Android程序中欢迎界面

 1 import cn.nedu.math.ninebox.R;
 2 import android.app.Activity;
 3 import android.content.Intent;
 4 import android.content.res.Configuration;
 5 import android.os.Bundle;
 6 import android.os.Handler;
 7 import android.os.Message;
 8 import android.view.Window;
 9 import android.view.WindowManager;
10 
11 public class Welcome extends Activity {
12     private Handler handler;
13 
14     @Override
15     public void onCreate(Bundle savedInstanceState) {
16         super.onCreate(savedInstanceState);
17          //设置全屏
18         this.requestWindowFeature(Window.FEATURE_NO_TITLE);  //去掉标题栏（应用程序的名字）
19         getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,  //隐去状态栏部分(电池等图标和一切修饰部分)
20                 WindowManager.LayoutParams.FLAG_FULLSCREEN);
21         
22     //启动一个线程加载欢迎界面
23         setContentView(R.layout.welcome);
24         handler = new Handler() {
25             public void handleMessage(Message msg) {
26                 if (msg.arg1 == 1) {
27                     Intent intent = new Intent();
28                     intent.setClass(Welcome.this, DengLu.class);
29                     startActivity(intent);
30                     finish();
31                 }
32             }
33         };
34         new Thread() {
35             public void run() {
36                 // TODO Auto-generated method stub
37                 try {
38                     sleep(1500);     //线程暂停1.5秒，单位毫秒
39                     Message msg = handler.obtainMessage();
40                     msg.arg1 = 1;
41                     handler.sendMessage(msg);  //发送消息
42                 } catch (InterruptedException e) {
43                     // TODO Auto-generated catch block
44                     e.printStackTrace();
45                 }
46             }
47         }.start();   //在需要的地方启动线程
48     } 
49                 //当屏幕显示(横屏竖屏发生切换时)调用的方法
50     public void onConfigurationChanged(Configuration newConfig) {
51 
52         super.onConfigurationChanged(newConfig);
53     }
54 }