安卓系统。闹钟每30分钟播放一次，从12:30开始。

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问题描述

在这里，我将使用警报服务每30分钟一次播放警报.现在我已经将它设置为每10秒钟从每个开始时播放它.

这是代码:

@Override
public void onCreate(Bundle savedInstanceState){
    super.onCreate(savedInstanceState);
    setContentView(R.layout.settings_layout);


    Intent myIntent = new Intent(SettingsActivity.this, MyAlarmService.class);
    pendingIntent = PendingIntent.getService(SettingsActivity.this, 0, myIntent, 0);

    AlarmManager alarmManager = (AlarmManager)getSystemService(ALARM_SERVICE);

    Calendar calendar = Calendar.getInstance();
    calendar.setTimeInMillis(System.currentTimeMillis());

    alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), 10*1000, pendingIntent);

}

现在问题是，我想从12:30开始闹钟从时间应用程序开始，它应该在eftt 30分钟内反复播放.就像1:00，1:30，2:00. . . ETC

那么我在代码中要做什么更改?

其他推荐答案

使用 set 方法.

当警报触发时，然后设置下一个闹钟时间并继续执行此操作，直到您不再想要报警.

您不需要服务来执行这么简单的任务. AlarmManager超出了处理此操作.

其他推荐答案

尝试它

并使用第一次 -

尝试另一个

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问题描述

Here i am going to use the alarm service to play the alarm at every 30 minutes. Right now i have set it to play it at every 10 second from the Every start.

Here is the Code:

@Override
public void onCreate(Bundle savedInstanceState){
    super.onCreate(savedInstanceState);
    setContentView(R.layout.settings_layout);


    Intent myIntent = new Intent(SettingsActivity.this, MyAlarmService.class);
    pendingIntent = PendingIntent.getService(SettingsActivity.this, 0, myIntent, 0);

    AlarmManager alarmManager = (AlarmManager)getSystemService(ALARM_SERVICE);

    Calendar calendar = Calendar.getInstance();
    calendar.setTimeInMillis(System.currentTimeMillis());

    alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), 10*1000, pendingIntent);

}

Now the Problem is, I want to start the alarm from the 12:30 not from the time application start and it should repeatedly play at evert 30 minutes. like 1:00, 1:30, 2:00 . . . etc

So what changes i have to do in my code ?

其他推荐答案

Set your initial alarm time for 12:30 using the Set method.

When the alarm fires, then set up your next alarm time and keep doing that until you don't want the alarm any more.

You don't need a service to do such a simple task. AlarmManager is more than capable of handling this.

其他推荐答案

Try it

And Use first time -

Try another

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