该应用程序从firebase实时数据库中检索数据,添加列表中的所有条目,并在PageView的第一页显示所有条目。当我在调试模式下启动应用程序时,我有以下错误: I/flutter ( 7901): ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
I/flutter ( 7901): The following NoSuchMethodError was thrownk
CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
The following NoSuchMethodError我打印了stores.length,它返回了6,但是不管是什么原因,应用程序找到了一个null并抛出了一个错误。 请注意,应用程序上的屏幕显示正确,但在调试控制台中,我收到此错误。
即使你看看我下面的前端代码,现在也没什么特别的,它只是显示了我已经在一个对象中的数据。I/flutter (23206): #68 RenderStack.performLayout══════════════════════════════════════════════════
I/flutter (23206): Another exception was thrown: