Update QS header to spec

- Move brightness slider down.
- Make clock bigger when expanded.
- Show date in collapsed state.
- Change size of avatar depending on collapsed/expanded.

Bug: 15865202
Bug: 15381387
Change-Id: I7894edae495b5a2d12b4fe4637a9aa3fd2e58963

8 files changed, 154 insertions, 61 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index 9c1dc8e..36cd388 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -28,9 +28,12 @@ import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile.DetailAdapter;
+import com.android.systemui.settings.BrightnessController;
+import com.android.systemui.settings.ToggleSlider;
 
 import java.util.ArrayList;
 
@@ -44,6 +47,7 @@ public class QSPanel extends ViewGroup {
     private final ViewGroup mDetailContent;
     private final View mDetailSettingsButton;
     private final View mDetailDoneButton;
+    private final View mBrightnessView;
     private final CircularClipper mClipper;
     private final H mHandler = new H();
 
@@ -59,6 +63,7 @@ public class QSPanel extends ViewGroup {
 
     private TileRecord mDetailRecord;
     private Callback mCallback;
+    private BrightnessController mBrightnessController;
 
     public QSPanel(Context context) {
         this(context, null);
@@ -74,9 +79,16 @@ public class QSPanel extends ViewGroup {
         mDetailDoneButton = mDetail.findViewById(android.R.id.button1);
         mDetail.setVisibility(GONE);
         mDetail.setClickable(true);
+        mBrightnessView = LayoutInflater.from(context).inflate(
+                R.layout.quick_settings_brightness_dialog, this, false);
         addView(mDetail);
+        addView(mBrightnessView);
         mClipper = new CircularClipper(mDetail);
         updateResources();
+
+        mBrightnessController = new BrightnessController(getContext(),
+                (ImageView) findViewById(R.id.brightness_icon),
+                (ToggleSlider) findViewById(R.id.brightness_slider));
     }
 
     public void setCallback(Callback callback) {
@@ -115,6 +127,11 @@ public class QSPanel extends ViewGroup {
                 r.tile.refreshState();
             }
         }
+        if (listening) {
+            mBrightnessController.registerCallbacks();
+        } else {
+            mBrightnessController.unregisterCallbacks();
+        }
     }
 
     private void showDetail(boolean show, TileRecord r) {
@@ -211,6 +228,7 @@ public class QSPanel extends ViewGroup {
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         final int width = MeasureSpec.getSize(widthMeasureSpec);
+        mBrightnessView.measure(exactly(width), MeasureSpec.UNSPECIFIED);
         int r = -1;
         int c = -1;
         int rows = 0;
@@ -238,7 +256,7 @@ public class QSPanel extends ViewGroup {
             final int ch = record.row == 0 ? mLargeCellHeight : mCellHeight;
             record.tileView.measure(exactly(cw), exactly(ch));
         }
-        int h = rows == 0 ? 0 : (getRowTop(rows) + mPanelPaddingBottom);
+        int h = rows == 0 ? mBrightnessView.getHeight() : (getRowTop(rows) + mPanelPaddingBottom);
         mDetail.measure(exactly(width), exactly(h));
         setMeasuredDimension(width, h);
     }
@@ -250,6 +268,8 @@ public class QSPanel extends ViewGroup {
     @Override
     protected void onLayout(boolean changed, int l, int t, int r, int b) {
         final int w = getWidth();
+        mBrightnessView.layout(0, 0,
+                mBrightnessView.getMeasuredWidth(), mBrightnessView.getMeasuredHeight());
         for (TileRecord record : mRecords) {
             if (record.tileView.getVisibility() == GONE) continue;
             final int cols = getColumnCount(record.row);
@@ -266,8 +286,9 @@ public class QSPanel extends ViewGroup {
     }
 
     private int getRowTop(int row) {
-        if (row <= 0) return 0;
-        return mLargeCellHeight - mDualTileUnderlap + (row - 1) * mCellHeight;
+        if (row <= 0) return mBrightnessView.getHeight();
+        return mBrightnessView.getHeight()
+                + mLargeCellHeight - mDualTileUnderlap + (row - 1) * mCellHeight;
     }
 
     private int getColumnCount(int row) {
diff --git a/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java b/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java
index 80e85f9..6d5bb9d 100644
--- a/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java
+++ b/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java
@@ -58,6 +58,7 @@ public class BrightnessController implements ToggleSlider.Listener {
             new ArrayList<BrightnessStateChangeCallback>();
 
     private boolean mAutomatic;
+    private boolean mListening;
 
     public interface BrightnessStateChangeCallback {
         public void onBrightnessLevelChanged();
@@ -159,6 +160,9 @@ public class BrightnessController implements ToggleSlider.Listener {
     }
 
     public void registerCallbacks() {
+        if (mListening) {
+            return;
+        }
         mBrightnessObserver.startObserving();
         mUserTracker.startTracking();
 
@@ -172,6 +176,9 @@ public class BrightnessController implements ToggleSlider.Listener {
 
     /** Unregister all call backs, both to and from the controller */
     public void unregisterCallbacks() {
+        if (!mListening) {
+            return;
+        }
         mBrightnessObserver.stopObserving();
         mChangeCallbacks.clear();
         mUserTracker.stopTracking();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/MultiUserSwitch.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/MultiUserSwitch.java
index c26f15e..0f12274 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/MultiUserSwitch.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/MultiUserSwitch.java
@@ -28,6 +28,7 @@ import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.FrameLayout;
 import android.widget.ImageButton;
 
 import com.android.systemui.R;
@@ -35,10 +36,9 @@ import com.android.systemui.settings.UserSwitcherHostView;
 import com.android.systemui.statusbar.policy.UserInfoController;
 
 /**
- * Image button for the multi user switcher.
+ * Container for image of the multi user switcher (tappable).
  */
-public class MultiUserSwitch extends ImageButton implements View.OnClickListener,
-        UserInfoController.OnUserInfoChangedListener {
+public class MultiUserSwitch extends FrameLayout implements View.OnClickListener {
 
     private ViewGroup mOverlayParent;
 
@@ -78,13 +78,4 @@ public class MultiUserSwitch extends ImageButton implements View.OnClickListener
             getContext().startActivityAsUser(intent, new UserHandle(UserHandle.USER_CURRENT));
         }
     }
-
-    public void setUserInfoController(UserInfoController userInfoController) {
-        userInfoController.addListener(this);
-    }
-
-    @Override
-    public void onUserInfoChanged(String name, Drawable picture) {
-        setImageDrawable(picture);
-    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
index bea5d49..e0a1ef1 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -434,7 +434,7 @@ public class NotificationPanelView extends PanelView implements
 
         // Block request when interacting with the scroll view so we can still intercept the
         // scrolling when QS is expanded.
-        if (mScrollView.isDispatchingTouchEvent()) {
+        if (mScrollView.isHandlingTouchEvent()) {
             return;
         }
         super.requestDisallowInterceptTouchEvent(disallowIntercept);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ObservableScrollView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ObservableScrollView.java
index 45f3632..5920580 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ObservableScrollView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ObservableScrollView.java
@@ -29,9 +29,8 @@ public class ObservableScrollView extends ScrollView {
 
     private Listener mListener;
     private int mLastOverscrollAmount;
-    private boolean mDispatchingTouchEvent;
     private boolean mTouchEnabled = true;
-    private boolean mInTouchEvent;
+    private boolean mHandlingTouchEvent;
 
     public ObservableScrollView(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -49,8 +48,8 @@ public class ObservableScrollView extends ScrollView {
         return getScrollY() == getMaxScrollY();
     }
 
-    public boolean isDispatchingTouchEvent() {
-        return mDispatchingTouchEvent || mInTouchEvent;
+    public boolean isHandlingTouchEvent() {
+        return mHandlingTouchEvent;
     }
 
     private int getMaxScrollY() {
@@ -65,17 +64,17 @@ public class ObservableScrollView extends ScrollView {
 
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
-        mInTouchEvent = true;
+        mHandlingTouchEvent = true;
         boolean result = super.onTouchEvent(ev);
-        mInTouchEvent = false;
+        mHandlingTouchEvent = false;
         return result;
     }
 
     @Override
     public boolean onInterceptTouchEvent(MotionEvent ev) {
-        mInTouchEvent = true;
+        mHandlingTouchEvent = true;
         boolean result = super.onInterceptTouchEvent(ev);
-        mInTouchEvent = false;
+        mHandlingTouchEvent = false;
         return result;
     }
 
@@ -84,10 +83,7 @@ public class ObservableScrollView extends ScrollView {
         if (!mTouchEnabled) {
             return false;
         }
-        mDispatchingTouchEvent = true;
-        boolean result = super.dispatchTouchEvent(ev);
-        mDispatchingTouchEvent = false;
-        return result;
+        return super.dispatchTouchEvent(ev);
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 6532b71..f9aadf3 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -264,9 +264,6 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
     int[] mPositionTmp = new int[2];
     boolean mExpandedVisible;
 
-    // the date view
-    DateView mDateView;
-
     // on-screen navigation buttons
     private NavigationBarView mNavigationBarView = null;
     private int mNavigationBarWindowState = WINDOW_STATE_SHOWING;
@@ -618,7 +615,6 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
         mKeyguardIndicationController = new KeyguardIndicationController(mContext,
                 (KeyguardIndicationTextView) mStatusBarWindow.findViewById(
                         R.id.keyguard_indication_text));
-        mDateView = (DateView)mStatusBarWindow.findViewById(R.id.date);
 
         mDateTimeView = mHeader.findViewById(R.id.datetime);
         if (mDateTimeView != null) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java
index 70a664f..b95b88f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java
@@ -16,13 +16,11 @@
 
 package com.android.systemui.statusbar.phone;
 
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Outline;
 import android.graphics.Rect;
-import android.provider.Settings;
+import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
@@ -35,8 +33,6 @@ import android.widget.TextView;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSPanel;
 import com.android.systemui.qs.QSTile;
-import com.android.systemui.settings.BrightnessController;
-import com.android.systemui.settings.ToggleSlider;
 import com.android.systemui.statusbar.policy.BatteryController;
 import com.android.systemui.statusbar.policy.UserInfoController;
 
@@ -54,13 +50,15 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
     private ViewGroup mSystemIconsContainer;
     private View mSystemIconsSuperContainer;
     private View mDateTime;
+    private TextView mClock;
     private View mKeyguardCarrierText;
     private MultiUserSwitch mMultiUserSwitch;
-    private View mDate;
+    private ImageView mMultiUserAvatar;
+    private View mDateCollapsed;
+    private View mDateExpanded;
     private View mStatusIcons;
     private View mSignalCluster;
     private View mSettingsButton;
-    private View mBrightnessContainer;
     private View mQsDetailHeader;
     private View mEmergencyCallsOnly;
     private TextView mBatteryLevel;
@@ -76,10 +74,21 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
     private int mNormalWidth;
     private int mPadding;
     private int mMultiUserExpandedMargin;
+    private int mMultiUserCollapsedMargin;
+    private int mMultiUserKeyguardMargin;
     private int mSystemIconsSwitcherHiddenExpandedMargin;
+    private int mClockMarginBottomExpanded;
+    private int mMultiUserSwitchWidthCollapsed;
+    private int mMultiUserSwitchWidthExpanded;
+
+    /**
+     * In collapsed QS, the clock and avatar are scaled down a bit post-layout to allow for a nice
+     * transition. These values determine that factor.
+     */
+    private float mClockCollapsedScaleFactor;
+    private float mAvatarCollapsedScaleFactor;
 
     private ActivityStarter mActivityStarter;
-    private BrightnessController mBrightnessController;
     private BatteryController mBatteryController;
     private QSPanel mQSPanel;
 
@@ -97,21 +106,22 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
         mSystemIconsContainer = (ViewGroup) findViewById(R.id.system_icons_container);
         mSystemIconsSuperContainer.setOnClickListener(this);
         mDateTime = findViewById(R.id.datetime);
+        mClock = (TextView) findViewById(R.id.clock);
         mKeyguardCarrierText = findViewById(R.id.keyguard_carrier_text);
         mMultiUserSwitch = (MultiUserSwitch) findViewById(R.id.multi_user_switch);
-        mDate = findViewById(R.id.date);
+        mMultiUserAvatar = (ImageView) findViewById(R.id.multi_user_avatar);
+        mDateCollapsed = findViewById(R.id.date_collapsed);
+        mDateExpanded = findViewById(R.id.date_expanded);
         mSettingsButton = findViewById(R.id.settings_button);
         mSettingsButton.setOnClickListener(this);
-        mBrightnessContainer = findViewById(R.id.brightness_container);
-        mBrightnessController = new BrightnessController(getContext(),
-                (ImageView) findViewById(R.id.brightness_icon),
-                (ToggleSlider) findViewById(R.id.brightness_slider));
         mQsDetailHeader = findViewById(R.id.qs_detail_header);
         mQsDetailHeader.setAlpha(0);
         mEmergencyCallsOnly = findViewById(R.id.header_emergency_calls_only);
         mBatteryLevel = (TextView) findViewById(R.id.battery_level);
         loadDimens();
         updateVisibilities();
+        updateClockScale();
+        updateAvatarScale();
         addOnLayoutChangeListener(new View.OnLayoutChangeListener() {
             @Override
             public void onLayoutChange(View v, int left, int top, int right,
@@ -120,6 +130,8 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
                     // width changed, update clipping
                     setClipping(getHeight());
                 }
+                mClock.setPivotX(0);
+                mClock.setPivotY(mClock.getBaseline());
             }
         });
     }
@@ -134,8 +146,24 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
         mPadding = getResources().getDimensionPixelSize(R.dimen.notification_side_padding);
         mMultiUserExpandedMargin =
                 getResources().getDimensionPixelSize(R.dimen.multi_user_switch_expanded_margin);
+        mMultiUserCollapsedMargin =
+                getResources().getDimensionPixelSize(R.dimen.multi_user_switch_collapsed_margin);
+        mMultiUserKeyguardMargin =
+                getResources().getDimensionPixelSize(R.dimen.multi_user_switch_keyguard_margin);
         mSystemIconsSwitcherHiddenExpandedMargin = getResources().getDimensionPixelSize(
                 R.dimen.system_icons_switcher_hidden_expanded_margin);
+        mClockMarginBottomExpanded =
+                getResources().getDimensionPixelSize(R.dimen.clock_expanded_bottom_margin);
+        mMultiUserSwitchWidthCollapsed =
+                getResources().getDimensionPixelSize(R.dimen.multi_user_switch_width_collapsed);
+        mMultiUserSwitchWidthExpanded =
+                getResources().getDimensionPixelSize(R.dimen.multi_user_switch_width_expanded);
+        mAvatarCollapsedScaleFactor =
+                getResources().getDimensionPixelSize(R.dimen.multi_user_avatar_collapsed_size)
+                / (float) mMultiUserAvatar.getLayoutParams().width;
+        mClockCollapsedScaleFactor =
+                getResources().getDimensionPixelSize(R.dimen.qs_time_collapsed_size)
+                / mClock.getTextSize();
     }
 
     public void setActivityStarter(ActivityStarter activityStarter) {
@@ -159,7 +187,6 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
             return;
         }
         mListening = listening;
-        updateBrightnessControllerState();
         updateBatteryListening();
     }
 
@@ -180,6 +207,9 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
             if (mQSPanel != null) {
                 mQSPanel.setExpanded(expanded && !overscrolled);
             }
+            updateClockScale();
+            updateAvatarScale();
+            updateClockLp();
         }
     }
 
@@ -229,9 +259,9 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
         }
         mDateTime.setVisibility(onKeyguardAndCollapsed ? View.INVISIBLE : View.VISIBLE);
         mKeyguardCarrierText.setVisibility(onKeyguardAndCollapsed ? View.VISIBLE : View.GONE);
-        mDate.setVisibility(mExpanded ? View.VISIBLE : View.GONE);
+        mDateCollapsed.setVisibility(mExpanded && !mOverscrolled ? View.GONE : View.VISIBLE);
+        mDateExpanded.setVisibility(mExpanded && !mOverscrolled ? View.VISIBLE : View.GONE);
         mSettingsButton.setVisibility(mExpanded && !mOverscrolled ? View.VISIBLE : View.GONE);
-        mBrightnessContainer.setVisibility(mExpanded ? View.VISIBLE : View.GONE);
         mQsDetailHeader.setVisibility(mExpanded ? View.VISIBLE : View.GONE);
         if (mStatusIcons != null) {
             mStatusIcons.setVisibility(!mExpanded || mOverscrolled ? View.VISIBLE : View.GONE);
@@ -260,19 +290,31 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
         mSystemIconsSuperContainer.setLayoutParams(lp);
     }
 
-    private void updateBrightnessControllerState() {
+    private void updateBatteryListening() {
         if (mListening) {
-            mBrightnessController.registerCallbacks();
+            mBatteryController.addStateChangedCallback(this);
         } else {
-            mBrightnessController.unregisterCallbacks();
+            mBatteryController.removeStateChangedCallback(this);
         }
     }
 
-    private void updateBatteryListening() {
-        if (mListening) {
-            mBatteryController.addStateChangedCallback(this);
+    private void updateAvatarScale() {
+        if (!mExpanded || mOverscrolled) {
+            mMultiUserSwitch.setScaleX(mAvatarCollapsedScaleFactor);
+            mMultiUserSwitch.setScaleY(mAvatarCollapsedScaleFactor);
         } else {
-            mBatteryController.removeStateChangedCallback(this);
+            mMultiUserSwitch.setScaleX(1f);
+            mMultiUserSwitch.setScaleY(1f);
+        }
+    }
+
+    private void updateClockScale() {
+        if (!mExpanded || mOverscrolled) {
+            mClock.setScaleX(mClockCollapsedScaleFactor);
+            mClock.setScaleY(mClockCollapsedScaleFactor);
+        } else {
+            mClock.setScaleX(1f);
+            mClock.setScaleY(1f);
         }
     }
 
@@ -305,11 +347,32 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
         setPaddingRelative(padding, 0, padding, 0);
     }
 
+    private void updateClockLp() {
+        int marginBottom = mExpanded && !mOverscrolled ? mClockMarginBottomExpanded : 0;
+        LayoutParams lp = (LayoutParams) mDateTime.getLayoutParams();
+        int rule = mExpanded && !mOverscrolled ? TRUE : 0;
+        if (marginBottom != lp.bottomMargin
+                || lp.getRules()[RelativeLayout.ALIGN_PARENT_BOTTOM] != rule) {
+            lp.bottomMargin = marginBottom;
+            lp.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, rule);
+            mDateTime.setLayoutParams(lp);
+        }
+    }
+
     private void updateMultiUserSwitch() {
-        int marginEnd = !mKeyguardShowing || mExpanded ? mMultiUserExpandedMargin : 0;
+        int marginEnd;
+        if (mExpanded) {
+            marginEnd = mMultiUserExpandedMargin;
+        } else if (mKeyguardShowing) {
+            marginEnd = mMultiUserKeyguardMargin;
+        } else {
+            marginEnd = mMultiUserCollapsedMargin;
+        }
+        int width = mExpanded ? mMultiUserSwitchWidthExpanded : mMultiUserSwitchWidthCollapsed;
         MarginLayoutParams lp = (MarginLayoutParams) mMultiUserSwitch.getLayoutParams();
-        if (marginEnd != lp.getMarginEnd()) {
+        if (marginEnd != lp.getMarginEnd() || lp.width != width) {
             lp.setMarginEnd(marginEnd);
+            lp.width = width;
             mMultiUserSwitch.setLayoutParams(lp);
         }
     }
@@ -361,7 +424,12 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
     }
 
     public void setUserInfoController(UserInfoController userInfoController) {
-        mMultiUserSwitch.setUserInfoController(userInfoController);
+        userInfoController.addListener(new UserInfoController.OnUserInfoChangedListener() {
+            @Override
+            public void onUserInfoChanged(String name, Drawable picture) {
+                mMultiUserAvatar.setImageDrawable(picture);
+            }
+        });
     }
 
     public void setOverlayParent(ViewGroup parent) {
@@ -445,7 +513,7 @@ public class StatusBarHeaderView extends RelativeLayout implements View.OnClickL
 
         private void handleShowingDetail(final QSTile.DetailAdapter detail) {
             final boolean showingDetail = detail != null;
-            transition(mBrightnessContainer, !showingDetail);
+            transition(mDateTime, !showingDetail);
             transition(mQsDetailHeader, showingDetail);
             if (showingDetail) {
                 final TextView headerTitle = (TextView)
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/DateView.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/DateView.java
index f978833..186005c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/DateView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/DateView.java
@@ -20,6 +20,7 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.res.TypedArray;
 import android.text.format.DateFormat;
 import android.util.AttributeSet;
 import android.widget.TextView;
@@ -37,6 +38,7 @@ public class DateView extends TextView {
 
     private SimpleDateFormat mDateFormat;
     private String mLastText;
+    private String mDatePattern;
 
     private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
         @Override
@@ -58,6 +60,19 @@ public class DateView extends TextView {
 
     public DateView(Context context, AttributeSet attrs) {
         super(context, attrs);
+        TypedArray a = context.getTheme().obtainStyledAttributes(
+                attrs,
+                R.styleable.DateView,
+                0, 0);
+
+        try {
+            mDatePattern = a.getString(R.styleable.DateView_datePattern);
+        } finally {
+            a.recycle();
+        }
+        if (mDatePattern == null) {
+            mDatePattern = getContext().getString(R.string.system_ui_date_pattern);
+        }
     }
 
     @Override
@@ -84,9 +99,8 @@ public class DateView extends TextView {
 
     protected void updateClock() {
         if (mDateFormat == null) {
-            final String dateFormat = getContext().getString(R.string.system_ui_date_pattern);
             final Locale l = Locale.getDefault();
-            final String fmt = DateFormat.getBestDateTimePattern(l, dateFormat);
+            final String fmt = DateFormat.getBestDateTimePattern(l, mDatePattern);
             mDateFormat = new SimpleDateFormat(fmt, l);
         }