积累下遇到的问题和解决方案

1.The app.Configuration 'compile' is obsolete and has been replaced with 'implementation'.：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