AsyncTask

package com.example.asynctask;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

public class MainActivity extends Activity {
	
	private TextView text;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		text = (TextView) findViewById(R.id.text);
		
		MyLongTimeTask task = new MyLongTimeTask(8);
		task.execute(1000,1000);
	
	}
	
	private	class	MyLongTimeTask extends AsyncTask{
		
		public 	MyLongTimeTask(int data){
			Log.d("MyLongTimeTask", data+"");
		}

				
		@Override
		protected void onPreExecute() {
			
			Log.d("onPreExecute", "done!");
		}

		@Override
		protected Object doInBackground(Object... params) {
		
			int a = (Integer) params[0];
			int b = (Integer) params[1];
			Log.d("doInBackground", a+","+b);
			
			String result = a+"+"+b+"="+(a+b);
			
			return result;
		}


		@Override
		protected void onPostExecute(Object result) {
	
			Log.d("onPostExecute", result+"");
			text.setText(result+"");
		}
		
		
		
	}
}