Swap names for clock delegates so they are correct

Change-Id: Ic11affae802f0afe4746f65f0b96979a7c5a9c0a

3 files changed, 1444 insertions, 1444 deletions

diff --git a/core/java/android/widget/TimePicker.java b/core/java/android/widget/TimePicker.java
index 85cf67b..26e02f8 100644
--- a/core/java/android/widget/TimePicker.java
+++ b/core/java/android/widget/TimePicker.java
@@ -86,12 +86,12 @@ public class TimePicker extends FrameLayout {
 
         switch (mode) {
             case MODE_CLOCK:
-                mDelegate = new TimePickerSpinnerDelegate(
+                mDelegate = new TimePickerClockDelegate(
                         this, context, attrs, defStyleAttr, defStyleRes);
                 break;
             case MODE_SPINNER:
             default:
-                mDelegate = new TimePickerClockDelegate(
+                mDelegate = new TimePickerSpinnerDelegate(
                         this, context, attrs, defStyleAttr, defStyleRes);
                 break;
         }
diff --git a/core/java/android/widget/TimePickerClockDelegate.java b/core/java/android/widget/TimePickerClockDelegate.java
index 6dfea92..eca3048 100644
--- a/core/java/android/widget/TimePickerClockDelegate.java
+++ b/core/java/android/widget/TimePickerClockDelegate.java
@@ -17,365 +17,376 @@
 package android.widget;
 
 import android.content.Context;
+import android.content.res.ColorStateList;
 import android.content.res.Configuration;
+import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.text.TextUtils;
 import android.text.format.DateFormat;
 import android.text.format.DateUtils;
 import android.util.AttributeSet;
+import android.util.Log;
+import android.util.TypedValue;
+import android.view.HapticFeedbackConstants;
+import android.view.KeyCharacterMap;
+import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
-import android.view.inputmethod.EditorInfo;
-import android.view.inputmethod.InputMethodManager;
+
 import com.android.internal.R;
 
-import java.text.DateFormatSymbols;
+import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Locale;
 
-import libcore.icu.LocaleData;
-
-import static android.view.View.IMPORTANT_FOR_ACCESSIBILITY_AUTO;
-import static android.view.View.IMPORTANT_FOR_ACCESSIBILITY_YES;
-
 /**
- * A delegate implementing the basic spinner-based TimePicker.
+ * A delegate implementing the radial clock-based TimePicker.
  */
-class TimePickerClockDelegate extends TimePicker.AbstractTimePickerDelegate {
+class TimePickerClockDelegate extends TimePicker.AbstractTimePickerDelegate implements
+        RadialTimePickerView.OnValueSelectedListener {
+
+    private static final String TAG = "TimePickerClockDelegate";
+
+    // Index used by RadialPickerLayout
+    private static final int HOUR_INDEX = 0;
+    private static final int MINUTE_INDEX = 1;
+
+    // NOT a real index for the purpose of what's showing.
+    private static final int AMPM_INDEX = 2;
+
+    // Also NOT a real index, just used for keyboard mode.
+    private static final int ENABLE_PICKER_INDEX = 3;
+
+    static final int AM = 0;
+    static final int PM = 1;
+
     private static final boolean DEFAULT_ENABLED_STATE = true;
+    private boolean mIsEnabled = DEFAULT_ENABLED_STATE;
+
     private static final int HOURS_IN_HALF_DAY = 12;
 
-    // state
-    private boolean mIs24HourView;
-    private boolean mIsAm;
+    private final View mHeaderView;
+    private final TextView mHourView;
+    private final TextView mMinuteView;
+    private final View mAmPmLayout;
+    private final CheckedTextView mAmLabel;
+    private final CheckedTextView mPmLabel;
+    private final RadialTimePickerView mRadialTimePickerView;
+    private final TextView mSeparatorView;
 
-    // ui components
-    private final NumberPicker mHourSpinner;
-    private final NumberPicker mMinuteSpinner;
-    private final NumberPicker mAmPmSpinner;
-    private final EditText mHourSpinnerInput;
-    private final EditText mMinuteSpinnerInput;
-    private final EditText mAmPmSpinnerInput;
-    private final TextView mDivider;
+    private final String mAmText;
+    private final String mPmText;
 
-    // Note that the legacy implementation of the TimePicker is
-    // using a button for toggling between AM/PM while the new
-    // version uses a NumberPicker spinner. Therefore the code
-    // accommodates these two cases to be backwards compatible.
-    private final Button mAmPmButton;
+    private final float mDisabledAlpha;
 
-    private final String[] mAmPmStrings;
+    private boolean mAllowAutoAdvance;
+    private int mInitialHourOfDay;
+    private int mInitialMinute;
+    private boolean mIs24HourView;
+
+    // For hardware IME input.
+    private char mPlaceholderText;
+    private String mDoublePlaceholderText;
+    private String mDeletedKeyFormat;
+    private boolean mInKbMode;
+    private ArrayList<Integer> mTypedTimes = new ArrayList<Integer>();
+    private Node mLegalTimesTree;
+    private int mAmKeyCode;
+    private int mPmKeyCode;
+
+    // Accessibility strings.
+    private String mHourPickerDescription;
+    private String mSelectHours;
+    private String mMinutePickerDescription;
+    private String mSelectMinutes;
+
+    // Most recent time announcement values for accessibility.
+    private CharSequence mLastAnnouncedText;
+    private boolean mLastAnnouncedIsHour;
 
-    private boolean mIsEnabled = DEFAULT_ENABLED_STATE;
     private Calendar mTempCalendar;
-    private boolean mHourWithTwoDigit;
-    private char mHourFormat;
 
     public TimePickerClockDelegate(TimePicker delegator, Context context, AttributeSet attrs,
             int defStyleAttr, int defStyleRes) {
         super(delegator, context);
 
         // process style attributes
-        final TypedArray a = mContext.obtainStyledAttributes(
-                attrs, R.styleable.TimePicker, defStyleAttr, defStyleRes);
-        final int layoutResourceId = a.getResourceId(
-                R.styleable.TimePicker_legacyLayout, R.layout.time_picker_legacy);
-        a.recycle();
+        final TypedArray a = mContext.obtainStyledAttributes(attrs,
+                R.styleable.TimePicker, defStyleAttr, defStyleRes);
+        final LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
+                Context.LAYOUT_INFLATER_SERVICE);
+        final Resources res = mContext.getResources();
+
+        mHourPickerDescription = res.getString(R.string.hour_picker_description);
+        mSelectHours = res.getString(R.string.select_hours);
+        mMinutePickerDescription = res.getString(R.string.minute_picker_description);
+        mSelectMinutes = res.getString(R.string.select_minutes);
+
+        String[] amPmStrings = TimePickerSpinnerDelegate.getAmPmStrings(context);
+        mAmText = amPmStrings[0];
+        mPmText = amPmStrings[1];
+
+        final int layoutResourceId = a.getResourceId(R.styleable.TimePicker_internalLayout,
+                R.layout.time_picker_holo);
+        final View mainView = inflater.inflate(layoutResourceId, delegator);
+
+        mHeaderView = mainView.findViewById(R.id.time_header);
+        mHeaderView.setBackground(a.getDrawable(R.styleable.TimePicker_headerBackground));
+
+        // Set up hour/minute labels.
+        mHourView = (TextView) mHeaderView.findViewById(R.id.hours);
+        mHourView.setOnClickListener(mClickListener);
+        mSeparatorView = (TextView) mHeaderView.findViewById(R.id.separator);
+        mMinuteView = (TextView) mHeaderView.findViewById(R.id.minutes);
+        mMinuteView.setOnClickListener(mClickListener);
+
+        final int headerTimeTextAppearance = a.getResourceId(
+                R.styleable.TimePicker_headerTimeTextAppearance, 0);
+        if (headerTimeTextAppearance != 0) {
+            mHourView.setTextAppearance(context, headerTimeTextAppearance);
+            mSeparatorView.setTextAppearance(context, headerTimeTextAppearance);
+            mMinuteView.setTextAppearance(context, headerTimeTextAppearance);
+        }
 
-        final LayoutInflater inflater = LayoutInflater.from(mContext);
-        inflater.inflate(layoutResourceId, mDelegator, true);
-
-        // hour
-        mHourSpinner = (NumberPicker) delegator.findViewById(R.id.hour);
-        mHourSpinner.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
-            public void onValueChange(NumberPicker spinner, int oldVal, int newVal) {
-                updateInputState();
-                if (!is24HourView()) {
-                    if ((oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) ||
-                            (oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1)) {
-                        mIsAm = !mIsAm;
-                        updateAmPmControl();
-                    }
-                }
-                onTimeChanged();
-            }
-        });
-        mHourSpinnerInput = (EditText) mHourSpinner.findViewById(R.id.numberpicker_input);
-        mHourSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
-
-        // divider (only for the new widget style)
-        mDivider = (TextView) mDelegator.findViewById(R.id.divider);
-        if (mDivider != null) {
-            setDividerText();
-        }
-
-        // minute
-        mMinuteSpinner = (NumberPicker) mDelegator.findViewById(R.id.minute);
-        mMinuteSpinner.setMinValue(0);
-        mMinuteSpinner.setMaxValue(59);
-        mMinuteSpinner.setOnLongPressUpdateInterval(100);
-        mMinuteSpinner.setFormatter(NumberPicker.getTwoDigitFormatter());
-        mMinuteSpinner.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
-            public void onValueChange(NumberPicker spinner, int oldVal, int newVal) {
-                updateInputState();
-                int minValue = mMinuteSpinner.getMinValue();
-                int maxValue = mMinuteSpinner.getMaxValue();
-                if (oldVal == maxValue && newVal == minValue) {
-                    int newHour = mHourSpinner.getValue() + 1;
-                    if (!is24HourView() && newHour == HOURS_IN_HALF_DAY) {
-                        mIsAm = !mIsAm;
-                        updateAmPmControl();
-                    }
-                    mHourSpinner.setValue(newHour);
-                } else if (oldVal == minValue && newVal == maxValue) {
-                    int newHour = mHourSpinner.getValue() - 1;
-                    if (!is24HourView() && newHour == HOURS_IN_HALF_DAY - 1) {
-                        mIsAm = !mIsAm;
-                        updateAmPmControl();
-                    }
-                    mHourSpinner.setValue(newHour);
-                }
-                onTimeChanged();
-            }
-        });
-        mMinuteSpinnerInput = (EditText) mMinuteSpinner.findViewById(R.id.numberpicker_input);
-        mMinuteSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
-
-        // Get the localized am/pm strings and use them in the spinner.
-        mAmPmStrings = getAmPmStrings(context);
-
-        // am/pm
-        final View amPmView = mDelegator.findViewById(R.id.amPm);
-        if (amPmView instanceof Button) {
-            mAmPmSpinner = null;
-            mAmPmSpinnerInput = null;
-            mAmPmButton = (Button) amPmView;
-            mAmPmButton.setOnClickListener(new View.OnClickListener() {
-                public void onClick(View button) {
-                    button.requestFocus();
-                    mIsAm = !mIsAm;
-                    updateAmPmControl();
-                    onTimeChanged();
-                }
-            });
-        } else {
-            mAmPmButton = null;
-            mAmPmSpinner = (NumberPicker) amPmView;
-            mAmPmSpinner.setMinValue(0);
-            mAmPmSpinner.setMaxValue(1);
-            mAmPmSpinner.setDisplayedValues(mAmPmStrings);
-            mAmPmSpinner.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
-                public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
-                    updateInputState();
-                    picker.requestFocus();
-                    mIsAm = !mIsAm;
-                    updateAmPmControl();
-                    onTimeChanged();
-                }
-            });
-            mAmPmSpinnerInput = (EditText) mAmPmSpinner.findViewById(R.id.numberpicker_input);
-            mAmPmSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
-        }
-
-        if (isAmPmAtStart()) {
-            // Move the am/pm view to the beginning
-            ViewGroup amPmParent = (ViewGroup) delegator.findViewById(R.id.timePickerLayout);
-            amPmParent.removeView(amPmView);
-            amPmParent.addView(amPmView, 0);
-            // Swap layout margins if needed. They may be not symmetrical (Old Standard Theme
-            // for example and not for Holo Theme)
-            ViewGroup.MarginLayoutParams lp =
-                    (ViewGroup.MarginLayoutParams) amPmView.getLayoutParams();
-            final int startMargin = lp.getMarginStart();
-            final int endMargin = lp.getMarginEnd();
-            if (startMargin != endMargin) {
-                lp.setMarginStart(endMargin);
-                lp.setMarginEnd(startMargin);
-            }
+        // TODO: This can be removed once we support themed color state lists.
+        final int headerSelectedTextColor = a.getColor(
+                R.styleable.TimePicker_headerSelectedTextColor,
+                res.getColor(R.color.timepicker_default_selector_color_material));
+        mHourView.setTextColor(ColorStateList.addFirstIfMissing(mHourView.getTextColors(),
+                R.attr.state_selected, headerSelectedTextColor));
+        mMinuteView.setTextColor(ColorStateList.addFirstIfMissing(mMinuteView.getTextColors(),
+                R.attr.state_selected, headerSelectedTextColor));
+
+        // Set up AM/PM labels.
+        mAmPmLayout = mHeaderView.findViewById(R.id.ampm_layout);
+        mAmLabel = (CheckedTextView) mAmPmLayout.findViewById(R.id.am_label);
+        mAmLabel.setText(amPmStrings[0]);
+        mAmLabel.setOnClickListener(mClickListener);
+        mPmLabel = (CheckedTextView) mAmPmLayout.findViewById(R.id.pm_label);
+        mPmLabel.setText(amPmStrings[1]);
+        mPmLabel.setOnClickListener(mClickListener);
+
+        final int headerAmPmTextAppearance = a.getResourceId(
+                R.styleable.TimePicker_headerAmPmTextAppearance, 0);
+        if (headerAmPmTextAppearance != 0) {
+            mAmLabel.setTextAppearance(context, headerAmPmTextAppearance);
+            mPmLabel.setTextAppearance(context, headerAmPmTextAppearance);
         }
 
-        getHourFormatData();
+        a.recycle();
+
+        // Pull disabled alpha from theme.
+        final TypedValue outValue = new TypedValue();
+        context.getTheme().resolveAttribute(android.R.attr.disabledAlpha, outValue, true);
+        mDisabledAlpha = outValue.getFloat();
 
-        // update controls to initial state
-        updateHourControl();
-        updateMinuteControl();
-        updateAmPmControl();
+        mRadialTimePickerView = (RadialTimePickerView) mainView.findViewById(
+                R.id.radial_picker);
 
-        // set to current time
-        setCurrentHour(mTempCalendar.get(Calendar.HOUR_OF_DAY));
-        setCurrentMinute(mTempCalendar.get(Calendar.MINUTE));
+        setupListeners();
 
-        if (!isEnabled()) {
-            setEnabled(false);
-        }
+        mAllowAutoAdvance = true;
 
-        // set the content descriptions
-        setContentDescriptions();
+        // Set up for keyboard mode.
+        mDoublePlaceholderText = res.getString(R.string.time_placeholder);
+        mDeletedKeyFormat = res.getString(R.string.deleted_key);
+        mPlaceholderText = mDoublePlaceholderText.charAt(0);
+        mAmKeyCode = mPmKeyCode = -1;
+        generateLegalTimesTree();
 
-        // If not explicitly specified this view is important for accessibility.
-        if (mDelegator.getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
-            mDelegator.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES);
-        }
+        // Initialize with current time
+        final Calendar calendar = Calendar.getInstance(mCurrentLocale);
+        final int currentHour = calendar.get(Calendar.HOUR_OF_DAY);
+        final int currentMinute = calendar.get(Calendar.MINUTE);
+        initialize(currentHour, currentMinute, false /* 12h */, HOUR_INDEX);
     }
 
-    private void getHourFormatData() {
-        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
-                (mIs24HourView) ? "Hm" : "hm");
-        final int lengthPattern = bestDateTimePattern.length();
-        mHourWithTwoDigit = false;
-        char hourFormat = '\0';
-        // Check if the returned pattern is single or double 'H', 'h', 'K', 'k'. We also save
-        // the hour format that we found.
-        for (int i = 0; i < lengthPattern; i++) {
-            final char c = bestDateTimePattern.charAt(i);
-            if (c == 'H' || c == 'h' || c == 'K' || c == 'k') {
-                mHourFormat = c;
-                if (i + 1 < lengthPattern && c == bestDateTimePattern.charAt(i + 1)) {
-                    mHourWithTwoDigit = true;
-                }
-                break;
-            }
-        }
+    private void initialize(int hourOfDay, int minute, boolean is24HourView, int index) {
+        mInitialHourOfDay = hourOfDay;
+        mInitialMinute = minute;
+        mIs24HourView = is24HourView;
+        mInKbMode = false;
+        updateUI(index);
     }
 
-    private boolean isAmPmAtStart() {
-        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
-                "hm" /* skeleton */);
+    private void setupListeners() {
+        mHeaderView.setOnKeyListener(mKeyListener);
+        mHeaderView.setOnFocusChangeListener(mFocusListener);
+        mHeaderView.setFocusable(true);
 
-        return bestDateTimePattern.startsWith("a");
+        mRadialTimePickerView.setOnValueSelectedListener(this);
     }
 
-    /**
-     * The time separator is defined in the Unicode CLDR and cannot be supposed to be ":".
-     *
-     * See http://unicode.org/cldr/trac/browser/trunk/common/main
-     *
-     * We pass the correct "skeleton" depending on 12 or 24 hours view and then extract the
-     * separator as the character which is just after the hour marker in the returned pattern.
-     */
-    private void setDividerText() {
-        final String skeleton = (mIs24HourView) ? "Hm" : "hm";
-        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
-                skeleton);
-        final String separatorText;
-        int hourIndex = bestDateTimePattern.lastIndexOf('H');
-        if (hourIndex == -1) {
-            hourIndex = bestDateTimePattern.lastIndexOf('h');
+    private void updateUI(int index) {
+        // Update RadialPicker values
+        updateRadialPicker(index);
+        // Enable or disable the AM/PM view.
+        updateHeaderAmPm();
+        // Update Hour and Minutes
+        updateHeaderHour(mInitialHourOfDay, false);
+        // Update time separator
+        updateHeaderSeparator();
+        // Update Minutes
+        updateHeaderMinute(mInitialMinute, false);
+        // Invalidate everything
+        mDelegator.invalidate();
+    }
+
+    private void updateRadialPicker(int index) {
+        mRadialTimePickerView.initialize(mInitialHourOfDay, mInitialMinute, mIs24HourView);
+        setCurrentItemShowing(index, false, true);
+    }
+
+    private int computeMaxWidthOfNumbers(int max) {
+        TextView tempView = new TextView(mContext);
+        tempView.setTextAppearance(mContext, R.style.TextAppearance_Material_TimePicker_TimeLabel);
+        ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT);
+        tempView.setLayoutParams(lp);
+        int maxWidth = 0;
+        for (int minutes = 0; minutes < max; minutes++) {
+            final String text = String.format("%02d", minutes);
+            tempView.setText(text);
+            tempView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
+            maxWidth = Math.max(maxWidth, tempView.getMeasuredWidth());
         }
-        if (hourIndex == -1) {
-            // Default case
-            separatorText = ":";
+        return maxWidth;
+    }
+
+    private void updateHeaderAmPm() {
+        if (mIs24HourView) {
+            mAmPmLayout.setVisibility(View.GONE);
         } else {
-            int minuteIndex = bestDateTimePattern.indexOf('m', hourIndex + 1);
-            if  (minuteIndex == -1) {
-                separatorText = Character.toString(bestDateTimePattern.charAt(hourIndex + 1));
+            final String bestDateTimePattern = DateFormat.getBestDateTimePattern(
+                    mCurrentLocale, "hm");
+            boolean amPmOnLeft = bestDateTimePattern.startsWith("a");
+            if (TextUtils.getLayoutDirectionFromLocale(mCurrentLocale) ==
+                    View.LAYOUT_DIRECTION_RTL) {
+                amPmOnLeft = !amPmOnLeft;
+            }
+
+            final ViewGroup.MarginLayoutParams params =
+                    (ViewGroup.MarginLayoutParams) mAmPmLayout.getLayoutParams();
+
+            if (amPmOnLeft) {
+                params.leftMargin = 0;
+                params.rightMargin = computeMaxWidthOfNumbers(12 /* for hours */);
             } else {
-                separatorText = bestDateTimePattern.substring(hourIndex + 1, minuteIndex);
+                params.leftMargin = computeMaxWidthOfNumbers(60 /* for minutes */);
+                params.rightMargin = 0;
             }
+
+            mAmPmLayout.setLayoutParams(params);
+            mAmPmLayout.setVisibility(View.VISIBLE);
+
+            updateAmPmLabelStates(mInitialHourOfDay < 12 ? AM : PM);
         }
-        mDivider.setText(separatorText);
     }
 
+    /**
+     * Set the current hour.
+     */
     @Override
     public void setCurrentHour(Integer currentHour) {
-        setCurrentHour(currentHour, true);
-    }
-
-    private void setCurrentHour(Integer currentHour, boolean notifyTimeChanged) {
-        // why was Integer used in the first place?
-        if (currentHour == null || currentHour == getCurrentHour()) {
+        if (mInitialHourOfDay == currentHour) {
             return;
         }
-        if (!is24HourView()) {
-            // convert [0,23] ordinal to wall clock display
-            if (currentHour >= HOURS_IN_HALF_DAY) {
-                mIsAm = false;
-                if (currentHour > HOURS_IN_HALF_DAY) {
-                    currentHour = currentHour - HOURS_IN_HALF_DAY;
-                }
-            } else {
-                mIsAm = true;
-                if (currentHour == 0) {
-                    currentHour = HOURS_IN_HALF_DAY;
-                }
-            }
-            updateAmPmControl();
-        }
-        mHourSpinner.setValue(currentHour);
-        if (notifyTimeChanged) {
-            onTimeChanged();
-        }
+        mInitialHourOfDay = currentHour;
+        updateHeaderHour(currentHour, true);
+        updateHeaderAmPm();
+        mRadialTimePickerView.setCurrentHour(currentHour);
+        mRadialTimePickerView.setAmOrPm(mInitialHourOfDay < 12 ? AM : PM);
+        mDelegator.invalidate();
+        onTimeChanged();
     }
 
+    /**
+     * @return The current hour in the range (0-23).
+     */
     @Override
     public Integer getCurrentHour() {
-        int currentHour = mHourSpinner.getValue();
-        if (is24HourView()) {
+        int currentHour = mRadialTimePickerView.getCurrentHour();
+        if (mIs24HourView) {
             return currentHour;
-        } else if (mIsAm) {
-            return currentHour % HOURS_IN_HALF_DAY;
         } else {
-            return (currentHour % HOURS_IN_HALF_DAY) + HOURS_IN_HALF_DAY;
+            switch(mRadialTimePickerView.getAmOrPm()) {
+                case PM:
+                    return (currentHour % HOURS_IN_HALF_DAY) + HOURS_IN_HALF_DAY;
+                case AM:
+                default:
+                    return currentHour % HOURS_IN_HALF_DAY;
+            }
         }
     }
 
+    /**
+     * Set the current minute (0-59).
+     */
     @Override
     public void setCurrentMinute(Integer currentMinute) {
-        if (currentMinute == getCurrentMinute()) {
+        if (mInitialMinute == currentMinute) {
             return;
         }
-        mMinuteSpinner.setValue(currentMinute);
+        mInitialMinute = currentMinute;
+        updateHeaderMinute(currentMinute, true);
+        mRadialTimePickerView.setCurrentMinute(currentMinute);
+        mDelegator.invalidate();
         onTimeChanged();
     }
 
+    /**
+     * @return The current minute.
+     */
     @Override
     public Integer getCurrentMinute() {
-        return mMinuteSpinner.getValue();
+        return mRadialTimePickerView.getCurrentMinute();
     }
 
+    /**
+     * Set whether in 24 hour or AM/PM mode.
+     *
+     * @param is24HourView True = 24 hour mode. False = AM/PM.
+     */
     @Override
     public void setIs24HourView(Boolean is24HourView) {
-        if (mIs24HourView == is24HourView) {
+        if (is24HourView == mIs24HourView) {
             return;
         }
-        // cache the current hour since spinner range changes and BEFORE changing mIs24HourView!!
-        int currentHour = getCurrentHour();
-        // Order is important here.
         mIs24HourView = is24HourView;
-        getHourFormatData();
-        updateHourControl();
-        // set value after spinner range is updated
-        setCurrentHour(currentHour, false);
-        updateMinuteControl();
-        updateAmPmControl();
+        generateLegalTimesTree();
+        int hour = mRadialTimePickerView.getCurrentHour();
+        mInitialHourOfDay = hour;
+        updateHeaderHour(hour, false);
+        updateHeaderAmPm();
+        updateRadialPicker(mRadialTimePickerView.getCurrentItemShowing());
+        mDelegator.invalidate();
     }
 
+    /**
+     * @return true if this is in 24 hour view else false.
+     */
     @Override
     public boolean is24HourView() {
         return mIs24HourView;
     }
 
     @Override
-    public void setOnTimeChangedListener(TimePicker.OnTimeChangedListener onTimeChangedListener) {
-        mOnTimeChangedListener = onTimeChangedListener;
+    public void setOnTimeChangedListener(TimePicker.OnTimeChangedListener callback) {
+        mOnTimeChangedListener = callback;
     }
 
     @Override
     public void setEnabled(boolean enabled) {
-        mMinuteSpinner.setEnabled(enabled);
-        if (mDivider != null) {
-            mDivider.setEnabled(enabled);
-        }
-        mHourSpinner.setEnabled(enabled);
-        if (mAmPmSpinner != null) {
-            mAmPmSpinner.setEnabled(enabled);
-        } else {
-            mAmPmButton.setEnabled(enabled);
-        }
+        mHourView.setEnabled(enabled);
+        mMinuteView.setEnabled(enabled);
+        mAmLabel.setEnabled(enabled);
+        mPmLabel.setEnabled(enabled);
+        mRadialTimePickerView.setEnabled(enabled);
         mIsEnabled = enabled;
     }
 
@@ -386,24 +397,38 @@ class TimePickerClockDelegate extends TimePicker.AbstractTimePickerDelegate {
 
     @Override
     public int getBaseline() {
-        return mHourSpinner.getBaseline();
+        // does not support baseline alignment
+        return -1;
     }
 
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
-        setCurrentLocale(newConfig.locale);
+        updateUI(mRadialTimePickerView.getCurrentItemShowing());
     }
 
     @Override
     public Parcelable onSaveInstanceState(Parcelable superState) {
-        return new SavedState(superState, getCurrentHour(), getCurrentMinute());
+        return new SavedState(superState, getCurrentHour(), getCurrentMinute(),
+                is24HourView(), inKbMode(), getTypedTimes(), getCurrentItemShowing());
     }
 
     @Override
     public void onRestoreInstanceState(Parcelable state) {
         SavedState ss = (SavedState) state;
-        setCurrentHour(ss.getHour());
-        setCurrentMinute(ss.getMinute());
+        setInKbMode(ss.inKbMode());
+        setTypedTimes(ss.getTypesTimes());
+        initialize(ss.getHour(), ss.getMinute(), ss.is24HourMode(), ss.getCurrentItemShowing());
+        mRadialTimePickerView.invalidate();
+        if (mInKbMode) {
+            tryStartingKbMode(-1);
+            mHourView.invalidate();
+        }
+    }
+
+    @Override
+    public void setCurrentLocale(Locale locale) {
+        super.setCurrentLocale(locale);
+        mTempCalendar = Calendar.getInstance(locale);
     }
 
     @Override
@@ -422,9 +447,9 @@ class TimePickerClockDelegate extends TimePicker.AbstractTimePickerDelegate {
         }
         mTempCalendar.set(Calendar.HOUR_OF_DAY, getCurrentHour());
         mTempCalendar.set(Calendar.MINUTE, getCurrentMinute());
-        String selectedDateUtterance = DateUtils.formatDateTime(mContext,
+        String selectedDate = DateUtils.formatDateTime(mContext,
                 mTempCalendar.getTimeInMillis(), flags);
-        event.getText().add(selectedDateUtterance);
+        event.getText().add(selectedDate);
     }
 
     @Override
@@ -437,121 +462,48 @@ class TimePickerClockDelegate extends TimePicker.AbstractTimePickerDelegate {
         info.setClassName(TimePicker.class.getName());
     }
 
-    private void updateInputState() {
-        // Make sure that if the user changes the value and the IME is active
-        // for one of the inputs if this widget, the IME is closed. If the user
-        // changed the value via the IME and there is a next input the IME will
-        // be shown, otherwise the user chose another means of changing the
-        // value and having the IME up makes no sense.
-        InputMethodManager inputMethodManager = InputMethodManager.peekInstance();
-        if (inputMethodManager != null) {
-            if (inputMethodManager.isActive(mHourSpinnerInput)) {
-                mHourSpinnerInput.clearFocus();
-                inputMethodManager.hideSoftInputFromWindow(mDelegator.getWindowToken(), 0);
-            } else if (inputMethodManager.isActive(mMinuteSpinnerInput)) {
-                mMinuteSpinnerInput.clearFocus();
-                inputMethodManager.hideSoftInputFromWindow(mDelegator.getWindowToken(), 0);
-            } else if (inputMethodManager.isActive(mAmPmSpinnerInput)) {
-                mAmPmSpinnerInput.clearFocus();
-                inputMethodManager.hideSoftInputFromWindow(mDelegator.getWindowToken(), 0);
-            }
-        }
-    }
-
-    private void updateAmPmControl() {
-        if (is24HourView()) {
-            if (mAmPmSpinner != null) {
-                mAmPmSpinner.setVisibility(View.GONE);
-            } else {
-                mAmPmButton.setVisibility(View.GONE);
-            }
-        } else {
-            int index = mIsAm ? Calendar.AM : Calendar.PM;
-            if (mAmPmSpinner != null) {
-                mAmPmSpinner.setValue(index);
-                mAmPmSpinner.setVisibility(View.VISIBLE);
-            } else {
-                mAmPmButton.setText(mAmPmStrings[index]);
-                mAmPmButton.setVisibility(View.VISIBLE);
-            }
-        }
-        mDelegator.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
-    }
-
     /**
-     * Sets the current locale.
+     * Set whether in keyboard mode or not.
      *
-     * @param locale The current locale.
+     * @param inKbMode True means in keyboard mode.
      */
-    @Override
-    public void setCurrentLocale(Locale locale) {
-        super.setCurrentLocale(locale);
-        mTempCalendar = Calendar.getInstance(locale);
+    private void setInKbMode(boolean inKbMode) {
+        mInKbMode = inKbMode;
     }
 
-    private void onTimeChanged() {
-        mDelegator.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
-        if (mOnTimeChangedListener != null) {
-            mOnTimeChangedListener.onTimeChanged(mDelegator, getCurrentHour(),
-                    getCurrentMinute());
-        }
+    /**
+     * @return true if in keyboard mode
+     */
+    private boolean inKbMode() {
+        return mInKbMode;
     }
 
-    private void updateHourControl() {
-        if (is24HourView()) {
-            // 'k' means 1-24 hour
-            if (mHourFormat == 'k') {
-                mHourSpinner.setMinValue(1);
-                mHourSpinner.setMaxValue(24);
-            } else {
-                mHourSpinner.setMinValue(0);
-                mHourSpinner.setMaxValue(23);
-            }
-        } else {
-            // 'K' means 0-11 hour
-            if (mHourFormat == 'K') {
-                mHourSpinner.setMinValue(0);
-                mHourSpinner.setMaxValue(11);
-            } else {
-                mHourSpinner.setMinValue(1);
-                mHourSpinner.setMaxValue(12);
-            }
-        }
-        mHourSpinner.setFormatter(mHourWithTwoDigit ? NumberPicker.getTwoDigitFormatter() : null);
+    private void setTypedTimes(ArrayList<Integer> typeTimes) {
+        mTypedTimes = typeTimes;
     }
 
-    private void updateMinuteControl() {
-        if (is24HourView()) {
-            mMinuteSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
-        } else {
-            mMinuteSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
-        }
+    /**
+     * @return an array of typed times
+     */
+    private ArrayList<Integer> getTypedTimes() {
+        return mTypedTimes;
     }
 
-    private void setContentDescriptions() {
-        // Minute
-        trySetContentDescription(mMinuteSpinner, R.id.increment,
-                R.string.time_picker_increment_minute_button);
-        trySetContentDescription(mMinuteSpinner, R.id.decrement,
-                R.string.time_picker_decrement_minute_button);
-        // Hour
-        trySetContentDescription(mHourSpinner, R.id.increment,
-                R.string.time_picker_increment_hour_button);
-        trySetContentDescription(mHourSpinner, R.id.decrement,
-                R.string.time_picker_decrement_hour_button);
-        // AM/PM
-        if (mAmPmSpinner != null) {
-            trySetContentDescription(mAmPmSpinner, R.id.increment,
-                    R.string.time_picker_increment_set_pm_button);
-            trySetContentDescription(mAmPmSpinner, R.id.decrement,
-                    R.string.time_picker_decrement_set_am_button);
-        }
+    /**
+     * @return the index of the current item showing
+     */
+    private int getCurrentItemShowing() {
+        return mRadialTimePickerView.getCurrentItemShowing();
     }
 
-    private void trySetContentDescription(View root, int viewId, int contDescResId) {
-        View target = root.findViewById(viewId);
-        if (target != null) {
-            target.setContentDescription(mContext.getString(contDescResId));
+    /**
+     * Propagate the time change
+     */
+    private void onTimeChanged() {
+        mDelegator.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
+        if (mOnTimeChangedListener != null) {
+            mOnTimeChangedListener.onTimeChanged(mDelegator,
+                    getCurrentHour(), getCurrentMinute());
         }
     }
 
@@ -559,19 +511,34 @@ class TimePickerClockDelegate extends TimePicker.AbstractTimePickerDelegate {
      * Used to save / restore state of time picker
      */
     private static class SavedState extends View.BaseSavedState {
+
         private final int mHour;
         private final int mMinute;
-
-        private SavedState(Parcelable superState, int hour, int minute) {
+        private final boolean mIs24HourMode;
+        private final boolean mInKbMode;
+        private final ArrayList<Integer> mTypedTimes;
+        private final int mCurrentItemShowing;
+
+        private SavedState(Parcelable superState, int hour, int minute, boolean is24HourMode,
+                           boolean isKbMode, ArrayList<Integer> typedTimes,
+                           int currentItemShowing) {
             super(superState);
             mHour = hour;
             mMinute = minute;
+            mIs24HourMode = is24HourMode;
+            mInKbMode = isKbMode;
+            mTypedTimes = typedTimes;
+            mCurrentItemShowing = currentItemShowing;
         }
 
         private SavedState(Parcel in) {
             super(in);
             mHour = in.readInt();
             mMinute = in.readInt();
+            mIs24HourMode = (in.readInt() == 1);
+            mInKbMode = (in.readInt() == 1);
+            mTypedTimes = in.readArrayList(getClass().getClassLoader());
+            mCurrentItemShowing = in.readInt();
         }
 
         public int getHour() {
@@ -582,11 +549,31 @@ class TimePickerClockDelegate extends TimePicker.AbstractTimePickerDelegate {
             return mMinute;
         }
 
+        public boolean is24HourMode() {
+            return mIs24HourMode;
+        }
+
+        public boolean inKbMode() {
+            return mInKbMode;
+        }
+
+        public ArrayList<Integer> getTypesTimes() {
+            return mTypedTimes;
+        }
+
+        public int getCurrentItemShowing() {
+            return mCurrentItemShowing;
+        }
+
         @Override
         public void writeToParcel(Parcel dest, int flags) {
             super.writeToParcel(dest, flags);
             dest.writeInt(mHour);
             dest.writeInt(mMinute);
+            dest.writeInt(mIs24HourMode ? 1 : 0);
+            dest.writeInt(mInKbMode ? 1 : 0);
+            dest.writeList(mTypedTimes);
+            dest.writeInt(mCurrentItemShowing);
         }
 
         @SuppressWarnings({"unused", "hiding"})
@@ -601,11 +588,706 @@ class TimePickerClockDelegate extends TimePicker.AbstractTimePickerDelegate {
         };
     }
 
-    public static String[] getAmPmStrings(Context context) {
-        String[] result = new String[2];
-        LocaleData d = LocaleData.get(context.getResources().getConfiguration().locale);
-        result[0] = d.amPm[0].length() > 2 ? d.narrowAm : d.amPm[0];
-        result[1] = d.amPm[1].length() > 2 ? d.narrowPm : d.amPm[1];
-        return result;
+    private void tryVibrate() {
+        mDelegator.performHapticFeedback(HapticFeedbackConstants.CLOCK_TICK);
+    }
+
+    private void updateAmPmLabelStates(int amOrPm) {
+        final boolean isAm = amOrPm == AM;
+        mAmLabel.setChecked(isAm);
+        mAmLabel.setAlpha(isAm ? 1 : mDisabledAlpha);
+
+        final boolean isPm = amOrPm == PM;
+        mPmLabel.setChecked(isPm);
+        mPmLabel.setAlpha(isPm ? 1 : mDisabledAlpha);
+    }
+
+    /**
+     * Called by the picker for updating the header display.
+     */
+    @Override
+    public void onValueSelected(int pickerIndex, int newValue, boolean autoAdvance) {
+        if (pickerIndex == HOUR_INDEX) {
+            if (mAllowAutoAdvance && autoAdvance) {
+                updateHeaderHour(newValue, false);
+                setCurrentItemShowing(MINUTE_INDEX, true, false);
+                mRadialTimePickerView.announceForAccessibility(newValue + ". " + mSelectMinutes);
+            } else {
+                updateHeaderHour(newValue, true);
+                mRadialTimePickerView.setContentDescription(
+                        mHourPickerDescription + ": " + newValue);
+            }
+        } else if (pickerIndex == MINUTE_INDEX){
+            updateHeaderMinute(newValue, true);
+            mRadialTimePickerView.setContentDescription(mMinutePickerDescription + ": " + newValue);
+        } else if (pickerIndex == AMPM_INDEX) {
+            updateAmPmLabelStates(newValue);
+        } else if (pickerIndex == ENABLE_PICKER_INDEX) {
+            if (!isTypedTimeFullyLegal()) {
+                mTypedTimes.clear();
+            }
+            finishKbMode();
+        }
     }
+
+    private void updateHeaderHour(int value, boolean announce) {
+        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
+                (mIs24HourView) ? "Hm" : "hm");
+        final int lengthPattern = bestDateTimePattern.length();
+        boolean hourWithTwoDigit = false;
+        char hourFormat = '\0';
+        // Check if the returned pattern is single or double 'H', 'h', 'K', 'k'. We also save
+        // the hour format that we found.
+        for (int i = 0; i < lengthPattern; i++) {
+            final char c = bestDateTimePattern.charAt(i);
+            if (c == 'H' || c == 'h' || c == 'K' || c == 'k') {
+                hourFormat = c;
+                if (i + 1 < lengthPattern && c == bestDateTimePattern.charAt(i + 1)) {
+                    hourWithTwoDigit = true;
+                }
+                break;
+            }
+        }
+        final String format;
+        if (hourWithTwoDigit) {
+            format = "%02d";
+        } else {
+            format = "%d";
+        }
+        if (mIs24HourView) {
+            // 'k' means 1-24 hour
+            if (hourFormat == 'k' && value == 0) {
+                value = 24;
+            }
+        } else {
+            // 'K' means 0-11 hour
+            value = modulo12(value, hourFormat == 'K');
+        }
+        CharSequence text = String.format(format, value);
+        mHourView.setText(text);
+        if (announce) {
+            tryAnnounceForAccessibility(text, true);
+        }
+    }
+
+    private void tryAnnounceForAccessibility(CharSequence text, boolean isHour) {
+        if (mLastAnnouncedIsHour != isHour || !text.equals(mLastAnnouncedText)) {
+            // TODO: Find a better solution, potentially live regions?
+            mDelegator.announceForAccessibility(text);
+            mLastAnnouncedText = text;
+            mLastAnnouncedIsHour = isHour;
+        }
+    }
+
+    private static int modulo12(int n, boolean startWithZero) {
+        int value = n % 12;
+        if (value == 0 && !startWithZero) {
+            value = 12;
+        }
+        return value;
+    }
+
+    /**
+     * The time separator is defined in the Unicode CLDR and cannot be supposed to be ":".
+     *
+     * See http://unicode.org/cldr/trac/browser/trunk/common/main
+     *
+     * We pass the correct "skeleton" depending on 12 or 24 hours view and then extract the
+     * separator as the character which is just after the hour marker in the returned pattern.
+     */
+    private void updateHeaderSeparator() {
+        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
+                (mIs24HourView) ? "Hm" : "hm");
+        final String separatorText;
+        // See http://www.unicode.org/reports/tr35/tr35-dates.html for hour formats
+        final char[] hourFormats = {'H', 'h', 'K', 'k'};
+        int hIndex = lastIndexOfAny(bestDateTimePattern, hourFormats);
+        if (hIndex == -1) {
+            // Default case
+            separatorText = ":";
+        } else {
+            separatorText = Character.toString(bestDateTimePattern.charAt(hIndex + 1));
+        }
+        mSeparatorView.setText(separatorText);
+    }
+
+    static private int lastIndexOfAny(String str, char[] any) {
+        final int lengthAny = any.length;
+        if (lengthAny > 0) {
+            for (int i = str.length() - 1; i >= 0; i--) {
+                char c = str.charAt(i);
+                for (int j = 0; j < lengthAny; j++) {
+                    if (c == any[j]) {
+                        return i;
+                    }
+                }
+            }
+        }
+        return -1;
+    }
+
+    private void updateHeaderMinute(int value, boolean announceForAccessibility) {
+        if (value == 60) {
+            value = 0;
+        }
+        final CharSequence text = String.format(mCurrentLocale, "%02d", value);
+        mMinuteView.setText(text);
+        if (announceForAccessibility) {
+            tryAnnounceForAccessibility(text, false);
+        }
+    }
+
+    /**
+     * Show either Hours or Minutes.
+     */
+    private void setCurrentItemShowing(int index, boolean animateCircle, boolean announce) {
+        mRadialTimePickerView.setCurrentItemShowing(index, animateCircle);
+
+        if (index == HOUR_INDEX) {
+            int hours = mRadialTimePickerView.getCurrentHour();
+            if (!mIs24HourView) {
+                hours = hours % 12;
+            }
+            mRadialTimePickerView.setContentDescription(mHourPickerDescription + ": " + hours);
+            if (announce) {
+                mRadialTimePickerView.announceForAccessibility(mSelectHours);
+            }
+        } else {
+            int minutes = mRadialTimePickerView.getCurrentMinute();
+            mRadialTimePickerView.setContentDescription(mMinutePickerDescription + ": " + minutes);
+            if (announce) {
+                mRadialTimePickerView.announceForAccessibility(mSelectMinutes);
+            }
+        }
+
+        mHourView.setSelected(index == HOUR_INDEX);
+        mMinuteView.setSelected(index == MINUTE_INDEX);
+    }
+
+    private void setAmOrPm(int amOrPm) {
+        updateAmPmLabelStates(amOrPm);
+        mRadialTimePickerView.setAmOrPm(amOrPm);
+    }
+
+    /**
+     * For keyboard mode, processes key events.
+     *
+     * @param keyCode the pressed key.
+     *
+     * @return true if the key was successfully processed, false otherwise.
+     */
+    private boolean processKeyUp(int keyCode) {
+        if (keyCode == KeyEvent.KEYCODE_DEL) {
+            if (mInKbMode) {
+                if (!mTypedTimes.isEmpty()) {
+                    int deleted = deleteLastTypedKey();
+                    String deletedKeyStr;
+                    if (deleted == getAmOrPmKeyCode(AM)) {
+                        deletedKeyStr = mAmText;
+                    } else if (deleted == getAmOrPmKeyCode(PM)) {
+                        deletedKeyStr = mPmText;
+                    } else {
+                        deletedKeyStr = String.format("%d", getValFromKeyCode(deleted));
+                    }
+                    mRadialTimePickerView.announceForAccessibility(
+                            String.format(mDeletedKeyFormat, deletedKeyStr));
+                    updateDisplay(true);
+                }
+            }
+        } else if (keyCode == KeyEvent.KEYCODE_0 || keyCode == KeyEvent.KEYCODE_1
+                || keyCode == KeyEvent.KEYCODE_2 || keyCode == KeyEvent.KEYCODE_3
+                || keyCode == KeyEvent.KEYCODE_4 || keyCode == KeyEvent.KEYCODE_5
+                || keyCode == KeyEvent.KEYCODE_6 || keyCode == KeyEvent.KEYCODE_7
+                || keyCode == KeyEvent.KEYCODE_8 || keyCode == KeyEvent.KEYCODE_9
+                || (!mIs24HourView &&
+                (keyCode == getAmOrPmKeyCode(AM) || keyCode == getAmOrPmKeyCode(PM)))) {
+            if (!mInKbMode) {
+                if (mRadialTimePickerView == null) {
+                    // Something's wrong, because time picker should definitely not be null.
+                    Log.e(TAG, "Unable to initiate keyboard mode, TimePicker was null.");
+                    return true;
+                }
+                mTypedTimes.clear();
+                tryStartingKbMode(keyCode);
+                return true;
+            }
+            // We're already in keyboard mode.
+            if (addKeyIfLegal(keyCode)) {
+                updateDisplay(false);
+            }
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Try to start keyboard mode with the specified key.
+     *
+     * @param keyCode The key to use as the first press. Keyboard mode will not be started if the
+     * key is not legal to start with. Or, pass in -1 to get into keyboard mode without a starting
+     * key.
+     */
+    private void tryStartingKbMode(int keyCode) {
+        if (keyCode == -1 || addKeyIfLegal(keyCode)) {
+            mInKbMode = true;
+            onValidationChanged(false);
+            updateDisplay(false);
+            mRadialTimePickerView.setInputEnabled(false);
+        }
+    }
+
+    private boolean addKeyIfLegal(int keyCode) {
+        // If we're in 24hour mode, we'll need to check if the input is full. If in AM/PM mode,
+        // we'll need to see if AM/PM have been typed.
+        if ((mIs24HourView && mTypedTimes.size() == 4) ||
+                (!mIs24HourView && isTypedTimeFullyLegal())) {
+            return false;
+        }
+
+        mTypedTimes.add(keyCode);
+        if (!isTypedTimeLegalSoFar()) {
+            deleteLastTypedKey();
+            return false;
+        }
+
+        int val = getValFromKeyCode(keyCode);
+        mRadialTimePickerView.announceForAccessibility(String.format("%d", val));
+        // Automatically fill in 0's if AM or PM was legally entered.
+        if (isTypedTimeFullyLegal()) {
+            if (!mIs24HourView && mTypedTimes.size() <= 3) {
+                mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0);
+                mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0);
+            }
+            onValidationChanged(true);
+        }
+
+        return true;
+    }
+
+    /**
+     * Traverse the tree to see if the keys that have been typed so far are legal as is,
+     * or may become legal as more keys are typed (excluding backspace).
+     */
+    private boolean isTypedTimeLegalSoFar() {
+        Node node = mLegalTimesTree;
+        for (int keyCode : mTypedTimes) {
+            node = node.canReach(keyCode);
+            if (node == null) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Check if the time that has been typed so far is completely legal, as is.
+     */
+    private boolean isTypedTimeFullyLegal() {
+        if (mIs24HourView) {
+            // For 24-hour mode, the time is legal if the hours and minutes are each legal. Note:
+            // getEnteredTime() will ONLY call isTypedTimeFullyLegal() when NOT in 24hour mode.
+            int[] values = getEnteredTime(null);
+            return (values[0] >= 0 && values[1] >= 0 && values[1] < 60);
+        } else {
+            // For AM/PM mode, the time is legal if it contains an AM or PM, as those can only be
+            // legally added at specific times based on the tree's algorithm.
+            return (mTypedTimes.contains(getAmOrPmKeyCode(AM)) ||
+                    mTypedTimes.contains(getAmOrPmKeyCode(PM)));
+        }
+    }
+
+    private int deleteLastTypedKey() {
+        int deleted = mTypedTimes.remove(mTypedTimes.size() - 1);
+        if (!isTypedTimeFullyLegal()) {
+            onValidationChanged(false);
+        }
+        return deleted;
+    }
+
+    /**
+     * Get out of keyboard mode. If there is nothing in typedTimes, revert to TimePicker's time.
+     */
+    private void finishKbMode() {
+        mInKbMode = false;
+        if (!mTypedTimes.isEmpty()) {
+            int values[] = getEnteredTime(null);
+            mRadialTimePickerView.setCurrentHour(values[0]);
+            mRadialTimePickerView.setCurrentMinute(values[1]);
+            if (!mIs24HourView) {
+                mRadialTimePickerView.setAmOrPm(values[2]);
+            }
+            mTypedTimes.clear();
+        }
+        updateDisplay(false);
+        mRadialTimePickerView.setInputEnabled(true);
+    }
+
+    /**
+     * Update the hours, minutes, and AM/PM displays with the typed times. If the typedTimes is
+     * empty, either show an empty display (filled with the placeholder text), or update from the
+     * timepicker's values.
+     *
+     * @param allowEmptyDisplay if true, then if the typedTimes is empty, use the placeholder text.
+     * Otherwise, revert to the timepicker's values.
+     */
+    private void updateDisplay(boolean allowEmptyDisplay) {
+        if (!allowEmptyDisplay && mTypedTimes.isEmpty()) {
+            int hour = mRadialTimePickerView.getCurrentHour();
+            int minute = mRadialTimePickerView.getCurrentMinute();
+            updateHeaderHour(hour, false);
+            updateHeaderMinute(minute, false);
+            if (!mIs24HourView) {
+                updateAmPmLabelStates(hour < 12 ? AM : PM);
+            }
+            setCurrentItemShowing(mRadialTimePickerView.getCurrentItemShowing(), true, true);
+            onValidationChanged(true);
+        } else {
+            boolean[] enteredZeros = {false, false};
+            int[] values = getEnteredTime(enteredZeros);
+            String hourFormat = enteredZeros[0] ? "%02d" : "%2d";
+            String minuteFormat = (enteredZeros[1]) ? "%02d" : "%2d";
+            String hourStr = (values[0] == -1) ? mDoublePlaceholderText :
+                    String.format(hourFormat, values[0]).replace(' ', mPlaceholderText);
+            String minuteStr = (values[1] == -1) ? mDoublePlaceholderText :
+                    String.format(minuteFormat, values[1]).replace(' ', mPlaceholderText);
+            mHourView.setText(hourStr);
+            mHourView.setSelected(false);
+            mMinuteView.setText(minuteStr);
+            mMinuteView.setSelected(false);
+            if (!mIs24HourView) {
+                updateAmPmLabelStates(values[2]);
+            }
+        }
+    }
+
+    private int getValFromKeyCode(int keyCode) {
+        switch (keyCode) {
+            case KeyEvent.KEYCODE_0:
+                return 0;
+            case KeyEvent.KEYCODE_1:
+                return 1;
+            case KeyEvent.KEYCODE_2:
+                return 2;
+            case KeyEvent.KEYCODE_3:
+                return 3;
+            case KeyEvent.KEYCODE_4:
+                return 4;
+            case KeyEvent.KEYCODE_5:
+                return 5;
+            case KeyEvent.KEYCODE_6:
+                return 6;
+            case KeyEvent.KEYCODE_7:
+                return 7;
+            case KeyEvent.KEYCODE_8:
+                return 8;
+            case KeyEvent.KEYCODE_9:
+                return 9;
+            default:
+                return -1;
+        }
+    }
+
+    /**
+     * Get the currently-entered time, as integer values of the hours and minutes typed.
+     *
+     * @param enteredZeros A size-2 boolean array, which the caller should initialize, and which
+     * may then be used for the caller to know whether zeros had been explicitly entered as either
+     * hours of minutes. This is helpful for deciding whether to show the dashes, or actual 0's.
+     *
+     * @return A size-3 int array. The first value will be the hours, the second value will be the
+     * minutes, and the third will be either AM or PM.
+     */
+    private int[] getEnteredTime(boolean[] enteredZeros) {
+        int amOrPm = -1;
+        int startIndex = 1;
+        if (!mIs24HourView && isTypedTimeFullyLegal()) {
+            int keyCode = mTypedTimes.get(mTypedTimes.size() - 1);
+            if (keyCode == getAmOrPmKeyCode(AM)) {
+                amOrPm = AM;
+            } else if (keyCode == getAmOrPmKeyCode(PM)){
+                amOrPm = PM;
+            }
+            startIndex = 2;
+        }
+        int minute = -1;
+        int hour = -1;
+        for (int i = startIndex; i <= mTypedTimes.size(); i++) {
+            int val = getValFromKeyCode(mTypedTimes.get(mTypedTimes.size() - i));
+            if (i == startIndex) {
+                minute = val;
+            } else if (i == startIndex+1) {
+                minute += 10 * val;
+                if (enteredZeros != null && val == 0) {
+                    enteredZeros[1] = true;
+                }
+            } else if (i == startIndex+2) {
+                hour = val;
+            } else if (i == startIndex+3) {
+                hour += 10 * val;
+                if (enteredZeros != null && val == 0) {
+                    enteredZeros[0] = true;
+                }
+            }
+        }
+
+        return new int[] { hour, minute, amOrPm };
+    }
+
+    /**
+     * Get the keycode value for AM and PM in the current language.
+     */
+    private int getAmOrPmKeyCode(int amOrPm) {
+        // Cache the codes.
+        if (mAmKeyCode == -1 || mPmKeyCode == -1) {
+            // Find the first character in the AM/PM text that is unique.
+            KeyCharacterMap kcm = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
+            char amChar;
+            char pmChar;
+            for (int i = 0; i < Math.max(mAmText.length(), mPmText.length()); i++) {
+                amChar = mAmText.toLowerCase(mCurrentLocale).charAt(i);
+                pmChar = mPmText.toLowerCase(mCurrentLocale).charAt(i);
+                if (amChar != pmChar) {
+                    KeyEvent[] events = kcm.getEvents(new char[]{amChar, pmChar});
+                    // There should be 4 events: a down and up for both AM and PM.
+                    if (events != null && events.length == 4) {
+                        mAmKeyCode = events[0].getKeyCode();
+                        mPmKeyCode = events[2].getKeyCode();
+                    } else {
+                        Log.e(TAG, "Unable to find keycodes for AM and PM.");
+                    }
+                    break;
+                }
+            }
+        }
+        if (amOrPm == AM) {
+            return mAmKeyCode;
+        } else if (amOrPm == PM) {
+            return mPmKeyCode;
+        }
+
+        return -1;
+    }
+
+    /**
+     * Create a tree for deciding what keys can legally be typed.
+     */
+    private void generateLegalTimesTree() {
+        // Create a quick cache of numbers to their keycodes.
+        final int k0 = KeyEvent.KEYCODE_0;
+        final int k1 = KeyEvent.KEYCODE_1;
+        final int k2 = KeyEvent.KEYCODE_2;
+        final int k3 = KeyEvent.KEYCODE_3;
+        final int k4 = KeyEvent.KEYCODE_4;
+        final int k5 = KeyEvent.KEYCODE_5;
+        final int k6 = KeyEvent.KEYCODE_6;
+        final int k7 = KeyEvent.KEYCODE_7;
+        final int k8 = KeyEvent.KEYCODE_8;
+        final int k9 = KeyEvent.KEYCODE_9;
+
+        // The root of the tree doesn't contain any numbers.
+        mLegalTimesTree = new Node();
+        if (mIs24HourView) {
+            // We'll be re-using these nodes, so we'll save them.
+            Node minuteFirstDigit = new Node(k0, k1, k2, k3, k4, k5);
+            Node minuteSecondDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
+            // The first digit must be followed by the second digit.
+            minuteFirstDigit.addChild(minuteSecondDigit);
+
+            // The first digit may be 0-1.
+            Node firstDigit = new Node(k0, k1);
+            mLegalTimesTree.addChild(firstDigit);
+
+            // When the first digit is 0-1, the second digit may be 0-5.
+            Node secondDigit = new Node(k0, k1, k2, k3, k4, k5);
+            firstDigit.addChild(secondDigit);
+            // We may now be followed by the first minute digit. E.g. 00:09, 15:58.
+            secondDigit.addChild(minuteFirstDigit);
+
+            // When the first digit is 0-1, and the second digit is 0-5, the third digit may be 6-9.
+            Node thirdDigit = new Node(k6, k7, k8, k9);
+            // The time must now be finished. E.g. 0:55, 1:08.
+            secondDigit.addChild(thirdDigit);
+
+            // When the first digit is 0-1, the second digit may be 6-9.
+            secondDigit = new Node(k6, k7, k8, k9);
+            firstDigit.addChild(secondDigit);
+            // We must now be followed by the first minute digit. E.g. 06:50, 18:20.
+            secondDigit.addChild(minuteFirstDigit);
+
+            // The first digit may be 2.
+            firstDigit = new Node(k2);
+            mLegalTimesTree.addChild(firstDigit);
+
+            // When the first digit is 2, the second digit may be 0-3.
+            secondDigit = new Node(k0, k1, k2, k3);
+            firstDigit.addChild(secondDigit);
+            // We must now be followed by the first minute digit. E.g. 20:50, 23:09.
+            secondDigit.addChild(minuteFirstDigit);
+
+            // When the first digit is 2, the second digit may be 4-5.
+            secondDigit = new Node(k4, k5);
+            firstDigit.addChild(secondDigit);
+            // We must now be followd by the last minute digit. E.g. 2:40, 2:53.
+            secondDigit.addChild(minuteSecondDigit);
+
+            // The first digit may be 3-9.
+            firstDigit = new Node(k3, k4, k5, k6, k7, k8, k9);
+            mLegalTimesTree.addChild(firstDigit);
+            // We must now be followed by the first minute digit. E.g. 3:57, 8:12.
+            firstDigit.addChild(minuteFirstDigit);
+        } else {
+            // We'll need to use the AM/PM node a lot.
+            // Set up AM and PM to respond to "a" and "p".
+            Node ampm = new Node(getAmOrPmKeyCode(AM), getAmOrPmKeyCode(PM));
+
+            // The first hour digit may be 1.
+            Node firstDigit = new Node(k1);
+            mLegalTimesTree.addChild(firstDigit);
+            // We'll allow quick input of on-the-hour times. E.g. 1pm.
+            firstDigit.addChild(ampm);
+
+            // When the first digit is 1, the second digit may be 0-2.
+            Node secondDigit = new Node(k0, k1, k2);
+            firstDigit.addChild(secondDigit);
+            // Also for quick input of on-the-hour times. E.g. 10pm, 12am.
+            secondDigit.addChild(ampm);
+
+            // When the first digit is 1, and the second digit is 0-2, the third digit may be 0-5.
+            Node thirdDigit = new Node(k0, k1, k2, k3, k4, k5);
+            secondDigit.addChild(thirdDigit);
+            // The time may be finished now. E.g. 1:02pm, 1:25am.
+            thirdDigit.addChild(ampm);
+
+            // When the first digit is 1, the second digit is 0-2, and the third digit is 0-5,
+            // the fourth digit may be 0-9.
+            Node fourthDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
+            thirdDigit.addChild(fourthDigit);
+            // The time must be finished now. E.g. 10:49am, 12:40pm.
+            fourthDigit.addChild(ampm);
+
+            // When the first digit is 1, and the second digit is 0-2, the third digit may be 6-9.
+            thirdDigit = new Node(k6, k7, k8, k9);
+            secondDigit.addChild(thirdDigit);
+            // The time must be finished now. E.g. 1:08am, 1:26pm.
+            thirdDigit.addChild(ampm);
+
+            // When the first digit is 1, the second digit may be 3-5.
+            secondDigit = new Node(k3, k4, k5);
+            firstDigit.addChild(secondDigit);
+
+            // When the first digit is 1, and the second digit is 3-5, the third digit may be 0-9.
+            thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
+            secondDigit.addChild(thirdDigit);
+            // The time must be finished now. E.g. 1:39am, 1:50pm.
+            thirdDigit.addChild(ampm);
+
+            // The hour digit may be 2-9.
+            firstDigit = new Node(k2, k3, k4, k5, k6, k7, k8, k9);
+            mLegalTimesTree.addChild(firstDigit);
+            // We'll allow quick input of on-the-hour-times. E.g. 2am, 5pm.
+            firstDigit.addChild(ampm);
+
+            // When the first digit is 2-9, the second digit may be 0-5.
+            secondDigit = new Node(k0, k1, k2, k3, k4, k5);
+            firstDigit.addChild(secondDigit);
+
+            // When the first digit is 2-9, and the second digit is 0-5, the third digit may be 0-9.
+            thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
+            secondDigit.addChild(thirdDigit);
+            // The time must be finished now. E.g. 2:57am, 9:30pm.
+            thirdDigit.addChild(ampm);
+        }
+    }
+
+    /**
+     * Simple node class to be used for traversal to check for legal times.
+     * mLegalKeys represents the keys that can be typed to get to the node.
+     * mChildren are the children that can be reached from this node.
+     */
+    private class Node {
+        private int[] mLegalKeys;
+        private ArrayList<Node> mChildren;
+
+        public Node(int... legalKeys) {
+            mLegalKeys = legalKeys;
+            mChildren = new ArrayList<Node>();
+        }
+
+        public void addChild(Node child) {
+            mChildren.add(child);
+        }
+
+        public boolean containsKey(int key) {
+            for (int i = 0; i < mLegalKeys.length; i++) {
+                if (mLegalKeys[i] == key) {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public Node canReach(int key) {
+            if (mChildren == null) {
+                return null;
+            }
+            for (Node child : mChildren) {
+                if (child.containsKey(key)) {
+                    return child;
+                }
+            }
+            return null;
+        }
+    }
+
+    private final View.OnClickListener mClickListener = new View.OnClickListener() {
+        @Override
+        public void onClick(View v) {
+
+            final int amOrPm;
+            switch (v.getId()) {
+                case R.id.am_label:
+                    setAmOrPm(AM);
+                    break;
+                case R.id.pm_label:
+                    setAmOrPm(PM);
+                    break;
+                case R.id.hours:
+                    setCurrentItemShowing(HOUR_INDEX, true, true);
+                    break;
+                case R.id.minutes:
+                    setCurrentItemShowing(MINUTE_INDEX, true, true);
+                    break;
+                default:
+                    // Failed to handle this click, don't vibrate.
+                    return;
+            }
+
+            tryVibrate();
+        }
+    };
+
+    private final View.OnKeyListener mKeyListener = new View.OnKeyListener() {
+        @Override
+        public boolean onKey(View v, int keyCode, KeyEvent event) {
+            if (event.getAction() == KeyEvent.ACTION_UP) {
+                return processKeyUp(keyCode);
+            }
+            return false;
+        }
+    };
+
+    private final View.OnFocusChangeListener mFocusListener = new View.OnFocusChangeListener() {
+        @Override
+        public void onFocusChange(View v, boolean hasFocus) {
+            if (!hasFocus && mInKbMode && isTypedTimeFullyLegal()) {
+                finishKbMode();
+
+                if (mOnTimeChangedListener != null) {
+                    mOnTimeChangedListener.onTimeChanged(mDelegator,
+                            mRadialTimePickerView.getCurrentHour(),
+                            mRadialTimePickerView.getCurrentMinute());
+                }
+            }
+        }
+    };
 }
diff --git a/core/java/android/widget/TimePickerSpinnerDelegate.java b/core/java/android/widget/TimePickerSpinnerDelegate.java
index d9c4114..e162f4a 100644
--- a/core/java/android/widget/TimePickerSpinnerDelegate.java
+++ b/core/java/android/widget/TimePickerSpinnerDelegate.java
@@ -17,376 +17,365 @@
 package android.widget;
 
 import android.content.Context;
-import android.content.res.ColorStateList;
 import android.content.res.Configuration;
-import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.text.TextUtils;
 import android.text.format.DateFormat;
 import android.text.format.DateUtils;
 import android.util.AttributeSet;
-import android.util.Log;
-import android.util.TypedValue;
-import android.view.HapticFeedbackConstants;
-import android.view.KeyCharacterMap;
-import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
-
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputMethodManager;
 import com.android.internal.R;
 
-import java.util.ArrayList;
+import java.text.DateFormatSymbols;
 import java.util.Calendar;
 import java.util.Locale;
 
-/**
- * A delegate implementing the radial clock-based TimePicker.
- */
-class TimePickerSpinnerDelegate extends TimePicker.AbstractTimePickerDelegate implements
-        RadialTimePickerView.OnValueSelectedListener {
-
-    private static final String TAG = "TimePickerDelegate";
-
-    // Index used by RadialPickerLayout
-    private static final int HOUR_INDEX = 0;
-    private static final int MINUTE_INDEX = 1;
-
-    // NOT a real index for the purpose of what's showing.
-    private static final int AMPM_INDEX = 2;
+import libcore.icu.LocaleData;
 
-    // Also NOT a real index, just used for keyboard mode.
-    private static final int ENABLE_PICKER_INDEX = 3;
-
-    static final int AM = 0;
-    static final int PM = 1;
+import static android.view.View.IMPORTANT_FOR_ACCESSIBILITY_AUTO;
+import static android.view.View.IMPORTANT_FOR_ACCESSIBILITY_YES;
 
+/**
+ * A delegate implementing the basic spinner-based TimePicker.
+ */
+class TimePickerSpinnerDelegate extends TimePicker.AbstractTimePickerDelegate {
     private static final boolean DEFAULT_ENABLED_STATE = true;
-    private boolean mIsEnabled = DEFAULT_ENABLED_STATE;
-
     private static final int HOURS_IN_HALF_DAY = 12;
 
-    private final View mHeaderView;
-    private final TextView mHourView;
-    private final TextView mMinuteView;
-    private final View mAmPmLayout;
-    private final CheckedTextView mAmLabel;
-    private final CheckedTextView mPmLabel;
-    private final RadialTimePickerView mRadialTimePickerView;
-    private final TextView mSeparatorView;
-
-    private final String mAmText;
-    private final String mPmText;
+    // state
+    private boolean mIs24HourView;
+    private boolean mIsAm;
 
-    private final float mDisabledAlpha;
+    // ui components
+    private final NumberPicker mHourSpinner;
+    private final NumberPicker mMinuteSpinner;
+    private final NumberPicker mAmPmSpinner;
+    private final EditText mHourSpinnerInput;
+    private final EditText mMinuteSpinnerInput;
+    private final EditText mAmPmSpinnerInput;
+    private final TextView mDivider;
 
-    private boolean mAllowAutoAdvance;
-    private int mInitialHourOfDay;
-    private int mInitialMinute;
-    private boolean mIs24HourView;
+    // Note that the legacy implementation of the TimePicker is
+    // using a button for toggling between AM/PM while the new
+    // version uses a NumberPicker spinner. Therefore the code
+    // accommodates these two cases to be backwards compatible.
+    private final Button mAmPmButton;
 
-    // For hardware IME input.
-    private char mPlaceholderText;
-    private String mDoublePlaceholderText;
-    private String mDeletedKeyFormat;
-    private boolean mInKbMode;
-    private ArrayList<Integer> mTypedTimes = new ArrayList<Integer>();
-    private Node mLegalTimesTree;
-    private int mAmKeyCode;
-    private int mPmKeyCode;
-
-    // Accessibility strings.
-    private String mHourPickerDescription;
-    private String mSelectHours;
-    private String mMinutePickerDescription;
-    private String mSelectMinutes;
-
-    // Most recent time announcement values for accessibility.
-    private CharSequence mLastAnnouncedText;
-    private boolean mLastAnnouncedIsHour;
+    private final String[] mAmPmStrings;
 
+    private boolean mIsEnabled = DEFAULT_ENABLED_STATE;
     private Calendar mTempCalendar;
+    private boolean mHourWithTwoDigit;
+    private char mHourFormat;
 
     public TimePickerSpinnerDelegate(TimePicker delegator, Context context, AttributeSet attrs,
             int defStyleAttr, int defStyleRes) {
         super(delegator, context);
 
         // process style attributes
-        final TypedArray a = mContext.obtainStyledAttributes(attrs,
-                R.styleable.TimePicker, defStyleAttr, defStyleRes);
-        final LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
-                Context.LAYOUT_INFLATER_SERVICE);
-        final Resources res = mContext.getResources();
-
-        mHourPickerDescription = res.getString(R.string.hour_picker_description);
-        mSelectHours = res.getString(R.string.select_hours);
-        mMinutePickerDescription = res.getString(R.string.minute_picker_description);
-        mSelectMinutes = res.getString(R.string.select_minutes);
-
-        String[] amPmStrings = TimePickerClockDelegate.getAmPmStrings(context);
-        mAmText = amPmStrings[0];
-        mPmText = amPmStrings[1];
-
-        final int layoutResourceId = a.getResourceId(R.styleable.TimePicker_internalLayout,
-                R.layout.time_picker_holo);
-        final View mainView = inflater.inflate(layoutResourceId, delegator);
-
-        mHeaderView = mainView.findViewById(R.id.time_header);
-        mHeaderView.setBackground(a.getDrawable(R.styleable.TimePicker_headerBackground));
-
-        // Set up hour/minute labels.
-        mHourView = (TextView) mHeaderView.findViewById(R.id.hours);
-        mHourView.setOnClickListener(mClickListener);
-        mSeparatorView = (TextView) mHeaderView.findViewById(R.id.separator);
-        mMinuteView = (TextView) mHeaderView.findViewById(R.id.minutes);
-        mMinuteView.setOnClickListener(mClickListener);
-
-        final int headerTimeTextAppearance = a.getResourceId(
-                R.styleable.TimePicker_headerTimeTextAppearance, 0);
-        if (headerTimeTextAppearance != 0) {
-            mHourView.setTextAppearance(context, headerTimeTextAppearance);
-            mSeparatorView.setTextAppearance(context, headerTimeTextAppearance);
-            mMinuteView.setTextAppearance(context, headerTimeTextAppearance);
-        }
-
-        // TODO: This can be removed once we support themed color state lists.
-        final int headerSelectedTextColor = a.getColor(
-                R.styleable.TimePicker_headerSelectedTextColor,
-                res.getColor(R.color.timepicker_default_selector_color_material));
-        mHourView.setTextColor(ColorStateList.addFirstIfMissing(mHourView.getTextColors(),
-                R.attr.state_selected, headerSelectedTextColor));
-        mMinuteView.setTextColor(ColorStateList.addFirstIfMissing(mMinuteView.getTextColors(),
-                R.attr.state_selected, headerSelectedTextColor));
-
-        // Set up AM/PM labels.
-        mAmPmLayout = mHeaderView.findViewById(R.id.ampm_layout);
-        mAmLabel = (CheckedTextView) mAmPmLayout.findViewById(R.id.am_label);
-        mAmLabel.setText(amPmStrings[0]);
-        mAmLabel.setOnClickListener(mClickListener);
-        mPmLabel = (CheckedTextView) mAmPmLayout.findViewById(R.id.pm_label);
-        mPmLabel.setText(amPmStrings[1]);
-        mPmLabel.setOnClickListener(mClickListener);
-
-        final int headerAmPmTextAppearance = a.getResourceId(
-                R.styleable.TimePicker_headerAmPmTextAppearance, 0);
-        if (headerAmPmTextAppearance != 0) {
-            mAmLabel.setTextAppearance(context, headerAmPmTextAppearance);
-            mPmLabel.setTextAppearance(context, headerAmPmTextAppearance);
-        }
-
+        final TypedArray a = mContext.obtainStyledAttributes(
+                attrs, R.styleable.TimePicker, defStyleAttr, defStyleRes);
+        final int layoutResourceId = a.getResourceId(
+                R.styleable.TimePicker_legacyLayout, R.layout.time_picker_legacy);
         a.recycle();
 
-        // Pull disabled alpha from theme.
-        final TypedValue outValue = new TypedValue();
-        context.getTheme().resolveAttribute(android.R.attr.disabledAlpha, outValue, true);
-        mDisabledAlpha = outValue.getFloat();
+        final LayoutInflater inflater = LayoutInflater.from(mContext);
+        inflater.inflate(layoutResourceId, mDelegator, true);
+
+        // hour
+        mHourSpinner = (NumberPicker) delegator.findViewById(R.id.hour);
+        mHourSpinner.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
+            public void onValueChange(NumberPicker spinner, int oldVal, int newVal) {
+                updateInputState();
+                if (!is24HourView()) {
+                    if ((oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) ||
+                            (oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1)) {
+                        mIsAm = !mIsAm;
+                        updateAmPmControl();
+                    }
+                }
+                onTimeChanged();
+            }
+        });
+        mHourSpinnerInput = (EditText) mHourSpinner.findViewById(R.id.numberpicker_input);
+        mHourSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
+
+        // divider (only for the new widget style)
+        mDivider = (TextView) mDelegator.findViewById(R.id.divider);
+        if (mDivider != null) {
+            setDividerText();
+        }
+
+        // minute
+        mMinuteSpinner = (NumberPicker) mDelegator.findViewById(R.id.minute);
+        mMinuteSpinner.setMinValue(0);
+        mMinuteSpinner.setMaxValue(59);
+        mMinuteSpinner.setOnLongPressUpdateInterval(100);
+        mMinuteSpinner.setFormatter(NumberPicker.getTwoDigitFormatter());
+        mMinuteSpinner.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
+            public void onValueChange(NumberPicker spinner, int oldVal, int newVal) {
+                updateInputState();
+                int minValue = mMinuteSpinner.getMinValue();
+                int maxValue = mMinuteSpinner.getMaxValue();
+                if (oldVal == maxValue && newVal == minValue) {
+                    int newHour = mHourSpinner.getValue() + 1;
+                    if (!is24HourView() && newHour == HOURS_IN_HALF_DAY) {
+                        mIsAm = !mIsAm;
+                        updateAmPmControl();
+                    }
+                    mHourSpinner.setValue(newHour);
+                } else if (oldVal == minValue && newVal == maxValue) {
+                    int newHour = mHourSpinner.getValue() - 1;
+                    if (!is24HourView() && newHour == HOURS_IN_HALF_DAY - 1) {
+                        mIsAm = !mIsAm;
+                        updateAmPmControl();
+                    }
+                    mHourSpinner.setValue(newHour);
+                }
+                onTimeChanged();
+            }
+        });
+        mMinuteSpinnerInput = (EditText) mMinuteSpinner.findViewById(R.id.numberpicker_input);
+        mMinuteSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
+
+        // Get the localized am/pm strings and use them in the spinner.
+        mAmPmStrings = getAmPmStrings(context);
+
+        // am/pm
+        final View amPmView = mDelegator.findViewById(R.id.amPm);
+        if (amPmView instanceof Button) {
+            mAmPmSpinner = null;
+            mAmPmSpinnerInput = null;
+            mAmPmButton = (Button) amPmView;
+            mAmPmButton.setOnClickListener(new View.OnClickListener() {
+                public void onClick(View button) {
+                    button.requestFocus();
+                    mIsAm = !mIsAm;
+                    updateAmPmControl();
+                    onTimeChanged();
+                }
+            });
+        } else {
+            mAmPmButton = null;
+            mAmPmSpinner = (NumberPicker) amPmView;
+            mAmPmSpinner.setMinValue(0);
+            mAmPmSpinner.setMaxValue(1);
+            mAmPmSpinner.setDisplayedValues(mAmPmStrings);
+            mAmPmSpinner.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
+                public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+                    updateInputState();
+                    picker.requestFocus();
+                    mIsAm = !mIsAm;
+                    updateAmPmControl();
+                    onTimeChanged();
+                }
+            });
+            mAmPmSpinnerInput = (EditText) mAmPmSpinner.findViewById(R.id.numberpicker_input);
+            mAmPmSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
+        }
+
+        if (isAmPmAtStart()) {
+            // Move the am/pm view to the beginning
+            ViewGroup amPmParent = (ViewGroup) delegator.findViewById(R.id.timePickerLayout);
+            amPmParent.removeView(amPmView);
+            amPmParent.addView(amPmView, 0);
+            // Swap layout margins if needed. They may be not symmetrical (Old Standard Theme
+            // for example and not for Holo Theme)
+            ViewGroup.MarginLayoutParams lp =
+                    (ViewGroup.MarginLayoutParams) amPmView.getLayoutParams();
+            final int startMargin = lp.getMarginStart();
+            final int endMargin = lp.getMarginEnd();
+            if (startMargin != endMargin) {
+                lp.setMarginStart(endMargin);
+                lp.setMarginEnd(startMargin);
+            }
+        }
 
-        mRadialTimePickerView = (RadialTimePickerView) mainView.findViewById(
-                R.id.radial_picker);
+        getHourFormatData();
 
-        setupListeners();
+        // update controls to initial state
+        updateHourControl();
+        updateMinuteControl();
+        updateAmPmControl();
 
-        mAllowAutoAdvance = true;
+        // set to current time
+        setCurrentHour(mTempCalendar.get(Calendar.HOUR_OF_DAY));
+        setCurrentMinute(mTempCalendar.get(Calendar.MINUTE));
 
-        // Set up for keyboard mode.
-        mDoublePlaceholderText = res.getString(R.string.time_placeholder);
-        mDeletedKeyFormat = res.getString(R.string.deleted_key);
-        mPlaceholderText = mDoublePlaceholderText.charAt(0);
-        mAmKeyCode = mPmKeyCode = -1;
-        generateLegalTimesTree();
+        if (!isEnabled()) {
+            setEnabled(false);
+        }
 
-        // Initialize with current time
-        final Calendar calendar = Calendar.getInstance(mCurrentLocale);
-        final int currentHour = calendar.get(Calendar.HOUR_OF_DAY);
-        final int currentMinute = calendar.get(Calendar.MINUTE);
-        initialize(currentHour, currentMinute, false /* 12h */, HOUR_INDEX);
-    }
+        // set the content descriptions
+        setContentDescriptions();
 
-    private void initialize(int hourOfDay, int minute, boolean is24HourView, int index) {
-        mInitialHourOfDay = hourOfDay;
-        mInitialMinute = minute;
-        mIs24HourView = is24HourView;
-        mInKbMode = false;
-        updateUI(index);
+        // If not explicitly specified this view is important for accessibility.
+        if (mDelegator.getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
+            mDelegator.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES);
+        }
     }
 
-    private void setupListeners() {
-        mHeaderView.setOnKeyListener(mKeyListener);
-        mHeaderView.setOnFocusChangeListener(mFocusListener);
-        mHeaderView.setFocusable(true);
-
-        mRadialTimePickerView.setOnValueSelectedListener(this);
+    private void getHourFormatData() {
+        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
+                (mIs24HourView) ? "Hm" : "hm");
+        final int lengthPattern = bestDateTimePattern.length();
+        mHourWithTwoDigit = false;
+        char hourFormat = '\0';
+        // Check if the returned pattern is single or double 'H', 'h', 'K', 'k'. We also save
+        // the hour format that we found.
+        for (int i = 0; i < lengthPattern; i++) {
+            final char c = bestDateTimePattern.charAt(i);
+            if (c == 'H' || c == 'h' || c == 'K' || c == 'k') {
+                mHourFormat = c;
+                if (i + 1 < lengthPattern && c == bestDateTimePattern.charAt(i + 1)) {
+                    mHourWithTwoDigit = true;
+                }
+                break;
+            }
+        }
     }
 
-    private void updateUI(int index) {
-        // Update RadialPicker values
-        updateRadialPicker(index);
-        // Enable or disable the AM/PM view.
-        updateHeaderAmPm();
-        // Update Hour and Minutes
-        updateHeaderHour(mInitialHourOfDay, false);
-        // Update time separator
-        updateHeaderSeparator();
-        // Update Minutes
-        updateHeaderMinute(mInitialMinute, false);
-        // Invalidate everything
-        mDelegator.invalidate();
-    }
+    private boolean isAmPmAtStart() {
+        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
+                "hm" /* skeleton */);
 
-    private void updateRadialPicker(int index) {
-        mRadialTimePickerView.initialize(mInitialHourOfDay, mInitialMinute, mIs24HourView);
-        setCurrentItemShowing(index, false, true);
+        return bestDateTimePattern.startsWith("a");
     }
 
-    private int computeMaxWidthOfNumbers(int max) {
-        TextView tempView = new TextView(mContext);
-        tempView.setTextAppearance(mContext, R.style.TextAppearance_Material_TimePicker_TimeLabel);
-        ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
-                ViewGroup.LayoutParams.WRAP_CONTENT);
-        tempView.setLayoutParams(lp);
-        int maxWidth = 0;
-        for (int minutes = 0; minutes < max; minutes++) {
-            final String text = String.format("%02d", minutes);
-            tempView.setText(text);
-            tempView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
-            maxWidth = Math.max(maxWidth, tempView.getMeasuredWidth());
+    /**
+     * The time separator is defined in the Unicode CLDR and cannot be supposed to be ":".
+     *
+     * See http://unicode.org/cldr/trac/browser/trunk/common/main
+     *
+     * We pass the correct "skeleton" depending on 12 or 24 hours view and then extract the
+     * separator as the character which is just after the hour marker in the returned pattern.
+     */
+    private void setDividerText() {
+        final String skeleton = (mIs24HourView) ? "Hm" : "hm";
+        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
+                skeleton);
+        final String separatorText;
+        int hourIndex = bestDateTimePattern.lastIndexOf('H');
+        if (hourIndex == -1) {
+            hourIndex = bestDateTimePattern.lastIndexOf('h');
         }
-        return maxWidth;
-    }
-
-    private void updateHeaderAmPm() {
-        if (mIs24HourView) {
-            mAmPmLayout.setVisibility(View.GONE);
+        if (hourIndex == -1) {
+            // Default case
+            separatorText = ":";
         } else {
-            final String bestDateTimePattern = DateFormat.getBestDateTimePattern(
-                    mCurrentLocale, "hm");
-            boolean amPmOnLeft = bestDateTimePattern.startsWith("a");
-            if (TextUtils.getLayoutDirectionFromLocale(mCurrentLocale) ==
-                    View.LAYOUT_DIRECTION_RTL) {
-                amPmOnLeft = !amPmOnLeft;
-            }
-
-            final ViewGroup.MarginLayoutParams params =
-                    (ViewGroup.MarginLayoutParams) mAmPmLayout.getLayoutParams();
-
-            if (amPmOnLeft) {
-                params.leftMargin = 0;
-                params.rightMargin = computeMaxWidthOfNumbers(12 /* for hours */);
+            int minuteIndex = bestDateTimePattern.indexOf('m', hourIndex + 1);
+            if  (minuteIndex == -1) {
+                separatorText = Character.toString(bestDateTimePattern.charAt(hourIndex + 1));
             } else {
-                params.leftMargin = computeMaxWidthOfNumbers(60 /* for minutes */);
-                params.rightMargin = 0;
+                separatorText = bestDateTimePattern.substring(hourIndex + 1, minuteIndex);
             }
-
-            mAmPmLayout.setLayoutParams(params);
-            mAmPmLayout.setVisibility(View.VISIBLE);
-
-            updateAmPmLabelStates(mInitialHourOfDay < 12 ? AM : PM);
         }
+        mDivider.setText(separatorText);
     }
 
-    /**
-     * Set the current hour.
-     */
     @Override
     public void setCurrentHour(Integer currentHour) {
-        if (mInitialHourOfDay == currentHour) {
+        setCurrentHour(currentHour, true);
+    }
+
+    private void setCurrentHour(Integer currentHour, boolean notifyTimeChanged) {
+        // why was Integer used in the first place?
+        if (currentHour == null || currentHour == getCurrentHour()) {
             return;
         }
-        mInitialHourOfDay = currentHour;
-        updateHeaderHour(currentHour, true);
-        updateHeaderAmPm();
-        mRadialTimePickerView.setCurrentHour(currentHour);
-        mRadialTimePickerView.setAmOrPm(mInitialHourOfDay < 12 ? AM : PM);
-        mDelegator.invalidate();
-        onTimeChanged();
+        if (!is24HourView()) {
+            // convert [0,23] ordinal to wall clock display
+            if (currentHour >= HOURS_IN_HALF_DAY) {
+                mIsAm = false;
+                if (currentHour > HOURS_IN_HALF_DAY) {
+                    currentHour = currentHour - HOURS_IN_HALF_DAY;
+                }
+            } else {
+                mIsAm = true;
+                if (currentHour == 0) {
+                    currentHour = HOURS_IN_HALF_DAY;
+                }
+            }
+            updateAmPmControl();
+        }
+        mHourSpinner.setValue(currentHour);
+        if (notifyTimeChanged) {
+            onTimeChanged();
+        }
     }
 
-    /**
-     * @return The current hour in the range (0-23).
-     */
     @Override
     public Integer getCurrentHour() {
-        int currentHour = mRadialTimePickerView.getCurrentHour();
-        if (mIs24HourView) {
+        int currentHour = mHourSpinner.getValue();
+        if (is24HourView()) {
             return currentHour;
+        } else if (mIsAm) {
+            return currentHour % HOURS_IN_HALF_DAY;
         } else {
-            switch(mRadialTimePickerView.getAmOrPm()) {
-                case PM:
-                    return (currentHour % HOURS_IN_HALF_DAY) + HOURS_IN_HALF_DAY;
-                case AM:
-                default:
-                    return currentHour % HOURS_IN_HALF_DAY;
-            }
+            return (currentHour % HOURS_IN_HALF_DAY) + HOURS_IN_HALF_DAY;
         }
     }
 
-    /**
-     * Set the current minute (0-59).
-     */
     @Override
     public void setCurrentMinute(Integer currentMinute) {
-        if (mInitialMinute == currentMinute) {
+        if (currentMinute == getCurrentMinute()) {
             return;
         }
-        mInitialMinute = currentMinute;
-        updateHeaderMinute(currentMinute, true);
-        mRadialTimePickerView.setCurrentMinute(currentMinute);
-        mDelegator.invalidate();
+        mMinuteSpinner.setValue(currentMinute);
         onTimeChanged();
     }
 
-    /**
-     * @return The current minute.
-     */
     @Override
     public Integer getCurrentMinute() {
-        return mRadialTimePickerView.getCurrentMinute();
+        return mMinuteSpinner.getValue();
     }
 
-    /**
-     * Set whether in 24 hour or AM/PM mode.
-     *
-     * @param is24HourView True = 24 hour mode. False = AM/PM.
-     */
     @Override
     public void setIs24HourView(Boolean is24HourView) {
-        if (is24HourView == mIs24HourView) {
+        if (mIs24HourView == is24HourView) {
             return;
         }
+        // cache the current hour since spinner range changes and BEFORE changing mIs24HourView!!
+        int currentHour = getCurrentHour();
+        // Order is important here.
         mIs24HourView = is24HourView;
-        generateLegalTimesTree();
-        int hour = mRadialTimePickerView.getCurrentHour();
-        mInitialHourOfDay = hour;
-        updateHeaderHour(hour, false);
-        updateHeaderAmPm();
-        updateRadialPicker(mRadialTimePickerView.getCurrentItemShowing());
-        mDelegator.invalidate();
+        getHourFormatData();
+        updateHourControl();
+        // set value after spinner range is updated
+        setCurrentHour(currentHour, false);
+        updateMinuteControl();
+        updateAmPmControl();
     }
 
-    /**
-     * @return true if this is in 24 hour view else false.
-     */
     @Override
     public boolean is24HourView() {
         return mIs24HourView;
     }
 
     @Override
-    public void setOnTimeChangedListener(TimePicker.OnTimeChangedListener callback) {
-        mOnTimeChangedListener = callback;
+    public void setOnTimeChangedListener(TimePicker.OnTimeChangedListener onTimeChangedListener) {
+        mOnTimeChangedListener = onTimeChangedListener;
     }
 
     @Override
     public void setEnabled(boolean enabled) {
-        mHourView.setEnabled(enabled);
-        mMinuteView.setEnabled(enabled);
-        mAmLabel.setEnabled(enabled);
-        mPmLabel.setEnabled(enabled);
-        mRadialTimePickerView.setEnabled(enabled);
+        mMinuteSpinner.setEnabled(enabled);
+        if (mDivider != null) {
+            mDivider.setEnabled(enabled);
+        }
+        mHourSpinner.setEnabled(enabled);
+        if (mAmPmSpinner != null) {
+            mAmPmSpinner.setEnabled(enabled);
+        } else {
+            mAmPmButton.setEnabled(enabled);
+        }
         mIsEnabled = enabled;
     }
 
@@ -397,38 +386,24 @@ class TimePickerSpinnerDelegate extends TimePicker.AbstractTimePickerDelegate im
 
     @Override
     public int getBaseline() {
-        // does not support baseline alignment
-        return -1;
+        return mHourSpinner.getBaseline();
     }
 
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
-        updateUI(mRadialTimePickerView.getCurrentItemShowing());
+        setCurrentLocale(newConfig.locale);
     }
 
     @Override
     public Parcelable onSaveInstanceState(Parcelable superState) {
-        return new SavedState(superState, getCurrentHour(), getCurrentMinute(),
-                is24HourView(), inKbMode(), getTypedTimes(), getCurrentItemShowing());
+        return new SavedState(superState, getCurrentHour(), getCurrentMinute());
     }
 
     @Override
     public void onRestoreInstanceState(Parcelable state) {
         SavedState ss = (SavedState) state;
-        setInKbMode(ss.inKbMode());
-        setTypedTimes(ss.getTypesTimes());
-        initialize(ss.getHour(), ss.getMinute(), ss.is24HourMode(), ss.getCurrentItemShowing());
-        mRadialTimePickerView.invalidate();
-        if (mInKbMode) {
-            tryStartingKbMode(-1);
-            mHourView.invalidate();
-        }
-    }
-
-    @Override
-    public void setCurrentLocale(Locale locale) {
-        super.setCurrentLocale(locale);
-        mTempCalendar = Calendar.getInstance(locale);
+        setCurrentHour(ss.getHour());
+        setCurrentMinute(ss.getMinute());
     }
 
     @Override
@@ -447,9 +422,9 @@ class TimePickerSpinnerDelegate extends TimePicker.AbstractTimePickerDelegate im
         }
         mTempCalendar.set(Calendar.HOUR_OF_DAY, getCurrentHour());
         mTempCalendar.set(Calendar.MINUTE, getCurrentMinute());
-        String selectedDate = DateUtils.formatDateTime(mContext,
+        String selectedDateUtterance = DateUtils.formatDateTime(mContext,
                 mTempCalendar.getTimeInMillis(), flags);
-        event.getText().add(selectedDate);
+        event.getText().add(selectedDateUtterance);
     }
 
     @Override
@@ -462,48 +437,121 @@ class TimePickerSpinnerDelegate extends TimePicker.AbstractTimePickerDelegate im
         info.setClassName(TimePicker.class.getName());
     }
 
+    private void updateInputState() {
+        // Make sure that if the user changes the value and the IME is active
+        // for one of the inputs if this widget, the IME is closed. If the user
+        // changed the value via the IME and there is a next input the IME will
+        // be shown, otherwise the user chose another means of changing the
+        // value and having the IME up makes no sense.
+        InputMethodManager inputMethodManager = InputMethodManager.peekInstance();
+        if (inputMethodManager != null) {
+            if (inputMethodManager.isActive(mHourSpinnerInput)) {
+                mHourSpinnerInput.clearFocus();
+                inputMethodManager.hideSoftInputFromWindow(mDelegator.getWindowToken(), 0);
+            } else if (inputMethodManager.isActive(mMinuteSpinnerInput)) {
+                mMinuteSpinnerInput.clearFocus();
+                inputMethodManager.hideSoftInputFromWindow(mDelegator.getWindowToken(), 0);
+            } else if (inputMethodManager.isActive(mAmPmSpinnerInput)) {
+                mAmPmSpinnerInput.clearFocus();
+                inputMethodManager.hideSoftInputFromWindow(mDelegator.getWindowToken(), 0);
+            }
+        }
+    }
+
+    private void updateAmPmControl() {
+        if (is24HourView()) {
+            if (mAmPmSpinner != null) {
+                mAmPmSpinner.setVisibility(View.GONE);
+            } else {
+                mAmPmButton.setVisibility(View.GONE);
+            }
+        } else {
+            int index = mIsAm ? Calendar.AM : Calendar.PM;
+            if (mAmPmSpinner != null) {
+                mAmPmSpinner.setValue(index);
+                mAmPmSpinner.setVisibility(View.VISIBLE);
+            } else {
+                mAmPmButton.setText(mAmPmStrings[index]);
+                mAmPmButton.setVisibility(View.VISIBLE);
+            }
+        }
+        mDelegator.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
+    }
+
     /**
-     * Set whether in keyboard mode or not.
+     * Sets the current locale.
      *
-     * @param inKbMode True means in keyboard mode.
+     * @param locale The current locale.
      */
-    private void setInKbMode(boolean inKbMode) {
-        mInKbMode = inKbMode;
+    @Override
+    public void setCurrentLocale(Locale locale) {
+        super.setCurrentLocale(locale);
+        mTempCalendar = Calendar.getInstance(locale);
     }
 
-    /**
-     * @return true if in keyboard mode
-     */
-    private boolean inKbMode() {
-        return mInKbMode;
+    private void onTimeChanged() {
+        mDelegator.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
+        if (mOnTimeChangedListener != null) {
+            mOnTimeChangedListener.onTimeChanged(mDelegator, getCurrentHour(),
+                    getCurrentMinute());
+        }
     }
 
-    private void setTypedTimes(ArrayList<Integer> typeTimes) {
-        mTypedTimes = typeTimes;
+    private void updateHourControl() {
+        if (is24HourView()) {
+            // 'k' means 1-24 hour
+            if (mHourFormat == 'k') {
+                mHourSpinner.setMinValue(1);
+                mHourSpinner.setMaxValue(24);
+            } else {
+                mHourSpinner.setMinValue(0);
+                mHourSpinner.setMaxValue(23);
+            }
+        } else {
+            // 'K' means 0-11 hour
+            if (mHourFormat == 'K') {
+                mHourSpinner.setMinValue(0);
+                mHourSpinner.setMaxValue(11);
+            } else {
+                mHourSpinner.setMinValue(1);
+                mHourSpinner.setMaxValue(12);
+            }
+        }
+        mHourSpinner.setFormatter(mHourWithTwoDigit ? NumberPicker.getTwoDigitFormatter() : null);
     }
 
-    /**
-     * @return an array of typed times
-     */
-    private ArrayList<Integer> getTypedTimes() {
-        return mTypedTimes;
+    private void updateMinuteControl() {
+        if (is24HourView()) {
+            mMinuteSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
+        } else {
+            mMinuteSpinnerInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
+        }
     }
 
-    /**
-     * @return the index of the current item showing
-     */
-    private int getCurrentItemShowing() {
-        return mRadialTimePickerView.getCurrentItemShowing();
+    private void setContentDescriptions() {
+        // Minute
+        trySetContentDescription(mMinuteSpinner, R.id.increment,
+                R.string.time_picker_increment_minute_button);
+        trySetContentDescription(mMinuteSpinner, R.id.decrement,
+                R.string.time_picker_decrement_minute_button);
+        // Hour
+        trySetContentDescription(mHourSpinner, R.id.increment,
+                R.string.time_picker_increment_hour_button);
+        trySetContentDescription(mHourSpinner, R.id.decrement,
+                R.string.time_picker_decrement_hour_button);
+        // AM/PM
+        if (mAmPmSpinner != null) {
+            trySetContentDescription(mAmPmSpinner, R.id.increment,
+                    R.string.time_picker_increment_set_pm_button);
+            trySetContentDescription(mAmPmSpinner, R.id.decrement,
+                    R.string.time_picker_decrement_set_am_button);
+        }
     }
 
-    /**
-     * Propagate the time change
-     */
-    private void onTimeChanged() {
-        mDelegator.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
-        if (mOnTimeChangedListener != null) {
-            mOnTimeChangedListener.onTimeChanged(mDelegator,
-                    getCurrentHour(), getCurrentMinute());
+    private void trySetContentDescription(View root, int viewId, int contDescResId) {
+        View target = root.findViewById(viewId);
+        if (target != null) {
+            target.setContentDescription(mContext.getString(contDescResId));
         }
     }
 
@@ -511,34 +559,19 @@ class TimePickerSpinnerDelegate extends TimePicker.AbstractTimePickerDelegate im
      * Used to save / restore state of time picker
      */
     private static class SavedState extends View.BaseSavedState {
-
         private final int mHour;
         private final int mMinute;
-        private final boolean mIs24HourMode;
-        private final boolean mInKbMode;
-        private final ArrayList<Integer> mTypedTimes;
-        private final int mCurrentItemShowing;
-
-        private SavedState(Parcelable superState, int hour, int minute, boolean is24HourMode,
-                           boolean isKbMode, ArrayList<Integer> typedTimes,
-                           int currentItemShowing) {
+
+        private SavedState(Parcelable superState, int hour, int minute) {
             super(superState);
             mHour = hour;
             mMinute = minute;
-            mIs24HourMode = is24HourMode;
-            mInKbMode = isKbMode;
-            mTypedTimes = typedTimes;
-            mCurrentItemShowing = currentItemShowing;
         }
 
         private SavedState(Parcel in) {
             super(in);
             mHour = in.readInt();
             mMinute = in.readInt();
-            mIs24HourMode = (in.readInt() == 1);
-            mInKbMode = (in.readInt() == 1);
-            mTypedTimes = in.readArrayList(getClass().getClassLoader());
-            mCurrentItemShowing = in.readInt();
         }
 
         public int getHour() {
@@ -549,31 +582,11 @@ class TimePickerSpinnerDelegate extends TimePicker.AbstractTimePickerDelegate im
             return mMinute;
         }
 
-        public boolean is24HourMode() {
-            return mIs24HourMode;
-        }
-
-        public boolean inKbMode() {
-            return mInKbMode;
-        }
-
-        public ArrayList<Integer> getTypesTimes() {
-            return mTypedTimes;
-        }
-
-        public int getCurrentItemShowing() {
-            return mCurrentItemShowing;
-        }
-
         @Override
         public void writeToParcel(Parcel dest, int flags) {
             super.writeToParcel(dest, flags);
             dest.writeInt(mHour);
             dest.writeInt(mMinute);
-            dest.writeInt(mIs24HourMode ? 1 : 0);
-            dest.writeInt(mInKbMode ? 1 : 0);
-            dest.writeList(mTypedTimes);
-            dest.writeInt(mCurrentItemShowing);
         }
 
         @SuppressWarnings({"unused", "hiding"})
@@ -588,706 +601,11 @@ class TimePickerSpinnerDelegate extends TimePicker.AbstractTimePickerDelegate im
         };
     }
 
-    private void tryVibrate() {
-        mDelegator.performHapticFeedback(HapticFeedbackConstants.CLOCK_TICK);
-    }
-
-    private void updateAmPmLabelStates(int amOrPm) {
-        final boolean isAm = amOrPm == AM;
-        mAmLabel.setChecked(isAm);
-        mAmLabel.setAlpha(isAm ? 1 : mDisabledAlpha);
-
-        final boolean isPm = amOrPm == PM;
-        mPmLabel.setChecked(isPm);
-        mPmLabel.setAlpha(isPm ? 1 : mDisabledAlpha);
-    }
-
-    /**
-     * Called by the picker for updating the header display.
-     */
-    @Override
-    public void onValueSelected(int pickerIndex, int newValue, boolean autoAdvance) {
-        if (pickerIndex == HOUR_INDEX) {
-            if (mAllowAutoAdvance && autoAdvance) {
-                updateHeaderHour(newValue, false);
-                setCurrentItemShowing(MINUTE_INDEX, true, false);
-                mRadialTimePickerView.announceForAccessibility(newValue + ". " + mSelectMinutes);
-            } else {
-                updateHeaderHour(newValue, true);
-                mRadialTimePickerView.setContentDescription(
-                        mHourPickerDescription + ": " + newValue);
-            }
-        } else if (pickerIndex == MINUTE_INDEX){
-            updateHeaderMinute(newValue, true);
-            mRadialTimePickerView.setContentDescription(mMinutePickerDescription + ": " + newValue);
-        } else if (pickerIndex == AMPM_INDEX) {
-            updateAmPmLabelStates(newValue);
-        } else if (pickerIndex == ENABLE_PICKER_INDEX) {
-            if (!isTypedTimeFullyLegal()) {
-                mTypedTimes.clear();
-            }
-            finishKbMode();
-        }
+    public static String[] getAmPmStrings(Context context) {
+        String[] result = new String[2];
+        LocaleData d = LocaleData.get(context.getResources().getConfiguration().locale);
+        result[0] = d.amPm[0].length() > 2 ? d.narrowAm : d.amPm[0];
+        result[1] = d.amPm[1].length() > 2 ? d.narrowPm : d.amPm[1];
+        return result;
     }
-
-    private void updateHeaderHour(int value, boolean announce) {
-        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
-                (mIs24HourView) ? "Hm" : "hm");
-        final int lengthPattern = bestDateTimePattern.length();
-        boolean hourWithTwoDigit = false;
-        char hourFormat = '\0';
-        // Check if the returned pattern is single or double 'H', 'h', 'K', 'k'. We also save
-        // the hour format that we found.
-        for (int i = 0; i < lengthPattern; i++) {
-            final char c = bestDateTimePattern.charAt(i);
-            if (c == 'H' || c == 'h' || c == 'K' || c == 'k') {
-                hourFormat = c;
-                if (i + 1 < lengthPattern && c == bestDateTimePattern.charAt(i + 1)) {
-                    hourWithTwoDigit = true;
-                }
-                break;
-            }
-        }
-        final String format;
-        if (hourWithTwoDigit) {
-            format = "%02d";
-        } else {
-            format = "%d";
-        }
-        if (mIs24HourView) {
-            // 'k' means 1-24 hour
-            if (hourFormat == 'k' && value == 0) {
-                value = 24;
-            }
-        } else {
-            // 'K' means 0-11 hour
-            value = modulo12(value, hourFormat == 'K');
-        }
-        CharSequence text = String.format(format, value);
-        mHourView.setText(text);
-        if (announce) {
-            tryAnnounceForAccessibility(text, true);
-        }
-    }
-
-    private void tryAnnounceForAccessibility(CharSequence text, boolean isHour) {
-        if (mLastAnnouncedIsHour != isHour || !text.equals(mLastAnnouncedText)) {
-            // TODO: Find a better solution, potentially live regions?
-            mDelegator.announceForAccessibility(text);
-            mLastAnnouncedText = text;
-            mLastAnnouncedIsHour = isHour;
-        }
-    }
-
-    private static int modulo12(int n, boolean startWithZero) {
-        int value = n % 12;
-        if (value == 0 && !startWithZero) {
-            value = 12;
-        }
-        return value;
-    }
-
-    /**
-     * The time separator is defined in the Unicode CLDR and cannot be supposed to be ":".
-     *
-     * See http://unicode.org/cldr/trac/browser/trunk/common/main
-     *
-     * We pass the correct "skeleton" depending on 12 or 24 hours view and then extract the
-     * separator as the character which is just after the hour marker in the returned pattern.
-     */
-    private void updateHeaderSeparator() {
-        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
-                (mIs24HourView) ? "Hm" : "hm");
-        final String separatorText;
-        // See http://www.unicode.org/reports/tr35/tr35-dates.html for hour formats
-        final char[] hourFormats = {'H', 'h', 'K', 'k'};
-        int hIndex = lastIndexOfAny(bestDateTimePattern, hourFormats);
-        if (hIndex == -1) {
-            // Default case
-            separatorText = ":";
-        } else {
-            separatorText = Character.toString(bestDateTimePattern.charAt(hIndex + 1));
-        }
-        mSeparatorView.setText(separatorText);
-    }
-
-    static private int lastIndexOfAny(String str, char[] any) {
-        final int lengthAny = any.length;
-        if (lengthAny > 0) {
-            for (int i = str.length() - 1; i >= 0; i--) {
-                char c = str.charAt(i);
-                for (int j = 0; j < lengthAny; j++) {
-                    if (c == any[j]) {
-                        return i;
-                    }
-                }
-            }
-        }
-        return -1;
-    }
-
-    private void updateHeaderMinute(int value, boolean announceForAccessibility) {
-        if (value == 60) {
-            value = 0;
-        }
-        final CharSequence text = String.format(mCurrentLocale, "%02d", value);
-        mMinuteView.setText(text);
-        if (announceForAccessibility) {
-            tryAnnounceForAccessibility(text, false);
-        }
-    }
-
-    /**
-     * Show either Hours or Minutes.
-     */
-    private void setCurrentItemShowing(int index, boolean animateCircle, boolean announce) {
-        mRadialTimePickerView.setCurrentItemShowing(index, animateCircle);
-
-        if (index == HOUR_INDEX) {
-            int hours = mRadialTimePickerView.getCurrentHour();
-            if (!mIs24HourView) {
-                hours = hours % 12;
-            }
-            mRadialTimePickerView.setContentDescription(mHourPickerDescription + ": " + hours);
-            if (announce) {
-                mRadialTimePickerView.announceForAccessibility(mSelectHours);
-            }
-        } else {
-            int minutes = mRadialTimePickerView.getCurrentMinute();
-            mRadialTimePickerView.setContentDescription(mMinutePickerDescription + ": " + minutes);
-            if (announce) {
-                mRadialTimePickerView.announceForAccessibility(mSelectMinutes);
-            }
-        }
-
-        mHourView.setSelected(index == HOUR_INDEX);
-        mMinuteView.setSelected(index == MINUTE_INDEX);
-    }
-
-    private void setAmOrPm(int amOrPm) {
-        updateAmPmLabelStates(amOrPm);
-        mRadialTimePickerView.setAmOrPm(amOrPm);
-    }
-
-    /**
-     * For keyboard mode, processes key events.
-     *
-     * @param keyCode the pressed key.
-     *
-     * @return true if the key was successfully processed, false otherwise.
-     */
-    private boolean processKeyUp(int keyCode) {
-        if (keyCode == KeyEvent.KEYCODE_DEL) {
-            if (mInKbMode) {
-                if (!mTypedTimes.isEmpty()) {
-                    int deleted = deleteLastTypedKey();
-                    String deletedKeyStr;
-                    if (deleted == getAmOrPmKeyCode(AM)) {
-                        deletedKeyStr = mAmText;
-                    } else if (deleted == getAmOrPmKeyCode(PM)) {
-                        deletedKeyStr = mPmText;
-                    } else {
-                        deletedKeyStr = String.format("%d", getValFromKeyCode(deleted));
-                    }
-                    mRadialTimePickerView.announceForAccessibility(
-                            String.format(mDeletedKeyFormat, deletedKeyStr));
-                    updateDisplay(true);
-                }
-            }
-        } else if (keyCode == KeyEvent.KEYCODE_0 || keyCode == KeyEvent.KEYCODE_1
-                || keyCode == KeyEvent.KEYCODE_2 || keyCode == KeyEvent.KEYCODE_3
-                || keyCode == KeyEvent.KEYCODE_4 || keyCode == KeyEvent.KEYCODE_5
-                || keyCode == KeyEvent.KEYCODE_6 || keyCode == KeyEvent.KEYCODE_7
-                || keyCode == KeyEvent.KEYCODE_8 || keyCode == KeyEvent.KEYCODE_9
-                || (!mIs24HourView &&
-                (keyCode == getAmOrPmKeyCode(AM) || keyCode == getAmOrPmKeyCode(PM)))) {
-            if (!mInKbMode) {
-                if (mRadialTimePickerView == null) {
-                    // Something's wrong, because time picker should definitely not be null.
-                    Log.e(TAG, "Unable to initiate keyboard mode, TimePicker was null.");
-                    return true;
-                }
-                mTypedTimes.clear();
-                tryStartingKbMode(keyCode);
-                return true;
-            }
-            // We're already in keyboard mode.
-            if (addKeyIfLegal(keyCode)) {
-                updateDisplay(false);
-            }
-            return true;
-        }
-        return false;
-    }
-
-    /**
-     * Try to start keyboard mode with the specified key.
-     *
-     * @param keyCode The key to use as the first press. Keyboard mode will not be started if the
-     * key is not legal to start with. Or, pass in -1 to get into keyboard mode without a starting
-     * key.
-     */
-    private void tryStartingKbMode(int keyCode) {
-        if (keyCode == -1 || addKeyIfLegal(keyCode)) {
-            mInKbMode = true;
-            onValidationChanged(false);
-            updateDisplay(false);
-            mRadialTimePickerView.setInputEnabled(false);
-        }
-    }
-
-    private boolean addKeyIfLegal(int keyCode) {
-        // If we're in 24hour mode, we'll need to check if the input is full. If in AM/PM mode,
-        // we'll need to see if AM/PM have been typed.
-        if ((mIs24HourView && mTypedTimes.size() == 4) ||
-                (!mIs24HourView && isTypedTimeFullyLegal())) {
-            return false;
-        }
-
-        mTypedTimes.add(keyCode);
-        if (!isTypedTimeLegalSoFar()) {
-            deleteLastTypedKey();
-            return false;
-        }
-
-        int val = getValFromKeyCode(keyCode);
-        mRadialTimePickerView.announceForAccessibility(String.format("%d", val));
-        // Automatically fill in 0's if AM or PM was legally entered.
-        if (isTypedTimeFullyLegal()) {
-            if (!mIs24HourView && mTypedTimes.size() <= 3) {
-                mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0);
-                mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0);
-            }
-            onValidationChanged(true);
-        }
-
-        return true;
-    }
-
-    /**
-     * Traverse the tree to see if the keys that have been typed so far are legal as is,
-     * or may become legal as more keys are typed (excluding backspace).
-     */
-    private boolean isTypedTimeLegalSoFar() {
-        Node node = mLegalTimesTree;
-        for (int keyCode : mTypedTimes) {
-            node = node.canReach(keyCode);
-            if (node == null) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    /**
-     * Check if the time that has been typed so far is completely legal, as is.
-     */
-    private boolean isTypedTimeFullyLegal() {
-        if (mIs24HourView) {
-            // For 24-hour mode, the time is legal if the hours and minutes are each legal. Note:
-            // getEnteredTime() will ONLY call isTypedTimeFullyLegal() when NOT in 24hour mode.
-            int[] values = getEnteredTime(null);
-            return (values[0] >= 0 && values[1] >= 0 && values[1] < 60);
-        } else {
-            // For AM/PM mode, the time is legal if it contains an AM or PM, as those can only be
-            // legally added at specific times based on the tree's algorithm.
-            return (mTypedTimes.contains(getAmOrPmKeyCode(AM)) ||
-                    mTypedTimes.contains(getAmOrPmKeyCode(PM)));
-        }
-    }
-
-    private int deleteLastTypedKey() {
-        int deleted = mTypedTimes.remove(mTypedTimes.size() - 1);
-        if (!isTypedTimeFullyLegal()) {
-            onValidationChanged(false);
-        }
-        return deleted;
-    }
-
-    /**
-     * Get out of keyboard mode. If there is nothing in typedTimes, revert to TimePicker's time.
-     */
-    private void finishKbMode() {
-        mInKbMode = false;
-        if (!mTypedTimes.isEmpty()) {
-            int values[] = getEnteredTime(null);
-            mRadialTimePickerView.setCurrentHour(values[0]);
-            mRadialTimePickerView.setCurrentMinute(values[1]);
-            if (!mIs24HourView) {
-                mRadialTimePickerView.setAmOrPm(values[2]);
-            }
-            mTypedTimes.clear();
-        }
-        updateDisplay(false);
-        mRadialTimePickerView.setInputEnabled(true);
-    }
-
-    /**
-     * Update the hours, minutes, and AM/PM displays with the typed times. If the typedTimes is
-     * empty, either show an empty display (filled with the placeholder text), or update from the
-     * timepicker's values.
-     *
-     * @param allowEmptyDisplay if true, then if the typedTimes is empty, use the placeholder text.
-     * Otherwise, revert to the timepicker's values.
-     */
-    private void updateDisplay(boolean allowEmptyDisplay) {
-        if (!allowEmptyDisplay && mTypedTimes.isEmpty()) {
-            int hour = mRadialTimePickerView.getCurrentHour();
-            int minute = mRadialTimePickerView.getCurrentMinute();
-            updateHeaderHour(hour, false);
-            updateHeaderMinute(minute, false);
-            if (!mIs24HourView) {
-                updateAmPmLabelStates(hour < 12 ? AM : PM);
-            }
-            setCurrentItemShowing(mRadialTimePickerView.getCurrentItemShowing(), true, true);
-            onValidationChanged(true);
-        } else {
-            boolean[] enteredZeros = {false, false};
-            int[] values = getEnteredTime(enteredZeros);
-            String hourFormat = enteredZeros[0] ? "%02d" : "%2d";
-            String minuteFormat = (enteredZeros[1]) ? "%02d" : "%2d";
-            String hourStr = (values[0] == -1) ? mDoublePlaceholderText :
-                    String.format(hourFormat, values[0]).replace(' ', mPlaceholderText);
-            String minuteStr = (values[1] == -1) ? mDoublePlaceholderText :
-                    String.format(minuteFormat, values[1]).replace(' ', mPlaceholderText);
-            mHourView.setText(hourStr);
-            mHourView.setSelected(false);
-            mMinuteView.setText(minuteStr);
-            mMinuteView.setSelected(false);
-            if (!mIs24HourView) {
-                updateAmPmLabelStates(values[2]);
-            }
-        }
-    }
-
-    private int getValFromKeyCode(int keyCode) {
-        switch (keyCode) {
-            case KeyEvent.KEYCODE_0:
-                return 0;
-            case KeyEvent.KEYCODE_1:
-                return 1;
-            case KeyEvent.KEYCODE_2:
-                return 2;
-            case KeyEvent.KEYCODE_3:
-                return 3;
-            case KeyEvent.KEYCODE_4:
-                return 4;
-            case KeyEvent.KEYCODE_5:
-                return 5;
-            case KeyEvent.KEYCODE_6:
-                return 6;
-            case KeyEvent.KEYCODE_7:
-                return 7;
-            case KeyEvent.KEYCODE_8:
-                return 8;
-            case KeyEvent.KEYCODE_9:
-                return 9;
-            default:
-                return -1;
-        }
-    }
-
-    /**
-     * Get the currently-entered time, as integer values of the hours and minutes typed.
-     *
-     * @param enteredZeros A size-2 boolean array, which the caller should initialize, and which
-     * may then be used for the caller to know whether zeros had been explicitly entered as either
-     * hours of minutes. This is helpful for deciding whether to show the dashes, or actual 0's.
-     *
-     * @return A size-3 int array. The first value will be the hours, the second value will be the
-     * minutes, and the third will be either AM or PM.
-     */
-    private int[] getEnteredTime(boolean[] enteredZeros) {
-        int amOrPm = -1;
-        int startIndex = 1;
-        if (!mIs24HourView && isTypedTimeFullyLegal()) {
-            int keyCode = mTypedTimes.get(mTypedTimes.size() - 1);
-            if (keyCode == getAmOrPmKeyCode(AM)) {
-                amOrPm = AM;
-            } else if (keyCode == getAmOrPmKeyCode(PM)){
-                amOrPm = PM;
-            }
-            startIndex = 2;
-        }
-        int minute = -1;
-        int hour = -1;
-        for (int i = startIndex; i <= mTypedTimes.size(); i++) {
-            int val = getValFromKeyCode(mTypedTimes.get(mTypedTimes.size() - i));
-            if (i == startIndex) {
-                minute = val;
-            } else if (i == startIndex+1) {
-                minute += 10 * val;
-                if (enteredZeros != null && val == 0) {
-                    enteredZeros[1] = true;
-                }
-            } else if (i == startIndex+2) {
-                hour = val;
-            } else if (i == startIndex+3) {
-                hour += 10 * val;
-                if (enteredZeros != null && val == 0) {
-                    enteredZeros[0] = true;
-                }
-            }
-        }
-
-        return new int[] { hour, minute, amOrPm };
-    }
-
-    /**
-     * Get the keycode value for AM and PM in the current language.
-     */
-    private int getAmOrPmKeyCode(int amOrPm) {
-        // Cache the codes.
-        if (mAmKeyCode == -1 || mPmKeyCode == -1) {
-            // Find the first character in the AM/PM text that is unique.
-            KeyCharacterMap kcm = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
-            char amChar;
-            char pmChar;
-            for (int i = 0; i < Math.max(mAmText.length(), mPmText.length()); i++) {
-                amChar = mAmText.toLowerCase(mCurrentLocale).charAt(i);
-                pmChar = mPmText.toLowerCase(mCurrentLocale).charAt(i);
-                if (amChar != pmChar) {
-                    KeyEvent[] events = kcm.getEvents(new char[]{amChar, pmChar});
-                    // There should be 4 events: a down and up for both AM and PM.
-                    if (events != null && events.length == 4) {
-                        mAmKeyCode = events[0].getKeyCode();
-                        mPmKeyCode = events[2].getKeyCode();
-                    } else {
-                        Log.e(TAG, "Unable to find keycodes for AM and PM.");
-                    }
-                    break;
-                }
-            }
-        }
-        if (amOrPm == AM) {
-            return mAmKeyCode;
-        } else if (amOrPm == PM) {
-            return mPmKeyCode;
-        }
-
-        return -1;
-    }
-
-    /**
-     * Create a tree for deciding what keys can legally be typed.
-     */
-    private void generateLegalTimesTree() {
-        // Create a quick cache of numbers to their keycodes.
-        final int k0 = KeyEvent.KEYCODE_0;
-        final int k1 = KeyEvent.KEYCODE_1;
-        final int k2 = KeyEvent.KEYCODE_2;
-        final int k3 = KeyEvent.KEYCODE_3;
-        final int k4 = KeyEvent.KEYCODE_4;
-        final int k5 = KeyEvent.KEYCODE_5;
-        final int k6 = KeyEvent.KEYCODE_6;
-        final int k7 = KeyEvent.KEYCODE_7;
-        final int k8 = KeyEvent.KEYCODE_8;
-        final int k9 = KeyEvent.KEYCODE_9;
-
-        // The root of the tree doesn't contain any numbers.
-        mLegalTimesTree = new Node();
-        if (mIs24HourView) {
-            // We'll be re-using these nodes, so we'll save them.
-            Node minuteFirstDigit = new Node(k0, k1, k2, k3, k4, k5);
-            Node minuteSecondDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
-            // The first digit must be followed by the second digit.
-            minuteFirstDigit.addChild(minuteSecondDigit);
-
-            // The first digit may be 0-1.
-            Node firstDigit = new Node(k0, k1);
-            mLegalTimesTree.addChild(firstDigit);
-
-            // When the first digit is 0-1, the second digit may be 0-5.
-            Node secondDigit = new Node(k0, k1, k2, k3, k4, k5);
-            firstDigit.addChild(secondDigit);
-            // We may now be followed by the first minute digit. E.g. 00:09, 15:58.
-            secondDigit.addChild(minuteFirstDigit);
-
-            // When the first digit is 0-1, and the second digit is 0-5, the third digit may be 6-9.
-            Node thirdDigit = new Node(k6, k7, k8, k9);
-            // The time must now be finished. E.g. 0:55, 1:08.
-            secondDigit.addChild(thirdDigit);
-
-            // When the first digit is 0-1, the second digit may be 6-9.
-            secondDigit = new Node(k6, k7, k8, k9);
-            firstDigit.addChild(secondDigit);
-            // We must now be followed by the first minute digit. E.g. 06:50, 18:20.
-            secondDigit.addChild(minuteFirstDigit);
-
-            // The first digit may be 2.
-            firstDigit = new Node(k2);
-            mLegalTimesTree.addChild(firstDigit);
-
-            // When the first digit is 2, the second digit may be 0-3.
-            secondDigit = new Node(k0, k1, k2, k3);
-            firstDigit.addChild(secondDigit);
-            // We must now be followed by the first minute digit. E.g. 20:50, 23:09.
-            secondDigit.addChild(minuteFirstDigit);
-
-            // When the first digit is 2, the second digit may be 4-5.
-            secondDigit = new Node(k4, k5);
-            firstDigit.addChild(secondDigit);
-            // We must now be followd by the last minute digit. E.g. 2:40, 2:53.
-            secondDigit.addChild(minuteSecondDigit);
-
-            // The first digit may be 3-9.
-            firstDigit = new Node(k3, k4, k5, k6, k7, k8, k9);
-            mLegalTimesTree.addChild(firstDigit);
-            // We must now be followed by the first minute digit. E.g. 3:57, 8:12.
-            firstDigit.addChild(minuteFirstDigit);
-        } else {
-            // We'll need to use the AM/PM node a lot.
-            // Set up AM and PM to respond to "a" and "p".
-            Node ampm = new Node(getAmOrPmKeyCode(AM), getAmOrPmKeyCode(PM));
-
-            // The first hour digit may be 1.
-            Node firstDigit = new Node(k1);
-            mLegalTimesTree.addChild(firstDigit);
-            // We'll allow quick input of on-the-hour times. E.g. 1pm.
-            firstDigit.addChild(ampm);
-
-            // When the first digit is 1, the second digit may be 0-2.
-            Node secondDigit = new Node(k0, k1, k2);
-            firstDigit.addChild(secondDigit);
-            // Also for quick input of on-the-hour times. E.g. 10pm, 12am.
-            secondDigit.addChild(ampm);
-
-            // When the first digit is 1, and the second digit is 0-2, the third digit may be 0-5.
-            Node thirdDigit = new Node(k0, k1, k2, k3, k4, k5);
-            secondDigit.addChild(thirdDigit);
-            // The time may be finished now. E.g. 1:02pm, 1:25am.
-            thirdDigit.addChild(ampm);
-
-            // When the first digit is 1, the second digit is 0-2, and the third digit is 0-5,
-            // the fourth digit may be 0-9.
-            Node fourthDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
-            thirdDigit.addChild(fourthDigit);
-            // The time must be finished now. E.g. 10:49am, 12:40pm.
-            fourthDigit.addChild(ampm);
-
-            // When the first digit is 1, and the second digit is 0-2, the third digit may be 6-9.
-            thirdDigit = new Node(k6, k7, k8, k9);
-            secondDigit.addChild(thirdDigit);
-            // The time must be finished now. E.g. 1:08am, 1:26pm.
-            thirdDigit.addChild(ampm);
-
-            // When the first digit is 1, the second digit may be 3-5.
-            secondDigit = new Node(k3, k4, k5);
-            firstDigit.addChild(secondDigit);
-
-            // When the first digit is 1, and the second digit is 3-5, the third digit may be 0-9.
-            thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
-            secondDigit.addChild(thirdDigit);
-            // The time must be finished now. E.g. 1:39am, 1:50pm.
-            thirdDigit.addChild(ampm);
-
-            // The hour digit may be 2-9.
-            firstDigit = new Node(k2, k3, k4, k5, k6, k7, k8, k9);
-            mLegalTimesTree.addChild(firstDigit);
-            // We'll allow quick input of on-the-hour-times. E.g. 2am, 5pm.
-            firstDigit.addChild(ampm);
-
-            // When the first digit is 2-9, the second digit may be 0-5.
-            secondDigit = new Node(k0, k1, k2, k3, k4, k5);
-            firstDigit.addChild(secondDigit);
-
-            // When the first digit is 2-9, and the second digit is 0-5, the third digit may be 0-9.
-            thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
-            secondDigit.addChild(thirdDigit);
-            // The time must be finished now. E.g. 2:57am, 9:30pm.
-            thirdDigit.addChild(ampm);
-        }
-    }
-
-    /**
-     * Simple node class to be used for traversal to check for legal times.
-     * mLegalKeys represents the keys that can be typed to get to the node.
-     * mChildren are the children that can be reached from this node.
-     */
-    private class Node {
-        private int[] mLegalKeys;
-        private ArrayList<Node> mChildren;
-
-        public Node(int... legalKeys) {
-            mLegalKeys = legalKeys;
-            mChildren = new ArrayList<Node>();
-        }
-
-        public void addChild(Node child) {
-            mChildren.add(child);
-        }
-
-        public boolean containsKey(int key) {
-            for (int i = 0; i < mLegalKeys.length; i++) {
-                if (mLegalKeys[i] == key) {
-                    return true;
-                }
-            }
-            return false;
-        }
-
-        public Node canReach(int key) {
-            if (mChildren == null) {
-                return null;
-            }
-            for (Node child : mChildren) {
-                if (child.containsKey(key)) {
-                    return child;
-                }
-            }
-            return null;
-        }
-    }
-
-    private final View.OnClickListener mClickListener = new View.OnClickListener() {
-        @Override
-        public void onClick(View v) {
-
-            final int amOrPm;
-            switch (v.getId()) {
-                case R.id.am_label:
-                    setAmOrPm(AM);
-                    break;
-                case R.id.pm_label:
-                    setAmOrPm(PM);
-                    break;
-                case R.id.hours:
-                    setCurrentItemShowing(HOUR_INDEX, true, true);
-                    break;
-                case R.id.minutes:
-                    setCurrentItemShowing(MINUTE_INDEX, true, true);
-                    break;
-                default:
-                    // Failed to handle this click, don't vibrate.
-                    return;
-            }
-
-            tryVibrate();
-        }
-    };
-
-    private final View.OnKeyListener mKeyListener = new View.OnKeyListener() {
-        @Override
-        public boolean onKey(View v, int keyCode, KeyEvent event) {
-            if (event.getAction() == KeyEvent.ACTION_UP) {
-                return processKeyUp(keyCode);
-            }
-            return false;
-        }
-    };
-
-    private final View.OnFocusChangeListener mFocusListener = new View.OnFocusChangeListener() {
-        @Override
-        public void onFocusChange(View v, boolean hasFocus) {
-            if (!hasFocus && mInKbMode && isTypedTimeFullyLegal()) {
-                finishKbMode();
-
-                if (mOnTimeChangedListener != null) {
-                    mOnTimeChangedListener.onTimeChanged(mDelegator,
-                            mRadialTimePickerView.getCurrentHour(),
-                            mRadialTimePickerView.getCurrentMinute());
-                }
-            }
-        }
-    };
 }