Realm Database Hands On (GDG Kaohsiung #43)

Introduction to Realm Database for Android Developers

http://www.accupass.com/go/gdgkaohsiung43
https://www.facebook.com/groups/AKDGroup/

Transcript

1. REALM DATABASE HANDS ON REALM MOBILE DATABASE @ GDG KAOHSIUNG 2017.1.18
2. About me 7 yrs experience in mobile app development Interests in product development and app-related technology Currently Android development freelancer Co-host of GDG Kaohsiung
3. AN EASY TO USE MOBILE DATABASE AND OBJECT FRAMEWORK HTTPS://REALM.IO/
4. WHAT IS REALM?
5. A FAST, NEW DATABASE
6. WRITTEN FROM THE GROUND IN C++
7. TAKE A LOOK
8. Storing Data in Realm is Easy
9. Storing Data in Realm is Easy
10. Saving Objects in Realm
11. Saving Objects in Realm
12. Transactions in Realm
13. Recommended Transactions in Realm
14. How to Get Your Data
15. The Query Interface
16. More Query Modifiers between() equalTo() notEqualTo() greaterThan() lessThan() greaterThanOrEqualTo() lessThanOrEqualTo() contains() beginsWith() endsWith()
17. OBJECT RELATIONSHIPS
18. Many-To-One
19. Saving a Many-To-One Relationship
20. One-To-Many / Many-To-Many
21. Recursive Relationships
22. Relationship Query (Link Query)
23. Relationship Query (Link Query)
24. Relationships in Realm https://realm.io/docs/java/latest/#relationships
25. WHAT U NEED
26. Setup in Gradle
27. Extends RealmObject
28. Or Use Annotations
29. Interact with Realm Use static methods Realm.isValid(obj) Realm.addChangeListener(…) etc.
30. SUPER EASY!
31. WHY DO I USE IT?
32. NO MORE SQL (LIKE SOME ORMS)
33. USE JAVA OBJECTS (LIKE SOME ORMS)
34. ALTERNATIVE TO SQLITE (SQLITE IS NOT DESIGNED FOR MOBILE)
35. PERFORMANCE (C++ CORE) (DESIGNED FOR MOBILE)
36. https://github.com/realm/realm-java-benchmarks
37. OPEN SOURCED (INCLUDING CORE)
38. OVER 1 BILLION USERS
40. ANOTHER GREAT FEATURE: REACTIVE PROGRAMMING
41. QUERY RESULTS UPDATE AUTOMATICALLY
42. Reactive Realm: RealmObject
43. Reactive Realm: RealmResult<T>
44. Watch the entire Realm
45. Something missing
46. MULTI-THREAD HANDLING
47. REALM’S THREADING DECISIONS
48. MULTI-THREADING IS HARD
49. NORMALLY SOLVED WITH LOCKS (LOCKS ARE SLOW)
50. DATA CONSISTENCY?
51. Realm objects between threads
52. The Keys Takeaway 1. YOU CAN NOT PASS Realm objects between threads 2. Realm will notify the data changes (with change listeners) 3. Listen changes in the thread you need
53. Multithreading in Realm
54. ASYNC API
55. Async API in Realm Sync: Async:
56. Async API in Realm
57. Async API in Realm
58. RXJAVA SUPPORT
60. RxJava Support in Realm
61. DATABASE MIGRATION
62. https://realm.io/docs/java/latest/#migrations
63. DATABASE ENCRYPTION
64. https://realm.io/docs/java/latest/#encryption
65. BEST PRACTICES
66. https://realm.io/docs/java/latest/#best-practices
67. REALM BROWSER
70. REALM ON GITHUB
71. https://github.com/realm/realm-java https://github.com/realm/realm-java-benchmarks https://github.com/realm/realm-android-user-store https://github.com/realm/realm-android-adapters For Android with Realm Object Server: For Android Developer: https://github.com/realm/realm-java/tree/master/examples https://github.com/eggheadgames/android-realm-asset-helper
72. Thank You Any question?