I'm trying to create a new Widget according to the official documentation:
Note: Android Studio can automatically create a set of AppWidgetProviderInfo, AppWidgetProvider, and view layout files. Choose New > Widget > App Widget.
My Android Studio menu, however, doesn't have a "Widget" entry:
How can I create a new Widget?
What the "New" menu displays is context sensitive and is based on what you selected in the project window on the left.
If you select "App" (or whatever it is named in your project, it is partially hidden in the screenshot), the folder that contains your source files, then the "New" menu will have all sorts of other entries available, among others, "Widget".