RN封装的loadding弹出层组件

萧寂2024-04-11 17:04
js 复制代码
import React, { useState } from 'react';
import { View, Text, Modal, ActivityIndicator, StyleSheet, Button } from 'react-native';

const LoadingModal = () => {
  const [visible, setVisible] = useState(false);

  // 函数用于显示或隐藏模态框
  const toggleModal = () => {
    setVisible(!visible);
  };

  return (
    <View style={styles.container}>
      <Button title="Show Loading Modal" onPress={toggleModal} />

      <Modal
        animationType="slide"
        transparent={true}
        visible={visible}
        onRequestClose={toggleModal}
      >
        <View style={styles.modalContainer}>
          {/* modalContent外层框样式 */}
          <View style={styles.modalContent}>
            {/* color:转圈的小圆圈的颜色 */}
            <ActivityIndicator size="large" color="#FFFFFF" />
          </View>
        </View>
      </Modal>
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
  modalContainer: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
    backgroundColor: 'rgba(0, 0, 0, 0.5)',
  },
  modalContent: {
    backgroundColor: 'black',
    padding: 40,
    borderRadius: 10,
    alignItems: 'center',
  },
});

export default LoadingModal;
效果图