Android flavors

build.gradle

    defaultConfig {
        applicationId "com.internal.app"
        ...
    }
    buildTypes {
        debug{
            ...
        }
        release {
            ...
        }
    }
    
    ...
    
    flavorDimensions 'mode', 'client'
    productFlavors {
        mock {
            dimension = 'mode'
        }
        prod {
            dimension = 'mode'
        }
        internal {
            dimension = 'client'
        }
        client2 {
            dimension = 'client'
            applicationId = 'com.client2.app'
        }

    }
    
// creates the following build variants:
// [internal, client2][mock, prod][debug, release]