# Flutter

**URL:** https://forums.kodeco.com/c/general/flutter/62.md

[Latest](https://forums.kodeco.com/latest.md) · [Categories](https://forums.kodeco.com/categories.md) · [Tags](https://forums.kodeco.com/tags.md)

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## [About the Flutter category](https://forums.kodeco.com/t/about-the-flutter-category/83605)

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**Author:** [@macsimus](https://forums.kodeco.com/u/macsimus)\
**Replies:** 2\
**Last updated:** [March 18, 2020, 4:12pm UTC](https://forums.kodeco.com/t/about-the-flutter-category/83605 "2020-03-18T16:12:41Z")

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This category is for discussion on Flutter and Dart development.

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## [I made a code template to create a mobile app in days](https://forums.kodeco.com/t/i-made-a-code-template-to-create-a-mobile-app-in-days/198457)

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**Author:** [@mcflydev](https://forums.kodeco.com/u/mcflydev)\
**Replies:** 1\
**Last updated:** [November 19, 2025, 4:05am UTC](https://forums.kodeco.com/t/i-made-a-code-template-to-create-a-mobile-app-in-days/198457 "2025-11-19T04:05:13Z")

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Hey Flutter friends, I am Gautier. After running a mobile development agency for 5 years I’ve found out that we build some things again and again. So I worked to make template of these so we could be faster. Now I wo…

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## [Chapter 2 flutter apprentice book error](https://forums.kodeco.com/t/chapter-2-flutter-apprentice-book-error/200375)

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**Author:** [@prosper005](https://forums.kodeco.com/u/prosper005)\
**Replies:** 1\
**Last updated:** [December 13, 2023, 12:39am UTC](https://forums.kodeco.com/t/chapter-2-flutter-apprentice-book-error/200375 "2023-12-13T00:39:29Z")

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I’m encountering an issue while building my Flutter application. When attempting to build the project, I’m getting the following warnings: warning: \[options\] source value 8 is obsolete and will be removed in a future re…

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## [Problem on with dart](https://forums.kodeco.com/t/problem-on-with-dart/204116)

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**Author:** [@axel\_sylvain](https://forums.kodeco.com/u/axel_sylvain)\
**Replies:** 0\
**Last updated:** [May 2, 2024, 3:39pm UTC](https://forums.kodeco.com/t/problem-on-with-dart/204116 "2024-05-02T15:39:43Z")

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## [Flutter local\_auth is not working below android 10](https://forums.kodeco.com/t/flutter-local-auth-is-not-working-below-android-10/187978)

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**Author:** [@harikrishna007](https://forums.kodeco.com/u/harikrishna007)\
**Replies:** 1\
**Last updated:** [February 18, 2025, 8:13am UTC](https://forums.kodeco.com/t/flutter-local-auth-is-not-working-below-android-10/187978 "2025-02-18T08:13:32Z")

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Hello folks, I am trying to implement security lock in to my app using local\_auth library, but showing the following error. PlatformException(NotAvailable, Security credentials not available., null, null) I am running…

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## [Latest Flutter trims the description text in the RW News app](https://forums.kodeco.com/t/latest-flutter-trims-the-description-text-in-the-rw-news-app/192352)

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**Author:** [@wabisabi](https://forums.kodeco.com/u/wabisabi)\
**Replies:** 1\
**Last updated:** [January 23, 2025, 11:46am UTC](https://forums.kodeco.com/t/latest-flutter-trims-the-description-text-in-the-rw-news-app/192352 "2025-01-23T11:46:32Z")

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How do we fix the app not to shorten the text to “\[+9834 chars\]”?

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## [Flutter for MVPs better than native?](https://forums.kodeco.com/t/flutter-for-mvps-better-than-native/182525)

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**Author:** [@cloudflex](https://forums.kodeco.com/u/cloudflex)\
**Replies:** 3\
**Last updated:** [December 17, 2024, 7:02pm UTC](https://forums.kodeco.com/t/flutter-for-mvps-better-than-native/182525 "2024-12-17T19:02:32Z")

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Hi guys! We’ve recently completed several MVP’s for flutter and combined our experience in this article We have a strong feeling that Flutter performs better for small MVPs and not big mobile apps, especially when it’s …

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## [Flutter Apprentice: 08-routes-and-navigation : shared\_preferences](https://forums.kodeco.com/t/flutter-apprentice-08-routes-and-navigation-shared-preferences/207004)

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**Author:** [@uli\_sinn](https://forums.kodeco.com/u/uli_sinn)\
**Replies:** 3\
**Last updated:** [November 19, 2024, 7:26am UTC](https://forums.kodeco.com/t/flutter-apprentice-08-routes-and-navigation-shared-preferences/207004 "2024-11-19T07:26:41Z")

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Hi - I cannot figure out how to fix this in the latest version of Android Studio: What went wrong: Execution failed for task ‘:shared\_preferences\_android:compileDebugJavaWithJavac’. Could not resolve all files for …

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## [GUI for fastlane?](https://forums.kodeco.com/t/gui-for-fastlane/203674)

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**Author:** [@flutterize](https://forums.kodeco.com/u/flutterize)\
**Replies:** 3\
**Last updated:** [September 10, 2024, 11:57am UTC](https://forums.kodeco.com/t/gui-for-fastlane/203674 "2024-09-10T11:57:58Z")

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Hello mobile app devs :leaves: I’m building a GUI for fastlane for build and release automation. I worked with fastlane for a couple of years now, and got tired of having to go back and read the same docs I forgot, and…

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## [CAN'T connect to google sheets correctly! -- Flutter coding](https://forums.kodeco.com/t/cant-connect-to-google-sheets-correctly-flutter-coding/203855)

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**Author:** [@samirmoltova](https://forums.kodeco.com/u/samirmoltova)\
**Replies:** 1\
**Last updated:** [April 25, 2024, 5:54am UTC](https://forums.kodeco.com/t/cant-connect-to-google-sheets-correctly-flutter-coding/203855 "2024-04-25T05:54:08Z")

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'm a noob in the Dart coding language, and have a hard time debugging code I don’t understand. I created a calendar that should save data in a google sheet. If you click on a date, a sliding\_up\_panel will appear, in that…

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## [How to test Flutter application with selenium java](https://forums.kodeco.com/t/how-to-test-flutter-application-with-selenium-java/186867)

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**Author:** [@harikrishna007](https://forums.kodeco.com/u/harikrishna007)\
**Replies:** 4\
**Last updated:** [June 20, 2023, 2:14am UTC](https://forums.kodeco.com/t/how-to-test-flutter-application-with-selenium-java/186867 "2023-06-20T02:14:24Z")

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Hello folks. In flutter can we do testing with selenium, if YES how.? other wise what kind of testing we can do in flutter to automate the application.

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## [An animated clock app, developed with Flutter](https://forums.kodeco.com/t/an-animated-clock-app-developed-with-flutter/188603)

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**Author:** [@yugakhan](https://forums.kodeco.com/u/yugakhan)\
**Replies:** 0\
**Last updated:** [June 24, 2023, 10:32am UTC](https://forums.kodeco.com/t/an-animated-clock-app-developed-with-flutter/188603 "2023-06-24T10:32:13Z")

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Library Zerker is a Flutter-based animation game framework. It is easy to use, easy to use and has high rendering efficiency. This framework can easily create various Widget animation effects, such as scene switching, ic…

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## [How to do integration testing for already developed project](https://forums.kodeco.com/t/how-to-do-integration-testing-for-already-developed-project/187659)

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**Author:** [@harikrishna007](https://forums.kodeco.com/u/harikrishna007)\
**Replies:** 1\
**Last updated:** [May 25, 2023, 11:14am UTC](https://forums.kodeco.com/t/how-to-do-integration-testing-for-already-developed-project/187659 "2023-05-25T11:14:46Z")

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Hello team, I have a query on how to do unit, widget and integration testing for already developed project, it is possible to do end to end testing in flutter. Issue here i am facing is,the project is developed with ma…

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## [New Phone App Developer - Windows iPhone Emulator?](https://forums.kodeco.com/t/new-phone-app-developer-windows-iphone-emulator/186009)

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**Author:** [@pwalter](https://forums.kodeco.com/u/pwalter)\
**Replies:** 1\
**Last updated:** [May 6, 2023, 11:18am UTC](https://forums.kodeco.com/t/new-phone-app-developer-windows-iphone-emulator/186009 "2023-05-06T11:18:53Z")

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New to phone development. Started learning Flutter on Android phones (using Android Studio). I’ve finally uploaded an app to Google Play Store. I wanted to test on windows with iPhone emulator and eventually load that sa…

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## [Flutter experience of an iOS developer](https://forums.kodeco.com/t/flutter-experience-of-an-ios-developer/179371)

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**Author:** [@marc\_b](https://forums.kodeco.com/u/marc_b)\
**Replies:** 4\
**Last updated:** [February 9, 2023, 1:52pm UTC](https://forums.kodeco.com/t/flutter-experience-of-an-ios-developer/179371 "2023-02-09T13:52:21Z")

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I’m in the process of deciding if Flutter is the right tool to switch over to. In my professional job I’ve created multiple cross-platform apps using Xamarin. I don’t want to use Xamarin ever again. It’s bad. I now wan…

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## [Photos aspect ratio is wrong at Flutter book (online reader)](https://forums.kodeco.com/t/photos-aspect-ratio-is-wrong-at-flutter-book-online-reader/181235)

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**Author:** [@siberiaman](https://forums.kodeco.com/u/siberiaman)\
**Replies:** 1\
**Last updated:** [November 28, 2022, 11:04am UTC](https://forums.kodeco.com/t/photos-aspect-ratio-is-wrong-at-flutter-book-online-reader/181235 "2022-11-28T11:04:08Z")

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Hi, I think it’s not an error specifically of Flutter book but in general for online reader :thinking: but I’m not able to add new topic in General discussion category, so adding it here at GD: Flutter Technical deta…

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## [Flutter Apprentice - Section 4](https://forums.kodeco.com/t/flutter-apprentice-section-4/179039)

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**Author:** [@nuaiman](https://forums.kodeco.com/u/nuaiman)\
**Replies:** 2\
**Last updated:** [October 12, 2022, 8:11pm UTC](https://forums.kodeco.com/t/flutter-apprentice-section-4/179039 "2022-10-12T20:11:09Z")

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Hello I have a quick suggestion. Thankyou for creating this super Amazing book Flutter Apprentice. Truly thanks a lot. Now, in section-4 we start by implementing shared\_preferences to an already implemented bare bone a…

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## [Error when connect to firebase](https://forums.kodeco.com/t/error-when-connect-to-firebase/163810)

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**Author:** [@hawari](https://forums.kodeco.com/u/hawari)\
**Replies:** 2\
**Last updated:** [August 12, 2022, 5:26am UTC](https://forums.kodeco.com/t/error-when-connect-to-firebase/163810 "2022-08-12T05:26:13Z")

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when I try to connect to firebase I add this code to my main.dart Future main() async { WidgetsFlutterBinding.ensureInitialized(); await Firebase.initializeApp(); runApp(const MyApp()); } my app run with white pa…

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## [Https://forums.kodeco.com/t/your-first-flutter-app-polishing-the-app-episode-33-distribute-your-app-to/170138?u=egbertus](https://forums.kodeco.com/t/https-forums-raywenderlich-com-t-your-first-flutter-app-polishing-the-app-episode-33-distribute-your-app-to-170138-u-egbertus/170242)

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**Author:** [@egbertus](https://forums.kodeco.com/u/egbertus)\
**Replies:** 0\
**Last updated:** [May 2, 2022, 10:35am UTC](https://forums.kodeco.com/t/https-forums-raywenderlich-com-t-your-first-flutter-app-polishing-the-app-episode-33-distribute-your-app-to-170138-u-egbertus/170242 "2022-05-02T10:35:37Z")

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## [Looking for image editor library](https://forums.kodeco.com/t/looking-for-image-editor-library/87962)

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**Author:** [@wseng92](https://forums.kodeco.com/u/wseng92)\
**Replies:** 4\
**Last updated:** [March 18, 2020, 5:53pm UTC](https://forums.kodeco.com/t/looking-for-image-editor-library/87962 "2020-03-18T17:53:54Z")

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I am looking for image editor, which work like whatsapp, allow user to paint the image before sending. Are there any available library for that?

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## [Unhandled Exception: AutoRouter operation requested with a context that does not include an AutoRouter](https://forums.kodeco.com/t/unhandled-exception-autorouter-operation-requested-with-a-context-that-does-not-include-an-autorouter/173587)

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**Author:** [@mysteriondex](https://forums.kodeco.com/u/mysteriondex)\
**Replies:** 2\
**Last updated:** [June 22, 2022, 9:00am UTC](https://forums.kodeco.com/t/unhandled-exception-autorouter-operation-requested-with-a-context-that-does-not-include-an-autorouter/173587 "2022-06-22T09:00:58Z")

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Hello hello I’m getting this error: Unhandled Exception: AutoRouter operation requested with a context that does not include an AutoRouter. The context used to retrieve the Router must be that of a widget that is a desc…

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## [iOS: Flutter/flutter.h file not found](https://forums.kodeco.com/t/ios-flutter-flutter-h-file-not-found/173638)

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**Author:** [@lessimp](https://forums.kodeco.com/u/lessimp)\
**Replies:** 0\
**Last updated:** [June 22, 2022, 7:14am UTC](https://forums.kodeco.com/t/ios-flutter-flutter-h-file-not-found/173638 "2022-06-22T07:14:09Z")

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No matter the research on google, can’t seem to fix this flutter/flutter.h even though the Android app works and has been deployed

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## [Stream Builder Type error](https://forums.kodeco.com/t/stream-builder-type-error/172263)

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**Author:** [@mohit32](https://forums.kodeco.com/u/mohit32)\
**Replies:** 1\
**Last updated:** [May 31, 2022, 3:14pm UTC](https://forums.kodeco.com/t/stream-builder-type-error/172263 "2022-05-31T15:14:14Z")

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I am trying make an vendor app and facing issue with type error in stream builder. It would be great help if you can point out the mistake. Thank You import 'package:cloud\_firestore/cloud\_firestore.dart'; import 'pac…

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## [Page Swipeable in all directions, like TikTok](https://forums.kodeco.com/t/page-swipeable-in-all-directions-like-tiktok/159071)

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**Author:** [@paristocode](https://forums.kodeco.com/u/paristocode)\
**Replies:** 1\
**Last updated:** [May 26, 2022, 5:25pm UTC](https://forums.kodeco.com/t/page-swipeable-in-all-directions-like-tiktok/159071 "2022-05-26T17:25:48Z")

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Is it possible to make pages swipeable in all 4 directions with Flutter and not just horizontally or vertically? Like what you have in TikTok.

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## [Connecting to IIS Windows server 2019 API](https://forums.kodeco.com/t/connecting-to-iis-windows-server-2019-api/167053)

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**Author:** [@ustechfan](https://forums.kodeco.com/u/ustechfan)\
**Replies:** 0\
**Last updated:** [March 18, 2022, 2:28am UTC](https://forums.kodeco.com/t/connecting-to-iis-windows-server-2019-api/167053 "2022-03-18T02:28:55Z")

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Can someone help me with an issue connecting with Windows Server 2019 iis API ? I am able to connect via Android http and https, flutter with only http, Postman http and https.

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## [FLUTTER Updates are out again](https://forums.kodeco.com/t/flutter-updates-are-out-again/164519)

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**Author:** [@naplesdave](https://forums.kodeco.com/u/naplesdave)\
**Replies:** 0\
**Last updated:** [February 13, 2022, 9:51pm UTC](https://forums.kodeco.com/t/flutter-updates-are-out-again/164519 "2022-02-13T21:51:34Z")

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New FLUTTER update is out today; Flutter ver 2.10.1 Dart ver 2.16.1 Dev Tools 2.9.2 Run. flutter upgrade. in an ANDROID STUDIO Terminal window to get it.

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## [Flutter, PageView.builder() and SingleChildScrollView()](https://forums.kodeco.com/t/flutter-pageview-builder-and-singlechildscrollview/159962)

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**Author:** [@paristocode](https://forums.kodeco.com/u/paristocode)\
**Replies:** 0\
**Last updated:** [December 12, 2021, 7:38am UTC](https://forums.kodeco.com/t/flutter-pageview-builder-and-singlechildscrollview/159962 "2021-12-12T07:38:31Z")

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Why is there an error when I use the two in combination? That is I have multiple pages with each page having a container() with a column() that can be singlechildscrollview(). ══╡ EXCEPTION CAUGHT BY ANIMATION LIBRARY …

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## [Flutter Web + Firebase + Webpack](https://forums.kodeco.com/t/flutter-web-firebase-webpack/158987)

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**Author:** [@paristocode](https://forums.kodeco.com/u/paristocode)\
**Replies:** 0\
**Last updated:** [November 30, 2021, 1:20pm UTC](https://forums.kodeco.com/t/flutter-web-firebase-webpack/158987 "2021-11-30T13:20:34Z")

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Can the tree shaking benefit from Webpack be used with Flutter Web + Firebase?

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## [Flutter Web + Firebase](https://forums.kodeco.com/t/flutter-web-firebase/158972)

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**Author:** [@paristocode](https://forums.kodeco.com/u/paristocode)\
**Replies:** 0\
**Last updated:** [November 30, 2021, 11:09am UTC](https://forums.kodeco.com/t/flutter-web-firebase/158972 "2021-11-30T11:09:25Z")

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How do you do CRUD operations in Dart, if the Flutter Web uses html and javascript? Given that the setup for Flutter Web is by inserting scripts into index.html, how do you for example write dart code to read from the f…

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## [Flutter GraphQL code generation](https://forums.kodeco.com/t/flutter-graphql-code-generation/158413)

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**Author:** [@transmarineras74yank](https://forums.kodeco.com/u/transmarineras74yank)\
**Replies:** 0\
**Last updated:** [November 24, 2021, 1:38am UTC](https://forums.kodeco.com/t/flutter-graphql-code-generation/158413 "2021-11-24T01:38:41Z")

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hi, member of the flutter apprentice course, have the paperback, really liking the format of the youtube videos each week. Great code walkthroughs and really good hand holding to build confidence, etc. This is the best…

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