2022.04.28 ਆݪ ݈Ұ (@korodroid) Firestore։ൃͷޮ཰తͳਐΊํΛ ׬શʹཧղͨ͠ ʮʓʓ׬શʹཧղͨ͠ʯTalkɹ#28 

About me •Mobile App Development •Speeches (e.g. 9 International confs.) •Writings (e.g. 6 Dev Books) •[Of fi cial] Evangelist at NTT TechnoCross •[Private] iplatform.org •My Interest: Travelling/English/Running ਆݪɹ݈Ұ (@korodroid) 

About my product (Private works) Sekaiphone(Kotlin/Swift/Flutter+Firebase) 

 Cloud Firestore Frontend Backend NoSQL Database 

 FirestoreͰ͓͍͑ͨ͞3ͭͷϙΠϯτ 1. ֓ཁ&σʔλߏ଄ 2. ηΩϡϦςΟϧʔϧ 
 3. ։ൃʹศརͳTips 
 

 1. ֓ཁ&σʔλߏ଄ Frontend Backend 

 σʔλͷ࣋ͨͤํ(·ͣ͸ɺΠϝʔδ) Ϣʔβ [n] Todoσʔλ [m] 

 FirestoreͰ͓͍͑ͨ͞Ωʔϫʔυ collection document data ->ToDoσʔλn݅(ू߹) ->ToDoσʔλ1݅ ->ToDoσʔλ಺ͷ1߲໨ 

 Firestore্Ͱͷσʔλͷ࣋ͨͤํ collection document collection document document collection document 

 σʔλͷ࣋ͨͤํͷ࣮ݱྫ collection document Ϣʔβ [n] Todoσʔλ [m] 

 2. ηΩϡϦςΟϧʔϧ Firestore΁ͷΞΫηε੍ޚ 

 ηΩϡϦςΟϧʔϧͷఆٛྫ(͋͘·Ͱྫ) ྫ ࢦఆ೔·Ͱ͸ ೝূࡁϢʔβͳΒ

ʢ୭Ͱ΋ SFBEXSJUFͱ΋0, ࢦఆ೔ΑΓલͳΒ
୭Ͱ΋ SFBEXSJUFͱ΋0, ※࣮ࡍ͸ɺ֤ύεʹରͯ͠ద੾ͳΞΫηεݖΛઃఆඞਢʂ 

 3. ։ൃʹศརͳTips •Ϋϥ΢υ؀ڥʢςετ༻/ຊ൪༻ͳͲʣ 
 •ϩʔΧϧ؀ڥʢ։ൃ༻్ʣ 

 Ϋϥ΢υ؀ڥɿRules Playground wHFU
wDSFBUF
wVQEBUF
wEFMFUF ύε ೝূؔ࿈ EFCVH ؔ਺΋ศར 

 ϩʔΧϧ؀ڥɿFirebase Local Emulator Suite 

 ϩʔΧϧ؀ڥͷ४උ/࣮ߦ (1)Firebase CLIͷΠϯετʔϧ %curl -sL firebase.tools | bash 
 (2)FirebaseϓϩδΣΫτͱͯ͠ͷॳظԽ(ະ࣮ࢪͷ৔߹) %firebase init (3)Firebase Emulatorͷىಈ %firebase emulators:start ग़యɿFirebaseެࣜαΠτ 

 ϩʔΧϧ؀ڥΛ࢖ͬͯศརͩͬͨ͜ͱ •ଞͷڞಉ։ൃऀΛؾʹͤͣ։ൃͰ͖Δ •(Ϋϥ΢υ؀ڥͱൺֱͯ͠)σόοά͠қ͍ •Ϋϥ΢υ؀ڥͷίετΛؾʹͤͣ࢖͑Δ 

 ར༻Πϝʔδ(Authenticationͷ৔߹) 

 ར༻Πϝʔδ(Firestoreͷ৔߹) 

·ͱΊ •Firestore্Ͱͷσʔλͷ࣋ͨͤͨํ •ΞΫηε੍ޚ͸ɺηΩϡϦςΟϧʔϧͰ •ϩʔΧϧΤϛϡϨʔλ׆༻ͰΑΓޮ཰తʹ։ൃՄೳ  

 Please let me know if you have any requests 
 such as technical speeches, technical writings and so on. Facebook:http://fb.com/kanbara.kenichi Twitter:@korodroid LinkedIn:http://www.linkedin.com/in/korodroid Thank you so much