LinearLayout 如何动态设置 margin？

LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);  
lp.setMargins(10, 20, 30, 40);  
imageView.setLayoutParams(lp);  

动态的设置margin 

给params  设置

原文：http://blog.csdn.net/love_javc_you/article/details/45077161