Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
オフラインファーストなアプリケーション開発
Search
zaki50
March 09, 2017
Technology
1
2.6k
オフラインファーストなアプリケーション開発
DroidKaigi 2017 Day1
16:00-16:50 Room 3
zaki50
March 09, 2017
Tweet
Share
More Decks by zaki50
See All by zaki50
I/O Extended 2018 @Tokyo Android1
zaki50
3
1.3k
簡単高速なDIライブラリToothpick
zaki50
1
210
Android Studio 3.0 profilerハンズオン
zaki50
2
740
Realm Japan meetup #23_Java
zaki50
0
710
Realm Japan meetup #22_Java
zaki50
1
520
Realm World Tour Osaka Recent Java Updates
zaki50
0
450
Realm World Tour - ErrorProne in Realm Java
zaki50
2
460
Realm World Tour Tokyo Recent Java Updates
zaki50
2
750
Realm World Tour - ErrorProne in Realm Java
zaki50
1
700
Other Decks in Technology
See All in Technology
生成AI_その前_に_マルチクラウド時代の信頼できるデータを支えるSnowflakeメタデータ活用術.pdf
cm_mikami
0
120
AWS 잘하는 개발자 되기 - AWS 시작하기: 클라우드 개념부터 IAM까지
kimjaewook
0
110
SwiftUIのGeometryReaderとScrollViewを基礎から応用まで学び直す:設計と活用事例
fumiyasac0921
0
140
職種別ミートアップで社内から盛り上げる アウトプット文化の醸成と関係強化/ #DevRelKaigi
nishiuma
2
140
業務自動化プラットフォーム Google Agentspace に入門してみる #devio2025
maroon1st
0
190
AI Agentと MCP Serverで実現する iOSアプリの 自動テスト作成の効率化
spiderplus_cb
0
510
ZOZOのAI活用実践〜社内基盤からサービス応用まで〜
zozotech
PRO
0
180
Where will it converge?
ibknadedeji
0
190
生成AIで「お客様の声」を ストーリーに変える 新潮流「Generative ETL」
ishikawa_satoru
1
330
[2025-09-30] Databricks Genie を利用した分析基盤とデータモデリングの IVRy の現在地
wxyzzz
0
490
OCI Network Firewall 概要
oracle4engineer
PRO
1
7.8k
GA technologiesでのAI-Readyの取り組み@DataOps Night
yuto16
0
270
Featured
See All Featured
Product Roadmaps are Hard
iamctodd
PRO
54
11k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.7k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
KATA
mclloyd
32
15k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
33
2.5k
Java REST API Framework Comparison - PWX 2021
mraible
33
8.8k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
30
2.9k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
1.6k
Side Projects
sachag
455
43k
How to train your dragon (web standard)
notwaldorf
96
6.3k
Writing Fast Ruby
sferik
629
62k
Transcript
[email protected]
ΦϑϥΠϯϑΝʔετ ΞϓϦέʔγϣϯ։ൃ 2017/3/9 Droid Kaigi 2017 16:00- Room3 Makoto
Yamazaki (@zaki50)
[email protected]
Makoto Yamazaki Realm / uPhyca Inc. @zaki50
[email protected]
agenda ΦϑϥΠϯϑΝʔετͱ ΦϑϥΠϯϑΝʔετͰͷٕज़త՝ Realmతղܾࡦ σϞ ·ͱΊ
[email protected]
ΦϑϥΠϯϑΝʔ ετʁ
[email protected]
ΦϑϥΠϯϑΝʔετ ݩʑWebͰͷߟ͑ํ ࠷ॳ͔ΒΦϑϥΠϯͰͷಈ࡞Λߟ͑ͨWebαʔϏε ϒϥβ͕ϩʔΧϧʹετϨʔδΛ࣋ͯΔΑ͏ʹͳͬ ͨ
[email protected]
ϞόΠϧ Billions of Minutes Online (USA) 0 250 500
750 1000 1250 1500 Jun 2013 Jun 2014 Jun 2015 Desktop Mobile App Mobile Browser
[email protected]
ϞόΠϧͰͷΦϑϥΠϯϑΝʔετ αʔϏεΛޭͤ͞ΔͨΊʹྑ͍ΞϓϦ͕ඞཁ ΦϑϥΠϯͰͷར༻ίΞػೳ ར༻ऀΦϑϥΠϯͰ͑Δ͜ͱΛͨΓલͱࢥ͍࢝ Ίͨ
[email protected]
ඞཁͳػೳ αʔόʔͱͷ௨৴ ΦϑϥΠϯ࣌ͷͨΊͷετϨʔδʗσʔλϕʔε ΦϯϥΠϯʹͳͬͨ࣌ͷσʔλಉظ ͜ΕΒ͕ࣗવͳܗͰΞϓϦͷػೳʹΈࠐ·Ε͍ͯΔ͜ͱ
[email protected]
௨৴෦ͷ՝ Java, React Native, Xamarin σʔλϕʔε ௨৴ʗσʔλಉظػೳ Android
[email protected]
௨৴ͷ՝
[email protected]
σʔλϕʔεͷ՝ ΦϑϥΠϯ࣌༻ͷϩδοΫΛผ్࣮͢ Δ͜ͱ͕ඞཁ ΦϯϥΠϯ࣌: αʔόʔ͔Βऔಘ(ͱอଘ) ΦϑϥΠϯ࣌: σʔλϕʔε͔Βऔಘ
[email protected]
ಉظͷ՝ ࠷৽ใͷऔಘλΠϛϯά ΦϯϥΠϯʹͳͬͨΒࡍͷΞοϓϩʔυ ෳͰͷมߋͷ౷߹ ਖ਼ͱ͍ͯ͠
[email protected]
Realm Mobile Platform͕ղܾ͠·͢
[email protected]
Realm Mobile Platform ෳσόΠεͷσʔλϕʔεΛϦΞϧλΠϜಉظ ΦϑϥΠϯͰϩʔΧϧͷσʔλϕʔε͕͑Δ ΦϑϥΠϯ࣌ͷมߋিಥΛࣗಈղܾ SD SD SD
SDK SD Object Store Sync Server RMP Dashboar d Event Auth System Encryption Layer Rules Engine Data Connect ors Real-time Sync
[email protected]
RMPͰͷ௨৴ߏ Java, React Native, Xamarin σʔλϕʔε ௨৴ʗσʔλಉظػೳ Android
[email protected]
୯ͳΔಉظҎ্ͷ͍ํ
[email protected]
Realm Mobile Database
Ϟσϧͷఆٛ
[email protected]
public class Task extends RealmObject { @PrimaryKey public
String id = UUID.randomUUID().toString(); @Required public Date createdAt = new Date(); public String text; public boolean completed; }
RealmΠϯελϯεͷऔಘ
[email protected]
Realm realm = Realm.getDefaultInstance(); // 様々な機能へアクセスするための入り口。 // データベースコネクションと捉えることも可能。
... // 終わったら忘れずに閉じる realm.close();
σʔλͷૠೖ
[email protected]
final Task task = new Task(); task.text =
"原稿を書く"; realm.executeTransactionAsync(new Realm.Transaction() { @Override public void execute(Realm realm) { realm.insert(task); } });
σʔλͷݕࡧͱͷΞΫηε
[email protected]
final RealmResults<Task> completedTasks = realm.where(Task.class) .equalTo("completed", true) .findAll();
for (Task completedTask : completedTasks) { Log.d("debug", completedTask.text); }
σʔλͷߋ৽
[email protected]
RealmResults<Task> allTasks = realm.where(Task.class) .findAllSorted("createdAt"); // たとえばリストで position
== 5 の要素がタップされた時 final Task task = allTasks.get(5); realm.executeTransaction(new Realm.Transaction() { @Override public void execute(Realm realm) { task.completed = true; } });
σʔλͷআ
[email protected]
RealmResults<Task> allTasks = realm.where(Task.class) .findAllSorted("createdAt"); // たとえばリストで position
== 5 の要素がスワイプされた時 final Task task = allTasks.get(5); realm.executeTransaction(new Realm.Transaction() { @Override public void execute(Realm realm) { task.deleteFromRealm(); } });
มߋ௨
[email protected]
completedTasks.addChangeListener( new OrderedRealmCollectionChangeListener<RealmResults<Task>>() { @Override public void onChange(RealmResults<Task>
tasks, OrderedCollectionChangeSet changeSet) { // changeSetから、追加/削除/更新があった要素を取得 可能 } });
Realmͷ͍ํ·ͱΊ
[email protected]
• Ϋϥεͱͯ͠ϞσϧΛఆٛ͢Δ • RealmΠϯελϯεΛऔಘ͢Δ • τϥϯβΫγϣϯͷதͰՃߋ৽Λߦ͏ • ݕࡧΛߦ͍ɺදࣔʹඞཁͳΦϒδΣΫτΛRealmResultsݸผͷ
ϞσϧΦϒδΣΫτͱͯ͠औಘ͢Δ • RealmResultsϞσϧΦϒδΣΫτʹηοτͨ͠ϦεφʔͰ࠷৽ ͷใΛड͚औΓදࣔ͢Δ
ͦͷଞͷಛ
[email protected]
• ߴ • Ԇϩʔυ • σʔλϕʔε҉߸Խ • ΫϩεϓϥοτϑΥʔϜ(Android,
iOS) • etc.
ηοτΞοϓ
[email protected]
// in build.gradle buildscript { repositories { jcenter()
} dependencies { classpath "io.realm:realm-gradle-plugin:3.0.0" } } // in app/build.gradle apply plugin: 'realm-android'
[email protected]
σʔλಉظͷࣗવͳ֦ு
σʔλͷߋ৽
[email protected]
RealmResults<Task> allTasks = realm.where(Task.class) .findAllSorted("createdAt"); // たとえばリストで position
== 5 の要素がタップされた時 final Task task = allTasks.get(5); realm.executeTransaction(new Realm.Transaction() { @Override public void execute(Realm realm) { task.completed = true; } });
มߋ௨
[email protected]
completedTasks.addChangeListener( new OrderedRealmCollectionChangeListener<RealmResults<Task>>() { @Override public void onChange(RealmResults<Task>
tasks, OrderedCollectionChangeSet changeSet) { // changeSetから、追加/削除/更新があった要素を取得可能 } });
σʔλͷߋ৽
[email protected]
Server-side Realms completed = true; completed = true;
onChange()
ϩάΠϯ
[email protected]
// 認証 SyncCredentials credential = SyncCredentials.usernamePassword(email, password, false);
SyncUser user = SyncUser.login(credential, RealmTasksApplication.AUTH_URL); SyncConfiguration defaultConfig = new SyncConfiguration.Builder(user, RealmTasksApplication.REALM_URL) .build(); Realm.setDefaultConfiguration(defaultConfig);
[email protected]
Demo
[email protected]
িಥղܾ
ඪ४ͷղܾϧʔϧ
[email protected]
আৗʹ༏ઌ͞ΕΔ ಉ͡ϓϩύςΟͷฤूޙউͪ Ϧετͷૠೖ࣌ؒॱ Operational TransformʹΑΓɺ֤ʹదͳ มߋηοτ͕͞ΕΔ
[email protected]
CAPఆཧ ConsistencyʢҰ؏ੑʣ AvailabilityʢՄ༻ੑʣ Partition Toleranceʢஅੑʣ ̎ͭ·Ͱ͔͠ಉ࣌ʹຬͨ͢͜ͱ͕Ͱ͖ͳ͍
[email protected]
CAPఆཧ ConsistencyʢҰ؏ੑʣ AvailabilityʢՄ༻ੑʣ Partition Toleranceʢஅੑʣ ҰൠతͳRDB
[email protected]
CAPఆཧ ConsistencyʢҰ؏ੑʣ AvailabilityʢՄ༻ੑʣ Partition Toleranceʢஅੑʣ Apache HBaseɺMongoDB
[email protected]
CAPఆཧ ConsistencyʢҰ؏ੑʣ AvailabilityʢՄ༻ੑʣ Partition Toleranceʢஅੑʣ DNSͳͲɻRealm Mobile Platform͜Ε
[email protected]
Eventual Consistency Strong Eventual Consistency Strong Consistency Ұ؏ੑ
[email protected]
·ͱΊ
[email protected]
௨৴ͷ σʔλϕʔεͷ ಉظͷ ͍͜͠ͱRMPʹ·͔ͤΑ͏
ࢀߟใ
[email protected]
realm.io