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
2.4k
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
1.2k
簡単高速なDIライブラリToothpick
zaki50
1
170
Android Studio 3.0 profilerハンズオン
zaki50
2
640
Realm Japan meetup #23_Java
zaki50
0
570
Realm Japan meetup #22_Java
zaki50
1
420
Realm World Tour Osaka Recent Java Updates
zaki50
0
380
Realm World Tour - ErrorProne in Realm Java
zaki50
2
370
Realm World Tour Tokyo Recent Java Updates
zaki50
3
640
Realm World Tour - ErrorProne in Realm Java
zaki50
2
580
Other Decks in Technology
See All in Technology
大規模ドラレコデータ収集・機械学習基盤を支える AWS CDK 〜導入・運用事例紹介〜
pemugi
0
110
OSSコミットしてZennの課題を解決した話
dyoshikawa1993
0
150
LINE WORKSへ簡単通知!Incoming Webhookアプリの紹介
mmclsntr
0
110
JBUG岡山 #6 WordCamp男木島の チームビルディング
takeshifurusato
0
150
テストケースの自動生成に生成AIの導入を試みた話と生成AIによる今後の期待
shift_evolve
0
180
エンジニアリングマネージャーはどう学んでいくのか #devsumi / How Do Engineering Managers Continue to Learn and Grow?
expajp
4
1.3k
成長期に歩みを止めないための創業期の開発文化形成
mayah
6
420
「我々はどこに向かっているのか」を問い続けるための仕組みづくり / Establishing a System for Continuous Inquiry about where we are
daitasu
0
170
Git 研修 Advanced【MIXI 24新卒技術研修】
mixi_engineers
PRO
0
200
運用改善、不都合な真実 / 20240722-ssmjp-kaizen
opelab
17
8k
フルリモートワークはエンジニアの夢を叶えたか? #cm_odyssey
mamohacy
2
600
E2Eテスト自動化プラットフォームにおけるAIの活用
shift_evolve
0
180
Featured
See All Featured
A Philosophy of Restraint
colly
200
16k
Thoughts on Productivity
jonyablonski
64
4.1k
The Illustrated Children's Guide to Kubernetes
chrisshort
39
47k
Java REST API Framework Comparison - PWX 2021
mraible
PRO
20
7.2k
Robots, Beer and Maslow
schacon
PRO
157
8.1k
The Language of Interfaces
destraynor
151
23k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
277
13k
StorybookのUI Testing Handbookを読んだ
zakiyama
15
4.9k
Infographics Made Easy
chrislema
238
18k
How to train your dragon (web standard)
notwaldorf
79
5.5k
Designing the Hi-DPI Web
ddemaree
276
34k
Scaling GitHub
holman
458
140k
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