The original was wrong: two buttons on the right side to the right, the left button to fill the other space, code and pictures

 

 
android: layout_width = "match_parent" 
android: layout_height = "wrap_content"> 

I want a button on the left just occupy the remaining space
current rowHow to write?

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Reply:

  
android: layout_width = "match_parent" 
android: layout_height = "wrap_content" 
android: orientation = "horizontal"> 

Reply:

android: layout_width = "match_parent"
android: layout_height = "match_parent">

android: id = "@ + id / right"
android: layout_width = "wrap_content"
android: layout_height = "fill_parent"
android: layout_alignParentRight = "true"
android: layout_marginLeft = "1dp"
android: orientation = "horizontal">