转自:http://blog.csdn.net/yayun0516/article/details/43115219
.xml代码如下:
- <?xml version="1.0" encoding="utf-8"?>
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- android:orientation="vertical" >
- <AnalogClock
- android:id="@+id/myAnalogClock"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"/>
- <TextView
- android:id="@+id/info"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="" />
- </LinearLayout>
.java程序代码如下:
- package org.lxh.demo;
- import java.util.Date;
- import java.text.SimpleDateFormat;
- import android.app.Activity;
- import android.os.Bundle;
- import android.os.Handler;
- import android.os.Message;
- import android.widget.TextView;
- public class Hello extends Activity {
- private TextView info = null;
- private static final int SET = 1;
- private Handler handler = new Handler() {
- @Override
- public void handleMessage(Message msg) {
- switch (msg.what) {
- case SET:
- Hello.this.info.setText("当前时间为:" + msg.obj.toString());
- break;
- }
- }
- };
- private class ClockThread implements Runnable {//显示时间的线程类
- public void run() {
- while (true) {
- try {
- Message msg = Hello.this.handler.obtainMessage(Hello.SET,
- new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")
- .format(new Date()));
- Hello.this.handler.sendMessage(msg);
- Thread.sleep(1000);
- } catch (Exception e) {
- }
- }
- }
- }
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState); // 生命周期方法
- super.setContentView(R.layout.main); // 设置要使用的布局管理器
- this.info = (TextView) super.findViewById(R.id.info);
- new Thread(new ClockThread()).start();//启动线程
- }
- }