我正在使用AlarmManager
进行调度。我的闹钟已设置。但是这个警报不会调用BroadcastReceiver
来捕捉事件。我已经搜索了很多,但我还没有找到任何解决问题的方法。我张贴我的代码,请看一看,看看我是否缺少一些东西。报警管理器没有激活广播接收器?
AlarmManagerClass:
public class ScheduleMessageManager {
Context context;
PendingIntent sender;
AlarmManager am;
public ScheduleMessageManager(Context context) {
this.context = context;
}
public void addAlram(int scheduledMessageID, long scheduledTime) {
// Activate Broadcast Receiver to receive broadcasts
activateBroadcastReceiver();
//Calendar cal = Calendar.getInstance();
Intent intent = new Intent(context, AlarmReceiver.class);
// In reality, you would want to have a unique variable for the request
// code
intent.putExtra("scheduledMessageID", scheduledMessageID);
sender = PendingIntent.getBroadcast(context, scheduledMessageID, intent, PendingIntent.FLAG_UPDATE_CURRENT);
// Get the AlarmManager service
am = (AlarmManager) context.getSystemService(context.ALARM_SERVICE);
am.set(AlarmManager.RTC_WAKEUP, scheduledTime, sender);
Log.e("In ScheduleMessageManage", "***** Alarm is set to the mmessage *****");
}
public void cancelPeriodicSchedule(PendingIntent sender) {
if (am != null) {
if (sender != null) {
am.cancel(sender);
sender.cancel();
}
}
// Deactivate Broadcast Receiver to stop receiving broadcasts
deactivateBroadcastreceiver();
}
private void activateBroadcastReceiver() {
PackageManager pm = context.getPackageManager();
ComponentName componentName = new ComponentName(context, AlarmReceiver.class);
pm.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);
Toast.makeText(context, "activated", Toast.LENGTH_LONG).show();
}
private void deactivateBroadcastreceiver() {
// TODO Auto-generated method stub
PackageManager pm = context.getPackageManager();
ComponentName componentName = new ComponentName(context, AlarmReceiver.class);
pm.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);
Toast.makeText(context, "cancelled", Toast.LENGTH_LONG).show();
}
}
我AlarmReceiver:
public class AlarmReceiver extends BroadcastReceiver {
int pendingIntentID; // same as scheduledMessageID
@Override
public void onReceive(Context context, Intent intent) {
Log.e("In On Receive", "Alarm has Initiated Broadcast Receiver....");
if (intent.hasExtra("scheduledMessageID")) {
pendingIntentID = intent.getExtras().getInt("scheduledMessageID");
Intent sendMessageServiceIntent = new Intent(context, SendMessageService.class);
sendMessageServiceIntent.putExtra("pendingIntentID", pendingIntentID);
context.startService(sendMessageServiceIntent);
}
}
}
OnReceieve()
是永远调用。
在我的Manifest.xml
<receiver
android:name="myPackage.AlarmReceiver"
android:enabled="true" >
</receiver>
我无法找出确实的问题出在哪里。请帮我解决它。谢谢。!
你检查的时间,是正确的?你是否在使用GregorianCalendar – 2013-03-07 09:42:23
是的,我认为时间是正确的,因为我也将它显示在我的清单上,显示正确的时间。 – 2013-03-07 09:43:46
听起来很愚蠢,但你有没有检查过scheduleTime是未来? (这是触发报警的绝对时间,而不是报警发生前经过的时间)。对不起,如果你知道这一点,并已检查。 – 2013-03-07 09:45:03