Navigator

属性

实例

index.io.js

'use strict';

var React = require('react-native');
var UIExplorerList = require('./UIExplorerList.ios');
var NavigatorExample = require('./Navigator/NavigatorExample');
var {
  AppRegistry,NavigatorIOS,StyleSheet,} = React;

var UIExplorerApp = React.createClass({

  getInitialState: function() {
    return {
      openExternalExample: (null: ?React.Component),};
  },render: function() {
    return (
    <NavigatorExample/> ); } }); var styles = StyleSheet.create({ container: { flex: 1,},itemWrapper: { backgroundColor: '#eaeaea',}); AppRegistry.registerComponent('hellowrold',() => UIExplorerApp); 

Navigator/NavigatorExample.js

/**
 * The examples provided by Facebook are for non-commercial testing and
 * evaluation purposes only.
 *
 * Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS",WITHOUT WARRANTY OF ANY KIND,EXPRESS
 * OR IMPLIED,INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
 * FACEBOOK BE LIABLE FOR ANY CLAIM,DAMAGES OR OTHER LIABILITY,WHETHER IN
 * AN ACTION OF CONTRACT,TORT OR OTHERWISE,ARISING FROM,OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
'use strict';

var React = require('react-native');
var {
  Navigator,PixelRatio,ScrollView,Text,TouchableHighlight,} = React;
var BreadcrumbNavSample = require('./BreadcrumbNavSample');
var NavigationBarSample = require('./NavigationBarSample');
var JumpingNavSample = require('./JumpingNavSample');

class NavButton extends React.Component {
  render() {
    return (
      <TouchableHighlight
        style={styles.button}
        underlayColor="#B5B5B5"
        onPress={this.props.onPress}>
        <Text style={styles.buttonText}>{this.props.text}</Text>
      </TouchableHighlight>
    );
  }
}

class NavMenu extends React.Component {
  render() {
    return (
      <ScrollView style={styles.scene}>
        <Text style={styles.messageText}>{this.props.message}</Text>
        <NavButton
          onPress={() => {
            this.props.navigator.push({
              message: 'Swipe right to dismiss',sceneConfig: Navigator.SceneConfigs.FloatFromRight,});
          }}
          text="Float in from right"
        />
        <NavButton
          onPress={() => {
            this.props.navigator.push({
              message: 'Swipe down to dismiss',sceneConfig: Navigator.SceneConfigs.FloatFromBottom,});
          }}
          text="Float in from bottom"
        />
        <NavButton
          onPress={() => {
            this.props.navigator.pop();
          }}
          text="Pop"
        />
        <NavButton
          onPress={() => {
            this.props.navigator.popToTop();
          }}
          text="Pop to top"
        />
        <NavButton
          onPress={() => {
            this.props.navigator.push({ id: 'navbar' });
          }}
          text="Navbar Example"
        />
        <NavButton
          onPress={() => {
            this.props.navigator.push({ id: 'jumping' });
          }}
          text="Jumping Example"
        />
        <NavButton
          onPress={() => {
            this.props.navigator.push({ id: 'breadcrumbs' });
          }}
          text="Breadcrumbs Example"
        />
        <NavButton
          onPress={() => {
            this.props.onExampleExit();
          }}
          text="Exit <Navigator> Example"
        />
      </ScrollView>
    );
  }
}

var TabBarExample = React.createClass({

  statics: {
    title: '<Navigator>',description: 'JS-implemented navigation',renderScene: function(route,nav) {
    switch (route.id) {
      case 'navbar':
        return <NavigationBarSample navigator={nav} />;
      case 'breadcrumbs':
        return <BreadcrumbNavSample navigator={nav} />;
      case 'jumping':
        return <JumpingNavSample navigator={nav} />;
      default:
        return (
          <NavMenu
            message={route.message}
            navigator={nav}
            onExampleExit={this.props.onExampleExit}
          />
        );
    }
  },render: function() {
    return (
      <Navigator
        ref={this._setNavigatorRef}
        style={styles.container}
        initialRoute={{ message: "First Scene",}}
        renderScene={this.renderScene}
        configureScene={(route) => {
          if (route.sceneConfig) {
            return route.sceneConfig;
          }
          return Navigator.SceneConfigs.FloatFromBottom;
        }}
      />
    );
  },componentWillUnmount: function() {
    this._listeners && this._listeners.forEach(listener => listener.remove());
  },_setNavigatorRef: function(navigator) {
    if (navigator !== this._navigator) {
      this._navigator = navigator;

      if (navigator) {
        var callback = (event) => {
          console.log(
            `TabBarExample: event ${event.type}`,{
              route: JSON.stringify(event.data.route),target: event.target,type: event.type,}
          );
        };
        // Observe focus change events from the owner.
        this._listeners = [
          navigator.navigationContext.addListener('willfocus',callback),navigator.navigationContext.addListener('didfocus',];
      }
    }
  },});

var styles = StyleSheet.create({
  messageText: {
    fontSize: 17,fontWeight: '500',padding: 15,marginTop: 50,marginLeft: 15,container: {
    flex: 1,button: {
    backgroundColor: 'white',borderBottomWidth: 1 / PixelRatio.get(),borderBottomColor: '#CDCDCD',buttonText: {
    fontSize: 17,scene: {
    flex: 1,paddingTop: 20,backgroundColor: '#EAEAEA',}
});

TabBarExample.external = true;

module.exports = TabBarExample;

Navigator/NavigationBarSample.js

/**
 * The examples provided by Facebook are for non-commercial testing and
 * evaluation purposes only.
 *
 * Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS",OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
'use strict';


var React = require('react-native');
var {
  PixelRatio,Navigator,TouchableOpacity,View,} = React;

var cssVar = require('cssVar');

class NavButton extends React.Component {
  render() {
    return (
      <TouchableHighlight
        style={styles.button}
        underlayColor="#B5B5B5"
        onPress={this.props.onPress}>
        <Text style={styles.buttonText}>{this.props.text}</Text>
      </TouchableHighlight>
    );
  }
}

var NavigationBarRouteMapper = {

  LeftButton: function(route,navigator,index,navState) {
    if (index === 0) {
      return null;
    }

    var prevIoUsRoute = navState.routeStack[index - 1];
    return (
      <TouchableOpacity
        onPress={() => navigator.pop()}
        style={styles.navBarLeftButton}>
        <Text style={[styles.navBarText,styles.navBarButtonText]}>
          {prevIoUsRoute.title}
        </Text>
      </TouchableOpacity>
    );
  },RightButton: function(route,navState) {
    return (
      <TouchableOpacity
        onPress={() => navigator.push(newRandomRoute())}
        style={styles.navBarRightButton}>
        <Text style={[styles.navBarText,styles.navBarButtonText]}>
          Next
        </Text>
      </TouchableOpacity>
    );
  },Title: function(route,navState) {
    return (
      <Text style={[styles.navBarText,styles.navBarTitleText]}>
        {route.title} [{index}]
      </Text>
    );
  },};

function newRandomRoute() {
  return {
    title: '#' + Math.ceil(Math.random() * 1000),};
}

var NavigationBarSample = React.createClass({

  componentWillMount: function() {
    var navigator = this.props.navigator;

    var callback = (event) => {
      console.log(
        `NavigationBarSample : event ${event.type}`,{
          route: JSON.stringify(event.data.route),}
      );
    };

    // Observe focus change events from this component.
    this._listeners = [
      navigator.navigationContext.addListener('willfocus',];
  },render: function() {
    return (
      <Navigator
        debugOverlay={false}
        style={styles.appContainer}
        initialRoute={newRandomRoute()}
        renderScene={(route,navigator) => (
          <ScrollView style={styles.scene}>
            <Text style={styles.messageText}>{route.content}</Text>
            <NavButton
              onPress={() => {
                navigator.immediatelyResetRouteStack([
                  newRandomRoute(),newRandomRoute(),]);
              }}
              text="Reset w/ 3 scenes"
            />
            <NavButton
              onPress={() => {
                this.props.navigator.pop();
              }}
              text="Exit NavigationBar Example"
            />
          </ScrollView>
        )}
        navigationBar={
          <Navigator.NavigationBar
            routeMapper={NavigationBarRouteMapper}
            style={styles.navBar}
          />
        }
      />
    );
  },navBar: {
    backgroundColor: 'white',navBarText: {
    fontSize: 16,marginVertical: 10,navBarTitleText: {
    color: cssVar('fbui-bluegray-60'),marginVertical: 9,navBarLeftButton: {
    paddingLeft: 10,navBarRightButton: {
    paddingRight: 10,navBarButtonText: {
    color: cssVar('fbui-accent-blue'),});

module.exports = NavigationBarSample;

Navigator/BreadcrumbNavSample.js

/**
 * The examples provided by Facebook are for non-commercial testing and
 * evaluation purposes only.
 *
 * Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS",OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
'use strict';

var React = require('react-native');
var {
  PixelRatio,} = React;

var _getRandomRoute = function() {
  return {
    title: '#' + Math.ceil(Math.random() * 1000),};
};

class NavButton extends React.Component {
  render() {
    return (
      <TouchableHighlight
        style={styles.button}
        underlayColor="#B5B5B5"
        onPress={this.props.onPress}>
        <Text style={styles.buttonText}>{this.props.text}</Text>
      </TouchableHighlight>
    );
  }
}

var BreadcrumbNavSample = React.createClass({

  componentWillMount: function() {
    this._navBarRouteMapper = {
      rightContentForRoute: function(route,navigator) {
        return null;
      },titleContentForRoute: function(route,navigator) {
        return (
          <TouchableOpacity
            onPress={() => navigator.push(_getRandomRoute())}>
            <Text style={styles.titleText}>{route.title}</Text>
          </TouchableOpacity>
        );
      },iconForRoute: function(route,navigator) {
        return (
          <TouchableOpacity
            onPress={() => { navigator.popToRoute(route); }}
            style={styles.crumbIconPlaceholder}
          />
        );
      },separatorForRoute: function(route,navigator) {
        return (
          <TouchableOpacity
            onPress={navigator.pop}
            style={styles.crumbSeparatorPlaceholder}
          />
        );
      }
    };
  },_renderScene: function(route,navigator) {
    return (
      <ScrollView style={styles.scene}>
        <NavButton
          onPress={() => { navigator.push(_getRandomRoute()) }}
          text="Push"
        />
        <NavButton
          onPress={() => { navigator.immediatelyResetRouteStack([_getRandomRoute(),_getRandomRoute()]) }}
          text="Reset w/ 2 scenes"
        />
        <NavButton
          onPress={() => { navigator.popToTop() }}
          text="Pop to top"
        />
        <NavButton
          onPress={() => { navigator.replace(_getRandomRoute()) }}
          text="Replace"
        />
        <NavButton
          onPress={() => { this.props.navigator.pop(); }}
          text="Close breadcrumb example"
        />
      </ScrollView>
    );
  },render: function() {
    return (
      <Navigator
        style={styles.container}
        initialRoute={_getRandomRoute()}
        renderScene={this._renderScene}
        navigationBar={
          <Navigator.BreadcrumbNavigationBar
            routeMapper={this._navBarRouteMapper}
          />
        }
      />
    );
  },});

var styles = StyleSheet.create({
  scene: {
    paddingTop: 50,flex: 1,container: {
    overflow: 'hidden',backgroundColor: '#dddddd',titleText: {
    fontSize: 18,color: '#666666',textAlign: 'center',fontWeight: 'bold',lineHeight: 32,crumbIconPlaceholder: {
    flex: 1,backgroundColor: '#666666',crumbSeparatorPlaceholder: {
    flex: 1,backgroundColor: '#aaaaaa',});

module.exports = BreadcrumbNavSample;

Navigator/JumpingNavSample.js

/**
 * The examples provided by Facebook are for non-commercial testing and
 * evaluation purposes only.
 *
 * Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS",TabBarIOS,} = React;

var _getRandomRoute = function() {
  return {
    randNumber: Math.ceil(Math.random() * 1000),};
};

class NavButton extends React.Component {
  render() {
    return (
      <TouchableHighlight
        style={styles.button}
        underlayColor="#B5B5B5"
        onPress={this.props.onPress}>
        <Text style={styles.buttonText}>{this.props.text}</Text>
      </TouchableHighlight>
    );
  }
}

var ROUTE_STACK = [
  _getRandomRoute(),_getRandomRoute(),];
var INIT_ROUTE_INDEX = 1;

class JumpingNavBar extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      tabIndex: props.initTabIndex,};
  }
  handleWillFocus(route) {
    var tabIndex = ROUTE_STACK.indexOf(route);
    this.setState({ tabIndex,});
  }
  render() {
    return (
      <View style={styles.tabs}>
        <TabBarIOS>
          <TabBarIOS.Item
            icon={require('image!tabnav_notification')}
            selected={this.state.tabIndex === 0}
            onPress={() => {
              this.props.onTabIndex(0);
              this.setState({ tabIndex: 0,});
            }}>
            <View />
          </TabBarIOS.Item>
          <TabBarIOS.Item
            icon={require('image!tabnav_list')}
            selected={this.state.tabIndex === 1}
            onPress={() => {
              this.props.onTabIndex(1);
              this.setState({ tabIndex: 1,});
            }}>
            <View />
          </TabBarIOS.Item>
          <TabBarIOS.Item
            icon={require('image!tabnav_settings')}
            selected={this.state.tabIndex === 2}
            onPress={() => {
              this.props.onTabIndex(2);
              this.setState({ tabIndex: 2,});
            }}>
            <View />
          </TabBarIOS.Item>
        </TabBarIOS>
      </View>
    );
  }
}

var JumpingNavSample = React.createClass({
  render: function() {
    return (
      <Navigator
        debugOverlay={false}
        style={styles.appContainer}
        ref={(navigator) => {
          this._navigator = navigator;
        }}
        initialRoute={ROUTE_STACK[INIT_ROUTE_INDEX]}
        initialRouteStack={ROUTE_STACK}
        renderScene={this.renderScene}
        configureScene={() => ({
          ...Navigator.SceneConfigs.HorizontalSwipeJump,})}
        navigationBar={
          <JumpingNavBar
            ref={(navBar) => { this.navBar = navBar; }}
            initTabIndex={INIT_ROUTE_INDEX}
            routeStack={ROUTE_STACK}
            onTabIndex={(index) => {
              this._navigator.jumpTo(ROUTE_STACK[index]);
            }}
          />
        }
      />
    );
  },navigator) {
    var backBtn;
    var forwardBtn;
    if (ROUTE_STACK.indexOf(route) !== 0) {
      backBtn = (
        <NavButton
          onPress={() => {
            navigator.jumpBack();
          }}
          text="jumpBack"
        />
      );
    }
    if (ROUTE_STACK.indexOf(route) !== ROUTE_STACK.length - 1) {
      forwardBtn = (
        <NavButton
          onPress={() => {
            navigator.jumpForward();
          }}
          text="jumpForward"
        />
      );
    }
    return (
      <ScrollView style={styles.scene}>
        <Text style={styles.messageText}>#{route.randNumber}</Text>
        {backBtn}
        {forwardBtn}
        <NavButton
          onPress={() => {
            navigator.jumpTo(ROUTE_STACK[1]);
          }}
          text="jumpTo middle route"
        />
        <NavButton
          onPress={() => {
            this.props.navigator.pop();
          }}
          text="Exit Navigation Example"
        />
        <NavButton
          onPress={() => {
            this.props.navigator.push({
              message: 'Came from jumping example',});
          }}
          text="Nav Menu"
        />
      </ScrollView>
    );
  },});

var styles = StyleSheet.create({
  button: {
    backgroundColor: 'white',appContainer: {
    overflow: 'hidden',messageText: {
    fontSize: 17,tabs: {
    height: 50,}
});

module.exports = JumpingNavSample;

效果