android获取屏幕的高度和宽度用到WindowManager这个类，两种方法：

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();