public synchronized void gcmSetup(Activity activity) {
LoginManager loginManager = new LoginManager(context);
Log.i(LOG_TAG, "Setting up GCM");
if (checkPlayServices()) {
GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(context);
String regid = loginManager.getRegistrationId();
Log.i(LOG_TAG, "Current registration ID on device: " + regid);
if (regid.isEmpty() || regid == null) {
RegisterGcmTask gcmTask = new RegisterGcmTask(activity);
gcmTask.execute();
}
} else {
Log.i(LOG_TAG, "No valid Google Play Services APK found.");
}
if (loginManager.checkLogin()) activity.finish();
}
