iOS13向けに位置情報周りを対応しようとしたら苦労した話

YUMEMI.swift #3 ~俺/私がやったiOS 13対応~
https://yumemi.connpass.com/event/142608/

で発表したものです。

Transcript

1. iOS13޲͚ʹҐஔ৘ใपΓΛ ରԠ͠Α͏ͱͨ͠Βۤ࿑ͨ͠࿩ @n3k0w3n/͓͑Ͷ͜
2. ͓͑Ͷ͜ גࣜձࣾAzitͰiOSΤϯδχΞ΍ͬͯ·͢ɻ ݸਓͰ࠷دӺΛݕ஌ͨ͠Γ௨஌͢ΔΞϓϦΛ࡞ͬͯ·͢ɻ Twitter: @n3k0w3n Qiita: @owen Github: @nekowen
3. Ґஔ৘ใΛऔಘ͢ΔྲྀΕΛ ͓ܰ͘͞Β͍
4. iOSʹରͯ͠ Ґஔ৘ใͷΦʔιϦΛཁٻ let lm = CLLocationManager() lm.delegate = self lm.requestAlwaysAuthorization() // lm.requestWhenInUseAuthorization()
5. ݖݶͷมߋΛݕ஌ (Optional) func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) { switch status { // Ϣʔβʔ͕ʮৗʹʯબ୒ͨ࣌͠ case .authorizedAlways: break // Ϣʔβʔ͕ʮΞϓϦΛ࢖༻தͷΈʯΛબ୒ͨ࣌͠ case .authorizedWhenInUse: break // Ϣʔβʔ͕ڋ൱ͬͨ࣌ case .denied: break // Ϣʔβʔ͕·ͩݖݶʹ͍ͭͯબ୒͍ͯ͠ͳ͍࣌ case .notDetermined: break // ϖΞϨϯλϧίϯτϩʔϧͳͲͰ੍ݶ͞Ε͍ͯΔͱ͖ case .restricted: break } }
6. Ґஔ৘ใΛऔಘ lm.startUpdatingLocation() … func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) { // ͜͜ͰಘͨҐஔ৘ใʹରͯ͠ॲཧΛ͢Δ }
7. iOS13͔Βͷมߋ఺
8. iOS12 iOS13
9. ࠷ॳ͔ΒৗʹڐՄΛબ΂ͳ͘ͳͬͨ • requestAlwaysAuthorization()ΛݺͿͱΦʔιϦ͸
 .alwaysͰฦͬͯ͘Δ • WWDC2019ͷηογϣϯͰ͸͜ΕΛʮԾͷৗʹڐՄʯ ͱઆ໌͞Ε͍ͯΔ • Core Location͸Ͳ͔͜ͷλΠϛϯάͰ1౓͚ͩϢʔβʔ ʹରͯ͠ʮΞϓϦΛ࢖༻தͷΈڐՄʯʹ͢Δ͔ɺʮৗʹ ڐՄʯʹ͢Δ͔ฉ͍ͯ͘Δ
10. ࠷ॳ͔ΒৗʹڐՄΛબ΂ͳ͘ͳͬͨ • requestAlwaysAuthorization()ΛݺͿͱΦʔιϦ͸
 .alwaysͰฦͬͯ͘Δ • WWDC2019ͷηογϣϯͰ͸͜ΕΛʮԾͷৗʹڐՄʯ ͱઆ໌͞Ε͍ͯΔ • Core Location͸Ͳ͔͜ͷλΠϛϯάͰ1౓͚ͩϢʔβʔ ʹରͯ͠ʮΞϓϦΛ࢖༻தͷΈڐՄʯʹ͢Δ͔ɺʮৗʹ ڐՄʯʹ͢Δ͔ฉ͍ͯ͘Δ ʮৗʹڐՄʯ Λબ͹ͤΔϋʔυϧ͕ߴ͘ͳͬͨ
11. ରԠͨ͜͠ͱ • Ґஔ৘ใڐՄͷϑϩʔݟ௚͠
 ඞཁͰ͋Ε͹Ϣʔβʔʹઃఆ͔Βมߋͯ͠΋Β͏Α͏ଅ͢
 • ຊ౰ʹʮৗʹڐՄʯ͕ඞཁͳͷ͔ݟ௚͢
 ىಈதʹόοΫάϥ΢ϯυͰಈ࡞ͤ͞Δఔ౓Ͱ͋Ε͹
 ʮ࢖༻தͷΈڐՄʯͰे෼
12. < શવେม͡Όͳ͘Ͷʁ
13. ͜Ε͔Β͕஍ࠈͰͨ͠
14. ̍౓͚ͩڐՄ͕௥Ճ͞Εͨ • ѻ͍ͱͯ͠͸ʮΞϓϦΛ࢖༻தͷΈڐՄʯͱಉ͡ • ΞϓϦΛkill͢Δͱ.notDetermined(ະఆ)ʹ໭Δ • ΞϓϦ͕όοΫάϥ΢ϯυʹભҠͨ͠ޙ
 ͠͹Βͯ͘͠΋.notDeterminedʹ໭Δ
 ※όοΫάϥ΢ϯυͰҐஔ৘ใΛ࢖͏৔߹͸໭Βͳ͍
15. ̍౓͚ͩڐՄ͕௥Ճ͞Εͨ • ѻ͍ͱͯ͠͸ʮΞϓϦΛ࢖༻தͷΈڐՄʯͱಉ͡ • ΞϓϦΛkill͢Δͱ.notDetermined(ະఆ)ʹ໭Δ • ΞϓϦ͕όοΫάϥ΢ϯυʹભҠͨ͠ޙ
 ͠͹Βͯ͘͠΋.notDeterminedʹ໭Δ
 ※όοΫάϥ΢ϯυͰҐஔ৘ใΛ࢖͏৔߹͸໭Βͳ͍ ͖ͪΜͱϋϯυϦϯάͰ͖͍ͯͳ͍ ͱɺϑΥΞάϥ΢ϯυʹ෮ؼͨ࣌͠ ʹҐஔ৘ใΛऔಘͰ͖ͳ͘ͳΔʂ
16. < ŝƄŚŚ
17. ΍ͬͪ·࣮ͬͨ૷ (.notDeterminedΛϋϯυϦϯά͍ͯ͠ͳ͍ύλʔϯ) override func viewDidLoad() { super.viewDidLoad() self.lm.delegate = self self.lm.requestAlwaysAuthorization() } func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) { switch status { case .authorizedAlways, .authorizedWhenInUse: manager.startUpdatingLocation() default: break } }
18. ରԠํ๏
19. Ϣʔβʔ͕Ґஔ৘ใͷऔಘΛ ৗʹٻΊ͍ͯΔ৔߹ ex) ϚοϓΞϓϦͳͲɺΞϓϦΛ։͍ͨΒৗʹࣗ෼ ͷҐஔ৘ใΛ஌Δඞཁ͕͋Δ৔߹ → ΞϓϦ͕ϑΥΞάϥ΢ϯυʹೖͬͨΒ ΦʔιϦΛٻΊΔ
20. func applicationWillEnterForeground(_ application: UIApplication) { if CLLocationManager.authorizationStatus() == .notDetermined { self.lm.requestWhenInUseAuthorization() } }
21. Ϣʔβʔ͕Ґஔ৘ใͷ औಘλΠϛϯάΛܾΊΔ৔߹ ex) νΣοΫΠϯϘλϯΛԡͨ͠Βݱࡏ஍Λαʔ όʔʹૹΓ͚ͭΔ৔߹ → Ґஔ৘ใΛऔಘ͢Δ࣌ʹΦʔιϦΛٻΊΔ
22. func startCheckIn() { switch CLLocationManager.authorizationStatus() { case .authorizedAlways, .authorizedWhenInUse: self.lm.requestLocation() case .notDetermined: self.lm.requestWhenInUseAuthorization() case .denied, .restricted: self.showErrorAlert() } }
23. ·ͱΊ • ࠓͷΞϓϦ͕ཁٻ͢Δݖݶ͕ຊ౰ʹਖ਼͍͠ͷ͔ݟ௚͢
 ʮҐஔ৘ใʁ͏ʔΜɺৗʹڐՄʂwʯ͸ආ͚Δ
 • ʮΞϓϦΛ࢖༻தͷΈڐՄʯ͕બ୒͞Εͨ࣌ͷ͜ͱΛߟ͑Δ
 ඞཁͰ͋Ε͹ɺϢʔβʔʹݖݶͷมߋΛଅ͢
 • ݖݶ͕ະఆͷঢ়ଶʹ໭Δ͜ͱΛߟྀ͢Δ
 ඞཁͳ࣌ɺ͍ͭͰ΋ΦʔιϦΛཁٻͰ͖ΔΑ͏ʹઃܭ͓ͯ͘͠
24. ͝੩ௌ ͋Γ͕ͱ͏͍͟͝·ͨ͠