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我在这里遗漏了一些东西,我希望有人能帮助我。我正在使用以下设置闹钟:
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
Intent broadcast_intent = new Intent(this, AlarmBroadcastReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, broadcast_intent, 0);
broadcast_intent.putExtra("test", "ValueReceived"); //data to pass
Date date = someVariable.getDateTime();
long triggerAtTime = date.getTime();
alarmManager.set(AlarmManager.RTC_WAKEUP, triggerAtTime, pendingIntent);
和使用以下内容的广播接收器:
public class AlarmBroadcastReceiver extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent intent) {
Toast.makeText(context, "Alarm has been received "+intent.getStringExtra("test"), Toast.LENGTH_LONG).show();
}
}
但是 Intent 显然是“空的”。我看到 getStringExtra 的空值。所以数据没有传递给广播接收器。我究竟做错了什么?如何传递数据。
非常感谢
最佳答案
在将 Intent 传递给 PendingIntent 之前,您需要将额外内容添加到 Intent:
Intent broadcast_intent = new Intent(this, AlarmBroadcastReceiver.class);
broadcast_intent.putExtra("test", "ValueReceived"); //data to pass
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, broadcast_intent, 0);
关于android - 向报警管理器广播接收器发送数据,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/12470453/
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