Category "flutter"

Unable to update value: tween of TweenAnimationBuilder Flutter

I am trying to show countdown timer in my project app. First when user open a screen they can choose the duration of count down time by showing the radio button

I want to use custom font in Flutter Image.drawString

This is about Flutter, Dart, Image, specifically drawString function. First of all, what I am trying to do is watermark the picture taken with the address and t

Flutter Failure [INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION]

Recently, I used Flutter to reconstruct the previous Android project, but it could not be installed on some Android phones. The following is an error message: E

How to write an expression into a method?

How can I write the expression into a separate method for optimization: final listOfKeys= [_firstTabNavKey, _secondTabNavKey, _thirdTabNavKey] onWillPop: (

How to solve flutter web api cors error only with dart code?

It seems like CORS error is well-known issue in the web field. But I tried flutter web for the first time ever and I faced critical error. The code below worked

How to fix Chrome showing an empty / transprarent window for a Flutter web app on Linux?

When I run a Flutter web app in Chrome using Android Studio I only get an empty / transparent window on my Linux Mint 20.2 system. empty / transparent chrome wi

FlutterFire cli - how to switch between separate firebase consoles

I have two separate firebase consoles accessed from two separate google accounts. Firebase console "A" has three projects. Google account [email protected] Firebase c

Flutter: Using Proguard with Gradle 7.0.4

I just updated to Gradle 7.0.4 and upon build I now get the error. A problem occurred evaluating project ':app'. No signature of method: build_9gq7rvxos4tcg7upa

Bloc depends on unregistered type - Injectable

I'm using injectable lib according to a tutorial in youtube some of annotations replaced. but I visit injectable lib in pub.dev look to the changelog and replac

How to get OTP from SMS - autofill

I want to catch or read OTP of SMS messages automatically. I did some tests like this code : import 'package:flutter/material.dart'; void main() { runApp(MyA

Flutter and Firebase - How to sign in using username and password only

I just recently started working with firebase and I can't seem to figure out how to make a user sign up with an email, a username and a password so that later o

Changing the order of PlatformViews (iFrame) in a Stack causes the render to fail

A possible fix would be to avoid using Keys in the Positioned widget (L: 42) but this would cause the internal state of the HtmlElementView (or other displayed

late initilization error shared prefrences in flutter?

even after i have intitialized there is an error : Late initialization error displayName here is the code where i have set the value: var displayName=json

Positioning widgets at specific image coordinates

I have a set of x/y coordinates which I'd like to use to show widgets on top of an Image widget at those specific coords, relative to the original image dimensi

Firebase security rules (.read)

I have a question about Firebase Database security rules. I want only some documents to be reflected in the application. I tried to create a "published" field i

Flutter health package - access denied! - Google fit

I am developing an app in Flutter with Health package, but my app isn´t working. I download the google-services.json, already edited the manifest file wit

Flutter initialization failed, java.lang.UnsatisfiedLinkError: dlopen failed: library "libflutter.so" not found

The app runs properly on iOS, but when I try to run it on an android I get the following error E/FlutterLoader( 9150): Flutter initialization failed. E/FlutterL

Why does xCode cannot build my flutter app with 'sqflite' not found error

I'm trying to build my Flutter app for iOS using xCode and got error: .../ios/Runner/GeneratedPluginRegistrant.m:10:9: Module 'sqflite' not found When I'm tryi

Removing button and load data

Hey guys I need help with removing this button and load data from json file without need to click on that button Here's code List _items = []; // Fetch content

How can i solve the red warnings in flutter when i start to to run

i have everything up to date in flutter and dart. and i have no issues when i run flutter doctor . everything sound good but i still get these red warnings line