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felangel / flow_builder

Flutter Flows made easy! A Flutter package which simplifies navigation flows with a flexible, declarative API.
https://pub.dev/packages/flow_builder
MIT License
395 stars 65 forks source link

Back gesture shows a white screen on android instead of quitting the app #17

Closed FredJul closed 3 years ago

FredJul commented 3 years ago

Describe the bug Since 0.0.1-dev.10, there is a regression when using the back gesture (Android 11) on the main screen. A back should close the app, but since dev.10 it shows a white screen instead.

To Reproduce Steps to reproduce the behavior:

  1. Compile the https://github.com/FredJul/Warmd app and change flow_builder version to use the last one (currently 0.0.1-dev.11)
  2. Press next on all questionnaire screen until you reached the score screen
  3. Use the back gesture, it displays a white screen instead of quitting the app

Expected behavior Same behavior than 0.0.1-dev.9, the back gesture on the score screen should quit the app

Logs flutter doctor -v [✓] Flutter (Channel stable, 1.22.5, on macOS 11.0.1 20B29 darwin-x64, locale fr-FR) • Flutter version 1.22.5 at /Users/f.julian/Documents/flutter • Framework revision 7891006299 (27 hours ago), 2020-12-10 11:54:40 -0800 • Engine revision ae90085a84 • Dart version 2.10.4

[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.2) • Android SDK at /Users/f.julian/Library/Android/sdk • Platform android-30, build-tools 30.0.2 • ANDROID_HOME = /Users/f.julian/Library/Android/sdk • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495) • All Android licenses accepted.

[✓] VS Code (version 1.52.0) • VS Code at /Applications/Visual Studio Code.app/Contents • Flutter extension version 3.17.0

Additional context I believe https://github.com/felangel/flow_builder/pull/14 to be the culprit of this behavior change.

Also, https://github.com/FredJul/Warmd is not a big project (FlowBuilder is exclusively used in the main.dart file), but if you have difficulties reproducing this issue, I could try to do a smaller sample.