DemoActivity.java

package com.example.demolhh;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;

public class MainActivity extends Activity {

    private LoadHideHelper mHideHelper;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mHideHelper = new LoadHideHelper(findViewById(R.id.textView));
        new DummyAsyncTask().execute();
    }

    public class DummyAsyncTask extends AsyncTask<Void, Void, Void> {

        @Override
        protected Void doInBackground(Void... voids) {
            try {
                // Simulates loading data
                Thread.sleep(3000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            return null;
        }

        @Override
        protected void onPostExecute(Void aVoid) {
            mHideHelper.show();
        }
    }
    
}