Python - Kivy: AttributeError: 'super' object has no attribute '__getattr__' when trying to get self.ids

I wrote a code for a kind of android lock thing, whenever I try to get an specific ClickableImage using the id it raises the following error: AttributeError: 'super' object has no attribute...

Load Gif into Gtk 3 Window C\C++

I'm trying to create a c application with code::block that use Gtk 3 as a graphics library This version of gtk is a bit different from gtk 2 and not so much tutorials or exampes are avaiable...

How to implement a right navbar in flutter?

The flutter scaffold shows a right navbar, but I suppose there is no right nav widget. How do I implement a right navbar with scaffold in flutter? Flutter Scaffold Image

How to add Multiple Floating button in Stack Widget in Flutter

In flutter one view over another view using Stack Widget. It's work fine. Now I need to added two floating button left and right side of bottom of screen. I added one button right side but I dnt...

Flutter: keyboard disappears immediately when editing my text fields

I'm trying to build an app front end with flutter and it's my first time so I faced some bugs like this one: there is no way to edit my textformfield because I putted my form elements in a...

Flutter: Add box shadow to a transparent Container

I'm trying to make a widget that renders one of the circles shown in this image. It is a transparent circle with a box-shadow. The circle should show whichever color or background image that is...

Flutter Grid view is not scrolling

I am adding a header in the grid view. The header is scrolling but when touching grid view. It is not scrolling. I want to scroll header and gridview. I have used SingleChildScrollView and...

RenderCustomMultiChildLayoutBox object was given an infinite size during layout. flutter error

I am new to flutter and am trying to implement custom list view in flutter. Its giving be RenderCustomMultiChildLayoutBox object was given an infinite size during layout error I am not able to...

Is there a way to display an image if the requested image is not in my assets?

the title might be a bit confusing but i'll try to explain it better with an example. I am using the widget Image.asset( 'assets/images/${object.name}.jpg', ), but i want to...

Flutter:: Invalid argument(s): No host specified in URI file://image name

When trying to add images inside gridview.count Widget. Images are not getting loaded and getting flowing error in console. Images are placed in local - asset Folder body: center( ...

How to set minimum height of SliverAppBar within NestedScrollView in Flutter

I'd like to use SliverAppBar within NestedScrollView in an ordinary Scaffold app. I also would like to have some minimum height of the app bar when user scrolls down. I can't figure out how to use...

How to center two Texts in Flutter

I have the next widget: class PoinstsDisplayState extends State<PoinstsDisplay> { @override Widget build(BuildContext context) { return new Container( width:...

How to edit logged in user HTML message?

I have Elementor installed on Wordpress and I have used the Elementor Login widget on my site. It basically lets users sign in and after sign in it comes up with a message saying, "You are logged...

The method 'call' was called on null. Receiver: null

I have just started working on the flutter application and I am getting this kind of exception on pressing save button. The method 'call' was called on null. Receiver: null Tried calling:...

Flutter - Image share using flutter plugin giving me a blackend screen?

Currently, i want to share my image with other apps using esys_flutter_share and wc_flutter_share Plugin using following code. import 'package:esys_flutter_share/esys_flutter_share.dart' as...

Flutter custom font doesn't change

I tried to use a custom font for my AppBar, but it didn't change. I tried with two different fonts, RobotoMono and DancingScript, but nothing, the app did't change the font. I tried to unistall...

Flutter: display photo or image as modal popup

I'm trying to find a solution to have in flutter kind of modal dialog coming up, like an overlay widget over the screen. Use case: I have a user photo shown as small circle avatar image. If the...

How to get rid of: "FileSystemException: Cannot open file, path = '...' (OS Error: Permission denied, errno = 13)"?

I'm trying to display an image from my phone in my Flutter app and getting following error: Another exception was thrown: FileSystemException: Cannot open file, path =...

Using Webviews in Flutter

I have a very complex Cordova app on Android that I have developed over a period of over a year. The app uses one custom, i.e written by me, Cordova plugin. A I consider a port of the app to iOS...

How do i implement iOS style delete in flutter

I am looking to implement iOS type delete in flutter. Please see image below. Is there a widget which provides this functionality? Or do i need to implement it myself? Image here

How to get ListView builder data using api response in flutter ui using provider

Im trying to get an response from provider and fetching in a ui page but when i try to add an response to ui it shows an error The getter 'data' was called on null. Receiver: null Tried calling:...

upload image using multipart in flutter

i want to upload a image which has come from signature pad which is in the form of unit8list and i want to upload that image using multipart in flutter. my signature pad code is:- import...

Convert uint8list image to a supported Image file(jpg or etc.)

In android 10 and 11 (SDK number 29 and 30) music covers (artworks) formats aren't the same as previous versions, in fact, they aren't readable as a supported image file such as jpg or png, they...

Flutter showing extra space in gridview how can i remove it

I have a simple widget and in the widget, I have a brown and a grid view. The issue is it's showing extra space in end because of height. If I remove height then the widget isn't...

Flutter Error: Execution failed for task ':app:compileFlutterBuildDebug

I reinstall my flutter and trying to load my app again, but I am having trouble loading it up. I have tried for three days, even reinstalling my window and all program again, but I did not have...

No speakable text present at Android Studio

When adding a field for entering a number(Number widget), the error "No speakable text present at Android Studio" takes off enter image description here content_main.xml: enter image description...

How to stop Asset Audio Player(assets_audio_player package) ,while navigate to next page

In my code I use Asset Audio player package to play background music. But after I navigate to next page it Still Continue playing the Music. How should I stop this while navigate to next...

Because every version of flutter_test from sdk depends on path 1.8.1 and easy_localization 3.0.0 depends on path >=1.8.0-nullsafety

Because every version of flutter_test from sdk depends on path 1.8.1 and easy_localization 3.0.0 depends on path >=1.8.0-nullsafety <=1.8.0, flutter_test from sdk is incompatible with...

PickedImage getting null

I want to save an image locally on Device after Picking the Image From Gallery By using Path provider package . but _image file variable gets null after Selecting an Image From Gallery . Thats Why...

The named parameter 'fontSize' isn't defined. in flutter code

want to add 5 box containers display xs, s, m, l, xl sizes. but the code throwing errors. where should I correct this? please refer to the image here. I add a container to create those. I'm new to...