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.

I am developing an app that can help users disable selected apps at a specified time, so that users can get away from their phones and enjoy real life. Here is my data structure: extension ActivityModel { @NSManaged public var id: UUID @NSManaged public var name: String @NSManaged public var weeks: Data @NSManaged public var weekDates: Data @NSManaged public var appTokens: Data } Among them, weeks is of [Bool] type, indicating which weeks from Sunday to Saturday are effective; weekDates is of [[Date,Date]] type, indicating the effective time period; appTokens is of Set type, indicating the selected apps。 At the beginning, I will open a main monitor: let deviceActivityCenter = DeviceActivityCenter() do{ try deviceActivityCenter.startMonitoring( DeviceActivityName(activityModel.id), during: DeviceActivitySchedule( intervalStart: DateComponents(hour: 0,minute: 0,second: 0), intervalEnd: DateComponents(hour: 23,minute: 59,second: 59), repeats: true ) ) }catch { return false } Since the time range may be different every day, I will start the sub-monitoring of the day every time the main monitoring starts： override func intervalDidStart(for activity: DeviceActivityName) { super.intervalDidStart(for: activity) if activity.rawValue.hasPrefix("Sub-") { ActivityModelManager.disableApps( Tools.getUUIDFromString(activity.rawValue) ) return } let weekIndex = Calendar.current.component(.weekday, from: .now) let weeks = ActivityModelManager.getWeeks(activity.rawValue) if weeks[weekIndex] { let weekDates = ActivityModelManager.getWeekDates(activity.rawValue) let deviceActivityCenter = DeviceActivityCenter() do{ try deviceActivityCenter.startMonitoring( DeviceActivityName("Sub-" + activityModel.id), during: DeviceActivitySchedule( intervalStart: getHourAndMinute(weekDates[weekIndex][0]), intervalEnd: getHourAndMinute(weekDates[weekIndex][1]), repeats: false ) ) }catch { return } }esle { return } } I will judge whether it is main monitoring or sub monitoring based on the different activity names. When the sub-monitor starts, I will get the bound application and then disable it: static func disableApps(_ id : UUID){ let appTokens = ActivityModelManager.getLimitAppById(id) let name = ManagedSettingsStore.Name(id.uuidString) let store = ManagedSettingsStore(named: name) store.shield.applications = appTokens return } When the child monitoring is finished, I resume the application: static func enableApps(_ id : UUID){ let name = ManagedSettingsStore.Name(id.uuidString) let store = ManagedSettingsStore(named: name) store.shield.applications = [] } The above is my code logic. When using DeviceActivityMonitorExtension, I found the following problems: intervalDidStart may be called multiple times, resulting in several sub-monitors being started. After a period of time, the monitoring is turned off. The static methods enableApps and disableApps are sometimes not called

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

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？

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?

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 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 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?

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!

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

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 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.

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.