GcmShowNotificationReceiver.java

package com.zulip.android.gcm;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.support.v4.content.WakefulBroadcastReceiver;

public class GcmShowNotificationReceiver extends WakefulBroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        // Explicitly specify that GcmIntentService will handle the intent.
        ComponentName comp = new ComponentName(context.getPackageName(),
                GcmIntentService.class.getName());

        // Start the service, keeping the device awake while it is launching.
        startWakefulService(context, intent.setComponent(comp));
    }

}