1<resources> 2 3 <!-- 4 Declare custom theme attributes that allow changing which styles are 5 used for button bars depending on the API level. 6 ?android:attr/buttonBarStyle is new as of API 11 so this is 7 necessary to support previous API levels. 8 --> 9 <declare-styleable name="ButtonBarContainerTheme"> 10 <attr name="buttonBarStyle" format="reference" /> 11 <attr name="buttonBarButtonStyle" format="reference" /> 12 </declare-styleable> 13 14</resources> 15