Category "flutter"

Difference between Isolate vs Thread vs Process?

As we know flutter app runs in an isolates. Somewhere I read that isolates are not system processes. So what really an isolate is and how it's different from pr

I'm getting the error 'cmdline-tools component is missing" and "Android license status unknown" , when i run the command flutter doctor

[!] Android toolchain - develop for Android devices (Android SDK version 30.0.3) X cmdline-tools component is missing Run `path/to/sdkmanager --instal

The plugin `kommunicate_flutter` uses a deprecated version of the Android embedding

I try to upload kommunicate_flutter: ^1.1.3 in my flutter android app becasue I want to add chatbot in my app but I face this problem , can anyone help me pleas

How do I correct this flutter error: Unexpected token a in JSON at position 0?

When I send data from flutter to php I am getting the error below. I am using dropdown and map to display and collect the date selection. I also have a few text

flutter: Target of URI doesn't exist

When I try to open the flutter project of my developer, I get hundreds of errors, that he does not find multiple packages for instance. Packages that consist wi

How To Copy text from a flutter button class while adding additional texts to clipboard?

ive created a custom button that I use in multiple places in my flutter app. and I've also used the toast package to copy and show text anytime the button is cl

Test API calls in Bloc in Flutter

Im first time trying to write Tests for Bloc, Here I face the problem that is : NoSuchMethodError: The method 'fetchPlayerToLogin' was called on null. Receiver:

Flutter Quill Editor Follow Typing Text

We have created a notes app, and have implemented Flutter Quill as our Text Editor. The issue we are facing is that as the user types, the screen doesn't follow

How to Fix The method '>=' was called on null. Receiver: null Tried calling: >=(25) in dart flutter

Guys, I am trying to create a BMI calculator app. everything is working fine but I am getting an error which is shown below while passing data in the condition

Flutter FCM: Storing Notification Data while the app is in the Background/Closed

I am trying to store data received via FCM inside a class in order to navigate to a specific tab of my app after a user clicks on that notification. My problem

CocoaPods not installed. Skipping pod install

My app was working fine until I did 2 small changes. On Target runner in Xcode I enabled bitcode for the project. I update the Android studio to the latest vers

I get this error after the installation of kommunicate chat bot in the app

FAILURE: Build failed with an exception. What went wrong: Execution failed for task ':app:processDebugMainManifest'. Manifest merger failed : Attribute applica

How to send data through patch request in flutter

I am facing issue in sending the below data as a patch request. The issue I am facing is I am not able to pass the Detail object data within another object(AddP

The method 'copy' isn't defined for the type 'PickedFile'

After i upgraded Flutter i followed all the steps for migration code and now i get this error, can't use to .Copy. class ImageInput extends StatefulWidget { f

How to get the index of each element in a list flutter?

I ran into a problem. I have a Checkbox in the value method, I need to specify _isChecked[index]. But I have an error on the word index. I understand why the er

Understanding Flutter and React Native [closed]

I am evaluating React Native and Flutter. I am not experienced in both of these frameworks and hence need some information which I did not fin

What is MaterialStateProperty<Color>?

What is MaterialStateProperty in ButtonStyle? ThemeData( textButtonTheme: TextButtonThemeData( style: ButtonStyle( backgroundColor: , //? ), )

Android Studio: An exception has occurred in the compiler (1.8.0_242-release)

While running app, unable to complete compilation. Keep throwing error. I installed jdk and added java_home path, but still get this error. Also, I havent any i

Notification channel 'basic_channel' does not exist., n.a.a.k.f.a:

As per flutter package I implemented code on my project but it threw exception while making build, "Notification channel 'call_channel' does not exist., n.a.a.k

D/InputConnectionAdaptor( 5956): The input method toggled cursor monitoring on

When I start the application on the Android emulator and try to use the virtual keybord, it immediately gets closed and I see the following message on DEBUG CON