在加载函数时隐藏/阴影react导航屏幕标题

import React from 'react';
import { View, Text } from 'react-native';
import { createStackNavigator } from 'react-navigation';

class HomeScreen extends React.Component {
  static navigationOptions = {
    header: null, // 隐藏导航栏
  };

  componentDidMount() {
    this.props.navigation.setParams({ title: '隐藏标题' }); // 设置自定义标题
  }

  render() {
    return (
      <View>
        <Text>Home Screen</Text>
      </View>
    );
  }
}

const AppNavigator = createStackNavigator({
  Home: {
    screen: HomeScreen,
  },
});

export default AppNavigator;