Gradle is an automated build toolkit that allows the way in which projects are built to be configured and managed through a set of build configuration files. This includes defining how a project is to be built, what dependencies need to be fulfilled for the project to build successfully and what the end result (or results) of the build process should be.
The strength of Gradle lies in the flexibility that it provides to the developer. The Gradle system is a self-contained, command-line based environment that can be integrated into other environments through the use of plugins. In the case of Android Studio, Gradle integration is provided through the appropriately named Android Studio Plugin.
Although the Android Studio Plug-in allows Gradle tasks to be initiated and managed from within Android Studio, the Gradle command-line wrapper can still be used to build Android Studio based projects, including on systems on which Android Studio is not installed...
