Link
Embed
Share
Beginning
This slide
Copy link URL
Copy link URL
Copy iframe embed code
Copy iframe embed code
Copy javascript embed code
Copy javascript embed code
Share
Tweet
Share
Tweet
Slide 1
Slide 1 text
Modern data transfer in Android Denis Aleksandrov, Arcadia
Slide 2
Slide 2 text
About me 3 years legacy 5 years enterprise 2+ years outsource 1+ years education Leading Engineer, Lecturer
Slide 3
Slide 3 text
data transfer Repository Presenter View
Slide 4
Slide 4 text
No content
Slide 5
Slide 5 text
- Nullability That hurts
Slide 6
Slide 6 text
null?
Slide 7
Slide 7 text
Integer == int? @Nullable/@NotNull everywhere?
Slide 8
Slide 8 text
It’s works!
Slide 9
Slide 9 text
- Nullability - Exceptions That hurts
Slide 10
Slide 10 text
No content
Slide 11
Slide 11 text
- Nullability - Exceptions - Async calls That hurts
Slide 12
Slide 12 text
No content
Slide 13
Slide 13 text
- Nullability - Exceptions - Async calls - Single format That hurts
Slide 14
Slide 14 text
Variants Call Promise Completable Callbacks Async Future Observable Livedata
Slide 15
Slide 15 text
- Nullability - Exceptions - Async calls - Single format - Thread dependencies That hurts
Slide 16
Slide 16 text
No content
Slide 17
Slide 17 text
No content
Slide 18
Slide 18 text
- Nullability - Exceptions - Async calls - Single format - Thread dependencies - Life cycles That hurts
Slide 19
Slide 19 text
No content
Slide 20
Slide 20 text
Android dev is painful but we have new tablets
Slide 21
Slide 21 text
Android pain pills - Kotlin
Slide 22
Slide 22 text
No content
Slide 23
Slide 23 text
No content
Slide 24
Slide 24 text
Android pain pills - Kotlin - Coroutines
Slide 25
Slide 25 text
No content
Slide 26
Slide 26 text
No content
Slide 27
Slide 27 text
No content
Slide 28
Slide 28 text
No content
Slide 29
Slide 29 text
Async code looks like sync code
Slide 30
Slide 30 text
Lifecycle management
Slide 31
Slide 31 text
No content
Slide 32
Slide 32 text
No content
Slide 33
Slide 33 text
Scopes + Jobs
Slide 34
Slide 34 text
https://proandroiddev.com/kotlin-coroutine-job-hierarchy-finish-cancel-and-fail-2d3d42a768a9
Slide 35
Slide 35 text
Android pain pills - Kotlin - Coroutines - LiveData
Slide 36
Slide 36 text
No content
Slide 37
Slide 37 text
Android pain pills - Kotlin - Coroutines - LiveData - Jetpack compose
Slide 38
Slide 38 text
https://blog.karumi.com/android-jetpack-compose-review/
Slide 39
Slide 39 text
Benefits - Single format - Complex details - Sync code looks like Async code - UI transfer must be auto - Less technical code, more business
Slide 40
Slide 40 text
Questions? https://t.me/guitariz github.com/d-aleksandrov