mohemm-flutter-app/lib/widgets/image_picker.dart

import 'dart:convert';
import 'dart:io';

import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:mohem_flutter_app/classes/colors.dart';
import 'package:mohem_flutter_app/extensions/string_extensions.dart';
import 'package:mohem_flutter_app/widgets/bottom_sheet.dart';
import 'package:mohem_flutter_app/widgets/bottom_sheets/attachment_options.dart';

class ImageOptions {
  static void showImageOptionsNew(BuildContext context, Function(String, File) image) {
    showMyBottomSheet(
      context,
      child: AttachmentOptions(
        onCameraTap: () async {
          if (Platform.isAndroid) {
            cameraImageAndroid(image);
          } else {
            File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.camera, imageQuality: 20))?.path ?? "");
            String fileName = _image.path;
            var bytes = File(fileName).readAsBytesSync();
            String base64Encode = base64.encode(bytes);
            if (base64Encode != null) {
              image(base64Encode, _image);
            }
          }
        },
        onGalleryTap: () async {
          if (Platform.isAndroid) {
            galleryImageAndroid(image);
          } else {
            File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.gallery, imageQuality: 20))?.path ?? "");
            String fileName = _image.path;
            var bytes = File(fileName).readAsBytesSync();
            String base64Encode = base64.encode(bytes);
            if (base64Encode != null) {
              image(base64Encode, _image);
            }
          }
        },
        onFilesTap: () async {
          FilePickerResult? result = await FilePicker.platform.pickFiles();
        },
      ),
    );
  }

  static void showImageOptions(BuildContext context, Function(String, File) image) {
    showModalBottomSheet(
        backgroundColor: Colors.transparent,
        context: context,
        builder: (BuildContext bc) {
          return _BottomSheet(
            children: <Widget>[
              _BottomSheetItem(
                title: "Select File Source",
                onTap: () {},
                icon: Icons.file_present,
                color: MyColors.black,
              ),
              _BottomSheetItem(
                title: "Gallery",
                icon: Icons.image,
                onTap: () async {
                  if (Platform.isAndroid) {
                    galleryImageAndroid(image);
                  } else {
                    File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.gallery, imageQuality: 20))?.path ?? "");
                    String fileName = _image.path;
                    var bytes = File(fileName).readAsBytesSync();
                    String base64Encode = base64.encode(bytes);
                    if (base64Encode != null) {
                      image(base64Encode, _image);
                    }
                  }
                },
              ),
              _BottomSheetItem(
                title: "Camera",
                icon: Icons.camera_alt,
                onTap: () async {
                  if (Platform.isAndroid) {
                    cameraImageAndroid(image);
                  } else {
                    File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.camera, imageQuality: 20))?.path ?? "");
                    String fileName = _image.path;
                    var bytes = File(fileName).readAsBytesSync();
                    String base64Encode = base64.encode(bytes);
                    if (base64Encode != null) {
                      image(base64Encode, _image);
                    }
                  }
                },
              ),
              _BottomSheetItem(
                title: "Cancel",
                onTap: () {},
                icon: Icons.cancel,
                color: MyColors.redColor,
              )
            ],
          );
        });
  }
}

void galleryImageAndroid(Function(String, File) image) async {
  File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.gallery, imageQuality: 20))?.path ?? "");
  String fileName = _image.path;
  var bytes = File(fileName).readAsBytesSync();
  String base64Encode = base64.encode(bytes);
  if (base64Encode != null) {
    image(base64Encode, _image);
  }
}

void cameraImageAndroid(Function(String, File) image) async {
  File _image = File((await ImagePicker.platform.pickImage(source: ImageSource.camera, imageQuality: 20))?.path ?? "");
  String fileName = _image.path;
  var bytes = File(fileName).readAsBytesSync();
  String base64Encode = base64.encode(bytes);
  if (base64Encode != null) {
    image(base64Encode, _image);
  }
}

class _BottomSheet extends StatelessWidget {
  final List<Widget> children;

  const _BottomSheet({Key? key, required this.children}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(vertical: 12.0),
      decoration: BoxDecoration(color: Theme.of(context).backgroundColor, borderRadius: const BorderRadius.only(topLeft: Radius.circular(16.0), topRight: Radius.circular(16.0))),
      child: SafeArea(
        top: false,
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            Container(
              decoration: BoxDecoration(color: Theme.of(context).dividerColor, borderRadius: BorderRadius.circular(3.0)),
              width: 40.0,
              height: 6.0,
            ),
            ...children
          ],
        ),
      ),
    );
  }
}

class _BottomSheetItem extends StatelessWidget {
  final Function onTap;
  final IconData icon;
  final String title;
  final Color color;

  _BottomSheetItem({Key? key, required this.onTap, required this.title, required this.icon, this.color = MyColors.gradiantStartColor}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return InkWell(
      onTap: () {
        if (onTap != null) {
          Navigator.pop(context);
          onTap();
        }
      },
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 18.0, vertical: 18.0),
        child: Row(
          children: <Widget>[
            if (icon != null)
              Icon(
                icon,
                color: color,
                size: 18.0,
              ),
            if (icon != null) const SizedBox(width: 24.0),
            title.toText17(),
          ],
        ),
      ),
    );
  }
}