Context中获取屏幕尺寸的2种方法

方法1：

1. public Point getDisplayMetrics() { 
   
2.    DisplayMetrics dm = new DisplayMetrics(); 
   
3.    dm = getApplicationContext().getResources().getDisplayMetrics(); 
   
4.    int screenWidth = dm.widthPixels; 
   
5.    int screenHeight = dm.heightPixels; 
   
6.    return new Point(screenWidth ,screenHeight );
   
7. } 
   
8. 
   
9. 方法2：
   
10. public Point getDisplayScreen() { 
    
11.    WindowManager windowManager = getWindowManager();
    
12.    Display display = windowManager.getDefaultDisplay();
    
13.    screenWidth  = display.getWidth();
    
14.    screenHeight = display.getHeight();
    
15.    return new Point(screenWidth ,screenHeight );
    
16. }