# 创建一个native应用，SimpleApp，然后进入项目目录
react-native init SimpleApp
cd SimpleApp


# 通过npm安装最新版本的react-navigation
npm install --save react-navigation


# 运行程序
react-native run-android

 import React from 'react';
import {
 AppRegistry,
 Text,
} from 'react-native';
import { StackNavigator } from 'react-navigation';

class HomeScreen extends React.Component {
 static navigationOptions = {
  title: 'Welcome world',
 };
 render() {
  return Hello, Navigation!;
 }
}

const SimpleApp = StackNavigator({
 Home: { screen: HomeScreen },
});

AppRegistry.registerComponent('SimpleApp', () => SimpleApp);

 class ChatScreen extends React.Component {
 static navigationOptions = {
  title: 'Chat with Lucy',
 };
 render() {
  return (
   
    Chat with Lucy
   
  );
 }
}

 class HomeScreen extends React.Component {
 static navigationOptions = {
  title: 'Welcome',
 };
 render() {
  const { navigate } = this.props.navigation;
  return (
   
    Hello, Chat App!
     navigate('Chat')}
     title="Chat with Lucy"
    />
   
  );
 }

 const SimpleApp = StackNavigator({
 Home: { screen: HomeScreen },
 Chat: { screen: ChatScreen },
});

class HomeScreen extends React.Component {
 static navigationOptions = {
  title: 'Welcome',
 };
 render() {
  const { navigate } = this.props.navigation;
  return (
   
    Hello, Chat App!
     navigate('Chat', { user: 'Lucy' })}
     title="Chat with Lucy"
    />
   
  );
 }
}

class ChatScreen extends React.Component {
 // Nav options can be defined as a function of the screen's props:
 static navigationOptions = ({ navigation }) => ({
  title: `Chat with ${navigation.state.params.user}`,
 });
 render() {
  // The screen's current route is passed in to `props.navigation.state`:
  const { params } = this.props.navigation.state;
  return (
   
    Chat with {params.user}
   
  );
 }
}

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

class Three extends React.Component {
 static navigationOptions = {
  title: 'Three Sceen',
 };
 render() {
  const { goBack } = this.props.navigation;
  return (
    goBack()}
   />
  );
 }
}
export default Three;

class ChatScreen
extends React.Component {

static navigationOptions = {

title: 'Chat with Lucy',

};

render() {

const { navigate } =
this.props.navigation;

return (



Chat with Lucy


navigate('Three')}

title="to to ThreeScreen"

/>



);

}

}

import SimpleApp
from './App';

import React
from 'react';

import {

AppRegistry,

Text,

View,

Button,

} from 'react-native';

import { StackNavigator }
from 'react-navigation';

import ThreeScreen
from './Three.js';

 

class HomeScreen
extends React.Component {

static navigationOptions = {

title: 'Welcome',

};

render() {

const { navigate } =
this.props.navigation;

return (



Hello, Chat App!


navigate('Chat')}

title="Chat with Lucy"

/>



);

}

}

 

class ChatScreen
extends React.Component {

static navigationOptions = {

title: 'Chat with Lucy',

};

render() {

const { navigate } =
this.props.navigation;

return (



Chat with Lucy


navigate('Three')}

title="to to ThreeScreen"

/>



);

}

}

 

const SimpleApp =
StackNavigator({

Home: { screen:
HomeScreen },

Chat: { screen:
ChatScreen },

Three: { screen:
ThreeScreen},

});

 

AppRegistry.registerComponent('SimpleApp', ()
=> SimpleApp);

import React,{Component}
from 'react';

import {

AppRegistry,

Text,

View,

Button,

} from 'react-native';

 

class Three
extends React.Component {

static navigationOptions = {

title: 'Three Sceen',

};

render() {

const { goBack } =
this.props.navigation;

return (


goBack()}

/>

);

}

}

export default
Three;