Describe how to implement a dropdown menu in Flutter to handle user selection.
- Creating a custom 'SelectMenu' class
- Implementing a 'PopupMenuButton' with custom items
- Using the 'DropdownButton' and 'DropdownMenuItem' widgets
- Utilizing the 'SelectionDropdown' package
To implement a dropdown menu in Flutter, developers can use the 'DropdownButton' and 'DropdownMenuItem' widgets. The 'DropdownButton' widget represents the dropdown itself, and 'DropdownMenuItem' widgets define the individual items in the dropdown. By providing a list of items and handling the selection callback, developers can create a functional and customizable dropdown menu for users to make selections in their Flutter applications.
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