android 短信是否发送成功

PendingIntent sentIntent = PendingIntent.getBroadcast(getApplicationContext(), 0, new Intent(SENT_SMS_ACTION), 0);
manager.sendTextMessage(num, null, content, sentIntent, null);//判断是否发送成功

<receiver android:name=".AutoSendMessageBroadcastReceiver">
<intent-filter android:priority="1000">
<action android:name="android.intent.action.SENT_SMS_ACTION"/>
</intent-filter>
</receiver>

public class AutoSendMessageBroadcastReceiver extends BroadcastReceiver {

@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
switch (getResultCode()) {

case -1:
Toast.makeText(context, "短信发送成功", Toast.LENGTH_SHORT).show();
break;

case 0:
Toast.makeText(context, "发送失败", Toast.LENGTH_LONG).show();
break;

default:

break;
}
}

}