load files runOnUiThread

LoadFiles runOnUiThread

public void loadFiles(){
        new Thread(
                new Runnable() {
                    @Override
                    public void run() {
                        final Activity activity = getActivity();
                        if(activity != null && isAdded()){
                            activity.runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                  
                                }
                            });
                        }
                    }
                }
        ).start();

    }