小编Con*_*ley的帖子

所以基本上我正在学习本地反应。我使用的是react导航包，我只想在我的堆栈导航器上显示一个简单的标题，但标题已切断。堆栈导航标题

这是我的 App.js

import React from 'react';
import { View, Text } from 'react-native';
import { createStackNavigator, createAppContainer} from 'react-navigation'
import HomeScreen from './screens/HomeScreen'
import DetailsScreen from './screens/DetailsScreen'

const RootStack = createStackNavigator(
  {
    Home: HomeScreen,
    Details: DetailsScreen,
  },
  {
    initialRouteName: 'Home'
  }
);

const AppContainer = createAppContainer(RootStack)

export default class App extends React.Component {
  render(){
    return<AppContainer />
  }
}

这是我的HomeScreen.js

import React from 'react'
import {Button, View, Text } from 'react-native'

export default class HomeScreen extends React.Component {

  static …