The bug reported in issue #123878 highlights that on newer Android versions, the app bar elevation change simply doesn't activate when the user scrolls, leaving the UI feeling static and flat. Why It Matters
Sometimes, explicitly setting the surfaceTintColor in your AppBarTheme can jumpstart the visual change that the system is failing to automate. 3. Check Your API Level 123878
It signals to the user that they are currently interacting with a scrollable area. The bug reported in issue #123878 highlights that
As noted in the GitHub report, this is particularly prevalent on devices running API 30 and above. Testing on an older emulator can help you confirm if the issue is framework-deep or OS-specific. The Road Ahead Check Your API Level It signals to the
If you are a developer looking to address this bug or explain it to your team, here is a full blog post draft tailored for a technical audience.
You aren't alone. This specific behavior is tracked under in the Flutter GitHub repository (Flutter GitHub). For developers working on API levels above 30, the expected "elevation on scroll" effect often fails to trigger. The Problem: Breaking Down #123878