      d            l           
             0   A   T   h   o   w                              gravity src width color topLeftRadius topRightRadius bottomLeftRadius bottomRightRadius left right android bitmap corners **http://schemas.android.com/apk/res/android item 

layer-list padding shape solid stroke  0    Y        
       $                    $                    $                    t                                                                     L                           
     	      
             8                                     L   	                                     	                           $                    L                                                                          
      