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Getting multiple streams from intentions?

http://mobiforge.com/developing/story/sms-messaging-android

I used the example code in the link above, my own application for sending SMS, but I ran into a problem while checking the sent status of my message. What happens, a toast message will appear for each message I tried to send. So basically, let's say I already sent 3 messages. When I go to send my 4th message, the toast message will appear 4 times. Does BroadcastReceiver seem to be getting the same broadcast from all the intentions that have been used so far? I can’t understand why this is happening, or how to stop it. Any help or understanding will be greatly appreciated!

Here is the specific method that calls this:

 //---sends an SMS message to another device---
private void sendSMS(String phoneNumber, String message)
{        
    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(), "Generic failure", 
                            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));

    //---when the SMS has been delivered---
    registerReceiver(new BroadcastReceiver(){
        @Override
        public void onReceive(Context arg0, Intent arg1) {
            switch (getResultCode())
            {
                case Activity.RESULT_OK:
                    Toast.makeText(getBaseContext(), "SMS delivered", 
                            Toast.LENGTH_SHORT).show();
                    break;
                case Activity.RESULT_CANCELED:
                    Toast.makeText(getBaseContext(), "SMS not delivered", 
                            Toast.LENGTH_SHORT).show();
                    break;                        
            }
        }
    }, new IntentFilter(DELIVERED));        

    SmsManager sms = SmsManager.getDefault();
    sms.sendTextMessage(phoneNumber, null, message, sentPI, deliveredPI);        
}
+5
2

new BroadcastReceiver(){ , sendSMS, , sendSMS. unregister(this); BroadcastReceiver, Broadcast . + onResume() unregister onPause().

-,

- pendingIntent, Android ...
,

 PendingIntent deliveredPI = PendingIntent.getBroadcast(this, uniqueIdPerSMS++,
    new Intent(DELIVERED), PendingIntent.FLAG_CANCEL_CURRENT);
+9

PI, , , , sms Pi ( , ).

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