facebook/fresco

RetainingDataSourceSupplier ignores fadeDuration

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#2,023 创建于 2018年1月18日

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 (5 评论) (1 反应) (0 负责人)Java (17,072 star) (3,750 fork)batch import
enhancementgood first issuehelp wanted

描述

Description

We've used the RetainingDataSourceSupplier for replacing blurred thumb image with good quality image when a user clicks a download button. We've set the fadeDuration of DraweeHierarchy to 300 ms. The first blurred thumb shows up with a fade animation but the second image shows up immediately without any animation.

We've also tried to replace image setting the LowRes and HighRes images when user clicks on download button. But we've got the same result. The second image shows up without any animation.

Is there any solution for replacing images with animation?

Reproduction

Solution

Additional Information

  • Fresco version: 1.7.1
  • Platform version: Android 7.0

贡献者指南

技术栈
javaandroid
领域
mobile
议题类型
bug
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
half day
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
mostly clear
前置要求
Fresco libraryAndroid image loading
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
30
研究方向
Investigate the RetainingDataSourceSupplier class in the Fresco source code to understand how fadeDuration is handled. Check the DraweeHierarchy and its fadeDuration setting. Review the issue comments for any hints. Potential fix may involve ensuring that the fadeDuration is applied when switching data sources.