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  Widget cameraOptionsWidget() {
    return Padding(
      padding: const EdgeInsets.all(5.0),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.start,
        children: <Widget>[
          showCamera ? cameraTogglesRowWidget() : Container(),
        ],
      ),
    );

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void onTakePictureButtonPressed() {
    takePicture().then((String filePath) {
      if (mounted) {
        setState(() {
          showCamera = false;
          imagePath = filePath;
        });
      }
    });
  }

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 Widget captureControlRowWidget() {
    return Row(
      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
      mainAxisSize: MainAxisSize.max,
      children: <Widget>[
        IconButton(
          icon: const Icon(Icons.camera_alt),
          color: Colors.blue,
          onPressed: controller != null && controller.value.isInitialized
              ? onTakePictureButtonPressed

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  Widget editCaptureControlRowWidget() {
    return Padding(
      padding: const EdgeInsets.only(top: 5),
      child: Align(
        alignment: Alignment.topCenter,
        child: IconButton(
          icon: const Icon(Icons.camera_alt),
          color: Colors.blue,
          onPressed: () => setState(() {
                showCamera = true;

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Widget imagePreviewWidget() {
    return Container(
        child: Padding(
      padding: const EdgeInsets.only(top: 10),
      child: Align(
        alignment: Alignment.topCenter,
        child: imagePath == null
            ? null
            : SizedBox(
                child: Image.file(File(imagePath)),

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Widget cameraPreviewWidget() {
    if (!isReady || !controller.value.isInitialized) {
      return Container();
    }
    return AspectRatio(
        aspectRatio: controller.value.aspectRatio,
        child: CameraPreview(controller));
  }

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 Widget build(BuildContext context) {
    return Scaffold(
        key: scaffoldKey,
        body: Center(
            child: SingleChildScrollView(
          padding: const EdgeInsets.all(8.0),
          child: Column(
            children: <Widget>[
              Center(
                child: showCamera

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 @override
  void initState() {
    super.initState();
    setupCameras();
  }

  Future<void> setupCameras() async {
    try {
      cameras = await availableCameras();
      controller = new CameraController(cameras[0], ResolutionPreset.medium);

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class CameraState extends State<CameraWidget> {
  final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
  List<CameraDescription> cameras;
  CameraController controller;
  bool isReady = false;
  bool showCamera = true;
  String imagePath;
  // Inputs
  TextEditingController nameController = TextEditingController();
  TextEditingController countryController = TextEditingController();

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 final widgetOptions = [
    new BeerListPage(),
    new CameraWidget(),
    Text('Favourites'),
  ];