| /* |
| * 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}. |
| * |
| * <p> |
| * See the <a href="{@docRoot}guide/topics/ui/controls/pickers.html">Pickers</a> |
| * 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 mTimeSetListener; |
| |
| 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 (e.g. they clicked on the 'OK' button). |
| */ |
| public interface OnTimeSetListener { |
| /** |
| * Called when the user is done setting a new time and the dialog has |
| * closed. |
| * |
| * @param view the view associated with this listener |
| * @param hourOfDay the hour that was set |
| * @param minute the minute that was set |
| */ |
| public void onTimeSet(TimePicker view, int hourOfDay, int minute); |
| } |
| |
| /** |
| * Creates a new time picker dialog. |
| * |
| * @param context the parent context |
| * @param listener the listener to call when the time is set |
| * @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 listener, int hourOfDay, int minute, |
| boolean is24HourView) { |
| this(context, 0, listener, 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; |
| } |
| } |
| |
| /** |
| * Creates a new time picker dialog with the specified theme. |
| * |
| * @param context the parent context |
| * @param themeResId the resource ID of the theme to apply to this dialog |
| * @param listener the listener to call when the time is set |
| * @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 themeResId, OnTimeSetListener listener, |
| int hourOfDay, int minute, boolean is24HourView) { |
| super(context, resolveDialogTheme(context, themeResId)); |
| |
| mTimeSetListener = listener; |
| mInitialHourOfDay = hourOfDay; |
| mInitialMinute = minute; |
| mIs24HourView = is24HourView; |
| |
| final Context themeContext = getContext(); |
| |
| |
| final TypedValue outValue = new TypedValue(); |
| context.getTheme().resolveAttribute(R.attr.timePickerDialogTheme, outValue, true); |
| final int layoutResId = outValue.resourceId; |
| |
| 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 (mTimeSetListener != null) { |
| mTimeSetListener.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); |
| } |
| } |
| }; |
| } |