fcs/lib/pages/widgets/image_file_picker.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter_vector_icons/flutter_vector_icons.dart';
import 'package:image_picker/image_picker.dart';
import 'local_text.dart';

typedef OnFile = void Function(File);

modelBottomSheet(BuildContext context, {final OnFile onFile}) {
  showModalBottomSheet(
      elevation: 10,
      backgroundColor: Colors.white,
      context: context,
      builder: (BuildContext context) {
        return ImageFile(onFile: onFile);
      });
}

class ImageFile extends StatefulWidget {
  final OnFile? onFile;

  const ImageFile({Key? key, this.onFile}) : super(key: key);
  @override
  _ImageFileState createState() => _ImageFileState();
}

class _ImageFileState extends State<ImageFile> {
  File? selectedFile;
  @override
  Widget build(BuildContext context) {
    return Container(
      padding: EdgeInsets.only(bottom: 20, top: 20),
      child: new Wrap(
        children: <Widget>[
          new ListTile(
              leading: CircleAvatar(
                radius: 20,
                backgroundColor: Colors.green,
                child: Icon(MaterialIcons.insert_photo, color: Colors.white),
              ),
              title: LocalText(context, "pm.gallery",
                  color: Colors.black87, fontSize: 15),
              onTap: () async {
                Navigator.pop(context);
                selectedFile = await pickImage(ImageSource.gallery);
                if (widget.onFile != null) widget.onFile!(selectedFile!);
              }),
          new ListTile(
            leading: CircleAvatar(
              backgroundColor: Colors.blue,
              radius: 20,
              child: Center(child: Icon(AntDesign.camera, color: Colors.white)),
            ),
            title: LocalText(context, "pm.camera",
                color: Colors.black87, fontSize: 15),
            onTap: () async {
              Navigator.pop(context);
              selectedFile = await pickImage(ImageSource.camera);

              if (widget.onFile != null) widget.onFile!(selectedFile!);
            },
          ),
          new ListTile(
            leading: CircleAvatar(
              backgroundColor: Colors.red,
              radius: 20,
              child: Icon(Icons.delete, color: Colors.white),
            ),
            title: LocalText(context, "pm.remove_photo",
                color: Colors.black87, fontSize: 15),
            onTap: () {
              Navigator.pop(context);
              setState(() {
                selectedFile = null;
              });

              if (widget.onFile != null) widget.onFile!(selectedFile!);
            },
          ),
        ],
      ),
    );
  }

  pickImage(ImageSource source) async {
    var tempImage = await ImagePicker.pickImage(source: source);
    return tempImage;
  }
}