获取手机屏幕大小两种方法

第一种：

 public Point getDisplayMetrics() {   
    DisplayMetrics dm = new DisplayMetrics();   
    dm = getApplicationContext().getResources().getDisplayMetrics();   
    int screenWidth = dm.widthPixels;   
    int screenHeight = dm.heightPixels;   
    return new Point(screenWidth ,screenHeight );  
 }

第二种：

    public Point getDisplayScreen() {   
       WindowManager windowManager = getWindowManager();  
       Display display = windowManager.getDefaultDisplay();  
       screenWidth  = display.getWidth();  
       screenHeight = display.getHeight();  
       return new Point(screenWidth ,screenHeight );  
    }