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'
.

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
}
}
Next Steps
Continue where you left off "Step 3. Add Required Code"!
Updated almost 2 years ago