login with Google plus in Android Studio | Third party API integration in Android Studio

Before you can start integrating Google Sign-In in your own app, you must configure a Google API Console project and set up your Android Studio project. The steps on this page do just that. The next steps then describe how to integrate Google Sign-In into your app. Prerequisites Google Sign-In for Android has the following requirements: A compatible Android device that runs Android 2.3 or newer and includes the Google Play Store or an emulator with an AVD that runs the Google APIs platform based on Android 4.2.2 or newer and has Google Play Services version 9.8.0 or newer. The latest version of the Android SDK, including the SDK Tools component. The SDK is available from the Android SDK Manager in Android Studio. A project configured to compile against Android 2.3 (Gingerbread) or newer. The Google Play Services SDK: Scroll to the bottom of the package list and select Extras Google Repository. The package is downloaded to your computer and installed in your SDK environment at android-sdk-folder/extras/google/google_play_services. This guide is written for users of Android Studio, which is the recommended development environment.