CircularProgressIndicator in flutter

.In Flutter, we can simply wrap the CircularProgressIndicator widget as a Container widget and specify the height and width of the container to increase and reduce the size of the CircularProgressIndicator of Mobile application.A simple video of  circularProgressIndecator  below mention.


Step-by-Step Implementation

Step 1: Create a New Project in Android Studio (File >new flutter project)


Step 2: Adding material package

Import method the runApp method in the main function call first while run the application.

 import 'package:flutter/material.dart';

 void main() {

     runApp(RunMyApp());

 }

Step 3: Creating a stateless widget 

We can create a stateless widget that contains MaterialApp widget,AppBar,etc.

 class RunMyApp extends StatelessWidget {

     const RunMyApp({super.key});  

    @override

    Widget build(BuildContext context) {

    return MaterialApp(home);

     }

 }

Step 4: Create a CircularProgressIndicator in main.dart file
 children: const [
   SizedBox(
     child: CircularProgressIndicator(),
     height: 200.0,
     width: 200.0,
   )
 ]
Step 5: Final code of CircularProgressIndicator
 import 'package:flutter/material.dart';

 void main() {
   runApp(HomeScreen());
 }
 class HomeScreen extends StatelessWidget {
   const HomeScreen({super.key});
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       home: Scaffold(
         appBar: AppBar(
          title: Text('Circular progress'),
            backgroundColor: Colors.blue
        ),
        body: Container(
          child: Center(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.center,
              children: const [
                SizedBox(
                  height: 30,
                ),
                SizedBox(
                  child: CircularProgressIndicator(),
                  height: 200.0,
                  width: 200.0,
                ),
                SizedBox(
                  height: 30,
                ),
                SizedBox(
                  child: CircularProgressIndicator(),
                  height: 130.0,
                  width: 130.0,
                ),
                SizedBox(
                  height: 30,
                 ),
               ],
             ),
           ),
         ),
      ),
     );
   }
 }
Step 6: Output of above example 


Happy coding!

365Bloggy June 6, 2024
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