A high performance, beautiful and fully customizable curved bottom navigation bar for React Native.
npm install react-native-curved-bottom-bar
``js`
If you love this library, give us a star, you will be a ray of sunshine in our lives :)
js
npm install react-native-curved-bottom-bar --save
`
or
`js
yarn add react-native-curved-bottom-bar
`
Now we need to install react-native-svg and @react-navigation/bottom-tabs.Demo

$3
| 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 |
| borderColor | String | No | Border color |
| borderWidth | Number | No | Border width |
| bgColor | String | No | Background color of container view |
$3
| 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 |
$3
| Function | Params | Description |
| ------------------ | ----------------------------- | ----------------------------------------------------------------------------------------- |
| setVisible | Boolean | Used to hide/show the tab bar. Ex: ref.current.setVisible(false) |$3

`js
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';const Screen1 = () => {
return ;
};
const Screen2 = () => {
return ;
};
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 (
name={icon}
size={25}
color={routeName === selectedTab ? 'black' : 'gray'}
/>
);
};
const renderTabBar = ({ routeName, selectedTab, navigate }) => {
return (
onPress={() => navigate(routeName)}
style={styles.tabbarItem}
>
{_renderIcon(routeName, selectedTab)}
);
};
return (
type="DOWN"
style={styles.bottomBar}
shadowStyle={styles.shawdow}
height={55}
circleWidth={50}
bgColor="white"
initialRouteName="title1"
borderTopLeftRight
renderCircle={({ selectedTab, navigate }) => (
style={styles.button}
onPress={() => Alert.alert('Click Action')}
>
)}
tabBar={renderTabBar}
>
name="title1"
position="LEFT"
component={() => }
/>
name="title2"
component={() => }
position="RIGHT"
/>
);
}
export const styles = StyleSheet.create({
container: {
flex: 1,
padding: 20,
},
shawdow: {
shadowColor: '#DDDDDD',
shadowOffset: {
width: 0,
height: 0,
},
shadowOpacity: 1,
shadowRadius: 5,
},
button: {
flex: 1,
justifyContent: 'center',
},
bottomBar: {},
btnCircleUp: {
width: 60,
height: 60,
borderRadius: 30,
alignItems: 'center',
justifyContent: 'center',
backgroundColor: '#E8E8E8',
bottom: 30,
shadowColor: '#000',
shadowOffset: {
width: 0,
height: 1,
},
shadowOpacity: 0.2,
shadowRadius: 1.41,
elevation: 1,
},
imgCircle: {
width: 30,
height: 30,
tintColor: 'gray',
},
tabbarItem: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
},
img: {
width: 30,
height: 30,
},
screen1: {
flex: 1,
backgroundColor: '#BFEFFF',
},
screen2: {
flex: 1,
backgroundColor: '#FFEBCD',
},
});
`$3

`js
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';const Screen1 = () => {
return ;
};
const Screen2 = () => {
return ;
};
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 (
name={icon}
size={25}
color={routeName === selectedTab ? 'black' : 'gray'}
/>
);
};
const renderTabBar = ({ routeName, selectedTab, navigate }) => {
return (
onPress={() => navigate(routeName)}
style={styles.tabbarItem}
>
{_renderIcon(routeName, selectedTab)}
);
};
return (
type="UP"
style={styles.bottomBar}
shadowStyle={styles.shawdow}
height={55}
circleWidth={50}
bgColor="white"
initialRouteName="title1"
borderTopLeftRight
renderCircle={({ selectedTab, navigate }) => (
style={styles.button}
onPress={() => Alert.alert('Click Action')}
>
)}
tabBar={renderTabBar}
>
name="title1"
position="LEFT"
component={() => }
/>
name="title2"
component={() => }
position="RIGHT"
/>
);
}
export const styles = StyleSheet.create({
container: {
flex: 1,
padding: 20,
},
shawdow: {
shadowColor: '#DDDDDD',
shadowOffset: {
width: 0,
height: 0,
},
shadowOpacity: 1,
shadowRadius: 5,
},
button: {
flex: 1,
justifyContent: 'center',
},
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',
},
tabbarItem: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
},
img: {
width: 30,
height: 30,
},
screen1: {
flex: 1,
backgroundColor: '#BFEFFF',
},
screen2: {
flex: 1,
backgroundColor: '#FFEBCD',
},
});
``