Android 改变AlertDialog的大小
1 1）更改AlertDialog窗口大小的方法：
2 AlertDialog dialog = new AlertDialog.Builder(this).create();
3 dialog.show();
4 WindowManager.LayoutParams params = dialog.getWindow().getAttributes();
5 params.width = 200;
6 params.height = 200 ;
7 dialog.getWindow().setAttributes(params);
8
9 2）去除边框
10 AlertDialog.setView(view,0,0,0,0);
