app/src/main/java/com/test/MyCustomReceiver.java

package com.test;

import org.json.JSONException;
import org.json.JSONObject;

import android.app.NotificationManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.support.v4.app.NotificationCompat;
import android.support.v4.content.LocalBroadcastManager;
import android.util.Log;

import java.util.Iterator;

public class MyCustomReceiver extends BroadcastReceiver {
    private static final String TAG = "MyCustomReceiver";
    public static final String intentAction = "com.parse.push.intent.RECEIVE";

    @Override
    public void onReceive(Context context, Intent intent) {
        if (intent == null) {
            Log.d(TAG, "Receiver intent null");
        } else {
            // Parse push message and handle accordingly
            processPush(context, intent);
        }
    }

    private void processPush(Context context, Intent intent) {
        String action = intent.getAction();
        Log.d(TAG, "got action " + action);
        if (action.equals(intentAction)) {
            String channel = intent.getExtras().getString("com.parse.Channel");
            try {
                JSONObject json = new JSONObject(intent.getExtras().getString("com.parse.Data"));
                Log.d(TAG, "got action " + action + " on channel " + channel + " with:");
                // Iterate the parse keys if needed
                Iterator<String> itr = json.keys();
                while (itr.hasNext()) {
                    String key = (String) itr.next();
                    String value = json.getString(key);
                    Log.d(TAG, "..." + key + " => " + value);
                    // Extract custom push data
                    if (key.equals("customdata")) {
                        // create a local notification
                        createNotification(context, value);
                    } else if (key.equals("launch")) {
                        // Handle push notification by invoking activity directly
                        launchSomeActivity(context, value);
                    } else if (key.equals("broadcast")) {
                        // OR trigger a broadcast to activity
                        triggerBroadcastToActivity(context, value);
                    }
                }
            } catch (JSONException ex) {
                Log.d(TAG, "JSON failed!");
            }
        }
    }

    public static final int NOTIFICATION_ID = 45;
    // Create a local dashboard notification to tell user about the event
    // See: http://guides.codepath.com/android/Notifications
    private void createNotification(Context context, String datavalue) {
        NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context).setSmallIcon(
                R.drawable.ic_launcher).setContentTitle("Notification: " + datavalue).setContentText("Pushed!");
        NotificationManager mNotificationManager = (NotificationManager) context
                .getSystemService(Context.NOTIFICATION_SERVICE);
        mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());
    }

    // Handle push notification by invoking activity directly
    // See: http://guides.codepath.com/android/Using-Intents-to-Create-Flows
    private void launchSomeActivity(Context context, String datavalue) {
        Intent pupInt = new Intent(context, ShowPopUp.class);
        pupInt.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        pupInt.putExtra("data", datavalue);
        context.getApplicationContext().startActivity(pupInt);
    }

    // Handle push notification by sending a local broadcast
    // to which the activity subscribes to
    // See: http://guides.codepath.com/android/Starting-Background-Services#communicating-with-a-broadcastreceiver
    private void triggerBroadcastToActivity(Context context, String datavalue) {
        Intent intent = new Intent(intentAction);
        intent.putExtra("data", datavalue);
        LocalBroadcastManager.getInstance(context).sendBroadcast(intent);
    }
}