chore(brand): replace launcher icon + splash glyph with the Stack mark#29
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The Android Studio template robot was still shipping as the app icon
and as the splash mark. Ports the layered-squares glyph the login
hero uses (LoginScreen.StackLogoGlyph) into the launcher + splash
slots so the app's branding is consistent from the launcher tap
through to the first Compose frame.
* ic_launcher_foreground: brand glyph sized for the adaptive-icon
safe zone (central 66dp of a 108dp viewport) so the corners
survive round / squircle launcher masks.
* ic_launcher_background: solid SurfaceBase (#0B0B12) plate that
matches the window background, so the splash-to-content
transition doesn't flash a different color.
* ic_launcher_monochrome: single-tint variant for Android 13+
themed icons (the previous adaptive-icon XML pointed monochrome
at the colored foreground, which the platform can't recolor
cleanly).
* ic_brand_splash: standalone splash glyph that fills the full
108dp viewport. The launcher foreground has to keep its content
inside the safe zone and would render visibly small in the
SplashScreen API icon area (no mask is applied there); this
drawable expands the same three squares so the splash reads as
the Stack mark instead of a tiny inset.
* themes.xml: splash theme now points at ic_brand_splash.
Legacy mipmap-{m,h,xh,xxh,xxxh}dpi PNGs are untouched. They only
ship to API 24-25 devices that can't load the adaptive-icon XML
(min SDK is 24, so the fallback is required); generating new PNGs
from the vector needs a build-time tool that isn't wired in yet.
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Summary
LoginScreen.StackLogoGlyph) on both the launcher icon and the SplashScreen API mark.<monochrome>at the colored foreground, which the platform can't recolor cleanly).ic_brand_splash) because the launcher foreground has to stay inside the adaptive-icon safe zone and would render visibly small in the SplashScreen icon area.Notes
mipmap-{m,h,xh,xxh,xxxh}dpiPNGs are intentionally untouched. They only ship to API 24-25 devices that can't load the adaptive-icon XML (min SDK is 24, so the fallback is required); regenerating PNGs from the vector needs a build-time tool that isn't wired in yet.#0B0B12(SurfaceBase) so the splash-to-Compose transition doesn't flash a different color.Test plan
pm clear: launcher shows the brand glyph, splash shows the larger version on the dark background, content fades in without a color flash.