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Keep the map design across configuration changes - #22

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wf9a5m75 merged 1 commit into
developfrom
fix/saver-state
Nov 7, 2026
Merged

wf9a5m75 merged 1 commit into
developfrom
fix/saver-state

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@wf9a5m75 wf9a5m75 commented Nov 7, 2026

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  • The saver kept only the id and restored through Create(id), so Custom
    designs lost their attribution rules (and unknown ids became None).
    It now records whether the design was a preset.
  • The controller started with None and reported it on listener attach,
    and onMapLoaded reported a preset rebuilt from mapType. The state now
    seeds the controller and ignores a report with the same mapType, so a
    Custom design keeps its rules.
  • Device round-trip test.

After a configuration change (screen rotation) the map state now keeps its design (id, style, attribution rules), uiSettings and camera paddings. Depends on android-sdk-core MapViewStateBundle; merge order core → compose → providers. Verified by rotating a Lenovo tablet (HA26Z6JL); instrumented tests pass the saved Bundle through a real Parcel.

- The saver kept only the id and restored through Create(id), so Custom
  designs lost their attribution rules (and unknown ids became None).
  It now records whether the design was a preset.
- The controller started with None and reported it on listener attach,
  and onMapLoaded reported a preset rebuilt from mapType. The state now
  seeds the controller and ignores a report with the same mapType, so a
  Custom design keeps its rules.
- Device round-trip test.
@wf9a5m75
wf9a5m75 merged commit a8a1bb8 into develop Nov 7, 2026
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