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There is an inconsistent issue when views are rendered from the Device Activity Report Extension. This issue is noticeable only on release versions and it works fine in debug mode.
Around 80% of the times, the Report Views return blank screen and this is only the case when a weekly/monthly filter is used. Although, it works as expected for daily report views.
My questions are:
How are all the Report Activity Views working fine in debug mode but not in release mode?
How the daily activity filter works fine in the release mode but the weekly/monthly filters don't work? Is this because of a memory limit issue in the extension?
As of now, I have the family-controls(distribution) entitlement only for the app and for the extensions I only have family-controls(development) entitlement. Do I need to request for family-controls(Distribution) entitlement even for the extensions?
I have seen threads on the forum mentioning the blank screen issue associated with the DeviceActivityReport but haven't found a solution to it. Any suggestions/feedback would be of great help, thanks.
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As per our code, we have the apps to be shielded whenever the threshold is reached. According to this use-case, our code in DeviceActivityExtension looks something like:
override func eventDidReachThreshold(_ event: DeviceActivityEvent.Name, activity: DeviceActivityName) {
super.eventDidReachThreshold(event, activity: activity)
defaults?.setValue(event.rawValue, forKey: "appLimitEventName")
defaults?.setValue(true, forKey: "appLimitReached")
defaults?.synchronize()
// using darwinNotificationCenter to trigger callback in the application
let darwinNotificationCenter = DarwinNotificationsManager.sharedInstance()
darwinNotificationCenter.postNotification(withName: "nextAppLimitInitiated")
// using Notifications to debug since print doesn't work
scheduleNotification(with: "interval threshold reached")
}
And in our application, we have the shielding logic in place,
init() {
let darwinNotificationCenter = DarwinNotificationsManager.sharedInstance()
darwinNotificationCenter.register(forNotificationName: "nextAppLimitInitiated"){
print("callback received")
let appLimitReached = self.defaults?.bool(forKey: "appLimitReached")
let appLimitEventName = self.defaults?.string(forKey: "appLimitEventName")
if appLimitReached ?? false, appLimitEventName != "" {
// this sends the notification when callback is received
self.scheduleNotification(with: "init start")
self.defaults?.setValue(false, forKey: "appLimitReached")
guard var dataArray = self.defaults?.array(forKey: "appLimitdataArray"), !dataArray.isEmpty else {
return
}
let appLimitData = dataArray.first as! NSDictionary
let appLimitKey = appLimitData["appLimitId"] as! String
let data = self.getSchedule(key: appLimitEventName ?? "")
if let appTokens = data?.applicationTokens {
for token in appTokens {
if !self.applicationTokens.contains(appTokens) {
self.applicationTokens.insert(token)
}
}
}
self.store.shield.applications = self.applicationTokens
self.store.shield.applicationCategories = ShieldSettings.ActivityCategoryPolicy.specific(self.categoryTokens, except: Set())
dataArray.removeFirst()
//dataArray.append(appLimitData)
self.defaults?.set(dataArray, forKey: "appLimitdataArray")
self.initiateMonitoring(initiateAgain: true)
self.scheduleNotification(with: "init end")
}
}
}
This works as expected for multiple App Limits but only when the device is connected to the Xcode. If we disconnect the device from Xcode/ stop application from Xcode/ try in release mode, the callback is not received from extension to the app/init block.
When the device is connected to Xcode, if the apps hit the threshold, they are shielded automatically. But if the device is disconnected/ app is in release mode, the apps are not shielded automatically even after the threshold is reached. It is shielded later only after opening our app once.
Please let me know if I'm doing anything wrong in receiving callback or in my shielding logic. If I need to place the shielding logic in the extension, please tell me how I can handle multiple appTokens.
Post not yet marked as solved
If we want to un-shield category/application for particular schedule, then what is the mechanism for this, as for now we are using
ManagedSettingsStore().shield.applications = nil and ManagedSettingsStore().shield.applicationCategories = nil, which is actually un-shielding all category/applications without considering the selection of category/application for that schedule. What is the best approach to handle multiple schedules for shielding of apps?
therealgeekfruit.