在 Android Studio 上测试 Volley 发送 HTTP 请求时，编译报错
WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.
解决方法
将 app 下的 build.gradle 中的
compile 'com.android.volley:volley:1.1.1'
替换为
implementation 'com.android.volley:volley:1.1.1'
测试环境
Android Studio 3.2.1
Build #AI-181.5540.7.32.5056338, built on October 9, 2018
JRE: 1.8.0_152-release-1136-b06 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows 10 10.0