Adding a Gradle identifier

To add a new Gradle library, find the Gradle identifier for the third party library, and add it to the dependencies list.

When you make changes to the build configuration files in your project, Android Studio requires that you sync your project files so that it can import your build configuration changes and run some checks to make sure your configuration won't create build errors.

To sync your project files, click Sync Now (as seen in the following figure) in the notification bar (this appears when you make a change), or click Sync Project from the menu bar. If Android Studio notices any errors with your configuration--for example, if your code uses API features that are only available in an API level higher than your compileSdkVersion-- the Messages window appears to describe the issue:

Next, we will discuss how libraries can be added using a module.