React Native 之 createBottomTabNavigator,createMaterialTopTabNavigator

icon第三方库
yarn add react-native-vector-icons
react-native link react-native-vector-icons 

在上次的代码中添加：

AppNavigators.js

import React from 'react'; //只要在页面中使用了基础组件 都需要导入这句话 不然会报错
import {Button,Platform} from 'react-native';
import { createStackNavigator,createAppContainer,createBottomTabNavigator,createMaterialTopTabNavigator } from 'react-navigation';
import HomePage from '../pages/HomePage';
import Page1 from '../pages/Page1';
import Page2 from '../pages/Page2';
import Page3 from '../pages/Page3';
import Page4 from '../pages/Page4';
import Page5 from '../pages/Page5';
import Ionicons from 'react-native-vector-icons/Ionicons'

const AppTopNavigator=createMaterialTopTabNavigator(
  {
  Page1:{
     screen:Page1,
     navigationOptions:{
       tabBarLabel: 'All'
     }
  },
  Page2:{
     screen:Page2,
     navigationOptions:{
       tabBarLabel: 'iOS'
     }
  },
  Page3:{
     screen:Page3,
     navigationOptions:{
       tabBarLabel: 'Android'
     }
  },
  Page4:{
     screen:Page4,
     navigationOptions:{
       tabBarLabel: 'React-Native'
     }
  },
},
  {
  tabBarOptions:{
    tabStyle:{mindWidth: 50},
    upperCaseLabel:false,//是否使标签大写 默认true
    scrollEndabled:true,//是否支持选项卡滚动 默认false
    style:{
      backgroundColor:'#678'//TabBar背景色
    },
    indicatorStyle:{
      height:2,
      backgroundColor:'white'
    },//标签指示器样式
    labelStyle:{
      fontSize:13,
      marginTop:6,
      marginBottom:6
    },// 文字的样式


  }
}
);


const AppBottomNavigator=createBottomTabNavigator(
  {
    Page1:{
       screen:Page1,
       navigationOptions:{
         tabBarLabel: '最热',
         tabBarIcon:({tintColor,focused})=>(<Ionicons
            name={'ios-home'}
            size={26}
            style={{color:tintColor}}
         />)
       }
    },
    Page2:{
       screen:Page2,
       navigationOptions:{
         tabBarLabel: '趋势',
         tabBarIcon:({tintColor,focused})=>(<Ionicons
            name={'ios-appstore'} // 全部小写
            size={26}
            style={{color:tintColor}}
         />)
       }
    },
    Page3:{
       screen:Page3,
       navigationOptions:{
         tabBarLabel: '收藏',
         tabBarIcon:({tintColor,focused})=>(<Ionicons
            name={'ios-people'}
            size={26}
            style={{color:tintColor}}
         />)
       }
    },
    Page4:{
       screen:Page4,
       navigationOptions:{
         tabBarLabel: '我的',
         tabBarIcon:({tintColor,focused})=>(<Ionicons
            name={'ios-aperture'}
            size={26}
            style={{color:tintColor}}
         />)
       }
    },
  },
  {
    tabBarOptions:{
      activeTintColor: Platform.OS === 'ios' ? '#e91e63' : '#fff',
    }
  }
);


const AppStackNavigator = createStackNavigator({
    HomePage: {
        screen: HomePage
    },
    Page1: {
        screen: Page1,
        navigationOptions: ({navigation}) => ({
            title: `${navigation.state.params.name}页面名`//动态设置navigationOptions
        })
    },
    Page2: {
        screen: Page2,
        navigationOptions: {//在这里定义每个页面的导航属性，静态配置
            title: "This is Page2.",
        }
    },
    Page3: {
        screen: Page3,
        navigationOptions: (props) => {//在这里定义每个页面的导航属性，动态配置
            const {navigation} = props;
            const {state, setParams} = navigation;
            const {params} = state;
            return {
                title: params.title ? params.title : 'This is Page3',
                headerRight: (
                    <Button
                        title={params.mode === 'edit' ? '保存' : '编辑'}
                        onPress={()=>{setParams({mode: params.mode === 'edit' ? '' : 'edit'})}
                            }
                    />
                ),
            }
        }
    },

    Bottom:{
      screen:AppBottomNavigator,
      navigationOptions:{
        title:'BottomNavigator'
      }
    },

    Top:{
      screen:AppTopNavigator,
      navigationOptions:{
        title:'TopNavigator'
      }
    }

},
 {
    defaultNavigationOptions: {
        // header: null,// 可以通过将header设为null 来禁用StackNavigator的Navigation Bar
    }
  }
);

const App = createAppContainer(AppStackNavigator)
export default App

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