Calendar UI Library for React Native

React Native offers numerous UI libraries, but finding a reliable calendar UI library can be challenging. Common issues include poor performance, slow animations, and rendering bugs. After extensive testing, I discovered react-native-ui-datepicker, a TypeScript-based library that delivers outstanding performance and simplicity.

Although it lacks gesture support, its performance surpasses most alternatives, making it a compelling choice for many React Native projects.

Installation

1. Install the Library:

yarn add react-native-ui-datepicker

2. Install Required Dependency:

yarn add dayjs

react-native-ui-datepicker uses Day.js for date formatting. Day.js is a lightweight and fast alternative to Moment.js.

Basic Calendar Implementation

Below is a simple example of a calendar allowing single-day selection:

import React, { useState } from 'react'; 
import { View, StyleSheet } from 'react-native'; 
import DateTimePicker from 'react-native-ui-datepicker'; 
import dayjs from 'dayjs'; 
 
export default function App() { 
  const [date, setDate] = useState(dayjs()); 
 
  return ( 
    <View style={styles.container}> 
      <DateTimePicker 
        mode="single" 
        date={date} 
        onChange={(params) => setDate(params.date)} 
      /> 
    </View> 
  ); 
} 
 
const styles = StyleSheet.create({ 
  container: { 
    flex: 1, 
    backgroundColor: '#F5FCFF', 
  }, 
});

This basic example demonstrates how to allow users to select a single date.

Range Date Picker Example

To enable date range selection, configure the component in range mode:

import React, { useState } from 'react'; 
import { View, StyleSheet } from 'react-native'; 
import DateTimePicker, { DateType } from 'react-native-ui-datepicker'; 
 
export default function App() { 
  const [range, setRange] = useState<{ 
    startDate: DateType; 
    endDate: DateType; 
  }>({ startDate: undefined, endDate: undefined }); 
 
  return ( 
    <View style={styles.container}> 
      <DateTimePicker 
        mode="range" 
        startDate={range.startDate} 
        endDate={range.endDate} 
        onChange={(params) => setRange(params)} 
      /> 
    </View> 
  ); 
} 
 
const styles = StyleSheet.create({ 
  container: { 
    flex: 1, 
    backgroundColor: '#F5FCFF', 
  }, 
});

This configuration enables the user to select a start and end date for a range.

Multiple Date Picker Example

For selecting multiple dates, use the multiple mode:

import React, { useState } from 'react'; 
import { View, StyleSheet } from 'react-native'; 
import DateTimePicker, { DateType } from 'react-native-ui-datepicker'; 
 
export default function App() { 
  const [dates, setDates] = useState<DateType[] | undefined>(); 
 
  return ( 
    <View style={styles.container}> 
      <DateTimePicker 
        mode="multiple" 
        dates={dates} 
        onChange={(params) => setDates(params.dates)} 
      /> 
    </View> 
  ); 
} 
 
const styles = StyleSheet.create({ 
  container: { 
    flex: 1, 
    backgroundColor: '#F5FCFF', 
  }, 
});

This mode allows users to select multiple non-contiguous dates.

Time Picker Support

In addition to date pickers, this library also supports time pickers, providing a versatile solution for date and time selection.

Cross-Platform Consistency

One of the standout features of react-native-ui-datepicker is its consistent appearance across both iOS and Android platforms, ensuring a unified design for your mobile application.

Conclusion

react-native-ui-datepicker is a robust and simple solution for implementing calendar UIs in React Native. Its performance, ease of use, and cross-platform consistency make it a strong contender for projects requiring date pickers. While it lacks gesture support, the trade-off in performance is worth considering.

Start using react-native-ui-datepicker today to elevate your app’s calendar functionality!

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