Raidogroup+radiobutton Analog Android dropdown box popup list

Reference

< Hello world! on top Is left , but the following words can not pull over. Tried all kinds of methods.

Finally, inadvertently add a Backgroud attribute to RadioButton:

<radiobutton

            android: id= "@+id/rball"            android: layout_width= "match_parent"            android: Layout_ height= "Wrap_content"            android: background= "@Android: Color/white"            Android :Button= "@null"            android:d rawableright= "@drawable/selector_tb"             Android: text= "test entry One"            Android: textcolor= "@Android: Color/primary_text_light"            android: textsize= "14sp"/>

Finally, the desired effect is achieved. > has been certified OK.

Java implementations:

Raidogroup+radiobutton Analog Android dropdown box popup list