挺好的一个实例，可惜flutter版本过时了，能否更新下？

[guyuewuren]

想着拿来学习的，下载编译发现无法编译了，一些链接已经失效。

• What went wrong:
  Could not determine the dependencies of task ':app:processDebugResources'.

Could not resolve all task dependencies for configuration ':app:debugRuntimeClasspath'.
Could not resolve androidx.window:window:[1.0.0-beta04].
Required by:
project :app > project :video_thumbnail > io.flutter:flutter_embedding_debug:1.0.0-f15f824b57476e369b5e656f53d4c431c5b04b9a > androidx.window:window-java:1.0.0-beta04
> Failed to list versions for androidx.window:window.
> Unable to load Maven meta-data from https://google.bintray.com/exoplayer/androidx/window/window/maven-metadata.xml.
> Could not get resource 'https://google.bintray.com/exoplayer/androidx/window/window/maven-metadata.xml'.
> Could not GET 'https://google.bintray.com/exoplayer/androidx/window/window/maven-metadata.xml'. Received status code 502 from server: Bad Gateway

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 13s

[fourteendp]

根据报错进行修改市可以运行的

[fourteendp]

就是数据难搞