WARNING: One of the plugins you are using supports Java 8 language features.

导入一个项目直接报Warning：

WARNING: One of the plugins you are using supports Java 8 language features. 
To try the support built into the Android plugin, remove the following from your build.gradle:
    apply plugin: 'me.tatarka.retrolambda'
To learn more, go to https://d.android.com/r/tools/java-8-support-message.html
Affected Modules: app

AS3.0以上支持了lamda表达式,AS提示你去掉这个插件：

WARNING: One of the plugins you are using supports Java 8 language features. Ok 警告解除。