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What’s New in Core LocationSimplify

Adam Driscoll Apple

System Frameworks

Session 714

#WWDC15

Core Location

• Authorization

Core Location

• Authorization• Location updates

Core Location

• Authorization• Location updates• Indoor updates

Core Location

• Authorization• Location updates• Indoor updates• Region monitoring

Core Location

• Authorization• Location updates• Indoor updates• Region monitoring• Visit monitoring

Core Location

• Authorization• Location updates• Indoor updates• Region monitoring• Visit monitoring • Significant location change monitoring/Geocoding/etc.

Core Location

• Authorization• Location updates• Indoor updates• Region monitoring• Visit monitoring • Significant location change monitoring

Core Location

Background location

Single location

Authorization

Apple Watch: Best practices

Background Location Updates

No background!

Background Modes

Background Location UpdatesRecap

Background Modes• Default: foreground only


Background Modes• Default: foreground only• Info.plist

- UIBackgroundModes



How it works:


How it works:• Start


How it works:• Start• Continue


How it works:• Start• Continue• Stop

Room for Improvement?

Simplify


Simplify• Lower stakes


Simplify• Lower stakes• Looser coupling

Background: When You Want It


allowsBackgroundLocationUpdates



• Per CLLocationManager



• Per CLLocationManager• Activates Info.plist election



• Per CLLocationManager• Activates Info.plist election• Default value:



• Per CLLocationManager• Activates Info.plist election• Default value:

NO

Background: When You Want ItCompatibility




• Grandfathered



• Grandfathered• Deploy with -respondsToSelector:



• Grandfathered• Deploy with -respondsToSelector:

let locationManager = CLLocationManager() if #available(iOS 9.0, *) { locationManager.allowsBackgroundLocationUpdates = true }

Sidebar

Audible Cues?

What’s New in Core Audio Nob Hill Wednesday 4:30PM

Sidebar

Audible Cues?AVAudioSessionCategoryOptionInterruptSpokenAudioAndMixWithOthers

What’s New in Core Audio Nob Hill Wednesday 4:30PM

Single Location

-requestLocation

Single Location

-requestLocation

Automatically

Single Location

-requestLocation

Automatically• Starts

Single Location

-requestLocation

Automatically• Starts• Thresholds

Single Location

-requestLocation

Automatically• Starts• Thresholds• Calls delegate once

Single Location

-requestLocation

Automatically• Starts• Thresholds• Calls delegate once• Stops

Single Location

-requestLocation

Single Location

-requestLocation

• desiredAccuracy

Single Location

-requestLocation

• desiredAccuracy• -locationManager:didUpdateLocations:

Single Location

-requestLocation

• desiredAccuracy• -locationManager:didUpdateLocations:• -locationManager:didFailWithError:

Single Location

-requestLocation


- kCLErrorLocationUnknown

Single Location

-requestLocation


- kCLErrorLocationUnknown

• Exclusive of -startUpdatingLocation• Cancel with -stopUpdatingLocation

Apple Watch

Apple Watch and iPhone

Apple Watch

Devices: pair

and iPhone

Apple Watch

Devices: pairApps: extension

and iPhone

Apple Watch


and iPhone

iOS App

watchOS AppexwatchOS Appex

Apple Watch


and iPhone

iOS App

watchOS Appex watchOS Appex

Apple Watch


Sub Topics:

and iPhone

iOS App


Apple Watch


Sub Topics:• Authorization

and iPhone

iOS App


Apple Watch


Sub Topics:• Authorization• Cooperation

and iPhone

iOS App


AuthorizationRecap

AuthorizationRecap

User granted

AuthorizationRecap

User granted-requestWhenInUseAuthorization

AuthorizationRecap

User granted-requestWhenInUseAuthorization-requestAlwaysAuthorization

WhenInUse Always

AuthorizationRecap


iOS

WhenInUse Always

Location

AuthorizationRecap


iOS

WhenInUse Always

Location

AuthorizationRecap


iOS

Yes Yes

WhenInUse Always

Location

Background(continuous)

AuthorizationRecap


iOS

Yes Yes

WhenInUse Always

Location


AuthorizationRecap


iOS

Yes Yes

Yes Yes

WhenInUse Always

Location


Background(intermittent)

AuthorizationRecap


iOS

Yes Yes

Yes Yes

WhenInUse Always

Location



AuthorizationRecap


iOS

Yes Yes

Yes Yes

No Yes

WhenInUse Always

Location



Monitor

AuthorizationRecap


iOS

Yes Yes

Yes Yes

No Yes

WhenInUse Always

Location



Monitor

AuthorizationRecap


iOS

Yes Yes

Yes Yes

No Yes

LocalNotification Yes

WhenInUse Always

Location



Monitor

watchOS

Authorization


WhenInUse Always

Location



Monitor

watchOS

Single Single

Authorization


WhenInUse Always

Location



Monitor

watchOS

Single Single

No No

Authorization


WhenInUse Always

Location



Monitor

watchOS

Single Single

No No

No Single

Authorization


WhenInUse Always

Location



Monitor

watchOS

Single Single

No No

No Single

No No

Authorization


In Use statusAuthorization

In Use status

In Use if:

Authorization

In Use status

In Use if:• Foreground

Authorization

In Use status

In Use if:• Foreground• Blue Bar

Authorization

In Use status

In Use if:• Foreground• Blue Bar• Handling message from Apple Watch

Authorization

AuthorizationPrompting

Initiate on iPhone


Initiate on iPhone• iPhone shows prompt


Initiate on iPhone• iPhone shows prompt• Apple Watch shows nothing


Initiate on Apple Watch

Initiate on Apple Watch• Apple Watch shows alert


Initiate on Apple Watch• Apple Watch shows alert • iPhone shows prompt


Initiate on Apple Watch• Apple Watch shows alert • iPhone shows prompt• Answer on iPhone


Available on watchOS

-requestLocation


-requestLocation

Accuracy with iPhone


-requestLocation

Accuracy with iPhone• Even indoor


-requestLocation


Accuracy standalone


-requestLocation


Accuracy standalone• kCLLocationAccuracyHundredMeters


-requestLocation


Accuracy standalone• kCLLocationAccuracyHundredMeters• Best effort

Cooperation

If you need:

Cooperation

If you need:• Continuous background location

Cooperation

If you need:• Continuous background location• Region monitoring

Cooperation

If you need:• Continuous background location• Region monitoring• Anything available on iOS, but prohibited on watchOS

Cooperation

WCSession

Introducing Watch Connectivity Pacific Heights Thursday 11:00AM

Cooperation

WCSession

• -sendMessage:replyHandler:errorHandler:


Cooperation

WCSession

• -sendMessage:replyHandler:errorHandler:• -updateApplicationContext:


-sendMessage:replyHandler:errorHandler:

Sending MessagesApple Watch –> iPhone

watchOS Appex



watchOS Appex

iOS App

watchOS Appex



iOS App




watchOS Appex

iOS App

watchOS Appex



• Launch if necessary



• Launch if necessary• In Use status transfers



• Launch if necessary• In Use status transfers• Remember allowsBackgroundLocationUpdates

iOS App

watchOS Appex

Sending MessagesiPhone -> Apple Watch




iOS App

watchOS Appex


• Must be running


iOS App

watchOS Appex


-updateApplicationContext:

iOS App

watchOS Appex



• Last one kept

iOS App

watchOS Appex



• Last one kept

iOS App




• Last one kept



• Last one kept• -allowDeferredLocationUpdatesUntilTraveled:timeout:


-requestLocation


-requestLocation

Cooperation: PotLoc


-requestLocation

Cooperation: PotLoc

Frameworks Lab @ 2:30-4:10PM

More Information

Sample CodePotLoc Sample Codehttps://developer.apple.com/sample-code/wwdc/2015/

Technical SupportApple Developer Forumshttp://developer.apple.com/forums

General InquiriesCraig Keithley Technology [email protected]

Jake Behrens App Frameworks [email protected]

mailto:[email protected]

Related Sessions

Introducing WatchKit for watchOS 2 Presidio Tuesday 10:00AM

What’s New in Core Motion Nob Hill Tuesday 3:30PM

What’s New in MapKit Nob Hill Tuesday 4:30PM

Achieving All-Day Battery Life Nob Hill Wednesday 9:00AM

Debugging Energy Issues Nob Hill Wednesday 10:00AM

What's New in Core Audio Nob Hill Wednesday 4:30PM


Related Lab

Core Location Lab Frameworks Lab A Thursday 2:30PM

what’s new in core location - apple developer€¦ · related sessions introducing watchkit for...

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