Welcome to Android game development with the Google Play games services!The Play Games SDK provides cross-platform Google Play games services that lets you easilyintegrate popular gaming features such as achievements, leaderboards, andSaved Games in your tablet and mobile games.This training will guide you to install a sample game application for Androidand quickly get started to create your own Android game. The Type-a-NumberChallenge sample app demonstrates how you can integrate achievements andleaderboards into your game. Before you begin. Set up your Android development environment.
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If you are new to developingAndroid applications, see. Have an Android device running Android 4.0 (Ice Cream Sandwich) or higheron-hand for testing.Step 1: Download the sample appFor this developer guide, you will need to download the Type-a-Number Challenge sampleAndroid application.To download and set up the sample application in Android Studio:. Download the Android samples from the.
Import the android-basic-samples project. This project includes TypeANumber and other Android gamesamples. To do this in Android Studio:.
Click File Import Project. Browse to the directory where you downloaded android-basic-samples on your developmentmachine. Select the file android-basic-samples/build.gradle and click OK.
In the TypeANumber module, open AndroidManifest.xml and change the package name fromcom.google.example.games.tanc to a different package name of your own. The new package name mustnot start with com.google, com.example, or com.android.Step 2: Set up the game in the Google Play ConsoleThe Google Play Console is where you manage Google Play games services for your game, andconfigure metadata for authorizing and authenticating your game.To set up the sample game in the Google Play Console:. Point your web browser to the, andsign in. If you haven't registered for the Google Play Console before, you will be prompted to do so. Follow these instruction to. When asked if you use Google APIs in your app, select I don’t use any Google APIs in my game yet. For the purpose of this developer guide, you can fill up the form with your owngame details.
For convenience, you can use the placeholder icons and screenshotsprovided in the page. Follow these instructions tofor your Android app. When linking your Android app, make sure to specify the exact packagename you used previously when renaming sample package. You can use the Generate Signed APK Wizard in Android Studio togenerate a new keystore and signed certificate if you don’t have one already.
To learn how torun the Generate Signed APK Wizard, see. Make sure to record the following information for later:. Your: This is a stringconsisting only of digits (typically 12 or more), at the beginning of your client ID. Your signing certificate: Note which certificate you used when setting upyour API access (the certificate whose SHA1 fingerprint you provided).