Implement bank transfer app flows

2026-06-08 00:03:57 +05:00
parent ef877217ad
commit 9b281d48a7
127 changed files with 8008 additions and 90 deletions
@@ -0,0 +1,86 @@
+import SwiftUI
+import AVFoundation
+
+struct QRScannerSheet: View {
+    var onResult: (String) -> Void
+    @Environment(\.dismiss) private var dismiss
+
+    var body: some View {
+        NavigationStack {
+            QRCameraView(onResult: { result in
+                dismiss()
+                onResult(result)
+            })
+            .ignoresSafeArea()
+            .navigationTitle("Scan QR Code")
+            .navigationBarTitleDisplayMode(.inline)
+            .toolbar {
+                ToolbarItem(placement: .navigationBarLeading) {
+                    Button("Cancel") { dismiss() }
+                        .foregroundStyle(.white)
+                }
+            }
+        }
+    }
+}
+
+private struct QRCameraView: UIViewRepresentable {
+    var onResult: (String) -> Void
+
+    func makeUIView(context: Context) -> UIView {
+        let view = UIView()
+        view.backgroundColor = .black
+
+        let session = AVCaptureSession()
+        guard let device = AVCaptureDevice.default(for: .video),
+              let input  = try? AVCaptureDeviceInput(device: device) else {
+            return view
+        }
+        if session.canAddInput(input) { session.addInput(input) }
+
+        let output = AVCaptureMetadataOutput()
+        if session.canAddOutput(output) {
+            session.addOutput(output)
+            output.setMetadataObjectsDelegate(context.coordinator, queue: .main)
+            output.metadataObjectTypes = [.qr]
+        }
+
+        let preview = AVCaptureVideoPreviewLayer(session: session)
+        preview.videoGravity = .resizeAspectFill
+        preview.frame = view.bounds
+        view.layer.addSublayer(preview)
+        context.coordinator.previewLayer = preview
+
+        DispatchQueue.global(qos: .userInitiated).async { session.startRunning() }
+        context.coordinator.session = session
+        return view
+    }
+
+    func updateUIView(_ uiView: UIView, context: Context) {
+        context.coordinator.previewLayer?.frame = uiView.bounds
+    }
+
+    func makeCoordinator() -> Coordinator { Coordinator(onResult: onResult) }
+
+    final class Coordinator: NSObject, AVCaptureMetadataOutputObjectsDelegate {
+        var onResult: (String) -> Void
+        var session: AVCaptureSession?
+        var previewLayer: AVCaptureVideoPreviewLayer?
+        private var didCapture = false
+
+        init(onResult: @escaping (String) -> Void) {
+            self.onResult = onResult
+        }
+
+        func metadataOutput(_ output: AVCaptureMetadataOutput,
+                            didOutput objects: [AVMetadataObject],
+                            from connection: AVCaptureConnection) {
+            guard !didCapture,
+                  let obj = objects.first as? AVMetadataMachineReadableCodeObject,
+                  let str = obj.stringValue else { return }
+            didCapture = true
+            session?.stopRunning()
+            DispatchQueue.main.async { self.onResult(str) }
+        }
+    }
+}