Camera App - GlobalMediaBridge/cosmetic-server GitHub Wiki

import 'package:flutter/material.dart';

void main() {
  runApp(
    MaterialApp(
      theme: ThemeData.dark(),
      home: TakePictureScreen(),
    ),
  );
}

class TakePictureScreen extends StatefulWidget {
  @override
  _TakePictureScreenState createState() => _TakePictureScreenState();
}


class _TakePictureScreenState extends State<TakePictureScreen> {

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('Take a picture')),
      body: Center(child:Text('camera'))
    );
  }
}

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();

  final cameras = await availableCameras();

  final firstCamera = cameras.first;

  runApp(
    MaterialApp(
      theme: ThemeData.dark(),
      home: TakePictureScreen(
        camera: firstCamera,
      ),
    ),
  );
}

import 'dart:async';
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:camera/camera.dart';
import 'package:path/path.dart' show join;
import 'package:path_provider/path_provider.dart';

  final CameraDescription camera;

  const TakePictureScreen({
    Key key,
    @required this.camera,
  }) : super(key: key);

  CameraController _controller;
  Future<void> _initializeControllerFuture;

  @override
  void initState() {
    super.initState();
    _controller = CameraController(
      widget.camera,
      ResolutionPreset.medium,
    );

    _initializeControllerFuture = _controller.initialize();
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('Take a picture')),
      body: FutureBuilder<void>(
        future: _initializeControllerFuture,
        builder: (context, snapshot) {
          if (snapshot.connectionState == ConnectionState.done) {
            return CameraPreview(_controller);
          } else {
            return Center(child: CircularProgressIndicator());
          }
        },
      )
    );
  }

    Scaffold(
      floatingActionButton: FloatingActionButton(
        child: Icon(Icons.camera_alt),
        onPressed: () { },
      ),
      floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,
    );

        onPressed: () {
          try {
            await _initializeControllerFuture;

            final path = join(
              (await getTemporaryDirectory()).path,
              '${DateTime.now()}.png',
            );

            await _controller.takePicture(path);

          } catch (e) {
            // If an error occurs, log the error to the console.
            print(e);
          }
        },

class DisplayPictureScreen extends StatelessWidget {
  final String imagePath;

  const DisplayPictureScreen({Key key, this.imagePath}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('Display the Picture')),
      body: Image.file(File(imagePath)),
    );
  }
}

            Navigator.push(
              context,
              MaterialPageRoute(
                builder: (context) => DisplayPictureScreen(imagePath: path),
              ),
            );