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view.setVisibility的参数

 
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android view setVisibility():
有三个参数:Parameters:visibility One of VISIBLE, INVISIBLE, or GONE,想对应的三个常量值:0、4、8
VISIBLE:0  意思是可见的
INVISIBILITY:4 意思是不可见的,但还占着原来的空间
GONE:8  意思是不可见的,不占用原来的布局空间

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