Hi everyone, I am a beginner in Swift and I am currently using DeviceActivityMonitor to develop an app for parents to control their children's app usage time. During the development process, I found that the DeviceActivityMonitor has a 6MB memory limit in the background, and my app exceeds this limit after running for a long time. I would like to know how to reduce the memory usage of DeviceActivityMonitor in the background, or where I can check the memory usage of DeviceActivityMonitor and see which variables are consuming memory. Additionally, I want to know if a new instance of the DeviceActivityMonitor class is created every time it is called? Thank you for your help!

.fullScreenCover(isPresented: $isShow) { Button(action : { isPresented.toggle() }){ Text("Choose") } .familyActivityPicker( isPresented: $isPresented, selection: $selection) .onChange(of: selection){ value in } } In the official version of iOS 18, when I click the Done button of familyActivityPicker, the fullScreenCover pop-up box will disappear.

I have developed three apps using the Screen Time API. The following are common problems I encountered in the three apps: DeviceActivityMonitorExtension is automatically killed after running for a few days (frequently) The same DeviceActivityEvent in DeviceActivityMonitorExtension is triggered twice during eventDidReachThreshold (especially obvious in iOS18.5) Screen Time authorization is automatically canceled for no reason (occasionally) I hope to get help

Hi everyone, I am encountering an issue where my Live Activity (Dynamic Island) suddenly became invalid and failed to launch. It was working perfectly before, and I haven't modified any code since then. My Environment: Xcode: 26.1.1 Device iOS: 26.1 Testing: I also tested on iOS 18, but the Live Activity fails to start there as well. Here is my code: Live Activity Manager (Start/Update/End): func startLiveActivity() { // Initial static data let attributes = SimpleIslandAttributes(name: "Test Order") // Initial dynamic data let initialContentState = SimpleIslandState(message: "Preparing...") // Adapting for iOS 16.2+ new API (Content) let activityContent = ActivityContent(state: initialContentState, staleDate: nil) do { let activity = try Activity.request( attributes: attributes, content: activityContent, pushType: nil // Set to nil as remote push updates are not needed ) print("Live Activity Started ID: \(activity.id)") } catch { print("Failed to start: \(error.localizedDescription)") } } // 2. Update Live Activity func updateLiveActivity() { Task { let updatedState = SimpleIslandState(message: "Delivering 🚀") let updatedContent = ActivityContent(state: updatedState, staleDate: nil) // Iterate through all active Activities and update them for activity in Activity<SimpleIslandAttributes>.activities { await activity.update(updatedContent) print("Update") } } } // 3. End Live Activity func endLiveActivity() { Task { let finalState = SimpleIslandState(message: "Delivered ✅") let finalContent = ActivityContent(state: finalState, staleDate: nil) for activity in Activity<SimpleIslandAttributes>.activities { // dismissalPolicy: .default (immediate), .after(...) (delayed), .immediate (no animation) await activity.end(finalContent, dismissalPolicy: .default) print("End") } } } The Models (Shared between App and Widget Extension): // 1. Define State (Dynamic data, changes over time, e.g., remaining delivery time) public struct SimpleIslandState: Codable, Hashable { var message: String } // 2. Define Attributes (Static data, constant after start, e.g., Order ID) public struct SimpleIslandAttributes: ActivityAttributes { public typealias ContentState = SimpleIslandState var name: String // e.g., "My Order" } The Widget Code: // // SimpleIslandWidget.swift // ReadyGo // // Created by Tang Yu on 2025/11/19. // import WidgetKit import SwiftUI import ActivityKit struct SimpleIslandWidget: Widget { var body: some WidgetConfiguration { ActivityConfiguration(for: SimpleIslandAttributes.self) { context in // UI shown on the Lock Screen VStack { Text("Lock Screen Notification: \(context.state.message)") } .activityBackgroundTint(Color.cyan) .activitySystemActionForegroundColor(Color.black) } dynamicIsland: { context in // Inside Widget Extension DynamicIsland { // Expanded Region DynamicIslandExpandedRegion(.center) { Text("Test") // Pure text only } } compactLeading: { Text("L") // Pure text only } compactTrailing: { Text("R") // Pure text only } minimal: { Text("M") // Pure text only } } } } Additional Info: This is the minimal code setup I created for testing, but even this basic version is failing. I have set NSSupportsLiveActivities (Supports Live Activities) to YES (true) in the Info.plist for both the Main App and the Widget Extension. Has anyone experienced this? Any help would be appreciated.

I create two Extensions in my continer app. Do I need create diffierent provisoning profiles for these Extensions ?

HStack{ FormLable(text: NSLocalizedString("Color", comment: "")) Spacer() Image(systemName: "circle.fill") .font(.system(size: AppFontSize.baseSize.size() * 1.2, weight: .medium)) .foregroundColor(color) .overlay(ColorPicker("Color", selection: $color).labelsHidden().opacity(0.015)) } This is how I use the color picker. I used the same code in two different apps, and the color picker appeared in one app but not in the other. By the way, I upgraded Xcode to the latest version.

when i watch the video (https://developer.apple.com/videos/play/wwdc2022/110336/) i find the code let socialStore = ManagedSettingsStore(named: .social) let socialCategory = database.socialCategoryToken socialStore.shield.applicationCategories = .specific([socialCategory]) i try to find ManagedSettingsStore shield and specific([socialCategory]) i Documentation , but i failed. who can tell me wher i can find about ManagedSettingsStore shield or specific([socialCategory]) ? thanks a lot.

I am currently developing an app to help people focus on their work. I use familycontrols , managedsettings and devie activity to develop it. I am currently facing an issue where I would like to hide the app selected by the user from the main screen and resource library. But I did not find any relevant information in the document. Who can help me.

I have a host application and I've added an extension to it. The bundle IDs of the two are different. Do I need to apply for a separate Provisioning Profile for the extension?

I am developing an application for managing screen time, and I encountered an issue when retrieving DeviceActivityEvent bound to a specific DeviceActivityName using the events method of DeviceActivityCenter. I noticed that the application token data bound to DeviceActivityEvent is missing. Could you help me understand why this might be happening?

I have two apps that share data through an App Group. However, I’ve noticed that when one of the apps is uninstalled, the shared Core Data model is also uninstalled. If I don't create a shared model in one of the apps, I cannot access the data. What should I do to resolve this issue?

I am developing an app using DeviceActivity. let schedule = DeviceActivitySchedule( intervalStart: DateComponents(hour : 0, minute : 0, second: 1), intervalEnd: DateComponents(hour : 23, minute : 59, second: 59), repeats: true ) I found that on the second day, intervalDidStart(for: DeviceActivityName) gets called multiple times. I also tried let schedule = DeviceActivitySchedule( intervalStart: DateComponents(hour : 0, minute : 0, second: 1), intervalEnd: DateComponents(hour : 23, minute : 59, second: 59), repeats: false ) and started monitoring for the next day in the intervalDidEnd(for: DeviceActivityName) method. but ， intervalDidStart(for: DeviceActivityName) still gets called multiple times. How should I resolve this issue?

I am a Swift developer using the ScreenTime API to develop an app that helps users manage app usage time on their phones. While working with DeviceActivity, I've noticed that it sometimes gets activated multiple times in succession, and occasionally, the code within intervalDidStart stops executing midway. What could be the cause of this?

When using DeviceActivityMonitorExtension, I found that when repeats in DeviceActivitySchedule is true, the same DeviceActivityEvent under DeviceActivity on the next day will be triggered twice. What I did wrong？

let schedule = DeviceActivitySchedule( intervalStart: startInterval, intervalEnd: endInterval, repeats: false, warningTime : DateComponents(hour : 0 , minute: 0 , second: 30) ) ``` I hope it will only be executed on the same day, but the monitoring is still there the next day. My system version is 18.2