camera_view_flutter

import 'package:camera/camera.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_storage/firebase_storage.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'dart:io';
import 'package:firebase_storage/firebase_storage.dart' as firebase_storage;
import 'package:flutter_application_1_story_camera/functions/cameraFunctions.dart';
import 'package:flutter_application_1_story_camera/screens/cameraView.dart';
import 'package:flutter_application_1_story_camera/widgets/cameraUI.dart';

late List<CameraDescription> cameras;

class CameraScreen extends StatefulWidget {
  const CameraScreen({Key? key}) : super(key: key);

  @override
  _CameraScreenState createState() => _CameraScreenState();
}

class _CameraScreenState extends State<CameraScreen>
    with WidgetsBindingObserver {
  late CameraController _controller;
  late Future<void> _initController;
  var isCameraReady = false;
  // bool isRecoring = false;
  bool iscamerafront = true;
  double transform = 0;
  // bool flash = false;

  late XFile imageFile;

  @override
  void initState() {
    FirebaseFirestore.instance;
    super.initState();
    initCamera();
    WidgetsBinding.instance!.addObserver(this);
  }

  @override
  void dispose() {
    WidgetsBinding.instance!.removeObserver(this);
    _controller.dispose();
    super.dispose();
  }

  // @override
  // void didChangeAppLifecycleState(AppLifecycleState state) {
  //   if (state == AppLifecycleState.resumed)
  //     _initController =
  //         (_controller != null ? _controller.initialize() : null)!;

  //   super.didChangeAppLifecycleState(state);
  // }

  // Widget cameraWidget(context) {
  //   var camera = _controller.value;
  //   return CameraPreview(_controller);
  // }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.black,
      // appBar: AppBar(),
      body: FutureBuilder<void>(
        future: _initController,
        builder: (context, snapshot) {
          if (snapshot.connectionState == ConnectionState.done) {
            return CameraUi(
              controller: _controller,
              initController: _initController,
              cameras: cameras,
              iscameraFront: iscamerafront,
            );
          } else {
            return const Center(child: CircularProgressIndicator());
          }
        },
      ),
    );
  }

  Future<void> initCamera() async {
    cameras = await availableCameras();
    // final firstCamera = cameras.first;
    _controller = CameraController(
      cameras[0],
      ResolutionPreset.veryHigh,
    );
    _initController = _controller.initialize();
    if (!mounted) return;
    setState(() {
      isCameraReady = true;
    });
  }
}