in below figure there are four tabbar view
trip,event,trip-type and event-type
now, create four dart file alltrip.dart,allevent.dart,eventcategory.dart,tripcategory.dart
below alltrip.dart
similarly create other 3 dart file
in below figure there are four tabbar view
trip,event,trip-type and event-type
now, create four dart file alltrip.dart,allevent.dart,eventcategory.dart,tripcategory.dart
below alltrip.dart
similarly create other 3 dart file