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
190
Android Studio 3.0 profilerハンズオン
zaki50
2
720
Realm Japan meetup #23_Java
zaki50
0
680
Realm Japan meetup #22_Java
zaki50
1
490
Realm World Tour Osaka Recent Java Updates
zaki50
0
430
Realm World Tour - ErrorProne in Realm Java
zaki50
2
430
Realm World Tour Tokyo Recent Java Updates
zaki50
3
720
Realm World Tour - ErrorProne in Realm Java
zaki50
2
670
Other Decks in Technology
See All in Technology
アジャイル脅威モデリング#1(脅威モデリングナイト#8)
masakane55
3
240
ここはMCPの夜明けまえ
nwiizo
32
12k
彩の国で始めよう。おっさんエンジニアから共有したい、当たり前のことを当たり前にする技術
otsuki
0
160
Mastraに入門してみた ~AWS CDKを添えて~
tsukuboshi
0
340
AWSで作るセキュアな認証基盤with OAuth mTLS / Secure Authentication Infrastructure with OAuth mTLS on AWS
kaminashi
0
190
30代からでも遅くない! 内製開発の世界に飛び込み、最前線で戦うLLMアプリ開発エンジニアになろう
minorun365
PRO
15
4.6k
AIエージェント開発手法と業務導入のプラクティス
ykosaka
9
2.3k
コスト最適重視でAurora PostgreSQLのログ分析基盤を作ってみた #jawsug_tokyo
non97
1
750
AIコーディングの最前線 〜活用のコツと課題〜
pharma_x_tech
4
2.7k
Terraform Cloudで始めるおひとりさまOrganizationsのすゝめ
handy
2
200
意思決定を支える検索体験を目指してやってきたこと
hinatades
PRO
0
290
生成AIのユースケースをとにかく集めてまるっと学ぶ!/ all about generative ai usecases
gakumura
2
280
Featured
See All Featured
Making Projects Easy
brettharned
116
6.1k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
49k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
29
9.4k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
VelocityConf: Rendering Performance Case Studies
addyosmani
329
24k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
34
2.2k
StorybookのUI Testing Handbookを読んだ
zakiyama
29
5.7k
Visualization
eitanlees
146
16k
Building a Scalable Design System with Sketch
lauravandoore
462
33k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
135
33k
Statistics for Hackers
jakevdp
798
220k
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