Ionicons use

import { Ionicons } from '@expo/vector-icons'

https://icons.expo.fyi/

<Tab.Screen
        name="Movies"
        component={Movies}
        options={{
          tabBarIcon: ({ focused, color, size }) => {
            return (
              <Ionicons
                name={focused ? 'film' : 'film-outline'}
                size={24}
                color={color}
              />
            )
          },
        }}
      />~~~~