ManhNTX
23 lines
764 B
Markdown
23 lines
764 B
Markdown
# 7. Fix show Dropdown can't not over overlayUI (#685)
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Date: 2022-06-29
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## Status
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- Issue: DropDownButton menu shows behind Overlay
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## Context
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- Root cause: Add package flutter_portal to fix this issue
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## Decision
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- When add Dropdown button to overlayUI, it can't lying above overlayUI.
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## Consequences
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- The app Navigator has a list of routes (_history) and each route has its list of OverlayEntry's.
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When you push a new route using Navigator.push() you are inserting the route overlays above the overlays of the last route.
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So, when you add an independent Overlay with just Overlay.of(context).insert(myOverlay);
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it will always be above any route/overlay managed by the app Navigator (if what you receive from the of() method is the Navigator Overlay).
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