[Android]获得屏幕分辨率的两种方法20160505

1.

 WindowManager windowManager = getWindowManager();  
        Display display = windowManager.getDefaultDisplay();  
        int screenWidth =  display.getWidth();  
        int screenHeight =display.getHeight();  

2 
        DisplayMetrics dm = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);
        TextView tv = (TextView)this.findViewById(R.id.tv);
        float width=dm.widthPixels; 
        float height=dm.heightPixels;