我在扩展的小部件中使用ListView.Builder,但它是通过exception实现的 RenderFlex children have non-zero flex but incoming heightRenderBox was not laid out: RenderRepaintBoundary#508c1 NEEDS-LAYOUT NEEDS-PAINTFailed asser
如何在下面附加的另一个SingleChildScrollView(垂直)代码中使Flutter SingleChildScrollView(水平)工作?Can use size) parentData:(Can Can Use size ) constraints: BoxConstraints(w=414.0,h=896.0)语义边界大小:←虽然此节点未标记为需要布局RenderBox对象必须具有显式大小,然后才能进行命中测试。确保有问题的RenderBox<
你好,我正在尝试用一个listview.builder在一个包装中呈现元素,但是它给了我错误constraints.hasBoundedHeight和RenderBox was not laid outRenderShrinkWrappingViewport#fd59a relayoutBoundary=up25 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE const CompatiblesInput(),