package com.example.asynctest;

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

public class MainActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        new Outer().execute();
    }

    class Outer extends AsyncTask<String, String, String> {
        @Override
        protected String doInBackground(String... params) {
            System.out.println("Outer.start!");
            new Inner().execute();
            return null;
        }

    }

    class Inner extends AsyncTask<String, String, String> {
        @Override
        protected String doInBackground(String... params) {
            System.out.println("Inner.start!");
            return null;
        }

    }
}