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2ed87f5cfb
A display could come up with a border on one edge the exact size of a system
bar that was set to hide -- sometimes. Reboot and it might fill the screen
correctly. It has been "sometimes doesn't fill" for a long time, across
devices, which is what a race looks like from the outside.
applyOrientation() read `resources.displayMetrics`, which reports the app
WINDOW rather than the panel. Immersive mode is a request: the bars hide and
the window grows several frames later. A playlist arriving before that finished
measured a bar-sized window and wrote it straight into rootView's layoutParams
-- and it stayed there, because the guard compared only the orientation STRING,
which never changes on a display that has always been landscape. The window
then expanded and the stage did not, leaving dead space the exact size of a bar
that was no longer on screen. onWindowFocusChanged re-asserted the immersive
flags but never re-measured, so nothing repaired it.
Rendering the cached playlist immediately at boot made losing that race the
common case rather than a rare one.
Three changes, each of which alone would help and which together make it
unwinnable:
- re-measure on onWindowFocusChanged, so a stage sized during any transient
window state corrects itself instead of being permanent;
- the guard compares the measured SIZE as well as the orientation, so
"landscape -> landscape" can repair a bad measurement;
- ask for full-bleed through WindowCompat/WindowInsetsControllerCompat as
well as the deprecated systemUiVisibility flags, because some OEM builds
honour only the modern route.
Deliberately measures the WINDOW, not the display. On one RK356x box
`dumpsys window` reports `init=1920x1080 app=1920x1024`: the firmware reserves
56px for a hidden bar, and those pixels are not the app's to paint. Sizing the
stage to the display there would not fill the gap, it would push the bottom of
every asset outside the window and crop it silently -- worse than a border. If
`app=` still differs from `init=` after this, the reservation is firmware
behaviour and has to be turned off on the device.
Also shipped as a 1.9.24-based build for the reporting customer, so the change
could be tested in isolation against ten releases of drift.
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| gradle/wrapper | ||
| build.gradle.kts | ||
| gradle.properties | ||
| gradlew | ||
| gradlew.bat | ||
| settings.gradle.kts | ||