You can select the following Asset Type.notification icon as per your requirement.Launcher icon which may be Adaptive and Legacy Launcher Icon (if your app supports Android 8.0 or above) or just the Legacy Launcher Icon(for Android version less than or equal to 7.1).Right-click on the res folder and choose New -> Image Asset.

In the Project Window, select the project hierarchy.

Let’s see how to create each one of them. It provides a preview of all the icons that will be created, in different shapes, with options to edit them. Image Asset Studio helps to create all these icons for all screen densities and stores them in respective density folders. No matter if you are a good designer, creating each of these is tedious! Here is a list of icon/image sizes that you need to create for different screen densities, for each image that you use in your application.

Notification Icon: represents your app notification when a user is outside your app.

ActionBar Icon & Tab Icon: representing actions in the ActionBar and Tabs of the app.

Launcher Icon: represents your app and the first thing that user sees.Application icon in Android includes the following, It can be used to generate app icons for all the screen densities in one go, using custom images, material design icons as well as text strings. Image Asset Studio is a tool introduced in Android Studio 3.

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