1 /* 2 * Copyright 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.directboot.alarms; 18 19 import android.app.AlarmManager; 20 import android.app.PendingIntent; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.util.Log; 24 25 import java.util.Calendar; 26 27 /** 28 * Utility class for alarms. 29 */ 30 public class AlarmUtil { 31 32 private static final String TAG = "AlarmUtil"; 33 private final Context mContext; 34 private final AlarmManager mAlarmManager; 35 36 public AlarmUtil(Context context) { 37 mContext = context; 38 mAlarmManager = mContext.getSystemService(AlarmManager.class); 39 } 40 41 /** 42 * Schedules an alarm using {@link AlarmManager}. 43 * 44 * @param alarm the alarm to be scheduled 45 */ 46 public void scheduleAlarm(Alarm alarm) { 47 Intent intent = new Intent(mContext, AlarmIntentService.class); 48 intent.putExtra(AlarmIntentService.ALARM_KEY, alarm); 49 PendingIntent pendingIntent = PendingIntent 50 .getService(mContext, alarm.id, intent, PendingIntent.FLAG_UPDATE_CURRENT); 51 Calendar alarmTime = Calendar.getInstance(); 52 alarmTime.set(Calendar.MONTH, alarm.month); 53 alarmTime.set(Calendar.DATE, alarm.date); 54 alarmTime.set(Calendar.HOUR_OF_DAY, alarm.hour); 55 alarmTime.set(Calendar.MINUTE, alarm.minute); 56 57 AlarmManager.AlarmClockInfo alarmClockInfo = new AlarmManager.AlarmClockInfo( 58 alarmTime.getTimeInMillis(), 59 pendingIntent); 60 mAlarmManager.setAlarmClock(alarmClockInfo, pendingIntent); 61 Log.i(TAG, 62 String.format("Alarm scheduled at (%2d:%02d) Date: %d, Month: %d", 63 alarm.hour, alarm.minute, 64 alarm.month, alarm.date)); 65 } 66 67 /** 68 * Cancels the scheduled alarm. 69 * 70 * @param alarm the alarm to be canceled. 71 */ 72 public void cancelAlarm(Alarm alarm) { 73 Intent intent = new Intent(mContext, AlarmIntentService.class); 74 intent.putExtra(AlarmIntentService.ALARM_KEY, alarm); 75 PendingIntent pendingIntent = PendingIntent 76 .getService(mContext, alarm.id, intent, PendingIntent.FLAG_UPDATE_CURRENT); 77 mAlarmManager.cancel(pendingIntent); 78 } 79 80 /** 81 * Returns a next alarm time (nearest day) Calendar instance with the hour and the minute. 82 * 83 * @param hour the integer of the hour an alarm should go off 84 * @param minute the integer of the minute an alarm should go off 85 * @return a {@link Calendar} instance an alarm should go off given the passed hour and the 86 * minute 87 */ 88 public Calendar getNextAlarmTime(int hour, int minute) { 89 Calendar alarmTime = Calendar.getInstance(); 90 alarmTime.set(Calendar.HOUR_OF_DAY, hour); 91 alarmTime.set(Calendar.MINUTE, minute); 92 if ((alarmTime.getTimeInMillis() - System.currentTimeMillis()) < 0) { 93 alarmTime.add(Calendar.DATE, 1); 94 } 95 return alarmTime; 96 } 97 } 98
