Andriod中导入Netty的两种方式

       1.在build.gradle中添加

implementation group: 'io.netty', name: 'netty-all', version: '4.1.31.Final'

        2.点击Sync同步，如下图所示 

        1.下载netty jar包并导入至libs下方

        2.在build.gradle(app)文件dependencies中添加

compile fileTree(include:['*.jar'],dir:'libs')

        3.点击Sync同步