Create Application Class - Android Studio

1. Open your main AndroidManifest.xml
2. Add android:name=".ApplicationClass" to your <application> tag

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.test_login_activity">
   <application
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:name=".ApplicationClass">
        ...
    </application>
</manifest>

3. Hover over android:name=".ApplicationClass" or press Alt + Enter or Option + Enter and select Create class 'ApplicationClass'.

AndroidStudio_create_app_class_from_androidmanifest.png

This will automatically create the class for you. You can do so manually if you choose.

4. Now add the onCreate method to your new Application class.

import android.app.Application;

public class ApplicationClass extends Application {
   @Override
   public void onCreate() {
      super.onCreate();
      // TODO: Add OneSignal initialization here
   }
}

import android.app.Application

class ApplicationClass : Application() {
   override fun onCreate() {
      super.onCreate()
      // TODO: Add OneSignal initialization here
   }
}

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Next Steps
Continue where you left off "Step 3. Add Required Code"!

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