小编sr2*_*k23的帖子

渲染库捕获异常

The following assertion was thrown during performLayout():\nSliverGeometry is not valid: The "scrollExtent" is negative.\nThe RenderSliver that returned the offending geometry was: RenderSliverGrid#f9778 relayoutBoundary=up2 NEEDS-LAYOUT NEEDS-PAINT:\n  creator: SliverGrid \xe2\x86\x90 MediaQuery \xe2\x86\x90 SliverPadding \xe2\x86\x90 Viewport \xe2\x86\x90 IgnorePointer-[GlobalKey#15db4] \xe2\x86\x90\n    Semantics \xe2\x86\x90 _PointerListener \xe2\x86\x90 Listener \xe2\x86\x90 _GestureSemantics \xe2\x86\x90\n    RawGestureDetector-[LabeledGlobalKey<RawGestureDetectorState>#30301] \xe2\x86\x90 _PointerListener \xe2\x86\x90 Listener\n    \xe2\x86\x90 \xe2\x8b\xaf\n  parentData: paintOffset=Offset(0.0, 0.0) (can use size)\n  constraints: SliverConstraints(AxisDirection.down, GrowthDirection.forward, ScrollDirection.idle,\n