A high performance, beautiful and fully customizable curved bottom navigation bar for React Native. Implemented using react-native-svg and @react-navigation/bottom-tabs.
npm install react-native-curved-bottom-bar --saveor
yarn add react-native-curved-bottom-barNow we need to install react-native-svg and @react-navigation/bottom-tabs.
| Props | Params | isRequire | Description |
|---|---|---|---|
| type | 'DOWN' or 'UP' | Yes | Type of the center tab item, downward curve or upward curve |
| circlePosition | 'CENTER' or 'LEFT' or 'RIGHT' | No | Position of circle button |
| initialRouteName | String | Yes | The name of the route to render on first load of the navigator |
| tabBar | ({ routeName, selectedTab, navigate }) => JSX.Element | Yes | Function that returns a React element to display as the tab bar |
| renderCircle | ({ routeName, selectedTab, navigate }) => JSX.Element | Yes | Function that returns a React element to display as the center tab item |
| circleWidth | Number | No | Customize width of the center tab item. Minimum is 50px and Maximum is 60px |
| style | ViewStyle | No | Styling for container view |
| shadowStyle | ViewStyle | No | Styling for shadow view. |
| width | Number | No | Customize width for container view |
| height | Number | No | Customize height for container view, Minimum is 50px and Maximum is 90px |
| borderTopLeftRight | Boolean | No | Border radius top left and top right of container view |
| bgColor | String | No | Background color of container view |
| Props | Params | isRequire | Description |
|---|---|---|---|
| name | String | Yes | Name of the route to jump to |
| position | 'LEFT' or 'RIGHT' or 'CIRCLE' | Yes | Set position of tabbar icon to the left or right of the circle button. Use type "CIRCLE" only when you want the circle button is a tabview |
| component | (props) => JSX.Element | Yes | Screen params to merge into the destination route |
| Function | Params | Description |
|---|---|---|
| setVisible | Boolean | Used to hide/show the tab bar. Ex: ref.current.setVisible(false) |
import React from 'react';
import {
Alert,
Animated,
StyleSheet,
TouchableOpacity,
View,
} from 'react-native';
import { CurvedBottomBarExpo } from 'react-native-curved-bottom-bar';
import Ionicons from '@expo/vector-icons/Ionicons';
import { NavigationContainer } from '@react-navigation/native';
export default function App() {
const _renderIcon = (routeName, selectedTab) => {
let icon = '';
switch (routeName) {
case 'title1':
icon = 'ios-home-outline';
break;
case 'title2':
icon = 'settings-outline';
break;
}
return (
<Ionicons
name={icon}
size={25}
color={routeName === selectedTab ? 'black' : 'gray'}
/>
);
};
const renderTabBar = ({ routeName, selectedTab, navigate }) => {
return (
<TouchableOpacity
onPress={() => navigate(routeName)}
style={{
flex: 1,
alignItems: 'center',
justifyContent: 'center',
}}>
{_renderIcon(routeName, selectedTab)}
</TouchableOpacity>
);
};
return (
<View style={{ flex: 1 }}>
<NavigationContainer>
<CurvedBottomBarExpo.Navigator
style={styles.bottomBar}
height={55}
circleWidth={50}
bgColor="white"
initialRouteName="title1"
borderTopLeftRight
renderCircle={({ selectedTab, navigate }) => (
<Animated.View style={styles.btnCircle}>
<TouchableOpacity
style={{
flex: 1,
justifyContent: 'center',
}}
onPress={() => Alert.alert('Click Action')}>
<Ionicons name={'apps-sharp'} color="gray" size={25} />
</TouchableOpacity>
</Animated.View>
)}
tabBar={renderTabBar}>
<CurvedBottomBarExpo.Screen
name="title1"
position="LEFT"
component={() => (
<View style={{ backgroundColor: '#BFEFFF', flex: 1 }} />
)}
/>
<CurvedBottomBarExpo.Screen
name="title2"
component={() => (
<View style={{ backgroundColor: '#FFEBCD', flex: 1 }} />
)}
position="RIGHT"
/>
</CurvedBottomBarExpo.Navigator>
</NavigationContainer>
</View>
);
};
export const styles = StyleSheet.create({
container: {
flex: 1,
padding: 20,
},
button: {
marginVertical: 5,
},
bottomBar: {},
btnCircle: {
width: 60,
height: 60,
borderRadius: 35,
alignItems: 'center',
justifyContent: 'center',
backgroundColor: 'white',
padding: 10,
shadowColor: '#000',
shadowOffset: {
width: 0,
height: 0.5,
},
shadowOpacity: 0.2,
shadowRadius: 1.41,
elevation: 1,
bottom: 30,
},
imgCircle: {
width: 30,
height: 30,
tintColor: 'gray',
},
img: {
width: 30,
height: 30,
},
});
import React from 'react';
import {
Alert,
Animated,
StyleSheet,
TouchableOpacity,
View,
} from 'react-native';
import { CurvedBottomBar } from 'react-native-curved-bottom-bar';
import Ionicons from 'react-native-vector-icons/Ionicons';
import { NavigationContainer } from '@react-navigation/native';
export default function App() {
const _renderIcon = (routeName, selectedTab) => {
let icon = '';
switch (routeName) {
case 'title1':
icon = 'ios-home-outline';
break;
case 'title2':
icon = 'settings-outline';
break;
}
return (
<Ionicons
name={icon}
size={25}
color={routeName === selectedTab ? 'black' : 'gray'}
/>
);
};
const renderTabBar = ({ routeName, selectedTab, navigate }) => {
return (
<TouchableOpacity
onPress={() => navigate(routeName)}
style={{
flex: 1,
alignItems: 'center',
justifyContent: 'center',
}}>
{_renderIcon(routeName, selectedTab)}
</TouchableOpacity>
);
};
return (
<View style={{ flex: 1 }}>
<NavigationContainer>
<CurvedBottomBar.Navigator
type="UP"
style={styles.bottomBar}
height={55}
circleWidth={50}
bgColor="white"
initialRouteName="title1"
borderTopLeftRight
renderCircle={({ selectedTab, navigate }) => (
<Animated.View style={styles.btnCircleUp}>
<TouchableOpacity
style={{
flex: 1,
justifyContent: 'center',
}}
onPress={() => Alert.alert('Click Action')}>
<Ionicons name={'apps-sharp'} color="gray" size={25} />
</TouchableOpacity>
</Animated.View>
)}
tabBar={renderTabBar}>
<CurvedBottomBar.Screen
name="title1"
position="LEFT"
component={() => (
<View style={{ backgroundColor: '#BFEFFF', flex: 1 }} />
)}
/>
<CurvedBottomBar.Screen
name="title2"
component={() => (
<View style={{ backgroundColor: '#FFEBCD', flex: 1 }} />
)}
position="RIGHT"
/>
</CurvedBottomBar.Navigator>
</NavigationContainer>
</View>
);
};
export const styles = StyleSheet.create({
container: {
flex: 1,
padding: 20,
},
button: {
marginVertical: 5,
},
bottomBar: {},
btnCircleUp: {
width: 60,
height: 60,
borderRadius: 30,
alignItems: 'center',
justifyContent: 'center',
backgroundColor: '#E8E8E8',
bottom: 18,
shadowColor: '#000',
shadowOffset: {
width: 0,
height: 1,
},
shadowOpacity: 0.2,
shadowRadius: 1.41,
elevation: 1,
},
imgCircle: {
width: 30,
height: 30,
tintColor: 'gray',
},
img: {
width: 30,
height: 30,
},
});
