RefreshIndicator does not work if content does not overflow #4829
Description
Steps to Reproduce
- Update _items in OverscrollDemoState within overscroll_demo.dart of flutter_gallery to only have 2 items. This prevents the content from overflowing.
- flutter run
- Components -> Overscroll
- Attempt to trigger the refresh by scrolling up (move finger down)
- Observe the refresh indicator does not appear.
Flutter Doctor
[✓] Flutter (on Mac OS, channel unknown)
• Flutter at /Users/drewwarren/flutter
• Framework revision e0f37027ab (5 days ago), engine revision 71ce354a44
[x] Android toolchain - develop for Android devices
x Android Studio / Android SDK not found. Download from https://developer.android.com/sdk/
(or visit https://flutter.io/setup/#android-setup for detailed instructions).
[✓] iOS toolchain - develop for iOS devices (Xcode 7.3.1)
• XCode at /Applications/Xcode.app/Contents/Developer
• Xcode 7.3.1, Build version 7D1014
[✓] Atom - a lightweight development environment for Flutter
• flutter plugin version 0.2.3
• dartlang plugin version 0.6.27
Logs and Crash Reports
No useful logs/crash reports