Add Apple Watch companion app - complications, full data views, remote commands

LoopFollow.xcworkspace/xcshareddata/xcschemes/LoopFollowWatch.xcscheme

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1600"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "BB01000000000003000000AA"
+               BuildableName = "LoopFollowWatch.app"
+               BlueprintName = "LoopFollowWatch"
+               ReferencedContainer = "container:LoopFollow.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BB01000000000003000000AA"
+            BuildableName = "LoopFollowWatch.app"
+            BlueprintName = "LoopFollowWatch"
+            ReferencedContainer = "container:LoopFollow.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BB01000000000003000000AA"
+            BuildableName = "LoopFollowWatch.app"
+            BlueprintName = "LoopFollowWatch"
+            ReferencedContainer = "container:LoopFollow.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

LoopFollow/Application/AppDelegate.swift

@@ -5,6 +5,7 @@ import CoreData
 import EventKit
 import UIKit
 import UserNotifications
+import WatchConnectivity
 
 @main
 class AppDelegate: UIResponder, UIApplicationDelegate {
@@ -70,6 +71,8 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         Storage.shared.needsBFUReload = bfu
         LogManager.shared.log(category: .general, message: "BFU check: isProtectedDataAvailable=\(!bfu), needsBFUReload=\(bfu)")
 
+        PhoneSessionManager.shared.startSession()
+
         return true
     }
 

LoopFollow/Controllers/Nightscout/BGData.swift

@@ -291,6 +291,8 @@ extension MainViewController {
                     )
             }
             Storage.shared.lastBGChecked.value = Date()
+
+            PhoneSessionManager.shared.sendConfig()
         }
     }
 }

LoopFollow/Nightscout/NightscoutSettingsViewModel.swift

@@ -25,6 +25,7 @@ class NightscoutSettingsViewModel: ObservableObject {
             if newValue != nightscoutURL {
                 Storage.shared.url.value = newValue
                 triggerCheckStatus()
+                PhoneSessionManager.shared.sendConfig()
             }
         }
     }
@@ -34,6 +35,7 @@ class NightscoutSettingsViewModel: ObservableObject {
             if newValue != nightscoutToken {
                 Storage.shared.token.value = newValue
                 triggerCheckStatus()
+                PhoneSessionManager.shared.sendConfig()
             }
         }
     }

LoopFollow/Settings/DexcomSettingsViewModel.swift

@@ -12,6 +12,7 @@ class DexcomSettingsViewModel: ObservableObject {
         willSet {
             if newValue != userName {
                 Storage.shared.shareUserName.value = newValue
+                PhoneSessionManager.shared.sendConfig()
             }
         }
     }
@@ -20,6 +21,7 @@ class DexcomSettingsViewModel: ObservableObject {
         willSet {
             if newValue != password {
                 Storage.shared.sharePassword.value = newValue
+                PhoneSessionManager.shared.sendConfig()
             }
         }
     }
@@ -28,6 +30,7 @@ class DexcomSettingsViewModel: ObservableObject {
         willSet {
             if newValue != server {
                 Storage.shared.shareServer.value = newValue
+                PhoneSessionManager.shared.sendConfig()
             }
         }
     }

LoopFollow/Settings/UnitsConfigurationView.swift

@@ -21,6 +21,7 @@ struct UnitsConfigurationView: View {
                 .pickerStyle(.segmented)
                 .onChange(of: glucoseUnit) { newValue in
                     UnitSettingsStore.shared.glucoseUnit = newValue
+                    PhoneSessionManager.shared.sendConfig()
                 }
             }
 
@@ -46,6 +47,7 @@ struct UnitsConfigurationView: View {
                     .onChange(of: lowValue) { newValue in
                         Storage.shared.lowLine.value = newValue
                         Observable.shared.chartSettingsChanged.value = true
+                        PhoneSessionManager.shared.sendConfig()
                     }
                     BGPicker(
                         title: "High",
@@ -56,6 +58,7 @@ struct UnitsConfigurationView: View {
                     .onChange(of: highValue) { newValue in
                         Storage.shared.highLine.value = newValue
                         Observable.shared.chartSettingsChanged.value = true
+                        PhoneSessionManager.shared.sendConfig()
                     }
                 }
             }

LoopFollow/Watch/PhoneSessionManager.swift

@@ -0,0 +1,124 @@
+// LoopFollow
+// PhoneSessionManager.swift
+
+import Foundation
+import HealthKit
+import WatchConnectivity
+
+class PhoneSessionManager: NSObject, WCSessionDelegate {
+    static let shared = PhoneSessionManager()
+
+    private override init() {
+        super.init()
+    }
+
+    func startSession() {
+        guard WCSession.isSupported() else { return }
+        WCSession.default.delegate = self
+        WCSession.default.activate()
+    }
+
+    private func buildConfig() -> [String: Any] {
+        // LF (LoopFollow's own) APNS credentials — used by the watch to
+        // populate `return_notification` so Trio acks land here on the
+        // iPhone (which can then forward to the watch via WCSession).
+        // Mirrors PushNotificationManager.createReturnNotificationInfo().
+        let lfDeviceToken = Observable.shared.loopFollowDeviceToken.value
+        let lfTeamId = BuildDetails.default.teamID ?? ""
+        let lfBundleId = Bundle.main.bundleIdentifier ?? ""
+        let lfProductionEnv = BuildDetails.default.isTestFlightBuild()
+
+        return [
+            "nsURL": Storage.shared.url.value,
+            "nsToken": Storage.shared.token.value,
+            "dexUsername": Storage.shared.shareUserName.value,
+            "dexPassword": Storage.shared.sharePassword.value,
+            "dexServer": Storage.shared.shareServer.value,
+            "units": Storage.shared.units.value,
+            "lowLine": Storage.shared.lowLine.value,
+            "highLine": Storage.shared.highLine.value,
+            "remoteType": Storage.shared.remoteType.value.rawValue,
+            "maxBolus": Storage.shared.maxBolus.value.doubleValue(for: .internationalUnit()),
+            "maxCarbs": Storage.shared.maxCarbs.value.doubleValue(for: .gram()),
+            "trcDeviceToken": Storage.shared.deviceToken.value,
+            "trcSharedSecret": Storage.shared.sharedSecret.value,
+            "trcApnsKey": Storage.shared.remoteApnsKey.value,
+            "trcKeyId": Storage.shared.remoteKeyId.value,
+            "trcTeamId": Storage.shared.teamId.value ?? "",
+            "trcBundleId": Storage.shared.bundleId.value,
+            "trcProductionEnv": Storage.shared.productionEnvironment.value,
+            "trcUser": Storage.shared.user.value,
+            "nsWriteAuth": Storage.shared.nsWriteAuth.value,
+            "lfDeviceToken": lfDeviceToken,
+            "lfApnsKey": Storage.shared.lfApnsKey.value,
+            "lfKeyId": Storage.shared.lfKeyId.value,
+            "lfTeamId": lfTeamId,
+            "lfBundleId": lfBundleId,
+            "lfProductionEnv": lfProductionEnv,
+        ]
+    }
+
+    func sendConfig() {
+        guard WCSession.default.activationState == .activated else { return }
+        let config = buildConfig()
+        try? WCSession.default.updateApplicationContext(config)
+
+        // Also send via message for immediate delivery if Watch is reachable
+        if WCSession.default.isReachable {
+            WCSession.default.sendMessage(config, replyHandler: nil, errorHandler: nil)
+        }
+    }
+
+    // MARK: - WCSessionDelegate
+
+    func session(_ session: WCSession, activationDidCompleteWith activationState: WCSessionActivationState, error: Error?) {
+        if activationState == .activated {
+            sendConfig()
+        }
+    }
+
+    func sessionDidBecomeInactive(_ session: WCSession) {}
+
+    func sessionDidDeactivate(_ session: WCSession) {
+        WCSession.default.activate()
+    }
+
+    // Re-send config when Watch becomes reachable (handles fresh install)
+    func sessionReachabilityDidChange(_ session: WCSession) {
+        if session.isReachable {
+            sendConfig()
+        }
+    }
+
+    // Handle Watch requesting config via applicationContext
+    func session(_ session: WCSession, didReceiveApplicationContext applicationContext: [String: Any]) {
+        if applicationContext["requestConfig"] != nil {
+            sendConfig()
+        }
+    }
+
+    // Handle Watch requesting config via sendMessage (with reply)
+    func session(_ session: WCSession, didReceiveMessage message: [String: Any], replyHandler: @escaping ([String: Any]) -> Void) {
+        if message["requestConfig"] != nil {
+            let config = buildConfig()
+            replyHandler(config)
+            // Also update application context so it's cached
+            try? WCSession.default.updateApplicationContext(config)
+        } else {
+            replyHandler([:])
+        }
+    }
+
+    func session(_ session: WCSession, didReceiveMessage message: [String: Any]) {
+        if message["requestConfig"] != nil {
+            sendConfig()
+        }
+    }
+
+    // Handle Watch requesting config via transferUserInfo
+    func session(_ session: WCSession, didReceiveUserInfo userInfo: [String: Any] = [:]) {
+        if userInfo["requestConfig"] != nil {
+            sendConfig()
+        }
+    }
+}

LoopFollowWatch/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,14 @@
+{
+  "images" : [
+    {
+      "filename" : "1024.png",
+      "idiom" : "universal",
+      "platform" : "watchos",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

LoopFollowWatch/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}