android獲得屏幕高度和寬度

1、

WindowManager wm = (WindowManager) getContext()

                    .getSystemService(Context.WINDOW_SERVICE);



     int width = wm.getDefaultDisplay().getWidth();

     int height = wm.getDefaultDisplay().getHeight();

2、

WindowManager wm = this.getWindowManager();



     int width = wm.getDefaultDisplay().getWidth();

     int height = wm.getDefaultDisplay().getHeight();