1. In the Project window, select the Android view.
2. Right-click the res folder and select New > Image Asset.
3. Continue by following the steps to:
  . If your app supports Android 8.0, create adaptive and legacy launcher icons.
  . If your app supports versions no higher than Android 7.1, create a legacy launcher icon only.
  . Create an action bar or tab icon.
  . Create a notification icon.
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