1.The app.Configuration 'compile' is obsolete and has been replaced with 'implementation'.:
解决方法在:https://blog.csdn.net/gogler/article/details/79756182
implementation改为releaseCompile
2.找不到org.apache.http包
解决办法:在app的build.gradle增加 useLibrary 'org.apache.http.legacy'
3.studio更新后造成的:Caused by: java.io.IOException: error=2, No such file or directory
解决方法https://blog.csdn.net/guayunfanlove/article/details/80424570