📜  React Native-ActivityIndicator(1)

📅  最后修改于: 2023-12-03 15:19:44.081000             🧑  作者: Mango

React Native-ActivityIndicator

The React Native-ActivityIndicator package provides a built-in activity indicator component for the React Native framework. It allows programmers to easily display a loading spinner while a task is being processed or data is being fetched.

Features
  • Fully customizable appearance and behavior of the activity indicator.
  • Automatically adjusts size and style based on the device and theme settings.
  • Overlapping support: Multiple activity indicators can be stacked or nested on top of each other.
  • Supports different colors, sizes, and shapes for the indicator.
  • Supports changing the background color and opacity for the overlay.
Installation

You can install the package using npm:

npm install react-native-activity-indicator
Usage

To use the ActivityIndicator component in your React Native app, follow these steps:

  1. Import the necessary components from the react-native-activity-indicator package:
import { ActivityIndicator } from 'react-native-activity-indicator';
  1. Add the ActivityIndicator component to your code:
<ActivityIndicator size="large" color="#0000ff" />

Here, size determines the size of the activity indicator, and color sets the color of the indicator.

  1. Customize the appearance and behavior of the activity indicator as needed. You can modify properties such as animating, hidesWhenStopped, backgroundColor, etc. Refer to the official documentation for a complete list of available options.
Example

Here is an example of using ActivityIndicator in a React Native component:

import React, { Component } from 'react';
import { View, StyleSheet } from 'react-native';
import { ActivityIndicator } from 'react-native-activity-indicator';

export default class MyComponent extends Component {
  render() {
    return (
      <View style={styles.container}>
        <ActivityIndicator size="large" animating={true} color="#ff0000" />
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
});
Conclusion

The React Native-ActivityIndicator package provides a convenient way to display loading spinners in your React Native applications. It offers various customization options to suit different design requirements. Visit the official documentation for detailed information on using and customizing the ActivityIndicator component.