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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* 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.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
import android.widget.TimePicker.ValidationCallback;
import com.android.internal.R;
/**
* A dialog that prompts the user for the time of day using a {@link TimePicker}.
*
* See the Pickers
* guide.
*/
public class TimePickerDialog extends AlertDialog implements OnClickListener,
OnTimeChangedListener {
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 mTimeSetCallback;
private final int mInitialHourOfDay;
private final int mInitialMinute;
private final boolean mIs24HourView;
/**
* The callback interface used to indicate the user is done filling in
* the time (they clicked on the 'Done' 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);
}
/**
* @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, 0, callBack, hourOfDay, minute, is24HourView);
}
static int resolveDialogTheme(Context context, int resid) {
if (resid == 0) {
final TypedValue outValue = new TypedValue();
context.getTheme().resolveAttribute(R.attr.timePickerDialogTheme, outValue, true);
return outValue.resourceId;
} else {
return resid;
}
}
/**
* @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, resolveDialogTheme(context, theme));
mTimeSetCallback = callBack;
mInitialHourOfDay = hourOfDay;
mInitialMinute = minute;
mIs24HourView = is24HourView;
final Context themeContext = getContext();
final LayoutInflater inflater = LayoutInflater.from(themeContext);
final View view = inflater.inflate(R.layout.time_picker_dialog, null);
setView(view);
setButton(BUTTON_POSITIVE, themeContext.getString(R.string.ok), this);
setButton(BUTTON_NEGATIVE, themeContext.getString(R.string.cancel), this);
setButtonPanelLayoutHint(LAYOUT_HINT_SIDE);
mTimePicker = (TimePicker) view.findViewById(R.id.timePicker);
mTimePicker.setIs24HourView(mIs24HourView);
mTimePicker.setCurrentHour(mInitialHourOfDay);
mTimePicker.setCurrentMinute(mInitialMinute);
mTimePicker.setOnTimeChangedListener(this);
mTimePicker.setValidationCallback(mValidationCallback);
}
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
/* do nothing */
}
@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case BUTTON_POSITIVE:
if (mTimeSetCallback != null) {
mTimeSetCallback.onTimeSet(mTimePicker, mTimePicker.getCurrentHour(),
mTimePicker.getCurrentMinute());
}
break;
case BUTTON_NEGATIVE:
cancel();
break;
}
}
/**
* Sets the current time.
*
* @param hourOfDay The current hour within the day.
* @param minuteOfHour The current minute within the hour.
*/
public void updateTime(int hourOfDay, int minuteOfHour) {
mTimePicker.setCurrentHour(hourOfDay);
mTimePicker.setCurrentMinute(minuteOfHour);
}
@Override
public Bundle onSaveInstanceState() {
final 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);
final int hour = savedInstanceState.getInt(HOUR);
final int minute = savedInstanceState.getInt(MINUTE);
mTimePicker.setIs24HourView(savedInstanceState.getBoolean(IS_24_HOUR));
mTimePicker.setCurrentHour(hour);
mTimePicker.setCurrentMinute(minute);
}
private final ValidationCallback mValidationCallback = new ValidationCallback() {
@Override
public void onValidationChanged(boolean valid) {
final Button positive = getButton(BUTTON_POSITIVE);
if (positive != null) {
positive.setEnabled(valid);
}
}
};
}