feat(US-06, US-07): implement retro UI with pulse animation

Dark-themed Compose screen with:
- Large monospace BPM counter and pace slider (40-200 BPM)
- Six preset buttons (80/100/120/130/140/160 BPM)
- Volume slider with percentage readout
- Circular start/stop button with green pulse ring that
  animates on each beat via a coroutine-driven LaunchedEffect
- PacerViewModel owns AudioEngine lifecycle so audio survives
  configuration changes
This commit is contained in:
Jeena 2026-03-09 08:07:10 +00:00
parent def69f1a46
commit 3f38737a30
5 changed files with 255 additions and 19 deletions

View file

@ -21,6 +21,7 @@ androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-toolin
androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
lifecycle-viewmodel-compose = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-compose", version.ref = "lifecycleRuntimeKtx" }
junit = { group = "junit", name = "junit", version.ref = "junit" }
androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "androidxJunit" }
androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }