,NoSuchMethodError:The method '_debugTypesAreRight' was called on null

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,NoSuchMethodError:The method '_debugTypesAreRight' was called on null

来源：8-3 APP首页框架搭建-项目实践【搭了个框架】

simplesmall

2019-03-19

flutter-the-method-was-called-on-null,按照老师的讲解一点点敲代码出来的，IDEA没有报任何错，调试输出时界面全红，显示NoSuchMethodError:The method ‘_debugTypesAreRight’ was called on null.Receive：null. Tried calling _debugTypesAreRight(Instance of ‘TabNavigator’,如果老师看到还麻烦尽快指教，急

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CrazyCodeBoy

CrazyCodeBoy

2019-03-19

将完整代码贴出来，老师帮你看一下

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