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Android: a Now Playing that survives a 439px screen, and the audit behind it #188

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logan merged 7 commits from 51-android-small-screens into main 2026-08-21 20:19:46 +00:00
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@@ -4867,12 +4867,22 @@ target is 6px tall.
**What the audit did not find is a reachability failure**, which is **What the audit did not find is a reachability failure**, which is
worth recording because it is the promise plan 018 makes. At 424x439, worth recording because it is the promise plan 018 makes. At 424x439,
on all ten primary views plus the queue, `documentElement.scrollWidth` on every view -- the ten primary ones, the queue, `album-details`,
`artist-details`, Downloads and Autotag -- `documentElement.scrollWidth`
is 424 against a 424 viewport, no control sits outside a scrollable is 424 against a 424 viewport, no control sits outside a scrollable
ancestor, and a hit test at each control's centre reaches the control. ancestor, and a hit test at each control's centre reaches the control.
The width work of #57, #62, #55 and #59 holds; what was left was The width work of #57, #62, #55 and #59 holds; what was left was
vertical, and it was this screen. vertical, and it was this screen.
The probe is worth keeping in mind for the next audit, because two of
its three checks needed a second pass to mean anything. "Painted
outside the viewport" flags a horizontally scrolling carousel -- the
home shelves -- so the real question is whether a *scrollable ancestor*
can bring the element back. And a hit test at a control's centre flags
everything below the fold in a scroll container, so it only says
something once the control is on screen. Both first drafts produced
long lists of nothing.
## Two traps that cost time on the device, both already written down (2026-08-21) ## Two traps that cost time on the device, both already written down (2026-08-21)
Recorded because both are in `android-tier.md` and I met them anyway. Recorded because both are in `android-tier.md` and I met them anyway.