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packages.dart/deprecated/file_access/lib/src/pick_file/io.dart
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2026-01-15 14:38:46 -08:00

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2.5 KiB
Dart

import 'package:file_access/file_access.dart';
import 'package:file_access/src/constants.dart';
import 'package:file_chooser/file_chooser.dart';
import 'dart:io';
import 'package:file_picker/file_picker.dart';
import 'package:image_picker/image_picker.dart';
Future<FileX> openFile() async {
final _files = await _open(false, false);
if (_files == null) return null;
return _files.first;
}
Future<List<FileX>> openFiles() async {
final _files = await _open(true, false);
if (_files == null) return null;
return _files;
}
Future<FileX> pickImage() async {
if (Platform.isIOS || Platform.isAndroid) {
var selection = await ImagePicker.pickImage(source: ImageSource.gallery);
return _add(selection);
}
final _files = await _open(false, false, allowedTypes: [
FileTypeFilterGroup(
label: 'image',
fileExtensions: kImageExtensions,
),
]);
if (_files == null || _files.isEmpty) return null;
return _files.first;
}
Future<FileX> pickVideo() async {
if (Platform.isIOS || Platform.isAndroid) {
var selection = await ImagePicker.pickVideo(source: ImageSource.gallery);
return _add(selection);
}
final _files = await _open(false, false, allowedTypes: [
FileTypeFilterGroup(
label: 'video',
fileExtensions: kVideoExtensions,
),
]);
if (_files == null || _files.isEmpty) return null;
return _files.first;
}
Future<List<FileX>> _open(bool multiple, bool folders,
{List<FileTypeFilterGroup> allowedTypes}) async {
if (Platform.isMacOS || Platform.isLinux || Platform.isWindows) {
final results = await showOpenPanel(
allowedFileTypes: allowedTypes,
canSelectDirectories: folders,
allowsMultipleSelection: multiple,
);
if (results.canceled) return null;
final List<FileX> _files = [];
for (final item in results.paths) {
_files.add(await _add(File(item)));
}
return _files;
}
if (Platform.isIOS || Platform.isAndroid) {
final List<FileX> _files = [];
if (multiple) {
List<File> files = await FilePicker.getMultiFile();
if (files == null) return null;
for (final file in files) {
_files.add(await _add(file));
}
} else {
File file = await FilePicker.getFile();
if (file == null) return null;
_files.add(await _add(file));
}
return _files;
}
return null;
}
Future<FileX> _add(File file) async {
try {
final _base = FileX(file.path);
final _bytes = await file.readAsBytes();
return await _base.writeAsBytes(_bytes);
} catch (e) {}
return null;
}