package com.lei.handlethread;

import android.os.Bundle;

import android.os.Handler;

import android.app.Activity;

import android.view.Menu;

import android.widget.Button;

public class MainActivity extends Activity {

    private Button btn = null;

    private Handler handler = new Handler();

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        handler.post(r);

        setContentView(R.layout.activity_main);

        btn = (Button)findViewById(R.id.hello);// 用来验证setContentView（）先执行的。

        String s=(String) btn.getText();//

        System.out.println(s);

        System.out.println("activity--->"+Thread.currentThread().getId());

        System.out.println("Activityname--->"+Thread.currentThread().getName());

    }

    Runnable  r = new Runnable() {

         public void run() {

                System.out.println("handler--->"+Thread.currentThread().getId());

                System.out.println("handlername--->"+Thread.currentThread().getName());

                try {

                    Thread.sleep();

                } catch (InterruptedException e) {

                    // TODO Auto-generated catch block

                    e.printStackTrace();

                }

         }

    };

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        getMenuInflater().inflate(R.menu.activity_main, menu);

        return true;

    }

}