protected void onCreate(Bundle savedInstanceState) {

    FacebookSdk.sdkInitialize(getApplicationContext());
    Parse.initialize(this, "x","x");

      ParseInstallation.getCurrentInstallation().saveInBackground();
    ParsePush.subscribeInBackground("", new SaveCallback() {
          @Override
          public void done(ParseException e) {
            if (e == null) {
              Log.d("com.parse.push", "successfully subscribed to the broadcast channel.");
            } else {
              Log.e("com.parse.push", "failed to subscribe for push", e);
            }
          }
        });


         super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);