| .. | .. |
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| 3 | 3 | |
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| 4 | 4 | class SceneDelegate: FlutterSceneDelegate { |
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| 5 | 5 | |
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| 6 | + override func scene( |
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| 7 | + _ scene: UIScene, |
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| 8 | + willConnectTo session: UISceneSession, |
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| 9 | + options connectionOptions: UIScene.ConnectionOptions |
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| 10 | + ) { |
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| 11 | + super.scene(scene, willConnectTo: session, options: connectionOptions) |
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| 12 | + guard let windowScene = scene as? UIWindowScene, |
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| 13 | + let window = windowScene.windows.first, |
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| 14 | + let flutterVC = window.rootViewController as? FlutterViewController |
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| 15 | + else { return } |
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| 16 | + setupBackupChannel(messenger: flutterVC.binaryMessenger) |
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| 17 | + } |
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| 18 | + |
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| 19 | + /// Registers the com.mnsoft.pailot/backup MethodChannel so Dart can call |
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| 20 | + /// NSURLIsExcludedFromBackupKey on the messages storage directory. |
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| 21 | + private func setupBackupChannel(messenger: FlutterBinaryMessenger) { |
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| 22 | + let channel = FlutterMethodChannel( |
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| 23 | + name: "com.mnsoft.pailot/backup", |
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| 24 | + binaryMessenger: messenger |
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| 25 | + ) |
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| 26 | + channel.setMethodCallHandler { (call, result) in |
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| 27 | + guard call.method == "excludeFromBackup" else { |
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| 28 | + result(FlutterMethodNotImplemented) |
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| 29 | + return |
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| 30 | + } |
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| 31 | + guard let path = call.arguments as? String else { |
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| 32 | + result(FlutterError(code: "INVALID_ARG", message: "path argument required", details: nil)) |
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| 33 | + return |
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| 34 | + } |
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| 35 | + var url = URL(fileURLWithPath: path) |
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| 36 | + var values = URLResourceValues() |
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| 37 | + values.isExcludedFromBackup = true |
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| 38 | + do { |
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| 39 | + try url.setResourceValues(values) |
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| 40 | + result(nil) |
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| 41 | + } catch { |
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| 42 | + result(FlutterError(code: "SET_FAILED", message: error.localizedDescription, details: nil)) |
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| 43 | + } |
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| 44 | + } |
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| 45 | + } |
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| 6 | 46 | } |
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