Полный класс для отправки смс из приложения по умолчанию, а также как ваше приложение, убедитесь, принять следующее разрешение в андроида файле манифеста
<uses-permission android:name="android.permission.WRITE_SMS" />
<uses-permission android:name="android.permission.SEND_SMS"/>
Вот класс ...
public class SMSSender{
private static final Uri sentURI = Uri.parse("content://sms/sent");
public static void sendSMS(final Context context, final String phoneNumber, final String message) {
String SENT = "SMS_SENT";
String DELIVERED = "SMS_DELIVERED";
PendingIntent sentPI = PendingIntent.getBroadcast(context, 0, new Intent(
SENT), 0);
PendingIntent deliveredPI = PendingIntent.getBroadcast(context, 0,
new Intent(DELIVERED), 0);
// ---when the SMS has been sent---
context.registerReceiver(new BroadcastReceiver() {
@Override
public void onReceive(Context arg0, Intent arg1) {
context.unregisterReceiver(this);
switch (getResultCode()) {
case Activity.RESULT_OK:
ContentValues values = new ContentValues();
values.put("address", phoneNumber);// txtPhoneNo.getText().toString());
values.put("body", message);
context.getContentResolver().insert(sentURI, values);
Toast.makeText(context, "SMS sent", Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
Toast.makeText(context, "Generic failure",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_NO_SERVICE:
Toast.makeText(context, "No service",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_NULL_PDU:
Toast.makeText(context, "Null PDU",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_RADIO_OFF:
Toast.makeText(context, "Radio off",
Toast.LENGTH_SHORT).show();
break;
}
}
}, new IntentFilter(SENT));
// ---when the SMS has been delivered---
context.registerReceiver(new BroadcastReceiver() {
@Override
public void onReceive(Context arg0, Intent arg1) {
context.unregisterReceiver(this);
switch (getResultCode()) {
case Activity.RESULT_OK:
Toast.makeText(context, "SMS delivered",
Toast.LENGTH_SHORT).show();
break;
case Activity.RESULT_CANCELED:
Toast.makeText(context, "SMS not delivered",
Toast.LENGTH_SHORT).show();
break;
}
}
}, new IntentFilter(DELIVERED));
SmsManager sms = SmsManager.getDefault();
sms.sendTextMessage(phoneNumber, null, message, sentPI, deliveredPI);
}
public static void sendMessageByDefaultApp(final Context context, final String phoneNumber, final String message) {
Intent sendSmsIntent = (new Intent(Intent.ACTION_VIEW, Uri.parse("sms:"
+ phoneNumber)));
sendSmsIntent.putExtra("sms_body", message);
context.startActivity(sendSmsIntent);
}
}