      h            \           
         +   8   G   W   f   v                    gravity orientation id paddingLeft 

paddingTop paddingRight paddingBottom layout_width layout_height layout_weight layoutDirection Button android ))androidx.appcompat.widget.ButtonBarLayout **http://schemas.android.com/apk/res/android style  4                                      
               P                       	                                                           
                                                     	       ?                                                             	       ?                                                             	       ?                                       