Android代码使用SVG实现Drawable切换动画
ToggleDrawable ToggleDrawablehelpstocreateanimateddrawabletransitionsusingaminimalisticandcleanAPI.TheimplementationreliesonbeziercurvesinsteadofSVGgraphics,andiscompatiblebelowAPI19. DEMOAPK How? ThelibraryprovidesafewimplementationslikeSearchArrowDrawable