This plugin allows you to manage your Android versionName and versionCode using a Properties file.

// app build.gradle
plugins {
  id 'de.develappers.versioning' version '1.1.0'
}

android {
  defaultConfig {
    versionCode versioning.versionCode
    versionName versioning.versionName
  }
}

To build the plugin you can perform the gradle task assaemble.

To publish the plugin you can perform the gradle task publishPlugins.

For development it is useful to test the plugin without uploading it. To do this you can use a local package dependency.

Just point in your project gradle, where you want to test the plugin, to your local repository:

buildscript{
    dependencies{
        classpath files('/Users/starke/Developer/android-versioning/build/libs/gradle-versioning-1.2.0.jar')
    }
}

apply plugin: de.develappers.versioning.Versioning

https://stackoverflow.com/questions/35302414/adding-local-plugin-to-a-gradle-project