Implementing Accessibility

import 'package:flutter/material.dart';

class AccessibleButton extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Semantics(
      button: true,
      label: "Press to submit form",
      child: ElevatedButton(
        onPressed: () {},
        child: Text("Submit"),
      ),
    );
  }
}

class AccessibleImage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Semantics(
      label: "A beautiful sunset over the ocean",
      child: Image.asset("assets/sunset.jpg"),
    );
  }
}

Text(
  'Save',
  semanticsLabel: 'Save Button',
)

Text(
  'Home',
  semanticsHint: 'Navigate to home page',
)

<MergeSemantics>
  <Text>"Hello"</Text>
  <Text>"World"</Text>
</MergeSemantics>

ExcludeSemantics(
  excluding: true,
  child: Text('This text will be ignored by screen readers'),
)

Text(
  'Welcome',
  accessibilityLabel: 'Welcome message for the user'
)

ElevatedButton(
  onPressed: () {},
  accessibilityHint: 'Tap to navigate to the next screen',
  child: Text('Next')
)

SemanticsService.announce('This is an important announcement');

Container(
  width: 48.0,
  height: 48.0,
  child: ElevatedButton(
    onPressed: () {},
    child: Text('Button'),
  ),
)

Text(
  'Accessible Text',
  style: TextStyle(
    color: Colors.black, // Ensure sufficient contrast
    fontSize: 16,
  ),
)

import 'package:flutter_driver/flutter_driver.dart';
import 'package:test/test.dart';

void main() {
  group('Accessibility Test', () {
    FlutterDriver driver;

    setUp(() async {
      driver = await FlutterDriver.connect();
    });

    tearDown(() async {
      await driver?.close();
    });

    test('Check if all elements have content descriptions', () async {
      final finder = find.byType('Text');
      final elements = await driver.findAll(finder);
      for (final element in elements) {
        final hasSemantics = await driver.isSemantic(
          element,
          property: 'hasSemantics',
        );
        expect(hasSemantics, isTrue);
      }
    });
  });
}

class FocusExample extends StatelessWidget {
  final FocusNode focusNode1 = FocusNode();
  final FocusNode focusNode2 = FocusNode();

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        TextField(
          focusNode: focusNode1,
          decoration: InputDecoration(labelText: 'Field 1'),
        ),
        TextField(
          focusNode: focusNode2,
          decoration: InputDecoration(labelText: 'Field 2'),
        ),
        ElevatedButton(
          onPressed: () {
            focusNode2.requestFocus();
          },
          child: Text('Focus Field 2'),
        ),
      ],
    );
  }
}

class KeyboardNavExample extends StatelessWidget {
  final FocusNode focusNode = FocusNode();

  @override
  Widget build(BuildContext context) {
    return FocusScope(
      node: focusNode,
      child: Column(
        children: [
          TextField(decoration: InputDecoration(labelText: 'Input 1')),
          TextField(decoration: InputDecoration(labelText: 'Input 2')),
        ],
      ),
    );
  }
}