Android 短信广播接收器接收多次?
我在应用程序中使用sms广播接收器。当我发送第一条短信时,它会弹出一条短信作为短信发送。当我发送第二个请求时,弹出消息会加倍。第三次是三倍,以此类推。我使用以下代码发送和接收广播Android 短信广播接收器接收多次?,android,sms,broadcastreceiver,Android,Sms,Broadcastreceiver,我在应用程序中使用sms广播接收器。当我发送第一条短信时,它会弹出一条短信作为短信发送。当我发送第二个请求时,弹出消息会加倍。第三次是三倍,以此类推。我使用以下代码发送和接收广播 private void sendRequest() { String SENT = "SMS_SENT"; String DELIVERED = "SMS_DELIVERED"; PendingIntent sentPI = Pending
private void sendRequest()
{
String SENT = "SMS_SENT";
String DELIVERED = "SMS_DELIVERED";
PendingIntent sentPI = PendingIntent.getBroadcast(this, 0,
new Intent(SENT), 0);
PendingIntent deliveredPI = PendingIntent.getBroadcast(this, 0,
new Intent(DELIVERED), 0);
//---when the SMS has been sent---
registerReceiver(new BroadcastReceiver(){
@Override
public void onReceive(Context arg0, Intent arg1) {
switch (getResultCode())
{
case Activity.RESULT_OK:
Toast.makeText(getBaseContext(), "SMS sent",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
Toast.makeText(getBaseContext(), "Invalid PhoneNumber",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_NO_SERVICE:
Toast.makeText(getBaseContext(), "No service",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_NULL_PDU:
Toast.makeText(getBaseContext(), "Null PDU",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_RADIO_OFF:
Toast.makeText(getBaseContext(), "Radio off",
Toast.LENGTH_SHORT).show();
break;
}
}
}, new IntentFilter(SENT));
SmsManager sms = SmsManager.getDefault();
sms.sendTextMessage(sms_phonenumber, null, sms_message, sentPI, null);
我不确定这是否会发生。我正在从mainactivity发送短信
感谢大家的帮助。看起来不错,因为每次你呼叫
sendRequest
时,你都会再次注册BroadcastReceiver
您应该只注册一次BroadcastReceiver
,并且在活动开始之前应该取消注册
只在
onStart
和onStop
中注册和取消注册工作一次,就像在中一样,谢谢您的回答。。如果你能让我知道如何取消注册上述代码..做注册和取消注册的工作只有一次在onStart和onStop。。。或者把广播接收器放在XML里哦我有东西给你