设置 AlertDialog窗口的大小

 1）设置AlertDialog窗口大小的方法：       
      
 
AlertDialog dialog = new AlertDialog.Builder(this).create();
dialog.show();
WindowManager.LayoutParams params = dialog.getWindow().getAttributes();
params.width = 200;
params.height = 200 ;
dialog.getWindow().setAttributes(params);
           
   
    
      
 2）去除边框       
      
 
AlertDialog.setView(view,0,0,0,0);