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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.app;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.text.format.DateFormat;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
import com.android.internal.R;
import java.util.Calendar;
/**
* A dialog that prompts the user for the time of day using a {@link TimePicker}.
*
* <p>See the <a href="{@docRoot}resources/tutorials/views/hello-timepicker.html">Time Picker
* tutorial</a>.</p>
*/
public class TimePickerDialog extends AlertDialog implements OnClickListener,
OnTimeChangedListener {
/**
* The callback interface used to indicate the user is done filling in
* the time (they clicked on the 'Set' button).
*/
public interface OnTimeSetListener {
/**
* @param view The view associated with this listener.
* @param hourOfDay The hour that was set.
* @param minute The minute that was set.
*/
void onTimeSet(TimePicker view, int hourOfDay, int minute);
}
private static final String HOUR = "hour";
private static final String MINUTE = "minute";
private static final String IS_24_HOUR = "is24hour";
private final TimePicker mTimePicker;
private final OnTimeSetListener mCallback;
private final Calendar mCalendar;
private final java.text.DateFormat mDateFormat;
int mInitialHourOfDay;
int mInitialMinute;
boolean mIs24HourView;
/**
* @param context Parent.
* @param callBack How parent is notified.
* @param hourOfDay The initial hour.
* @param minute The initial minute.
* @param is24HourView Whether this is a 24 hour view, or AM/PM.
*/
public TimePickerDialog(Context context,
OnTimeSetListener callBack,
int hourOfDay, int minute, boolean is24HourView) {
this(context, com.android.internal.R.style.Theme_Dialog_Alert,
callBack, hourOfDay, minute, is24HourView);
}
/**
* @param context Parent.
* @param theme the theme to apply to this dialog
* @param callBack How parent is notified.
* @param hourOfDay The initial hour.
* @param minute The initial minute.
* @param is24HourView Whether this is a 24 hour view, or AM/PM.
*/
public TimePickerDialog(Context context,
int theme,
OnTimeSetListener callBack,
int hourOfDay, int minute, boolean is24HourView) {
super(context, theme);
mCallback = callBack;
mInitialHourOfDay = hourOfDay;
mInitialMinute = minute;
mIs24HourView = is24HourView;
mDateFormat = DateFormat.getTimeFormat(context);
mCalendar = Calendar.getInstance();
updateTitle(mInitialHourOfDay, mInitialMinute);
setButton(BUTTON_POSITIVE, context.getText(R.string.date_time_set), this);
setButton(BUTTON_NEGATIVE, context.getText(R.string.cancel),
(OnClickListener) null);
setIcon(R.drawable.ic_dialog_time);
LayoutInflater inflater =
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.time_picker_dialog, null);
setView(view);
mTimePicker = (TimePicker) view.findViewById(R.id.timePicker);
// initialize state
mTimePicker.setCurrentHour(mInitialHourOfDay);
mTimePicker.setCurrentMinute(mInitialMinute);
mTimePicker.setIs24HourView(mIs24HourView);
mTimePicker.setOnTimeChangedListener(this);
}
public void onClick(DialogInterface dialog, int which) {
if (mCallback != null) {
mTimePicker.clearFocus();
mCallback.onTimeSet(mTimePicker, mTimePicker.getCurrentHour(),
mTimePicker.getCurrentMinute());
}
}
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
updateTitle(hourOfDay, minute);
}
public void updateTime(int hourOfDay, int minutOfHour) {
mTimePicker.setCurrentHour(hourOfDay);
mTimePicker.setCurrentMinute(minutOfHour);
}
private void updateTitle(int hour, int minute) {
mCalendar.set(Calendar.HOUR_OF_DAY, hour);
mCalendar.set(Calendar.MINUTE, minute);
setTitle(mDateFormat.format(mCalendar.getTime()));
}
@Override
public Bundle onSaveInstanceState() {
Bundle state = super.onSaveInstanceState();
state.putInt(HOUR, mTimePicker.getCurrentHour());
state.putInt(MINUTE, mTimePicker.getCurrentMinute());
state.putBoolean(IS_24_HOUR, mTimePicker.is24HourView());
return state;
}
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
int hour = savedInstanceState.getInt(HOUR);
int minute = savedInstanceState.getInt(MINUTE);
mTimePicker.setCurrentHour(hour);
mTimePicker.setCurrentMinute(minute);
mTimePicker.setIs24HourView(savedInstanceState.getBoolean(IS_24_HOUR));
mTimePicker.setOnTimeChangedListener(this);
updateTitle(hour, minute);
}
}
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