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[英]Broadcast receiver that listens to the network only works after exiting and restarting the app
[英]Broadcast receiver only works when app is opened
嗨,我創建了一個自動短信應用程序,當收到firebase通知時,該應用程序會自動發送短信。 我可以發送擴展FirebaseMessagingService
SMS。 現在,要獲取發送狀態,我在主要活動中創建了一個廣播接收器。 在這里,我僅在打開App時才能獲得SMS發送狀態。 即使應用程序是背景,我也需要得到它。
我的收件人是:
private BroadcastReceiver receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String message = null;
switch (getResultCode()) {
case Activity.RESULT_OK:
message = "Message sent!";
Log.e("DATA", message);
unregisterReceiver(receiver);
break;
case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
message = "Error. Message not sent.";
Log.e("DATA", message);
unregisterReceiver(receiver);
break;
case SmsManager.RESULT_ERROR_NO_SERVICE:
message = "Error: No service.";
Log.e("DATA", message);
unregisterReceiver(receiver);
break;
case SmsManager.RESULT_ERROR_NULL_PDU:
message = "Error: Null PDU.";
Log.e("DATA", message);
unregisterReceiver(receiver);
break;
case SmsManager.RESULT_ERROR_RADIO_OFF:
message = "Error: Radio off.";
Log.e("DATA", message);
unregisterReceiver(receiver);
break;
}
}
};
在onCreate中注冊接收者:
registerReceiver(receiver, new IntentFilter(Constants.SMS_SENT));
我的Firebase服務使用以下方式發送短信:
private void sendSms(String phonenumber[],String message)
{
SmsManager manager = SmsManager.getDefault();
PendingIntent piSend = PendingIntent.getBroadcast(this, 0, new Intent(Constants.SMS_SENT), 0);
PendingIntent piDelivered = PendingIntent.getBroadcast(this, 0, new Intent(Constants.SMS_DELIVERED), 0);
int length = message.length();
if(length > MAX_SMS_MESSAGE_LENGTH)
{
ArrayList<String> messagelist = manager.divideMessage(message);
for(String number : phonenumber) {
manager.sendMultipartTextMessage(number, null, messagelist, null, null);
}
}
else
{
for(String number : phonenumber) {
manager.sendTextMessage(number, null, message, piSend, piDelivered);
}
}
}
您在清單類中注冊了嗎? 如果沒有,請在清單中注冊您的廣播,並使用單獨的類進行廣播,您可以從此處了解更多信息。 https://www.c-sharpcorner.com/UploadFile/8836be/how-to-create-global-broadcast-receiver-and-test-service-in/
如果要在onPause()中注銷接收器,則可能無法正常工作。 嘗試將注銷代碼移動到onStop()或onDestroy()
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