i copied the code from https://github.com/felangel/bloc/tree/master/examples/flutter_todosapplication runs perfectly on the web and on the android emulator. BUT does not launch via APK on a physical device. Gives the error: "app not installed as package appears to be invalid". How to…
I have added "carousel_pro: ^1.0.0" under dependencies in my pubspec.yaml file and imported in my desired file using "import 'package:carousel_pro/carousel_pro.dart';". Heres the whole file import 'package:carousel_pro/carousel_pro.dart'; import 'package:flutter/material.dart'; class CarouselImages extends StatefulWidget { final List<String> imagesListUrl; CarouselImages(this.imagesListUrl); @override _CarouselImagesState createState()…
i'm trying to make a page that has 8 widget in 2 column , every column involve 2 widget for image and under every image , one bottun. I used textbutton and image in a column.but it overflowed .could you…
The Problem The isEmpty check is returning true for a non-empty String field. My guess is - TextEditingController's String metadata is not updating with string update from an async load. I'm not sure if I'm missing something obvious or if…
I was specifying the textSize in the textTheme of ThemeData. textTheme: const TextTheme( displayLarge: TextStyle( color: Colors.black, letterSpacing: 4, fontSize: 25, ), displayMedium: TextStyle( color: Colors.black, letterSpacing: 2, fontSize: 18, ), ), However, with this approach, the text may become…
I am trying to change the colour of a Text field widget to red if the email address does not exist or is incorrect. This change should happen as soon as the login button is clicked: Here is the code…
I have a problem here. I am using flutter BloC . I Have Two block need to be applied to the app (Theme and Language). I used MultiBlocProvider with Builder to clear the code as possible. The problem is when…
When specifying a ColumnWidget as the child property of an AlignWidget, the Alignment's [Y] doesn't work. When specifying the mainAxisAlignment of a ColumnWidget, you can set the Alignment for [Y] as center, top, or bottom, but you cannot specify it…
I have a flutter application with a bottom navigation bar that keeps page states in the navigation (I use go_router). I've been trying for a long time to get a callback on my fav page as soon as I arrive…
I am trying to create a new user in Firebase. I am using the auth.createUserWithEmailAndPassword method but it does not create a new entry in the firebase db. Here is my code: final newUser = await _auth.createUserWithEmailAndPassword( email: email, password:…