Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Snackbar in Compose with Friendly UI Testing

Avatar for Somkiat Khitwongwattana Somkiat Khitwongwattana
September 23, 2025
Technology
0
170

Snackbar in Compose with Friendly UI Testing

A guide to creating and testing Snackbar in Jetpack Compose, with a focus on friendly UI testing.

Avatar for Somkiat Khitwongwattana

Somkiat Khitwongwattana

September 23, 2025
Tweet

More Decks by Somkiat Khitwongwattana

See All by Somkiat Khitwongwattana
Gemini in Android Studio - Google I/O Bangkok '25
Avatar for Somkiat Khitwongwattana akexorcist
0
370
Adopting Jetpack Compose in Your Existing Project - GDG DevFest Bangkok 2024
Avatar for Somkiat Khitwongwattana akexorcist
0
220
Why App Signing Matters for Your Android Apps - Android Bangkok Conference 2024
Avatar for Somkiat Khitwongwattana akexorcist
1
660
Building the automated Android UI testing in Continuous integration at LINE MAN Wongnai
Avatar for Somkiat Khitwongwattana akexorcist
1
870
Building the automated Android UI testing in Continuous integration at LINE MAN Wongnai
Avatar for Somkiat Khitwongwattana akexorcist
1
81
What's new in Android 14 - IO Extended George Town 2023
Avatar for Somkiat Khitwongwattana akexorcist
1
370
All you need to know about new Logcat in Android Studio - DevFest Bangkok 2022
Avatar for Somkiat Khitwongwattana akexorcist
0
98
Backend for mobile app - Droidcon SG 2022
Avatar for Somkiat Khitwongwattana akexorcist
0
110
Backend for mobile app - Android Bangkok Conference 2022
Avatar for Somkiat Khitwongwattana akexorcist
1
190

Other Decks in Technology

See All in Technology
AWS Devops Agent ~ 自動調査とSlack統合をやってみた！ ~
Avatar for Kubo kubomasataka
2
210
習慣とAIと環境 — 技術探求を続ける3つの鍵
Avatar for azukiazusa azukiazusa1
3
780
20260120 Amazon VPC のパブリックサブネットを無くしたい！
Avatar for Masaru Ogura masaruogura
2
160
Riverpod3.xで実現する実践的UI実装
Avatar for Fumiya Sakai fumiyasac0921
2
340
メルカリのAI活用を支えるAIセキュリティ
Avatar for さうす s3h
6
3.4k
BPaaSオペレーション・kubell社内 n8n活用による効率化検証事例紹介
Avatar for kubell kubell_hr
0
270
Hardware/Software Co-design: Motivations and reflections with respect to security
Avatar for Bryan Cantrill bcantrill
1
260
これまでのネットワーク運用を変えるかもしれないアプデをおさらい
Avatar for da-hatakeyama hatahata021
4
280
クラウドセキュリティの進化 — AWSの20年を振り返る
Avatar for kei4eva4 kei4eva4
0
160
【northernforce#54】SalesforceにおけるAgentforceの位置づけ・事例紹介
Avatar for YutoSato yutosatou_kit
0
130
Vivre en Bitcoin : le tutoriel que votre banquier ne veut pas que vous voyiez
Avatar for Renaud Lifchitz rlifchitz
0
360
SOC2は、取った瞬間よりその後が面白い
Avatar for hima 3flower
1
190

Featured

See All Featured
Become a Pro
Avatar for Speaker Deck speakerdeck
PRO
31
5.8k
How to Ace a Technical Interview
Avatar for Jacob Kaplan-Moss jacobian
281
24k
Evolving SEO for Evolving Search Engines
Avatar for Ryan Jones ryanjones
0
110
Helping Users Find Their Own Way: Creating Modern Search Experiences
Avatar for Dan Newman danielanewman
31
3.1k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
38
2.7k
Balancing Empowerment & Direction
Avatar for Lara Hogan lara
5
850
30 Presentation Tips
Avatar for Ian Lurie portentint
PRO
1
190
Designing for humans not robots
Avatar for Tammie Lister tammielis
254
26k
How to make the Groovebox
Avatar for あそなす asonas
2
1.9k
[SF Ruby Conf 2025] Rails X
Avatar for Vladimir Dementyev palkan
0
720
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
Avatar for Addy Osmani addyosmani
9
1.1k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
Avatar for Joe Casabona jcasabona
34
2.6k

Transcript

  1. Snackbar in Compose with Friendly UI Testing Somkiat Khitwongwattana Staff

    Software Engineer (Android) @ LINE MAN Wongnai

  2. Hello Compose Multiplatform! OK

  3. None
  4. None
  5. None
  6. None
  7. None

  8. 1 2 3 4

  9. None
  10. None

  11. 1 2 3 Expect Actual

  12. None

  13. Any Solution?

  14. Any Solution? • Remove Snackbar message verification

  15. Any Solution? • Remove Snackbar message verification • Create a

    Snackbar controller & container for UI testing

  16. What Controller & Container Do? • Enforce indefinite duration during

    UI testing • Manually dismiss using code in UI testing
  17. None
  18. None
  19. None
  20. None
  21. None
  22. None
  23. None
  24. None
  25. None
  26. None
  27. None
  28. None
  29. None
  30. None
  31. None
  32. None
  33. None
  34. None
  35. None
  36. None
  37. None
  38. None
  39. None
  40. None
  41. None
  42. None
  43. None

  44. Dismiss Snackbar by code Dismiss Snackbar by code

  45. SnackbarContainer Recap SnackbarUiTest Controller SnackbarHostState Provider androidTest Store the SnackbarHostState

    that's created while the app is running, so it can be dismissed in a UI test. Inject the SnackbarHostState into the SnackbarUiTestController using Java Reflection Override the duration to be indefinite when running under UI test. main main

  46. Recap App SnackbarHostState Provider SnackbarContainer UI Test SnackbarUiTest Controller Inject

    SnackbarHostState Dismiss Snackbar

  47. Caution • Do not expose your test code to production

    environments, especially in a multi-module project • Avoid unexpected Snackbar behavior in complex UI

  48. Thank you Presentation Link