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Craft Collaborative Apps with Marius RACKWITZ @mrackwitz [email protected] realm ، ف ٔ ׾ ⡲ ׷ ؝ ٓ ن ٖ խ ء ّ ٝ ׾ ⢪ ׏ ג ٦

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What is a collaborative app? ؝ٓنٖ٦ءّٝ،فٔהכ 
 ? [email protected]

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Examples for Collaborative Apps ؝ٓنٖ٦ءّٝ،فٔך⢽ [email protected]

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[email protected] Realm Mobile Database

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➡#
 Who has heard about Realm before? [email protected] Realm׾濼׏גְתַׅ

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➡#
 Who has played around with Realm? [email protected] Realm׾⢪׏׋ֿהכ ֮׶תַׅ

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➡#
 Who has shipped an app with Realm? [email protected] Realm׾⢪׏׋،فٔ׾ ٔٔ٦أ׃׋ֿהכ֮׶תַׅ

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What is it?
 What is it not? Realmהכ⡦ד׃׳ֲַ ⡦דכזְד׃׳ֲַ [email protected]

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Realm is not an ORM. RealmכORMדכ֮׶תׇ׿ 
 Realm is the database itself. ر٦ةك٦أ׉ך׮ךדׅ [email protected]

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[email protected] Embedded 穈׫鴥׫ך NoSQL NoSQL Object-oriented ؔـآؙؑز䭷ぢ Database ر٦ةك٦أ

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Embedded 穈׫鴥׫ = Built from scratch for mobile ٌغ؎ٕ堣㐻ך׋׭חئַٗ׵Ꟛ涪 [email protected]

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NoSQL
 =Schema-free? أؗ٦وٖأ
 No, too inefficient. 麩ְתׅ [email protected]

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Object-oriented ؔـآؙؑز䭷ぢ [email protected]

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[email protected] // Person.swift import UIKit import RealmSwift class Person: Object { dynamic var name = "" dynamic var age = 0 let children = List() let parents = LinkingObjects(fromType: Person.self, property: "children") } let person = Person() person.name = "Craig" person.age = 47 let realm = try! Realm() try! realm.write { realm.add(person) } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 realmSampleApp Generic iOS Device

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Objects all the way down. ׅץגכؔـآؙؑزדׅ [email protected]

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Now onto
 Realm Mobile Platform [email protected]

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[email protected] Realm Mobile Platform

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[email protected] Deployment σϓϩΠ ؔٝفٖىأ ػـٔحؙؙٓؐس J04ת׋כ"OESPJE

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Use Cases 崞欽✲⢽ [email protected]

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[email protected] Device Backup ر٦ةךغحؙ،حف

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[email protected] Cross-Device Sync رغ؎أ꟦ךず劍

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[email protected] Real-Time Collaboration ٔ،ٕة؎يךⰟず箟꧊

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Example ྫ Example

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[email protected]

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[email protected]

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[email protected] Do you want to learn something
 great today?

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[email protected] ➙ד׃׳

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[email protected] You’ll learn a new vocabulary word.

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[email protected] For that I need to introduce you to the Kanji for “clear up”.

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[email protected] I’ll instruct you to draw this out of some radicals you already know …

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[email protected] Start with the radical for day / sun on the middle left.

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[email protected]

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[email protected] Doing great!

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[email protected] Next up …

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[email protected] Good! I’ll take of the rest for now while you keep doing!

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected]

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[email protected] So that means literally great!

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[email protected] Replace Your Backend 傀㶷ךغحؙؒٝسءأذي׾縧ֹ䳔ִ׷

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[email protected] ⛔ Ban JSON
 from your app. ،فٔ ַ׵JSON׾ 䱖ꤐׅ׷

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[email protected] Swift class Account { dynamic var amount: Money dynamic var currency: Currency } JSON { “amount”: 1000.45, “currency”: “USD” } POST %7B%E2%80%9Camount%E2 %80%9D%3A+1000.45%2C+ %E2%80%9Ccurrency%E2%80 %9D%3A+%E2%80%9CUSD… Dictionary [ “amount”: Double, “currency”: String ] And decode that back on the server…

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How? Via Built-in Notifications וֲװ׏ג
 Realmͷ鸐濼堣腉׾⢪ְתׅ [email protected]

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Built-in Notifications
 Realmͷ௨஌ػೳ [email protected] On Individual Properties (KVO) ぐفٗػذ؍ך㢌刿׾湊鋔(KVO) On Objects ぐؔـآؙؑزך㢌刿׾湊鋔 On Collections ؝ؙٖءّٝך㢌刿׾湊鋔 On Whole File ؿ؋؎ٕⰋ⡤ך㢌刿׾湊鋔 On All Realms ׅץגךRealmؿ؋؎ٕך㢌刿׾湊鋔

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Coupon DC9WP Coupon DC9WP coupon.code = DC9WP coupon.isValid = true 1 2 3 validate() Event Handling [email protected] ؙ٦هٝ ؙ٦هٝ 嗚鏾

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But how do we manage access? ،ؙإأ埄ך盖椚 חאְג [email protected]

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With a REST API? REST API׾⢪ְתַׅ [email protected]

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No, we use Realms for that as well!
 ְְִծRealm׾⢪ְתׅ [email protected]

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Special Realms 暴ⴽזRealm [email protected] /__admin.realm Single source of truth of all permissions ׅץגך埄ꣲ׾♧⯋盖 椚ׅ׷ /~/__management.realm Modify permissions 埄ꣲ׾㢌刿ׅ׷ /~/__permission.realm Mirrors permissions affecting this user 埄ꣲך朐䡾׾♧鋮٥然 钠ׅ׷

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Putting it all together ֿ׸תדךתה׭ [email protected]

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[email protected] + + /__admin.realm /userA/__management.realm User ID Permission PermissionChange /userB/__permission.realm Permission + …

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for question in questions { say(question) { try! say(Answer(to: $0))) } } [email protected]

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Want to learn more? ׮׏ה帾ֻ濼׶׋ְדַׅ Come to our workshop! ׈מٙ٦ؙءّحفח勻גֻ׌ְׁ try! Realm [email protected] Marius Rackwitz Katsumi Kishikawa

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3/19th Tokyo - ౦ژɾ3݄19೔ 3/26th Osaka - େࡕɾ3݄26೔ realm.io/world-tour

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׀幠耮֮׶ָהֲ׀ְׂת׃׋ [email protected]