BusinessAppFlutter/openclosenew/lib/25-addphotos1.dart

import 'dart:io';

import 'package:dotted_border/dotted_border.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:openclosenew/26-PhotoListing.dart';

import 'FontFamily.dart';
import 'colors.dart';
import 'fontsize.dart';

class addphotos1 extends StatefulWidget {
  addphotos1({Key? key}) : super(key: key);
  final state = _addphotos1State();
  @override
  State<addphotos1> createState() => state;
}

class _addphotos1State extends State<addphotos1> {
  bool uploading = false;
  double val = 0;

  List<File> _image = [];
  final picker = ImagePicker();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        elevation: 1,
        backgroundColor: White,
        iconTheme: IconThemeData(color: DarkGray),
        title: Text(
          'Add Photos',
          style: TextStyle(
            fontFamily: Font,
            fontStyle: FontStyle.normal,
            fontWeight: FontWeight.w500,
            fontSize: HeadText,
            color: DarkGray,
          ),
        ),
        actions: [
          MaterialButton(
            onPressed: () {
              setState(() {
                uploading = true;
              });
              uploadFile().whenComplete(() => Navigator.of(context)
                  .push(MaterialPageRoute(builder: (_) => HomePage())));
            },
            child: Text(
              'upload',
              style: TextStyle(color: DarkGray),
            ),
          )
        ],
      ),
      body: SafeArea(
        child: Stack(
          children: [
            Container(
              decoration: BoxDecoration(
                borderRadius: BorderRadius.all(
                  Radius.circular(10),
                ),
              ),
              padding: EdgeInsets.all(4),
              margin: EdgeInsets.only(left: 10, right: 10, top: 40),
              child: GridView.builder(
                  itemCount: _image.length + 1,
                  gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                    crossAxisCount: 3,
                    crossAxisSpacing: 10,
                  ),
                  itemBuilder: (context, index) {
                    return index == 0
                        ? Center(
                            child: InkWell(
                              onTap: () => !uploading ? chooseImage() : null,
                              child: DottedBorder(
                                dashPattern: [5, 5, 5, 5],
                                color: primaryColor,
                                padding: EdgeInsets.all(5),
                                radius: Radius.circular(6),
                                child: Container(
                                  height: 100,
                                  width: 100,
                                  child: Row(
                                    mainAxisAlignment: MainAxisAlignment.center,
                                    children: [
                                      Image(
                                        image: AssetImage(
                                            'assets/images/gallery-icon.png'),
                                        color: primaryColor,
                                        width: 30,
                                        height: 30,
                                      ),
                                      SizedBox(width: 10),
                                    ],
                                  ),
                                ),
                              ),
                            ),
                          )
                        : Container(
                            margin: EdgeInsets.all(3),
                            decoration: BoxDecoration(
                              image: DecorationImage(
                                  image: FileImage(_image[index - 1]),
                                  fit: BoxFit.cover),
                            ),
                          );
                  }),
            ),
          ],
        ),
      ),
    );
  }

  chooseImage() async {
    final pickedFile = await picker.getImage(source: ImageSource.gallery);
    setState(() {
      _image.add(File(pickedFile!.path));
    });
    if (pickedFile!.path == null) retrieveLostData();
  }

  Future<void> retrieveLostData() async {
    final LostData response = await picker.getLostData();
    if (response.isEmpty) {
      return;
    }
    if (response.file != null) {
      setState(() {
        _image.add(File(response.file!.path));
      });
    } else {
      print(response.file);
    }
  }

  Future uploadFile() async {
    int i = 1;

    for (var img in _image) {
      setState(() {
        val = i / _image.length;
      });
    }
  }
}