Realm Centered Design

Realm, RxSwift, RxRealm MVVM

Transcript

1. yohei SUGIGAMI Realm Centered Design RxSwift+RxRealm(RealmNotification) Aug. 23, 2016 @ Wantedly potatotips #32 Realmத৺ઃܭ
2. γΰτͰίίϩΦυϧ ਿ্ ༸ฏ Yohei SUGIGAMI ID susieyy TwitterˍQiitaˍGithub
3. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 realm notificationΛ஌ͬͯ·͔͢ʁ
4. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 addNotificationBlockϝιουͰϒϩοΫΛ ొ࿥͢ΔͱΦϒδΣΫτ͕ߋ৽͞Εͨͱ͖ ௨஌Λड͚Δ͜ͱ͕ͰΔ ʢਆػೳʣ
5. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 Aը໘ Bը໘ WriteTx Notification Aը໘ͰͷมߋΛBը໘ʹ௨஌Ͱ͖Δ
6. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 Code example ͱ͘ʹ഑ྻσʔλͷ؂ࢹͷ ࠩ෼Index௨஌͕͢͹Β͍͠ʂ
7. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 RxSwift RxRealm x meets
8. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 try! Realm().objects(ContactRealm).asObservableChangeset() .subscribeNext { [weak self] results, changeset in guard let tableView = self?.tableView else { return } self?.results = results if let changeset = changeset { tableView.beginUpdates() tableView.insertRowsAtIndexPaths(…, withRowAnimation: .Automatic) tableView.deleteRowsAtIndexPaths(…, withRowAnimation: .Automatic) tableView.reloadRowsAtIndexPaths(…, withRowAnimation: .Automatic) tableView.endUpdates() } else { tableView.reloadData() } }.addDisposableTo(disposeBag) NotificationΛRxSwiftͷObservableͱͯ͠ѻ͑Δʂ
9. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 // Simple Create [MessageRealm("hello"), MessageRealm("world")] .toObservable() .subscribe(Realm.rx_add()) // With API let request = API.Endpoint.MessagesRequest().request() Session.rx_response(request) .subscribe(Realm.rx_add()) RealmObjectͷCRUD΋RwSwiftͷ؅ཧԼʹʂ
10. γΰτͰίίϩΦυϧ B Launch iPhone3G iOS Developer since mid 2008 RxSwift MVVM Realm Centered Design RxRealm
11. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 View ViewModel Aը໘ Bը໘ Cը໘ Subscribe ௨৴தͳͲը໘ݻ༗ͷঢ়ଶ RxSwift w/ MVVM ը໘ͷओཁͳσʔλ ը໘ԣஅతͳσʔλͷѻ͍͕೉͍͠ ʢLike໰୊ʣ
12. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 View ViewModel Aը໘ Bը໘ Cը໘ Subscribe ը໘ԣஅతͳঢ়ଶɾσʔλ ௨৴தͳͲը໘ݻ༗ͷঢ়ଶ earth (Singleton) ஍ٿ͸Ͱ͔͍ͬγϯάϧτϯ RxSwift w/ MVVM(earth) ը໘ͷओཁͳσʔλ Global ViewModel ©
13. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 View ViewModel Aը໘ Bը໘ Cը໘ Observable Store Subscribe ը໘ԣஅͳঢ়ଶ ը໘ͷओཁͳσʔλ ௨৴தͳͲը໘ݻ༗ͷঢ়ଶ earth (Singleton) ஍ٿ͸Ͱ͔͍ͬγϯάϧτϯ RxSwift+RxRealm w/ MVVM (RxRealm)
14. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 Redux - Single source of truth - State is read-only - Changes are made with pure functions ΞϓϦͷঢ়ଶɾσʔλΛอ࣋͢ΔStore͸ͨͩ1ͭ Inspired by
15. γΰτͰίίϩΦυϧ Launch iPhone3G iOS Developer since mid 2008 ΫϥΠΞϯτΞϓϦ͸ঢ়ଶɾσʔλ؅ཧ͸ෳࡶ - ෭࣍తͳ࢈෺ͱͯ͠ɺRxDatasourceʹΑΔTableViewBinding͸࢖͍ʹ ͍͘ͷͰRealmNotificationʹΑΔTableViewReload͸ѻ͍΍͍͢ 㱺 Rx w/ MVVMͱReduxͷ͍͍ͱ͜ΖͲΓΛ͍ͨ͠ - ը໘ʹඥͮ͘σʔλͱঢ়ଶΛViewModelʹ٧ΊΔͷ΋ɺΞϓϦશମͷσʔλͱ ঢ়ଶΛStoreʹ٧ΊΔͷ΋྆ۃ୺Ͱਏ͍ - “஍ٿ͸Ͱ͔͍ͬγϯάϧτϯ”͸ΤϙοΫϝΠΩϯά - ը໘ʹඥͮ͘ঢ়ଶΛ֤ViewModelʹσʔλΛStoreʢRealm or Singletonʣ ʹͱ͍͏ં஭ҊΛߟ͑ͨ ·ͱΊ
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