Flutter

问题 I;m trying to use JITSI and STRIP in my Flutter Application. But when I run I get the following issue. How to solve this. stripe_payment: ^1.0.9 jitsi_meet: ^2.0.0 C:\Users\nifal.nizar.gradle\caches\transforms-2\files-2.1\ec6fd3efd2e7f7ffe17741b46caf6e74\jetified-react-native-0.61.5-jitsi.2-runtime.jar: R8: Type com.facebook.react.bridge.ReactMethod is defined multiple times: C:\Users\nifal.nizar.gradle\caches\transforms-2\files-2.1\ec6fd3efd2e7f7ffe17741b46caf6e74\jetified-react-native-0.61

问题 I just open my flutter project in android studio but android studio cannot detect any device. I already installed two emulator from AVD manager but still I face with this error 回答1: Mostly this happens when your Android SDK path is not configured. To do this you can do it as follow: First of all make sure make sure you followed the installation process Go to File -> Project Structure select Project from left tab and select <No SDK> Then from the devices list click on one of the AVDs to run

问题 i interested to know why my android studio couldn't load file content correctly? this is simple screen shot as what happened for my application is anybody could help me to resolve this problem? 回答1: Read Mismatched Encoding The encoding used to compile your project is specified in the build.gradle files. The default, which is used when no specific encoding is specified, is UTF-8. We strongly recommend you use UTF-8 encoding whenever possible. File -> Settings-> Search -> File Encoding->Global

问题 I need to logout from flutter_appauth with a button press in flutter; This package doesn't have any logout method. This is my get token code: appAuth.authorizeAndExchangeCode(AuthorizationTokenRequest( clientID, redirectUrl, discoveryUrl: discoveryUrl, scopes: scopes, clientSecret: clientSecret 回答1: In that package, didn't any solution for this, but this problem solve with two way : It's your browser so you can clear the browser's cache :) When you call method for authorizing and exchanges

问题 I need to logout from flutter_appauth with a button press in flutter; This package doesn't have any logout method. This is my get token code: appAuth.authorizeAndExchangeCode(AuthorizationTokenRequest( clientID, redirectUrl, discoveryUrl: discoveryUrl, scopes: scopes, clientSecret: clientSecret 回答1: In that package, didn't any solution for this, but this problem solve with two way : It's your browser so you can clear the browser's cache :) When you call method for authorizing and exchanges

问题 I need to logout from flutter_appauth with a button press in flutter; This package doesn't have any logout method. This is my get token code: appAuth.authorizeAndExchangeCode(AuthorizationTokenRequest( clientID, redirectUrl, discoveryUrl: discoveryUrl, scopes: scopes, clientSecret: clientSecret 回答1: In that package, didn't any solution for this, but this problem solve with two way : It's your browser so you can clear the browser's cache :) When you call method for authorizing and exchanges

问题 Error on line 32, column 5 of pubspec.yaml: A dependency specification must be a string or a mapping. ╷ 32 │ ┌ - assets/ 33 │ └ ╵ pub get failed (65; ╵) 回答1: The problem is I had the assets folder in the wrong location. It should not be under dependencies. In addition, you must add 2 spaces before "assets", as shown in the picture: 来源： https://stackoverflow.com/questions/61144571/a-dependency-specification-must-be-a-string-or-a-mapping

问题 Error on line 32, column 5 of pubspec.yaml: A dependency specification must be a string or a mapping. ╷ 32 │ ┌ - assets/ 33 │ └ ╵ pub get failed (65; ╵) 回答1: The problem is I had the assets folder in the wrong location. It should not be under dependencies. In addition, you must add 2 spaces before "assets", as shown in the picture: 来源： https://stackoverflow.com/questions/61144571/a-dependency-specification-must-be-a-string-or-a-mapping

问题 Here i am trying to load image link from firebase into flutter app then passing it into image.network(). the data loading is taking time to load data so it is giving me following error: RangeError (index): Invalid value: Valid value range is empty: 1 but after 5 second the data is loaded successfully and printed in console but not displayed on screen. here is code to print data class _DataFetching extends State<MyHomePage> { List<eyes> allCriminals=eyes.allcriminals(); @override Widget build

问题 I have problem when trying to install the flutter in my desktop first I get error of : is not recognized as an internal or external command operable program or batch file. Then I open the system environment variable and add the flutter to the user variables path plus I add all of the flutter, git, system32 to systems variables path section. Unfortunately, the problem is still present even with a restart. Now when I type flutter doctor to Command prompt No results are shown and I cannot write