com.sina.weibo.sdk:core:9.12.0.

[xiaoshengyuyu]

FAILURE: Build failed with an exception.

• What went wrong: Execution failed for task ':app:preDebugBuild'.

  Could not resolve all files for configuration ':app:debugRuntimeClasspath'. Could not resolve com.sina.weibo.sdk:core:9.12.0. Required by: project :app > project :weibo_kit Could not resolve com.sina.weibo.sdk:core:9.12.0. Could not get resource 'https://google.bintray.com/exoplayer/com/sina/weibo/sdk/core/9.12.0/core-9.12.0.pom'. Could not GET 'https://google.bintray.com/exoplayer/com/sina/weibo/sdk/core/9.12.0/core-9.12.0.pom'. 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 55s Exception: Gradle task assembleDebug failed with exit code 1

项目用的flutter 版本是 1.20.0 需要怎么修改

[droplet-js]

jcenter 早跪了 … 最简单方式fork一份工程，改成非nullsafe