Question 197367 in Flutter Question posted in
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Flutter – Warning on Text Widget in my main.dart file

import 'package:flutter/material.dart';

void main() {
runApp(
const MaterialApp(

  home: Scaffold(
    backgroundColor: Colors.yellowAccent,
    appBar: AppBar(
        title: Text('I am Rich'),
    ),
  ),
)

);
}

I’m starting to study a new course on Flutter and get a warning saying "The constructor being called is not a constructor" Can somebody tell me why is that? It only appears when I add the Text Widget… What’s wrong here? thank you in advance. I’m a total beginner

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2

Answers


  1. 0 
    void main() {
  runApp(
    MaterialApp(
      home: Scaffold(
        backgroundColor: Colors.yellowAccent,
        appBar: AppBar(
          title: Text('I am Rich'),
        ),
      ),
    )
  );
}

    you should remove the const keyword in front of the MaterialApp, because AppBar() is not a const constructor

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  2. 0 
    home: Scaffold(
    backgroundColor: Colors.yellowAccent,
    appBar: AppBar(
      title: const Text('I am Rich'),
    ),
  ),

    You should add const keyword before your Text Widget. Because you have added static text in Text Widget.

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