72 lines
2.2 KiB
Dart
72 lines
2.2 KiB
Dart
import 'dart:io';
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import 'package:flutter/foundation.dart';
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import 'package:saf_util/saf_util.dart';
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import '../utils/platform_detector.dart';
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import 'package:saf_util/saf_util_platform_interface.dart';
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/// Handles Storage Access Framework (SAF) operations for Android
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class SafStorageService {
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static SafStorageService? _instance;
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static SafStorageService get instance => _instance ??= SafStorageService._();
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SafStorageService._();
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final SafUtil _safUtil = SafUtil();
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/// Check if SAF is available (Android only)
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bool get isAvailable => Platform.isAndroid;
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/// Pick a directory using SAF
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/// Returns the content:// URI or null if cancelled
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Future<String?> pickDirectory() async {
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if (!isAvailable) return null;
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// SAF document picker is not available on Android TV
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if (TvDetectionService.isTVSync()) return null;
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try {
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// Pick directory with persistent write permission
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final doc = await _safUtil.pickDirectory(writePermission: true, persistablePermission: true);
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return doc?.uri;
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} catch (e) {
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debugPrint('SAF pickDirectory error: $e');
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return null;
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}
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}
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/// Create a subdirectory in a SAF directory
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/// Returns the URI of the created directory
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Future<String?> createDirectory(String parentUri, String name) async {
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if (!isAvailable) return null;
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try {
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final result = await _safUtil.mkdirp(parentUri, [name]);
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return result.uri;
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} catch (e) {
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debugPrint('SAF createDirectory error: $e');
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return null;
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}
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}
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/// Get a child file/directory in a SAF directory
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Future<SafDocumentFile?> getChild(String parentUri, String name) async {
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if (!isAvailable) return null;
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try {
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return await _safUtil.child(parentUri, [name]);
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} catch (e) {
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debugPrint('SAF getChild error: $e');
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return null;
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}
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}
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/// Create nested directories in a SAF directory
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/// Returns the URI of the deepest directory
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Future<String?> createNestedDirectories(String parentUri, List<String> pathComponents) async {
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if (!isAvailable) return null;
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try {
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final result = await _safUtil.mkdirp(parentUri, pathComponents);
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return result.uri;
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} catch (e) {
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debugPrint('SAF createNestedDirectories error: $e');
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return null;
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}
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}
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}
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