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flutterflutter-bottomnavigation

Flutter bottomNavigationBar error 'Page value is only available after content dimensions are established.'

I have a problem with my bottomNavigationBar in Flutter. When i add a bottomNavigationBar before page loaded i get this error.

 bottomNavigationBar:  _buildnavigationBar()
Solution

  • This fixed my issue.

    bottomNavigationBar: (_controller.hasClients )  ? _buildnavigationBar() : Row() ,