In the Android full screen activity template, why does the empty style change the look of the button? -


This button is set in the XML layout of the activity such as: 

  & Lt; Button android: id = "@ + id / dummy_button" style = "? ButtonBarButtonStyle" Android: layout_width = "0dp" Android: layout_height = "wrap_content" Android: layout_weight = "1" android: text = "@ string / dummy_button" / & Gt;

The focus part is the style = "button button button style" . Definitions for the style of the query are defined in styles.xml: 

  & lt; Style name = "ButtonBarButton" />

The genre does not really set a value for the button and so I do not understand how I have about the button and the way it displays it. I will change anything.

> When the button is set to use an empty style, it looks like:

A button at all (as I was expecting a free style).

Does anyone work properly, why is this empty style changing? You can create a new app using "fullscreen activity" to repeat it yourself.

Your button> Barbunton and buttons BarBunton Style There is no connection with each other. You apply the style of the button barbun style which is a theme feature and once it defines some style for the button, if you have a custom blank style Button can be applied to: 

  style = "@ style / buttonbarbutton"

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