Flutter Snippets Helper

Essential Flutter widget snippets for rapid development. This extension provides commonly used Flutter widgets and patterns as snippets to speed up your development workflow.

Features

This extension includes snippets for:

Basic Widgets

• stless → Creates a StatelessWidget

  class WidgetName extends StatelessWidget {
    const WidgetName({super.key});
  
    @override
    Widget build(BuildContext context) {
      return Container();
    }
  }
  

• stful → Creates a StatefulWidget

  class WidgetName extends StatefulWidget {
    const WidgetName({super.key});
  
    @override
    State<WidgetName> createState() => _WidgetNameState();
  }
  
  class _WidgetNameState extends State<WidgetName> {
    @override
    Widget build(BuildContext context) {
      return Container();
    }
  }
  

Layout Widgets

• col → Column with alignment options
• row → Row with alignment options
• stack → Stack with Positioned child
• cont → Container with decoration and shadow
• responsive → Responsive layout builder

List & Grid Widgets

• lvb → ListView.builder

  ListView.builder(
    itemCount: items.length,
    itemBuilder: (context, index) {
      return ListTile(
        title: Text('Item $index'),
      );
    },
  )
  

• gvb → GridView.builder with customizable parameters

Navigation & Structure

• scaffold → Scaffold with AppBar and FloatingActionButton
• appbar → Custom AppBar with leading and actions
• drawer → Navigation Drawer with header
• tabs → TabBar with TabBarView
• matapp → MaterialApp with theme setup

Async Widgets

• fb → FutureBuilder with loading and error handling

  FutureBuilder<dynamic>(
    future: myFuture,
    builder: (context, snapshot) {
      if (snapshot.connectionState == ConnectionState.waiting) {
        return const CircularProgressIndicator();
      }
      if (snapshot.hasError) {
        return Text('Error: ${snapshot.error}');
      }
      return Container();
    },
  )
  

• sb → StreamBuilder with loading and error handling

State Management

• providerclass → Provider ChangeNotifier class

  class MyProvider extends ChangeNotifier {
    int _value = 0;
    int get value => _value;
  
    void updateValue(int newValue) {
      _value = newValue;
      notifyListeners();
    }
  }
  

• getxc → GetX Controller class

• bloc → BLoC class with event handler

UI Components

• card → Card with padding and content
• btn → Styled ElevatedButton
• form → Form with validation
• animcont → AnimatedContainer with duration
• pageview → PageView with controller

Usage

1. Install the extension
2. Open a .dart file
3. Start typing the snippet prefix (e.g., stless)
4. Press Tab to insert the snippet
5. Use Tab to navigate through the placeholders

Examples

Creating a Form

// Type 'form' and press Tab
final _formKey = GlobalKey<FormState>();

Form(
  key: _formKey,
  child: Column(
    children: [
      TextFormField(
        decoration: const InputDecoration(
          labelText: 'Label',
          hintText: 'Enter text',
        ),
        validator: (value) {
          if (value == null || value.isEmpty) {
            return 'Please enter some text';
          }
          return null;
        },
      ),
      ElevatedButton(
        onPressed: () {
          if (_formKey.currentState!.validate()) {
            // Process data
          }
        },
        child: const Text('Submit'),
      ),
    ],
  ),
)

Creating a Responsive Layout

// Type 'responsive' and press Tab
LayoutBuilder(
  builder: (context, constraints) {
    if (constraints.maxWidth < 600) {
      return // Mobile layout
    } else if (constraints.maxWidth < 900) {
      return // Tablet layout
    } else {
      return // Desktop layout
    }
  },
)

Requirements

• VS Code 1.93.0 or higher
• Dart/Flutter extension installed

Known Issues

None at the moment. Please report any issues on our GitHub repository.

Release Notes

0.0.2

• Added comprehensive snippets documentation
• Added icon and improved package metadata
• Fixed snippet formatting issues

0.0.1

• Initial release with essential Flutter snippets
• Basic widget templates
• Layout widgets
• Navigation patterns
• State management templates
• Form and validation snippets

Contributing

Feel free to submit issues and enhancement requests on our GitHub repository.

Working with the Extension

• Press Ctrl+Space (Windows, Linux, macOS) to see all available snippets
• Type the snippet prefix (e.g., stless) and press Tab
• Use Tab to navigate through the snippet placeholders

For more information

• Flutter Documentation
• VS Code Extension Guidelines
• Extension Repository

Enjoy coding Flutter faster!