Android设置Activity(界面)为全屏显示的两种方法 xml和java程序

 转自:http://my.oschina.net/u/996206/blog/121786

 

方法2在4.4等一些版本,执行会异常终止,推荐使用方法1.

全屏显示代码见字体加粗部分

1. 方法1:AndroidManifest.xml 里,Activity的 android:theme  指定为" @android :style/Theme.NoTitleBar.Fullscreen"

示例:  
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme=" @android :style/Theme.NoTitleBar.Fullscreen" >
                    android:name=".MainActivity">
           
               

               
           

       

   


 2. 方法2: 在onCreate()里指定No title
要加入:
 
      /*set it to be no title*/
      requestWindowFeature(Window.FEATURE_NO_TITLE);
       /*set it to be full screen*/
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,   
        WindowManager.LayoutParams.FLAG_FULLSCREEN); 

/*   //也可以如下格式
      /*set it to be no title*/
     this. requestWindowFeature(Window.FEATURE_NO_TITLE);
       /*set it to be full screen*/ 
       this. getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,   
        WindowManager.LayoutParams.FLAG_FULLSCREEN);
*/

 

 


示例:
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        /*set it to be no title*/
        requestWindowFeature(Window.FEATURE_NO_TITLE);  
        
        /*set it to be full screen*/
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,   
        WindowManager.LayoutParams.FLAG_FULLSCREEN);
                        
        setContentView(R.layout.activity_main);

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