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[英]Android BroadcastReceiver not receiving BOOT_COMPLETED event
[英]Set Multiple Alarms on BOOT_COMPLETED in Android
我正在嘗試從BOOT_COMPLETED上的數據庫中提取一些任務,並為每個任務設置警報。 警報管理器配置為在AndroidMAnifest文件中接收BOOT_COMPLETED。
有時我會通過SMS獲得這些任務,所以我有一個brodcastreceiver用於短信接收和處理,它會建立任務列表並調用AlarmManager.setAlarms()。
我想知道,從SMSReceiver的OnReceive()方法調用setAlarams可以正常工作,但是在Boot_Completed上從AlarmManager的OnReceive()方法調用時,setAlarams無法正常工作。 它只設置一個警報,而忽略其余列表!
有什么幫助嗎?
提前致謝
public class AlarmManager extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
List <Task> taskList= db.loadFromDB();
setAlarms(context, taskList);
}
public static void setAlarms(Context context, List<Task> taskList) {
for each task in taskList{
int pendingIntentRequestCode = task.getid();;
Intent myIntent = new Intent(context, AlarmReceiver.class);
myIntent.putExtra("taskName", task.getName());
myIntent.putExtra("taskHour", task.getHour));
myIntent.putExtra("taskMinute", task.getMinute());
PendingIntent pendingIntent = PendingIntent.getBroadcast(context,
pendingIntentRequestCode,
myIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
alarmManager.set(AlarmManager.RTC_WAKEUP,alarmTime, pendingIntent );
}
}
}
public class AlarmReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String taskName = intent.getStringExtra("taskName");
int taskHour = intent.getIntExtra("taskHour", -1);
int taskMinute = intent.getIntExtra("taskMinute", -1);
Intent alarmIntent = new Intent(AlarmClock.ACTION_SET_ALARM);
alarmIntent.putExtra(AlarmClock.EXTRA_MESSAGE, taskName);
alarmIntent.putExtra(AlarmClock.EXTRA_HOUR, ataskHour);
alarmIntent.putExtra(AlarmClock.EXTRA_MINUTES, taskMinute);
alarmIntent.putExtra(AlarmClock.EXTRA_SKIP_UI, true);
alarmIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(alarmIntent);
}
}
public class SMSReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Bundle bundle = intent.getExtras();
SmsMessage[] msgs = null;
String messageReceived = "";
if (bundle != null) {
Object[] pdus = (Object[]) bundle.get("pdus");
msgs = new SmsMessage[pdus.length];
for (int i = 0; i < msgs.length; i++) {
msgs[i] = SmsMessage.createFromPdu((byte[]) pdus[i]);
messageReceived += msgs[i].getMessageBody().toString();
sender = msgs[i].getOriginatingAddress();
messageReceived += "\n";
}
List <Task> taskList = MakeTaskListFromReceivedSMS(messageReceived);
AlarmManager.setAlarms(context, taskList);
}
}
}
根據文檔 :
如果已經為同一IntentSender安排了警報,則將首先將其取消。
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