Android SMSHelper

SMSHelper

import android.app.Activity;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.telephony.SmsManager;
import android.util.Log;

/**
 * Created by ceosilvajr on 6/4/15.
 */
public class SMSHelper {

    private static final String TAG = "SMSHelper";

    private Activity mActivity;
    private SMSCallBack mSMSmsCallBack;

    public SMSHelper(Activity mActivity, SMSCallBack smsCallBack) {
        this.mActivity = mActivity;
        this.mSMSmsCallBack = smsCallBack;
    }

    public void sendMessage(String receipient, String message) {

        mSMSmsCallBack.onStart();

        String SENT = "SMS_SENT";
        String DELIVERED = "SMS_DELIVERED";

        PendingIntent sentPI = PendingIntent.getBroadcast(mActivity, 0,
                new Intent(SENT), 0);

        PendingIntent deliveredPI = PendingIntent.getBroadcast(mActivity, 0,
                new Intent(DELIVERED), 0);

        mActivity.registerReceiver(new BroadcastReceiver() {
            @Override
            public void onReceive(Context arg0, Intent arg1) {

                mSMSmsCallBack.onFinish();

                if (getResultCode() == Activity.RESULT_OK) {
                    Log.d(TAG, "SMS sent");
                    mSMSmsCallBack.onSent();
                    return;
                }
                switch (getResultCode()) {
                    case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
                        mSMSmsCallBack.onError("Generic Failure");
                        Log.d(TAG, "Generic failure");
                        break;
                    case SmsManager.RESULT_ERROR_NO_SERVICE:
                        mSMSmsCallBack.onError("No service");
                        Log.d(TAG, "No service");
                        break;
                    case SmsManager.RESULT_ERROR_NULL_PDU:
                        mSMSmsCallBack.onError("Null PDU");
                        Log.d(TAG, "Null PDU");
                        break;
                    case SmsManager.RESULT_ERROR_RADIO_OFF:
                        mSMSmsCallBack.onError("Radio off");
                        Log.d(TAG, "Radio off");
                        break;
                    default:
                        mSMSmsCallBack.onError("Failed to sent your request.");
                        break;
                }
            }
        }, new IntentFilter(SENT));

        //---when the SMS has been delivered---
        mActivity.registerReceiver(new BroadcastReceiver() {
            @Override
            public void onReceive(Context arg0, Intent arg1) {
                switch (getResultCode()) {
                    case Activity.RESULT_OK:
                        Log.d(TAG, "SMS delivered");
                        mSMSmsCallBack.onMessageDelivered();
                        break;
                    case Activity.RESULT_CANCELED:
                        Log.d(TAG, "SMS not delivered");
                        mSMSmsCallBack.onMessageNotDelivered();
                        break;
                }
            }
        }, new IntentFilter(DELIVERED));

        SmsManager sms = SmsManager.getDefault();
        sms.sendTextMessage(receipient, null, message, sentPI, deliveredPI);

    }

    public interface SMSCallBack {

        void onStart();

        void onFinish();

        void onError(String message);

        void onSent();

        void onMessageDelivered();

        void onMessageNotDelivered();
    }

}