The following assertion was thrown building Scaffold(dirty, state: ScaffoldState#332f8(tickers: tracking 3 tickers)):
No Directionality widget found.The observable lifecycle events are:
\or:
════════ Exception caught by rendering library ═════════════════════════════════
_RenderInkFeatures object was given an infinite size during layout.
The relevant error-causing widget was:
\or :
════════ Exception caught by rendering library ═════════════════════════════════
The following assertion was thrown during performLayout():
RenderCustomMultiChildLayoutBox object was given an infinite size during layout.
当前首次发现是 *Scaffold *嵌套导致的。
a94a33d7-a5a6-455d-9d7b-2330b7e832ff.png
取消 *Scaffold *嵌套后正常。
再次报错同样的错误，这次是正常获取上下文后正常，见下图：
798b9980-0d7b-4f02-858d-5d94b30ae6fe.png
