在main.xml中：
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#000000"
android:orientation="vertical"
android:gravity="center_horizontal">
<AnalogClock
android:id="@+id/myAnalogClock"
android:layout_marginTop="8dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<TextView
android:id="@+id/info"
android:gravity="center_horizontal"
android:layout_marginTop="20dp"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textColor="#ffffff"
android:textSize="20dp"/>
</LinearLayout>
在MyAnalogClockThreadDemo.java中：
package com.li.analogclockthread;
import java.text.SimpleDateFormat;
import java.util.Date;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.app.Activity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
import android.support.v4.app.NavUtils;
public class MyAnalogClockThreadDemo extends Activity {
private TextView info = null;
private static final int SET = 1; //标记
private Handler handler = new Handler(){
@Override
public void handleMessage(Message msg) {
switch(msg.what){
case SET:
MyAnalogClockThreadDemo.this.info
.setText("当前时间为：" + msg.obj.toString());
break;
}
}
};
private class ClockThread implements Runnable{
public void run() {
while(true){ //一直更新
Message msg = MyAnalogClockThreadDemo.this.handler.obtainMessage(
MyAnalogClockThreadDemo.SET,new SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss").format(new Date()));
MyAnalogClockThreadDemo.this.handler.sendMessage(msg); //发送信息
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
super.setContentView(R.layout.main);
this.info = (TextView)super.findViewById(R.id.info);
new Thread(new ClockThread()).start(); //启动线程
}
}