Android實現自動換屏

Android實現自動換屏:

1. /** 
2.      * 獲取屏幕的方向 
3.      * @param activity 
4.      * @return 
5.      */  
6.     public static int screenOrient(Activity activity)  
7.     {  
8.         int orientation = activity.getRequestedOrientation();  
9.         if(orientation != ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE   
10.                 && orientation != ActivityInfo.SCREEN_ORIENTATION_PORTRAIT)  
11.         {  
12.             //寬>高為橫屏,反則為豎屏    
13.             WindowManager manager = activity.getWindowManager();  
14.             Display display = manager.getDefaultDisplay();  
15.             int height = display.getHeight();  
16.             int width = display.getWidth();  
17.             orientation = width > height?ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;  
18.         }  
19.         return orientation;  
20.     }   
    

1. /** 
2.      * 自動換屏的方法 
3.      * @param activity   
4.      * @param view 
5.      * @param Background_v 
6.      * @param Background_h 
7.      */  
8.     public static void autoBackground(Activity activity,View view,int Background_v, int Background_h)  
9.     {  
10.         int orient = screenOrient(activity);  
11.         if (orient == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT)  
12.         {  
13.             //縱向   
14.             view.setBackgroundResource(R.drawable.bg);  
15.         }else {  
16.             //橫向   
17.             view.setBackgroundResource(R.drawable.bg);  
18.         }  
19.     }  
    

1. public void onCreate(Bundle savedInstanceState) {  
2.        super.onCreate(savedInstanceState);  
3.        requestWindowFeature(Window.FEATURE_NO_TITLE);  
4.        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);  
5.        setContentView(R.layout.main);  
6.          
7.        LinearLayout layout = (LinearLayout)findViewById(R.id.layout);  
8.        autoBackground(this, layout, R.drawable.bg, R.drawable.bg);  
9.    }