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
140

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
310
Adopting Jetpack Compose in Your Existing Project - GDG DevFest Bangkok 2024
Avatar for Somkiat Khitwongwattana akexorcist
0
210
Why App Signing Matters for Your Android Apps - Android Bangkok Conference 2024
Avatar for Somkiat Khitwongwattana akexorcist
1
610
Building the automated Android UI testing in Continuous integration at LINE MAN Wongnai
Avatar for Somkiat Khitwongwattana akexorcist
1
850
Building the automated Android UI testing in Continuous integration at LINE MAN Wongnai
Avatar for Somkiat Khitwongwattana akexorcist
1
75
What's new in Android 14 - IO Extended George Town 2023
Avatar for Somkiat Khitwongwattana akexorcist
1
350
All you need to know about new Logcat in Android Studio - DevFest Bangkok 2022
Avatar for Somkiat Khitwongwattana akexorcist
0
96
Backend for mobile app - Droidcon SG 2022
Avatar for Somkiat Khitwongwattana akexorcist
0
89
Backend for mobile app - Android Bangkok Conference 2022
Avatar for Somkiat Khitwongwattana akexorcist
1
170

Other Decks in Technology

See All in Technology
スタートアップの事業成長を支えるアーキテクチャとエンジニアリング
Avatar for どら doragt
1
4.6k
JavaScript パーサーに using 対応をする過程で与えたエコシステムへの影響
Avatar for Yuichiro Yamashita baseballyama
1
110
DDD x Microservice Architecture : Findy Architecture Conf 2025
Avatar for syobochim syobochim
12
3.1k
Redux → Recoil → Zustand → useSyncExternalStore： 状態管理の10年とReact本来の姿
Avatar for ZOZO Developers zozotech
PRO
21
8.9k
はじめての OSS コントリビューション 〜小さな PR が世界を変える〜
Avatar for Chihiro Ito chiroito
4
350
LINEヤフー バックエンド組織・体制の紹介
Avatar for LINEヤフーTech (LY Corporation Tech) lycorptech_jp
PRO
0
830
その意思決定、まだ続けるんですか？ ~痛みを超えて未来を作る、AI時代の撤退とピボットの技術~
Avatar for Michiru Kato applism118
23
13k
マルチドライブアーキテクチャ: 複数の駆動力でプロダクトを前進させる
Avatar for Kenichi SUZUKI knih
0
6.6k
レガシーシステム刷新における TypeSpec スキーマ駆動開発のすゝめ
Avatar for karacoro / からころ tsukuha
0
180
なぜブラウザで帳票を生成したいのか　どのようにブラウザで帳票を生成するのか
Avatar for yagisan-reports yagisanreports
0
150
[CV勉強会@関東 ICCV2025 読み会] World4Drive: End-to-End Autonomous Driving via Intention-aware Physical Latent World Model (Zheng+, ICCV 2025)
Avatar for abemii_ abemii
0
240
Moto: Latent Motion Token as the Bridging Language for Learning Robot Manipulation from Videos
Avatar for peisuke peisuke
0
160

Featured

See All Featured
Site-Speed That Sticks
Avatar for Harry Roberts csswizardry
13
970
Context Engineering - Making Every Token Count
Avatar for Addy Osmani addyosmani
9
410
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
55
12k
How GitHub (no longer) Works
Avatar for Zach Holman holman
315
140k
[RailsConf 2023 Opening Keynote] The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
31
9.8k
Scaling GitHub
Avatar for Zach Holman holman
463
140k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
Avatar for Stéphanie Walter stephaniewalter
285
14k
A better future with KSS
Avatar for Kyle Neath kneath
239
18k
Art, The Web, and Tiny UX
Avatar for Lynn Fisher lynnandtonic
303
21k
4 Signs Your Business is Dying
Avatar for Josh Pigford shpigford
186
22k
BBQ
Avatar for Matthew Crist matthewcrist
89
9.9k
XXLCSS - How to scale CSS and keep your sanity
Avatar for Zaharenia Atzitzikaki sugarenia
249
1.3M

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