Flutter always need to Restart or flutter clean

Question

Why is my flutter unable to display the widget that I wrote at the beginning of the F5 debug flutter or the flutter run in command line. My Flutter shows a previous Widget and also a previous error even though I deleted my code. I always have to hot reload or flutter clean to get a Widget or data that matches what I wrote.

Note: Before this happens. My project got a lot of errors due to flutter upgradeI tried trying for days to justify it to replace the versions but the exact can't be solved. So I decided to reinstall my flutter. Please help me. I was frustrated enough.

$ flutter doctor -v
[√] Flutter (Channel stable, v1.12.13+hotfix.5, on Microsoft Windows [Version 10.0.17763.914], locale en-US)
    • Flutter version 1.12.13+hotfix.5 at D:\FlutterSDK\flutter
    • Framework revision 27321ebbad (7 days ago), 2019-12-10 18:15:01 -0800
    • Engine revision 2994f7e1e6
    • Dart version 2.7.0

[√] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
    • Android SDK at C:\Users\ASUS\AppData\Local\Android\sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-29, build-tools 29.0.2
    • Java binary at: D:\Rts\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)
    • All Android licenses accepted.

[√] Android Studio (version 3.5)
    • Android Studio at D:\AndroidSDK\Android Studio
    • Flutter plugin version 42.1.1
    • Dart plugin version 191.8593
    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)

[√] Connected device (1 available)
    • SM A205F • RR8M512EJ8X • android-arm64 • Android 9 (API 28)

• No issues found!

Thank you

what is a complete command line? just flutter run? what if you add -v? — pskink
– pskink, Commented Dec 18, 2019 at 8:52
@pskink too long if i put here. but my code is going according to plan even though it takes a lot of time. can you explain why this happened? — Arteesy
– Arteesy, Commented Dec 18, 2019 at 9:28
what is too long? did you run flutter run -v? if so, what are the last, say 20, lines of log? — pskink
– pskink, Commented Dec 18, 2019 at 9:29

Lewis · Accepted Answer · 2020-01-29 17:25:28Z

1

Try flutter clean, followed by flutter channel stable. This will reset the build directory, and ensure you're on the stable branch of Flutter. Try flutter run -v and report the output, please.

edited Jan 29, 2020 at 17:25

answered Jan 13, 2020 at 23:52

Lewis

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