public void onStart() {
super.onStart();
if (App42GCMController.isPlayServiceAvailable(this)) {
App42GCMController.getRegistrationId(MainActivity.this, GoogleProjectNo);
} else {
Log.i("App42PushNotification", "No valid Google Play Services APK found.");
}
}
/**
* @param context
* @param googleProjectNo
* @param callBack
*/
@SuppressLint("NewApi")
public static void getRegistrationId(
Context context, String googleProjectNo, App42GCMListener callBack) {
GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(context);
String regid = App42GCMController.getRegistrationId(context);
if (regid.isEmpty()) {
registeronGCM(context, googleProjectNo, gcm, callBack);
} else callBack.onGCMRegistrationId(regid);
}