package com.example.Handler;

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

public class HandlerActivity extends Activity {
    protected TextView tv;
    protected String str;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        tv = (TextView) findViewById(R.id.text);
        setContentView(R.layout.main);
        new AsyncTest().execute();
    }



class AsyncTest extends AsyncTask<Void, Void, Void>
{
    @Override
    protected Void doInBackground(Void... params) {
        // TODO Auto-generated method stub
        for(int i =0; i < 100; i++)
        {
            try{
                str = Integer.toString(i);
                Thread.sleep(1000);
                publishProgress();
            }
            catch(Exception e){}
        }
        return null;
    }

    @Override
    protected void onPostExecute(Void result) {
        // TODO Auto-generated method stub
        super.onPostExecute(result);
        tv.setText("done");
    }

    @Override
    protected void onProgressUpdate(Void... values) {
        // TODO Auto-generated method stub
        super.onProgressUpdate(values);
        tv.setText(str);
    }

}

}