depedencies {
...

   classpath 'com.github.lchli:AndroidApkFlavorMaker:1.0.0'
   
   ...
}

apply plugin: 'com.lchli.makeApkFlavor'
...

android {
   ...
   //config flavor output dir,channel.txt,sourceApkName.
    LiAnPlugin{
        flavorApksDir="${buildDir}/flavorApks"
        flavorChannelFilePath="${buildDir.parent}/channel.txt"
        sourceApkName="app-debug.apk"
    }
    
    ...
}

$ gradle clean build makeApkFlavors

samsungapps
hiapk
anzhi
360cn