Notes from Session 715 in WWDC 2014

##There are three identifiers:

• Application Identifier - [NSUUID UUID]
• Vendor Identifier - [[UIDevice currentDevice] identifierForVendor]
• Advertising Identifier - [[UIDevice currentDevice] identifierForAdvertising]

##People Picker has changed API ABPeoplePickerNavigationController has changes in API and introduces new properties to customize display and selection.

##One screen for all iOS permissions Send users directly to privacy settings: [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"UIApplicationOpenSettingsURLString"]];

##Purpose Strings Add purpose strings to consent dialogues (class Privacy - in Info keys). New Purpose strings added are: The Strings can be added in the Info.plist file: (to localize add strings to Localizable.strings)

##SIGKILL Note

• For iOS, any permission change sends a SIGKILL to your app, so the app should be ready for it at any time.

##Camera permissions If the user denies camera permission, the camera stream blocks, and just a black screen appears. If you are using UIImagePickerController, best way to know about the authorization status is via [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo] authorizationStatusForMediaType: