You can execute tasks or start child threads in this method. onStartCommand : This method is invoked every time when the background service is started.onCreate : When the service object is created, it will run this method.If you want to customize the android background service component, you need to override the below methods. It will also add the service object configuration XML data in AndroidManifest.xml file as below. When you click the Finish button in the above window, it will create the android background service class that extends.If you check the Enabled checkbox then this service component is enabled to be used by other android apps. If you check the Exported checkbox, then this service component can be invoked by other android apps besides the current android app. Give the android background service a name by input its name in the next New Android Component window Class Name input box, check both the Exported and Enabled checkbox.

Click the menu item New -> Service -> Service.Start android studio and right-click the package name in the android studio left project panel.How To Create Android Background Service In Android Studio.

Android studio toast show method