App Tracking Transparency Framework in iOS 14

Ever wondered when you are browsing about headset in the browser and in a few minutes you would see an Advertisement offering branded headsets?. The application would collect data across the apps and share this to data brokers/customize the ads. Before iOS14, the user has to go to iPhone/iPad settings(Settings -> Privacy -> Tracking) to turn off this as in this screenshot.

application tracking iOS

And the application will not ask the user’s permissions inside the app, But with iOS 14.5, apple introduced a new framework as App Tracking Transparency to value the user’s privacy. So now the user can deny/allow the apps who collects user’s data(e.g., age, gender, browsing history etc.) and share it to data brokers or to personalise ads?.

Implementing ATT(App Tracking Transparency) Framework:

In order to collect the data, your app must comply this policy by using this framework.
First, we have to add a description as we do for a camera, a location usage description in an application’s plist.

app tracking transparency permission description in plist

Next, we have to add this code to request the user permission.

ATTrackingManager.requestTrackingAuthorization { status in
switch status {
case .authorized:
case .denied:
case .notDetermined:
case .restricted:
}
}

That’s it, now it’s upto the user, whether he/she can allow you or deny you to collect the data.

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