How to add a line at top of the bottom tab when the current tab is active in react navigation 5
问题 I want to add the line at the top of the bottom tabs, how to add this? like this issue https://github.com/react-navigation/react-navigation/issues/8957 React navigation versions: "@react-navigation/bottom-tabs": "^5.9.2", "@react-navigation/native": "^5.7.6", "@react-navigation/stack": "^5.9.3", "react": "16.13.1", "react-native": "0.63.3", 回答1: You can use a custom button like below const CustomTabButton = (props) => ( <TouchableOpacity {...props} style={ props.accessibilityState.selected ?