"1px + 5%" }, element: { property: "backgroundImage", params: "#foo" }, "cross-fade
@DialogVerticalAlignment^@TitleHorizontalAlignment^@TitleVe rticalAlignment^@Transition^@fade-over^@cross-fade
(Cross-fade的transition width设置为0.5) 启用“Cross Fade”后,当组在它们之间转换时,会同时渲染两个LOD级别。
TransitionDrawable An extension of that is intended to cross-fade between the first and second layer
禁用cross-fade时,交叉淡化将基于视觉百分比,并且可以通过其“Fade Transition Width ”滑块为每个LOD级别配置确切的范围。设置为1时,衰减将覆盖LOD级别的整个范围。