src/com/android/deskclock/AlarmUtils.java

/*
 * Copyright (C) 2012 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 com.android.deskclock;

import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Context;
import android.widget.Toast;

/**
 * Static utility methods for Alarms.
 */
public class AlarmUtils {

    public static void showTimeEditDialog(FragmentManager manager, final Alarm alarm) {
        final FragmentTransaction ft = manager.beginTransaction();
        final Fragment prev = manager.findFragmentByTag("time_dialog");
        if (prev != null) {
            ft.remove(prev);
        }
        ft.addToBackStack(null);

        final AlarmTimePickerDialogFragment fragment = AlarmTimePickerDialogFragment.newInstance(
                alarm);
        fragment.show(ft, "time_dialog");
    }

    public static void popAlarmSetToast(Context context, long timeInMillis) {
        String toastText = SetAlarm.formatToast(context, timeInMillis);
        Toast toast = Toast.makeText(context, toastText, Toast.LENGTH_LONG);
        ToastMaster.setToast(toast);
        toast.show();
    }

    /**
     * Display a toast that tells the user how long until the alarm
     * goes off.  This helps prevent "am/pm" mistakes.
     */
    public static void popAlarmSetToast(Context context, int hour, int minute,
                                 Alarm.DaysOfWeek daysOfWeek) {
        popAlarmSetToast(context,
                Alarms.calculateAlarm(hour, minute, daysOfWeek)
                        .getTimeInMillis());
    }
}