Category "flutter"

Showing the data coming to the IP printer on the Screen-ESC Parse

Project: Flutter/Dart or with Java - Python Decompiler I want to show the data coming to an IP Printer in the kitchen on the screen. I have developed an App wit

Cast Complex JSON Dart

the dart code below allows you to decode a json that comes from a backend inside resultValue, I have the response of the rest call with the json shown below, wh

How to change dropdown default text color, when it is disabled?

When the dropdown is disabled it has this default black text color, which I want to change. There is an option to change the icon color but no option for text c

is it possible to get online incoming messages from users in telegram (not bot)?

I need to get all incoming messages from all possible social media and redirect them in one app, using this protocol https://pusher.com/docs/channels/library_au

Unable to install and run Android Emulator for VSCode without Installing Android Studio

I'm new to VScode and Flutter development. I'm attempting to install and run an android emulator in VScode without installing Android studio. The following is t

adb server version (40) doesn't match this client (41); killing... On MacOS

I am looking my problem solution. I try many method to solve this problem. ( I am using MacOS) I am trying to run Flutter Demo App on Android Studio before the

Flutter: Null check operator used on a null value Only when running in release mode, not debug

When I run this demo code (TabBarView) in debug mode, everything works fine. But when I run the demo into release mode "Flutter run --release", i get Null check

How to create an embedded drop-down menu in listview

How do I create an embedded drop-down menu in listview. When the user clicks the item, it will generate additional items in the listview for the user to choose.

Flutter formkey exception displayed _CastError (Null check operator used on a null value)

I have created a form by wrapping a column widget in Form() as so Form( key: formKey, child: Column( children: [ But when I try to set fina

Limit OAuth scopes Firebase requests from Facebook login in Flutter

I am using Firebase Facebook social login for my Flutter app. When it is launching login window for Facebook, it has a label where it is displaying login with e

Using syncfusion charts, the chart is not displaying in the screen

Created a simple barchart but it will not display on the page. Here's my code import 'package:flutter/material.dart'; import 'bar_chart_sample1.dart'; class Ba

Flutter Ambient UI - What should be the optimised approach for production level responsive app in web, android and ios platform using single codebase?

I was trying out flutter platform to create a multipage website with android and ios responsiveness using single codebase for my flutter app. I've already tried

How to use tokenColorCustomizations VS Code text color changer in dart?

tokenColorCustomizations does not stick with dart, I can change JSON file but the color does not stick to it.

How to set container in stack in Flutter

I have created a simple app, and facing an issue. I just want the content a little bit over the bottom of the image. but can't set position to container. gets e

type 'bool' is not a subtype of type 'List<String>' in type cast - flutter/dart

I'm trying to set a list of string in the shared preferences but for unknown reason, it is throwing up the following error type 'bool' is not a subtype of type

Flutter custom ButtonNavigationBar

How can I customize UI design like the following in flutter? Sample Image

The argument type 'Object?' can't be assigned to the parameter type 'List<Siswa>'

I have a two error for this Flutter apps. The argument type 'Object?' can't be assigned to the parameter type 'List'. The property 'length' can't be uncondit

how can i change a RadioListTile button selection state after it has been initialized in flutter

I have created a RadioListTile based on a list of string items in an initStat function. But i could not get the radio button to change when it is being selected

Getting this flutter error when calling the nested list of data from firestore database. Getting null method call []("orientation")

I'm getting this null error when calling the firebase firestore database. It's working fine with my other data. Only getting error with this nested List of 'ori

Flutter: Voice Detection Trigger Phrase

I am currently using the speech_to_text package to add voice control to my Flutter app. This voice detection is triggered by a button click. Is there any way to