Android学习笔记——Handler（二）

对比请看http://blog.sina.com.cn/s/blog_78c913e30100uqmf.html

 

以下代码是MainActivity.java中的代码

package com.example.handlertest;import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;public class MainActivity extends Activity {private Handler handler = new Handler();@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);handler.post(r);//Thread t = new Thread(r);//t.start();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(10000);}catch (InterruptedException e){e.printStackTrace();}}};
}

 

以下代码是activity_main.xml中的代码

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:id="@+id/LinearLayout1"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"tools:context="${relativePackage}.${activityClass}" ><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="@string/hello_world" /></LinearLayout>