This is what I’m trying to make: In the Flutter docs for Text Fields (https://flutter.io/text-input/) it says you can remove the underline by passing null to the decoration. However, that also gets rid of the hint text. I do not want any underline whether the text field is focused or not. UPDATE: updated accepted answer … Read more
How would you approach adding a splash screen to Flutter apps? It should load and display before any other content. Currently, there is a brief flash of color before the Scaffold(home:X) widget loads. 25 Answers 25
I would like to be able to run functions once a Widget has finished building/loading but I am unsure how. My current use case is to check if a user is authenticated and if not, redirect to a login view. I do not want to check before and push either the login view or the … Read more
Working on my first flutter app. The main app screen doesn’t have this issue, all the texts show up as they should. However in this new screen I’m developing, all the text widget have some weird yellow line / double-line underneath. Any ideas on why this is happening? 14 Answers 14
I’m just starting to get the hang of Flutter, but I’m having trouble figuring out how to set the enabled state of a button. From the docs, it says to set onPressed to null to disable a button, and give it a value to enable it. This is fine if the button continues to be … Read more
I am trying to set a background image for the home page. I am getting the image place from start of the screen and filling the width but not the height. Am I missing something in my code? Are there image standards for flutter? Do images scale based on each phone’s screen resolution? class BaseLayout … Read more
I have 2 screens in my Flutter app: a list of records and a screen for creating and editing records. If I pass an object to the second screen that means I am going to edit this and if I pass null it means that I am creating a new item. The editing screen is … Read more
I’m getting a rendering exception that I don’t understand how to fix. I’m attempting to create a column that has 3 rows. Row [Image] Row [TextField ] Row [Buttons] Here is my code to build the container: Container buildEnterAppContainer(BuildContext context) { var container = new Container( padding: const EdgeInsets.all(8.0), child: new Column( mainAxisAlignment: MainAxisAlignment.start, children: … Read more
I have realized that it is possible to create widgets using plain functions instead of subclassing StatelessWidget. An example would be this: Widget function({ String title, VoidCallback callback }) { return GestureDetector( onTap: callback, child: // some widget ); } This is interesting because it requires far less code than a full-blown class. Example: class … Read more
So far whenever I needed to use a conditional statement within a Widget I have done the following (Using Center and Containers as simplified dummy examples): new Center( child: condition == true ? new Container() : new Container() ) Though when I tried using an if/else statement it would lead to an Dead code warning: … Read more
