fix: Demo Unhandled Exception: Null check operator used on a null value Close #29 #30
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[PROBLEM]
The official demo will throw the error
Unhandled Exception: Null check operator used on a null value
when showing toast.see: Issue#29
[REASON]
Toast.show
need invokeToastView.createView
which needoverlayState
from its ancestor widget.ToastContext
inMyApp.build
, which ancestor element isRenderObjectToWidgetElement -> StatelessElement
,soOverlay.of
can't findoverlayState
.MaterialApp
already insert anoverlayState
for us[SOLUTION]
Use the context of
MyHomePage
instead ofMyApp
.[TEST]
Work with Flutter (Channel stable, 2.10.5, on Microsoft Windows [Version 10.0.19043.1766], locale en-US)