How To Hide TabBar on Particular Screen Using Expo/ex-navigation

[BhanuSagar1]

hello guyz..I am new to react native need some help. I am using expo/ex-navigation for a react native mobile application.In that i want to hide tabbar on a particular screen .For example when i navigate home to another screen In that another screen i dont want tabbar how can we do that...actually when i am navigationg to another screen it was navigating in same tab so that tabbar is sticky in bottom..I dont want that tabbar on navigation..Help me friends

I tried this this.props.navigation.getNavigator('master').push(Router.getRoute('postDetail', {id}));
OutPut: Navigator Does Not Exist
what is getNavigator('master') ???

could u please help me guy'z.. @sibelius @brentvatne