Gradle Received status code 400 from server: Bad Request

错误：

Could not GET 'https://jcenter.bintray.com/com/mob/sdk/MobSDK-Impl/2019.1109.1046/MobSDK-Impl-2019.1109.1046.jar'. Received status code 400 from server: Bad Request

解决办法：

/Users/admin/.gradle/gradle.properties

去掉错误的代理：

systemProp.https.proxyPort=80

systemProp.http.proxyHost=mirrors.neusoft.edu.cn

systemProp.https.proxyHost=mirrors.neusoft.edu.cn

systemProp.http.proxyPort=80