@Override
protected void onResume() {
super.onResume();
// If the alarm was deleted at some point, disable snooze.
// 如果闹铃被删除了，则禁用贪睡
if (TimerMgr.getTimer(mTimer.getTimerDef().getID()) == null) {
Button snooze = (Button) findViewById(R.id.snooze);
snooze.setEnabled(false);
}
}
// Dismiss the alarm.
// 当闹铃响时，用户按下解除按钮时，调用此方法
private void dismiss(boolean killed) {
// The service told us that the alarm has been killed, do not modify
// the notification or stop the service.
if (!killed) {
// Cancel the notification and stop playing the alarm
// 取消通知栏消息
NotificationManager nm = getNotificationManager();
nm.cancel(mTimer.getTimerDef().getID());
stopService(new Intent(TimerMgr.ALARM_ALERT_ACTION));
// 如果设置了间隔提醒，则不能停止闹铃
if (mTimer.getTimerDef().getMaxCount() == 1) {
TimerMgr.disableSnoozeTimer(this, mTimer);
}
}
finish();
}
// Attempt to snooze this alert.
// 当闹铃响时，用户按下贪睡按钮时，调用此方法
private void snooze() {
// Do not snooze if the snooze button is disabled.
// 打盹按钮被禁用，则直接返回
if (!findViewById(R.id.snooze).isEnabled()) {
dismiss(false);
return;
}
// 获取打盹时长:默认为10分钟
final String snooze =
PreferenceManager.getDefaultSharedPreferences(this)
.getString(ConfigurationActivity.KEY_ALARM_SNOOZE, DEFAULT_SNOOZE);
int snoozeMinutes = Integer.parseInt(snooze);
// 下一次闹铃时间
final long snoozeTime = System.currentTimeMillis() + (1000 * 60 * snoozeMinutes);
TimerMgr.saveSnoozeTimer(AlarmAlertFullScreen.this, mTimer, snoozeMinutes);
// Get the display time for the snooze and update the notification.
final Calendar c = Calendar.getInstance();
c.setTimeInMillis(snoozeTime);
// Append (snoozed) to the label.
// 在label后面增加:(snoozed)
String label = mTimer.getName();
label = getString(R.string.alarm_notify_snooze_label, label);
// Notify the user that the alarm has been snoozed.
// 用于下面的通知栏，当用户点击通知栏通知时，则取消打盹
Intent cancelSnooze = new Intent(this, AlarmReceiver.class);
cancelSnooze.setAction(TimerMgr.CANCEL_SNOOZE);
cancelSnooze.putExtra(TimerMgr.ALARM_ID, mTimer.getID());
// 获取一个PendingIntent，即将mAlarm.id广播给cancelSnooze
PendingIntent broadcast = PendingIntent.getBroadcast(this, mTimer.getID(), cancelSnooze, 0);
NotificationManager nm = getNotificationManager();
Notification n = new Notification(R.drawable.stat_notify_alarm, label, 0);
// 在此处设置在nority列表里的该norifycation得显示情况。点击后则执行broadcast取消打盹
n.setLatestEventInfo(
this,
label,
getString(
R.string.alarm_notify_snooze_text, // Alarm set for %s. Select to cancel.
Util.formatTime(c)),
broadcast);
// FLAG_AUTO_CANCEL 用户点击后自动取消
// FLAG_ONGOING_EVENT 将此通知放到通知栏的"Ongoing"即"正在运行"组中
n.flags |= Notification.FLAG_AUTO_CANCEL | Notification.FLAG_ONGOING_EVENT;
nm.notify(mTimer.getTimerDef().getID(), n);
// Snoozing for %d minutes.
String displayTime = getString(R.string.alarm_alert_snooze_set, snoozeMinutes);
// Intentionally log the snooze time for debugging.
// Display the snooze minutes in a toast.
Toast.makeText(AlarmAlertFullScreen.this, displayTime, Toast.LENGTH_LONG).show();
// 停止AlarmAlert服务
stopService(new Intent(TimerMgr.ALARM_ALERT_ACTION));
finish();
}