详细解读react-navigation的导航使用

import {StackNavigator,TabNavigator,TabBarBottom} from 'react-navigation'; 
import HomeScreen from './pages/HomePage'; 
import MineScreen from './pages/MinePage';

const Tab = TabNavigator( 
 { 
  Home:{ 
   screen:HomeScreen, 
   navigationOptions:({navigation}) => ({ 
    tabBarLabel:'首页', 
    tabBarIcon:({focused,tintColor}) => ( 
     <TabBarItem 
      tintColor={tintColor} 
      focused={focused} 
      normalImage={require(&#39;./imgs/nav_fav@2x.png&#39;)} 
      selectedImage={require(&#39;./imgs/nav_fav_actived@3x.png&#39;)} 
     /> 
    ) 
   }), 
  }, 
 
  Mine:{ 
     screen:MineScreen, 
     navigationOptions:({navigation}) => ({ 
     tabBarLabel:&#39;我&#39;, 
     tabBarIcon:({focused,tintColor}) => ( 
      <TabBarItem 
       tintColor={tintColor} 
       focused={focused} 
       normalImage={require(&#39;./imgs/tab_me_nor@3x.png&#39;)} 
       selectedImage={require(&#39;./imgs/tab_me_selected@2x.png&#39;)} 
      /> 
     ) 
    }), 
   }, 
  }, 
 
  { 
   tabBarComponent:TabBarBottom, 
   tabBarPosition:&#39;bottom&#39;, 
   swipeEnabled:false, 
   animationEnabled:false, 
   lazy:true, 
   tabBarOptions:{ 
    activeTintColor:&#39;#06c1ae&#39;, 
    inactiveTintColor:&#39;#979797&#39;, 
    style:{backgroundColor:&#39;#ffffff&#39;,}, 
    labelStyle: { 
       fontSize: 20, // 文字大小 
     }, 
   } 
    
  } 
 
 );

import React,{Component} from 'react'; 
import {Image} from 'react-native'; 
 
export default class TabBarItem extends Component { 
 
  render() { 
    return( 
      <Image source={ this.props.focused ? this.props.selectedImage : this.props.normalImage } 
        style={ { tintColor:this.props.tintColor,width:25,height:25 } } 
      /> 
    ) 
  } 
   
}

const Navigator = StackNavigator( 
  
 { 
  Tab:{screen:Tab}, 
  Product:{screen:ProductScreen} 
 }, 
 
 { 
  navigationOptions:{ 
   headerBackTitle:null, 
   headerTintColor:'#333333', 
   showIcon:true, 
   swipeEnabled:false, 
   animationEnabled:false, 
  }, 
 
  mode:'card', 
 });

export default class Demo extends Component { 
 
 render() { 
    return ( 
     <Navigator /> 
    ); 
 } 
}

this.props.navigation.navigate('Mine');

// 返回上一页 
this.props.navigation.goBack();

this.props.navigation.navigate('Mine',{info:'传值过去'});

{this.props.navigation.state.params.info}

import {StackNavigator,TabNavigator,DrawerNavigator} from 'react-navigation'; 
import HomeScreen from './pages/HomePage'; 
import MineScreen from './pages/MinePage'; 
 
export default class Demo extends Component { 
 
 render() { 
    return ( 
     <Navigator /> 
    ); 
 } 
} 
 
const Navigator = DrawerNavigator({ 
 
  Home:{screen:HomeScreen}, 
  Mine:{screen:MineScreen}, 
}); 
 
const styles = StyleSheet.create({ 
 
  container: { 
    flex: 1, 
  }, 
}); 
 
AppRegistry.registerComponent('Demo', () => Demo);

export default class HomePage extends Component { 
 
  static navigationOptions = { 
    drawerLabel: '首页', 
    drawerIcon:({tintColor}) => ( 
      <Image 
        source={require(&#39;./../imgs/ic_happy.png&#39;)} 
        style={[styles.icon, {tintColor: tintColor}]}/> 
    ), 
  }; 
 
  render() { 
    return( 
      <View style={{flex:1}}> 
        <Text onPress={this._skip.bind(this)}>点击跳转</Text> 
      </View> 
    ); 
  } 
 
  _skip() { 
    this.props.navigation.navigate("Mine"); 
  } 
} 
 
 
export default class MinePage extends Component { 
 
  static navigationOptions = { 
    drawerLabel:&#39;我&#39;, 
     drawerIcon: ({ tintColor }) => ( 
      <Image 
        source={require(&#39;./../imgs/ic_h.png&#39;)} 
        style={[styles.icon, {tintColor: tintColor}]} 
      /> 
    ), 
  }; 
 
  render() { 
    return( 
      <View style={{flex:1}}> 
        <Text onPress={this._skip.bind(this)}>返回上一界面</Text> 
      </View> 
    ); 
  } 
 
  /** 
   * 跳转 
   */ 
  _skip() { 
    this.props.navigation.goBack(); 
  } 
}

{ 
 drawerWidth：200， 
 抽屉位置：“对” 
 contentComponent：props => <ScrollView> <DrawerItems {... props} /> </ ScrollView> 
}

import {DrawerItems} from 'react-navigation'; 
 
const CustomDrawerContentComponent = (props) => ( 
 <View style = {style.container}> 
  <DrawerItems {... props} /> 
 </View>  
);

title: { 
  bottom: 0, 
  left: TITLE_OFFSET, 
  right: TITLE_OFFSET, 
  top: 0, 
  position: 'absolute', 
  alignItems: 'center', 
 }

{Platform.OS === 'ios' && 
   title && 
   <Text 
    onLayout={this._onTextLayout} 
    style={[styles.title, { color: tintColor }]} 
    numberOfLines={1} 
   > 
    {backButtonTitle} 
   </Text>}

componentDidMount () { 
  /** 
   * 将单击回调函数作为参数传递 
   */ 
  this.props.navigation.setParams({ 
      switch: () => this.switchView() 
  }); 
}

/** 
 * 切换视图 
 */ 
switchView() { 
  alert('切换') 
}

static navigationOptions = ({navigation,screenProps}) => ({ 
  headerTitle: '企业服务', 
  headerTitleStyle: CommonStyles.headerTitleStyle, 
  headerRight: ( 
    <NavigatorItem icon={ Images.ic_navigator } onPress={ ()=> navigation.state.params.switch() }/> 
  ), 
  headerStyle: CommonStyles.headerStyle 
});

componentWillMount(){ 
  BackHandler.addEventListener('hardwareBackPress', this._onBackAndroid ); 
} 
 
 
componentUnWillMount(){ 
  BackHandler.addEventListener('hardwareBackPress', this._onBackAndroid); 
} 
 
_onBackAndroid=()=>{ 
  let now = new Date().getTime(); 
  if(now - lastBackPressed < 2500) { 
    return false; 
  } 
  lastBackPressed = now; 
  ToastAndroid.show(&#39;再点击一次退出应用&#39;,ToastAndroid.SHORT); 
  return true; 
}

/** 
 * 处理安卓返回键 
 */ 
const defaultStateAction = AppNavigator.router.getStateForAction; 
AppNavigator.router.getStateForAction = (action,state) => { 
  if(state && action.type === NavigationActions.BACK && state.routes.length === 1) { 
    if (lastBackPressed + 2000 < Date.now()) { 
      ToastAndroid.show(Constant.hint_exit,ToastAndroid.SHORT); 
      lastBackPressed = Date.now(); 
      const routes = [...state.routes]; 
      return { 
        ...state, 
        ...state.routes, 
        index: routes.length - 1, 
      }; 
    } 
  } 
  return defaultStateAction(action,state); 
};

import CardStackStyleInterpolator from 'react-navigation/src/views/CardStackStyleInterpolator';

transitionConfig:()=>({ 
  screenInterpolator: CardStackStyleInterpolator.forHorizontal, 
})

export default function<S: *>(navigation: NavigationProp<S, NavigationAction>) { 
 // 添加点击判断 
 let debounce = true; 
 return { 
   ...navigation, 
   goBack: (key?: ?string): boolean => 
     navigation.dispatch( 
       NavigationActions.back({ 
         key: key === undefined ? navigation.state.key : key, 
       }), 
     ), 
   navigate: (routeName: string, 
         params?: NavigationParams, 
         action?: NavigationAction,): boolean => { 
     if (debounce) { 
       debounce = false; 
       navigation.dispatch( 
         NavigationActions.navigate({ 
           routeName, 
           params, 
           action, 
         }), 
       ); 
       setTimeout( 
         () => { 
           debounce = true; 
         }, 
       500, 
       ); 
       return true; 
     } 
     return false; 
   }, 
  /** 
   * For updating current route params. For example the nav bar title and 
   * buttons are based on the route params. 
   * This means `setParams` can be used to update nav bar for example. 
   */ 
  setParams: (params: NavigationParams): boolean => 
   navigation.dispatch( 
    NavigationActions.setParams({ 
     params, 
     key: navigation.state.key, 
    }), 
   ), 
 }; 
}