Show each address QR in a bottom drawer

apps/ios/Koins/Views/AccountsView.swift

@@ -6,7 +6,7 @@ struct AccountsView: View {
 
   @State private var error: String?
   @State private var busy = false
-  @State private var expandedAddress: String?
+  @State private var qrAddress: AddressQR?
   @State private var showAccountPrompt = false
   @State private var showSubaddressPrompt = false
   @State private var pendingLabel = ""
@@ -37,6 +37,9 @@ struct AccountsView: View {
       }
     }
     .task(id: model.moneroReady) { await model.loadAccounts() }
+    .sheet(item: $qrAddress) { item in
+      AddressQRSheet(title: item.title, address: item.address) { qrAddress = nil }
+    }
     .alert("Account name", isPresented: $showAccountPrompt) {
       TextField("e.g. Savings", text: $pendingLabel)
       Button("Create") { createAccount() }
@@ -64,16 +67,14 @@ struct AccountsView: View {
           Spacer()
         }
 
-        addressRow(id: "\(account.index)/primary",
-                   title: "Primary address",
+        addressRow(title: "Primary address",
                    address: account.address,
                    isUsed: true)
 
         if !account.subaddresses.isEmpty {
           Divider().overlay(Theme.border)
           ForEach(account.subaddresses.filter { $0.index != 0 }) { subaddress in
-            addressRow(id: subaddress.id,
-                       title: subaddress.label.isEmpty ? "Address \(subaddress.index)" : subaddress.label,
+            addressRow(title: subaddress.label.isEmpty ? "Address \(subaddress.index)" : subaddress.label,
                        address: subaddress.address,
                        isUsed: subaddress.isUsed,
                        balance: subaddress.balance)
@@ -89,8 +90,10 @@ struct AccountsView: View {
     }
   }
 
-  private func addressRow(id: String, title: String, address: String, isUsed: Bool, balance: String? = nil) -> some View {
-    VStack(spacing: 10) {
+  private func addressRow(title: String, address: String, isUsed: Bool, balance: String? = nil) -> some View {
+    Button {
+      qrAddress = AddressQR(title: title, address: address)
+    } label: {
       HStack(spacing: 8) {
         VStack(alignment: .leading, spacing: 2) {
           Text(title)
@@ -108,31 +111,17 @@ struct AccountsView: View {
           }
         }
         Spacer(minLength: 6)
-        Button {
-          expandedAddress = expandedAddress == id ? nil : id
-        } label: {
-          Image(systemName: expandedAddress == id ? "xmark" : "qrcode")
-            .font(.system(size: 14, weight: .semibold))
-            .foregroundStyle(Theme.accent)
-            .frame(width: 32, height: 32)
-            .background(Theme.surfaceAlt)
-            .clipShape(RoundedRectangle(cornerRadius: 10, style: .continuous))
-        }
-      }
-
-      if expandedAddress == id {
-        VStack(spacing: 10) {
-          QRCodeView(text: address)
-            .frame(maxWidth: 180)
-          HStack(spacing: 8) {
-            SecondaryButton(title: "Copy") {
-              UIPasteboard.general.string = address
-            }
-          }
-        }
-        .frame(maxWidth: .infinity)
+        Image(systemName: "qrcode")
+          .font(.system(size: 14, weight: .semibold))
+          .foregroundStyle(Theme.accent)
+          .frame(width: 32, height: 32)
+          .background(Theme.surfaceAlt)
+          .clipShape(RoundedRectangle(cornerRadius: 10, style: .continuous))
       }
+      .contentShape(Rectangle())
     }
+    .buttonStyle(.plain)
+    .disabled(address.isEmpty)
   }
 
   private func createAccount() {

apps/ios/Koins/Views/AddressQRSheet.swift

@@ -0,0 +1,53 @@
+import SwiftUI
+
+struct AddressQR: Identifiable {
+  let id = UUID()
+  let title: String
+  let address: String
+}
+
+/// Drawer that shows one address as a scannable QR, presented from the bottom
+/// like the transaction detail sheet.
+struct AddressQRSheet: View {
+  var title: String
+  var address: String
+  var onDone: () -> Void
+
+  @State private var copied = false
+
+  var body: some View {
+    ZStack {
+      Theme.background.ignoresSafeArea()
+      VStack(spacing: 16) {
+        Text(title)
+          .font(.system(size: 16, weight: .semibold))
+          .foregroundStyle(Theme.text)
+          .frame(maxWidth: .infinity, alignment: .leading)
+
+        QRCodeView(text: address)
+          .frame(maxWidth: 220)
+
+        Text(address)
+          .font(.system(size: 12, design: .monospaced))
+          .foregroundStyle(Theme.muted)
+          .multilineTextAlignment(.center)
+          .lineLimit(4)
+          .truncationMode(.middle)
+          .textSelection(.enabled)
+
+        SecondaryButton(title: copied ? "Copied" : "Copy address") {
+          UIPasteboard.general.string = address
+          copied = true
+          DispatchQueue.main.asyncAfter(deadline: .now() + 1.5) { copied = false }
+        }
+
+        PrimaryButton(title: "Done", action: onDone)
+      }
+      .padding(22)
+      .frame(maxHeight: .infinity, alignment: .top)
+    }
+    .preferredColorScheme(.dark)
+    .presentationDetents([.medium, .large])
+    .presentationDragIndicator(.visible)
+  }
+}