使用PorterDuffXfermode和SVGs自定义形状ImageView，

库 https://github.com/MostafaGazar/CustomShapeImageView

要点 https://gist.github.com/MostafaGazar/ee345987fa6c8924d61b

用法：

 

<com.meg7.widget.SvgImageView
 android:layout_width= "64dp" 
 android:layout_height= "64dp" 
 android:src= "@drawable/sample" 
 app:svg_raw_resource= "@raw/shape_heart" 
 android:scaleType= "centerCrop" />