Is there an alternative to image_picker_saver dependency - image

Question

I am working on a code to download image in the device but there are androidx incompatibilities with image_picker_saver dependency.So can anyone suggest an alternative for it?
The complete code-
_saveImage(imageNames) async {
await PermissionHandler()
.checkPermissionStatus(PermissionGroup.storage)
.then((status) async {
if (status == PermissionStatus.denied ||
status == PermissionStatus.disabled ||
status == PermissionStatus.unknown) {
await PermissionHandler().requestPermissions(
[PermissionGroup.storage]).then((status1) async {
if (status1.containsValue(PermissionStatus.granted)) {
await get(imageNames).then((res) async {
await ImagePickerSaver.saveFile(fileData: res.bodyBytes)
.then((str) {
File.fromUri(Uri.file(str));
Fluttertoast.showToast(
msg: "Saved to gallery!",
toastLength: Toast.LENGTH_LONG,
gravity: ToastGravity.BOTTOM,
timeInSecForIos: 1,
backgroundColor: Colors.green,
textColor: Colors.white,
fontSize: 15.0);
});
});
}
});
} else if (status == PermissionStatus.granted) {
await get(imageNames).then((res) async {
await ImagePickerSaver.saveFile(fileData: res.bodyBytes).then((str) {
File.fromUri(Uri.file(str));
Fluttertoast.showToast(
msg: "Saved to gallery!",
toastLength: Toast.LENGTH_LONG,
gravity: ToastGravity.CENTER,
timeInSecForIos: 1,
backgroundColor: Colors.green,
textColor: Colors.white,
fontSize: 15.0);
});
});
}
});
}

Answer 1

You need a package for decoding/encoding algorithms. I suggest this canonicalized package:
https://pub.dev/packages/image
We will use it.
import 'dart:io' as io;
import 'package:http/http.dart' as http;
import 'package:image/image.dart';
import 'package:path/path.dart';
import 'package:path_provider/path_provider.dart';
We need bodyBytes for writing file from network image file:
Future<dynamic> downloadImage() async =>
await http.get(url).then((response) => response.bodyBytes);
Get application working directory:
Future<String> createDir() async =>
await getApplicationDocumentsDirectory().then((dir) => dir.path);
First, we will create [Image] type variable, which is provided by image package then we will convert it to a file both decoding and encoding provided by image package again:
Future<io.File> writeFile(String path, var bodyBytes, String fileName) async {
Image image = decodeImage(bodyBytes);
io.File file = io.File(join(path, fileName));
file.writeAsBytesSync(encodePng(image));
return file;
}
So, you created your files, you need to load them, this is the method you need(You can use restored images by [Image.file] widget):
Future<List<io.File>> loadFiles() async {
List<io.File> images = <io.File>[];
final io.Directory dir = await getApplicationDocumentsDirectory();
print('path: ${dir.path}');
for (io.FileSystemEntity f in dir.listSync()) {
if (f is io.File) {
if (f.path.contains('.jpg')) { //any format you want
images.add(f);
}
}
}
return images;
}