content: import 'package:flutter/material.dart';
  import 'package:provider/provider.dart';
  
  import 'nlp/entity_extraction.dart';
  import 'nlp/language.dart';
  import 'nlp/translate.dart';
  import 'vision/barcode_scanning.dart';
  import 'vision/digital_ink_recognition.dart';
  import 'vision/face_detection.dart';
  import 'vision/image_labeling.dart';
  import 'vision/oject_detection.dart';
  import 'vision/pose_detection.dart';
  import 'vision/selfie_segmentation.dart';
  import 'vision/text_recognition.dart';
  
  void main() {
    runApp(LearningApp());
  }
  
  class LearningApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        debugShowCheckedModeBanner: false,
        theme: ThemeData(
          primarySwatch: Colors.lightBlue,
          visualDensity: VisualDensity.adaptivePlatformDensity,
          primaryTextTheme: TextTheme(headline6: TextStyle(color: Colors.white)),
        ),
        home: LearningHome(),
      );
    }
  }
  
  class LearningHome extends StatefulWidget {
    @override
    _LearningHomeState createState() => _LearningHomeState();
  }
  
  class _LearningHomeState extends State<LearningHome> {
    Widget _menuItem(String text, Widget page) {
      return Card(
        elevation: 3,
        margin: EdgeInsets.symmetric(vertical: 7),
        child: ListTile(
          title: Text(text),
          onTap: () =>
              Navigator.push(context, MaterialPageRoute(builder: (_) => page)),
        ),
      );
    }
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          centerTitle: true,
          title: Text('Machine Learning Kit'),
        ),
        body: SingleChildScrollView(
          child: Column(
            children: [
              _menuItem(
                'Text Recognition',
                ChangeNotifierProvider(
                  create: (_) => LearningTextRecognitionState(),
                  child: LearningTextRecognition(),
                ),
              ),
              _menuItem(
                'Face Detection',
                ChangeNotifierProvider(
                  create: (_) => LearningFaceDetectionState(),
                  child: LearningFaceDetection(),
                ),
              ),
              _menuItem(
                'Pose Detection',
                ChangeNotifierProvider(
                  create: (_) => LearningPoseDetectionState(),
                  child: LearningPoseDetection(),
                ),
              ),
              _menuItem(
                'Selfie Segmentation',
                ChangeNotifierProvider(
                  create: (_) => LearningSelfieSegmentationState(),
                  child: LearningSelfieSegmentation(),
                ),
              ),
              _menuItem(
                'Barcode Scanning',
                ChangeNotifierProvider(
                  create: (_) => LearningBarcodeScanningState(),
                  child: LearningBarcodeScanning(),
                ),
              ),
              _menuItem(
                'Image Labeling',
                ChangeNotifierProvider(
                  create: (_) => LearningImageLabelingState(),
                  child: LearningImageLabeling(),
                ),
              ),
              _menuItem(
                'Object Detection & Tracking',
                ChangeNotifierProvider(
                  create: (_) => LearningObjectDetectionState(),
                  child: LearningObjectDetection(),
                ),
              ),
              _menuItem(
                'Digital Ink Recognition',
                ChangeNotifierProvider(
                  create: (_) => LearningDigitalInkRecognitionState(),
                  child: LearningDigitalInkRecognition(),
                ),
              ),
              _menuItem(
                'Language Detection',
                ChangeNotifierProvider(
                  create: (_) => LearningLanguageState(),
                  child: LearningLanguage(),
                ),
              ),
              _menuItem(
                'On-device Translation',
                ChangeNotifierProvider(
                  create: (_) => LearningTranslateState(),
                  child: LearningTranslate(),
                ),
              ),
              _menuItem(
                'Entity Extraction',
                ChangeNotifierProvider(
                  create: (_) => LearningEntityExtractionState(),
                  child: LearningEntityExtraction(),
                ),
              ),
            ],
          ),
        ),
      );
    }
  }
  