Category "flutter"

how to hit and get data after getting value from dropdownbutton in flutter

I need to know how to hit API after selecting a value from dropdownButton and how to use that response in text in flutter. Here I can able to hit api and got re

type '(List<Animal>) => void' is not a subtype of type '((List<Animal?>) => void)?'

type 'List<Object?>' is not a subtype of type 'List<Animal?>' of 'function result' giving me errors on saving selected values value is shown in debu

How update provider's data in Flutter Dart

I have a list of a few things and each has its own ID. I want to pass that certain ID to the provider whenever it's clicked. But as of now, when I click on ITEM

How to use Flutter MethodChannel from FirebaseMessaging.onBackgroundMessage?

I'm using firebase_messaging onBackgroundMessage handler for listening push messages and it works as expected. Now I want to call platform method from this hand

How to download video from tiktok url by flutter?

I would like to download video from tiktok url by flutter. I was able to extract only video url from tiktok video url. Like this https://v16-webapp.tiktok.com/1

How to manually delete a textfield in flutter?

I am making a growable Textfield widget that a user can add as many textfield as he wants. I am using a list of textfields in this case. If user presses button

How do I setup a scoreboard in flutter? (using firebase)

Hi I'm having trouble setting up my scoreboard in flutter, everything is working as intended except one part. I want to create a scoreboard which displays a use

keystorePropertiesFile - Gradle task assembleDebug failed with exit code 1

I am getting this error after trying to run the app in an emulator. FAILURE: Build failed with an exception. * Where: Build file 'D:\Projects\news-app\news\mai

How to reduce Firestore reads - Flutter?

I built an E-commerce app using Firebase/Firestore and I am using Stream Builder or Future Builder and facing high Firestore reads. When I press on Hot-Reload

How to concatenate multiple Flutter TextFormField's in an output Text?

The code simplified below uses a Form composed of two TextFormField's. Under the form, a submit button does concatenate the two input fields in an output Text f

Image from device path not shown

I have downloaded a file to getApplicationDocumentsDirectory(). Then I have inserted the file path to a SQLite database. In this case the file is a png file, a

shake and screenshot events dont work instabug flutter

i opened instabug flutter example app (from github repository) with shake and screenshot event but it doesnt work. (floating button works) Is it possible to sha

I'm getting this error anyone know the solution

I'm getting this error anyone know the solution FAILURE: Build failed with an exception. What went wrong: Execution failed for task ':flutter_plugin_android_lif

How to get the metadata of saved object/file in aws s3 using amplify - flutter

I am new to AWS amplify framework. I am saving images from my flutter app with custom metadata. In the same way, I would like to use those metadata to display i

I want to calculate each number from the array in flutter

I have an array in the flutter final list = [1, 2, 3, 4, 5]; I want to loop through the array to calculate the sum of all the items in the array,how i can?

BlocListener confusion

I am trying to make an app using flutter blocs, but I am having troubles with the BlocListener not being called and I can't figure out what I'm doing wrong. Her

Define Extension function on GETx

I am trying to define an extension function on GetInterface as extension FindOrPut on GetInterface { S findOrPut<S>(S dependency,{String? tag}){ if(

Integrating HERE Maps with Flutter Typeahead package for search suggestions

I am using flutter_typeahead for showing place suggestions to users as they search using a text field and fetching these suggestions from HERE Maps. flutter typ

Script '/opt/flutter/packages/flutter_tools/gradle/flutter.gradle' line: 1102

I am trying to build a flutter app using google Cloud Build, I am constantly getting this error 1: [+1000 ms] FAILURE: Build failed with an exception. 1: [

Dart preview Flutter UI guides is not present in vscode?

I can't find the dart preview flutter UI Guides... I have installed flutter and dart extensions in vscode... Can anyone help?? my Flutter version 2.10.4 and Dar