flutter Archives - Page 2 of 5

flutter, Programming

IT Nursery

There are multiple heroes that share the same tag within a subtree

I am trying to navigate from one screen to another with route. When I hit the button for the page to move to ...

May 29, 2022
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flutter, Programming

IT Nursery

Passing Data to a Stateful Widget in Flutter

I’m wondering what the recommended way of passing data to a stateful widget, while creating it, is. The two styles I’ve seen are: ...

May 27, 2022
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flutter, Programming

IT Nursery

Flutter plugin not installed error; When running ‘flutter doctor’

I am configuring the Flutter SDK on my Linux Ubuntu 16.04 (Xenial Xerus) system. Why am I getting the following error when I run ...

May 27, 2022
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Flutter: Unhandled Exception: ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized

Any solution to solve this problem? Stacktrace:...

May 25, 2022
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How to run code after some delay in Flutter?

I’d like to execute a function after a certain delay after my Widget is built. What’s the idiomatic way of doing this in ...

May 25, 2022
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How can I add shadow to the widget in flutter?

How can I add shadow to the widget like in the picture below? This is my current widget code. 13 Answers 13

May 24, 2022
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The equivalent of wrap_content and match_parent in flutter?

In Android match_parent and wrap_content are used to resize the widgets automatically relative to their parent to the content the widget contains. In ...

May 24, 2022
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What is the difference between named and positional parameters in Dart?

Dart supports both named optional parameters and positional optional parameters. What are the differences between the two? Also, how can you tell if ...

May 24, 2022
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Vertical viewport was given unbounded height

This is my code: @override Widget build(BuildContext context) { return new Material( color: Colors.deepPurpleAccent, child: new Column( mainAxisAlignment: MainAxisAlignment.center, children:<Widget>...

May 23, 2022
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How to show/hide widgets programmatically in Flutter

In Android, every single View subclass has a setVisibility() method that allows you modify the visibility of a View object There are 3 ...

May 23, 2022
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