How to Remove Debug Text Banner in Flutter Application?

In this tutorial we will learn to remove debug text banner in flutter application. When we first time setup the project and install it in device it shows debug text banner at right top side of application so if we want to remove it we simply need to add debugShowCheckedModeBanner to Material app or Cupertino app.

To hide or remove the debug banner add debugShowCheckedModeBanner with value false to Material App or Cupertino app. You can simple add it as follow

MaterialApp(
  debugShowCheckedModeBanner: false
)

CupertinoApp(
  debugShowCheckedModeBanner: false
)

Note: You only need to add it in root main material app not in all widget.

Let’s understand Remove Debug Text Banner in Flutter Application with an example

Step 1 : Create flutter project

Very first step is to create the fluter application using command line tool or in Android studio.

flutter create example_app

This will create a new project with name my_app then go in to the folder .

Step 2 : Update main.dart file

Now, open the main.dart file and add the debugShowCheckedModeBanner with value false to Material App

File : lib/main.dart

import 'package:example_app/assetimagedemo.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,  // <-- add this
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const  Container(child:Text("Test")),
    );
  }
}

Step 3: Run the project

Simply run the project using command line or in android studio to check the implementation.

flutter run lib/main.dart

Screenshot :

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