Question

Android中，怎么通过代码设置layout背景

Answer 1

setBackgroundResource(R.drawable.***);

 

设置背景有多个api

1. 设置Drawable

   Resources resources = getContext().getResources();
   Drawable btnDrawable = resources.getDrawable(R.drawable.layout_bg);
   layout.setBackgroundDrawable(btnDrawable);

2.  引用资源

   layout.setBackgroundResource(R.drawable.layout_bg);

Answer 2

android:background=

Answer 3

View view=LayoutInflate.from(context).inflate(R.layout.main,null);
view.setBackgroundResource(R.drawable.ic_launcher);