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Tapping on the menu item didn't animate the checkbox because the menu takes 300ms to animate entirely away while the checkbox takes 200ms to animate checked, and since the item with the checkbox was at the bottom, we were only seeing about 60ms of the entire checkbox animation, which isn't enough to notice it. So I moved it to the top of the menu. Tapping on the checkbox didn't animate because nothing caused the menu to rebuild when the callback was invoked. To trigger a rebuild, I now call navigator.setState() explicitly, after changing out local state. To make tapping the checkbox remove the menu, I also explicitly call navigator.pop() in the code that handles the check. (I still explicitly change the checkbox to show that that's possible. In principle one could just treat the checkbox as an inert widget that happens to trigger pop, and do all the checking/unchecking in the switch statement.) I also made some minor style tweaks to files I was looking at while dealing with this issue.
Flutter Examples
This directory contains several examples of using Flutter. Each of these is an
individual Dart application package. If you wish to run them with sky_tool
then you will want to run pub get inside their directory before running
./packages/sky/sky_tool start.
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Hello, world. The hello world app is a basic app that shows the text "hello, world."
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Stocks. The stocks app is an example of a typical mobile app built using Flutter. The app shows a list of all the stocks in the NASDAQ.
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Widgets. The widgets app contains a number of Flutter widgets so you can experiment with them in a simple container.