javascript – 如何在同一个屏幕中更改视图(React Native)？
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内容图文
我想使用react-native-scrollable-tab-view复制以下内容：
目前我的代码如下,但我不确定如何执行和合并模块以使事情变得更容易 – 有没有人对如何实现这一点有任何想法？ (我是新手,所以任何帮助表示赞赏)：
这是主要的(标签视图)：
'use strict';
var React = require('react-native');
var Dimensions = require('Dimensions');
var window = Dimensions.get('window');
var Icon = require('react-native-vector-icons/FontAwesome');
var Restaurants = require('../Helpers/Restaurants');
var More = require('../Helpers/More');
var api = require('../Api/Api');
var Profile = require('../Helpers/Profile');
var Recipes = require('../Helpers/Recipes');
var Actions = require('react-native-router-flux').Actions;
var Home = require('../Helpers/Home');
var {
StyleSheet,
Text,
View,
Image,
TabBarIOS,
Component
} = React;
class Main extends React.Component{
constructor(props) {
super(props);
this.state = {
selectedTab: 'home',
notifCount: 0,
presses: 0,
};
}
GoBack() {
this.props.navigator.pop();
}
render() {
return (
<TabBarIOS
tintColor="#49B64D"
barTintColor="rgba(255,255,255,0.3)"
selectedTab={this.state.selectedTab}>
<Icon.TabBarItem
selected={this.state.selectedTab === 'home'}
icon={require('image!homeicon')}
onPress={() => {
this.setState({
selectedTab: 'home',
});
}}>
<Home/>
</Icon.TabBarItem>
<Icon.TabBarItem
selected={this.state.selectedTab === 'restaurants'}
icon={require('image!nomicon')}
onPress={() => {
this.setState({
selectedTab: 'restaurants',
});
}}>
<Restaurants/>
</Icon.TabBarItem>
<Icon.TabBarItem
selected={this.state.selectedTab === 'recipes'}
icon={require('image!haticon')}
onPress={() => {
this.setState({
selectedTab: 'recipes',
});
}}>
<Recipes/>
</Icon.TabBarItem>
<Icon.TabBarItem
selected={this.state.selectedTab === 'profile'}
icon={require('image!accounticon')}
onPress={() => {
this.setState({
selectedTab: 'profile',
});
}}>
<Profile/>
</Icon.TabBarItem>
</TabBarIOS>
);
}
};
var styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: 'transparent'
},
bgImage: {
flex: 1,
width: window.width,
resizeMode: 'cover',
},
});
module.exports = Main;
单击配方选项卡时,这是配方视图：
'use strict';
var React = require('react-native');
var Seperator = require('./Seperator');
var api = require('../Api/Api');
var Dimensions = require('Dimensions');
var window = Dimensions.get('window');
var LinearGradient = require('react-native-linear-gradient');
var Swipeout = require('react-native-swipeout');
var List = require('./List');
var RecipeDetails = require('./RecipeDetails');
var Actions = require('react-native-router-flux').Actions;
var {
ScrollView,
Text,
View,
TouchableHighlight,
StyleSheet,
Image,
ListView,
NavigatorIOS,
} = React;
var styles = StyleSheet.create({
description: {
fontSize: 20,
textAlign: 'center',
color: '#FFFFFF'
},
container: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: 'transparent',
},
linearGradient: {
flex: 1,
paddingLeft: 15,
paddingRight: 15,
borderRadius: 5,
opacity: 0.9,
height: window.width,
},
dietText: {
color:'white',
fontFamily: 'Avenir Next',
alignSelf:'center',
},
title: {
textAlign:'left',
marginTop: (window.width/1.4),
fontSize: 20,
color: 'white',
fontFamily: 'Avenir Next',
fontWeight: '500',
},
dietbuble: {
backgroundColor:'transparent',
height:20,
width:60,
borderRadius: 10,
backgroundColor:'#49B64D',
marginRight:5,
},
nombtn: {
height: 30,
width: 30,
marginBottom: 5,
},
arrow: {
height: 15,
width: 15,
marginRight: 20,
marginTop: 5,
},
upvotenum: {
marginRight: 5,
fontSize: 20,
fontWeight: "600",
color: 'white',
fontFamily: 'Avenir Next'
},
dish_num: {
backgroundColor:'#49B64D',
height: 30,
width: 100,
marginLeft: window.width/1.36,
borderRadius: 5,
},
dishtext: {
fontFamily: "Avenir Next",
fontSize: 20,
fontWeight: "400",
textAlign: 'center',
color:"white",
},
profilebubble: {
width: 40,
height: 40,
borderRadius: 20,
margin: 2,
}
});
var list = [
{
component: <List/>
}
]
class Recipes extends React.Component{
constructor(props) {
super(props);
this.state = {
venues: new Object(),
};
}
activateHome() {
api.getAnything(this.props.paleo,this.props.vegan,this.props.vegetarian,this.props.healthy,this.props.dairyfree,this.props.nutfree,this.props.glutenfree)
.then((res) => {
console.log(res);
return res;
});
}
detailsRecipe() {
this.props.navigator.push ({
component: RecipeDetails,
title: "",
})
}
render(){
return (
<ScrollView
alwaysBounceVertical={true}
scrollEventThrottle={200}>
<Swipeout right={list}>
<View style={styles.container}>
<Image source={{uri: 'http://i.huffpost.com/gadgets/slideshows/404432/slide_404432_5031844_free.jpg'}} style={{width: window.width, height: window.width}}>
<View style={{backgroundColor: 'transparent', marginBottom: 100,}}>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent'}}>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent'}}>
<Image source={{uri: 'http://cookieandkate.com/images/2014/02/kate-600.jpg'}} style={styles.profilebubble}/>
<Image source={{uri: 'http://www.thetimes.co.uk/tto/multimedia/archive/00851/82ef9ae8-ae34-11e4-_851122b.jpg'}} style={styles.profilebubble}/>
</View>
</View>
<LinearGradient colors={['transparent', 'transparent', '#1C1C1C']} style={styles.linearGradient}>
<TouchableHighlight onPress={Actions.recipedetails} underlayColor='transparent'>
<View style={{backgroundColor:'transparent', height: window.width, marginTop:-20}}>
<Text style={styles.title}>Recipe Name | 10 Mins</Text>
</View>
</TouchableHighlight>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent', marginTop: -75}}>
<View style={styles.dietbuble}>
<Text style={styles.dietText}>Vegan</Text>
</View>
<View style={styles.dietbuble}>
<Text style={styles.dietText}>Vegie</Text>
</View>
<View style={{flex: 1, flexDirection: 'row', marginLeft: window.width/3, backgroundColor: 'transparent'}}>
<Text style={styles.upvotenum} >20</Text>
<Image style={styles.arrow} source={require('image!upvotearrow')}></Image>
<Image style={styles.nombtn} source={require('image!nombtn')}></Image>
</View>
</View>
</LinearGradient>
</View>
</Image>
</View>
</Swipeout>
<Seperator/>
<Swipeout right={list}>
<View style={styles.container}>
<Image source={{uri: 'http://www.funkinutt.com/wp-content/uploads/2013/06/Vegan-Scallops-Sophies-Kitchen.jpg'}} style={{width: window.width, height: window.width}}>
<View style={{backgroundColor: 'transparent', marginBottom: 100,}}>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent'}}>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent'}}>
<Image source={{uri: 'http://cookieandkate.com/images/2014/02/kate-600.jpg'}} style={styles.profilebubble}/>
<Image source={{uri: 'http://www.thetimes.co.uk/tto/multimedia/archive/00851/82ef9ae8-ae34-11e4-_851122b.jpg'}} style={styles.profilebubble}/>
</View>
</View>
<LinearGradient colors={['transparent', 'transparent', '#1C1C1C']} style={styles.linearGradient}>
<TouchableHighlight onPress={Actions.recipedetails} underlayColor='transparent'>
<View style={{backgroundColor:'transparent', height: window.width, marginTop:-20}}>
<Text style={styles.title}>Recipe Name | 10 Mins</Text>
</View>
</TouchableHighlight>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent', marginTop: -75}}>
<View style={styles.dietbuble}>
<Text style={styles.dietText}>Vegan</Text>
</View>
<View style={styles.dietbuble}>
<Text style={styles.dietText}>Vegie</Text>
</View>
<View style={{flex: 1, flexDirection: 'row', marginLeft: window.width/3, backgroundColor: 'transparent'}}>
<Text style={styles.upvotenum} >20</Text>
<Image style={styles.arrow} source={require('image!upvotearrow')}></Image>
<Image style={styles.nombtn} source={require('image!nombtn')}></Image>
</View>
</View>
</LinearGradient>
</View>
</Image>
</View>
</Swipeout>
<Seperator/>
<Swipeout right={list}>
<View style={styles.container}>
<Image source={{uri: 'http://m5.paperblog.com/i/37/370315/guest-blogger-vegan-richa-samosa-and-onion-bh-L-KmHfF4.jpeg'}} style={{width: window.width, height: window.width}}>
<View style={{backgroundColor: 'transparent', marginBottom: 100,}}>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent'}}>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent'}}>
<Image source={{uri: 'http://cookieandkate.com/images/2014/02/kate-600.jpg'}} style={styles.profilebubble}/>
<Image source={{uri: 'http://www.thetimes.co.uk/tto/multimedia/archive/00851/82ef9ae8-ae34-11e4-_851122b.jpg'}} style={styles.profilebubble}/>
</View>
</View>
<LinearGradient colors={['transparent', 'transparent', '#1C1C1C']} style={styles.linearGradient}>
<TouchableHighlight onPress={Actions.recipedetails} underlayColor='transparent'>
<View style={{backgroundColor:'transparent', height: window.width, marginTop:-20}}>
<Text style={styles.title}>Recipe Name | 10 Mins</Text>
</View>
</TouchableHighlight>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent', marginTop: -75}}>
<View style={styles.dietbuble}>
<Text style={styles.dietText}>Vegan</Text>
</View>
<View style={styles.dietbuble}>
<Text style={styles.dietText}>Vegie</Text>
</View>
<View style={{flex: 1, flexDirection: 'row', marginLeft: window.width/3, backgroundColor: 'transparent'}}>
<Text style={styles.upvotenum} >20</Text>
<Image style={styles.arrow} source={require('image!upvotearrow')}></Image>
<Image style={styles.nombtn} source={require('image!nombtn')}></Image>
</View>
</View>
</LinearGradient>
</View>
</Image>
</View>
</Swipeout>
<Seperator/>
<Swipeout right={list}>
<View style={styles.container}>
<Image source={{uri: 'http://www.choosingraw.com/wp-content/uploads/2014/09/IMG_8328.jpg'}} style={{width: window.width, height: window.width}}>
<View style={{backgroundColor: 'transparent', marginBottom: 100,}}>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent'}}>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent'}}>
<Image source={{uri: 'http://cookieandkate.com/images/2014/02/kate-600.jpg'}} style={styles.profilebubble}/>
<Image source={{uri: 'http://www.thetimes.co.uk/tto/multimedia/archive/00851/82ef9ae8-ae34-11e4-_851122b.jpg'}} style={styles.profilebubble}/>
</View>
</View>
<LinearGradient colors={['transparent', 'transparent', '#1C1C1C']} style={styles.linearGradient}>
<TouchableHighlight onPress={Actions.recipedetails} underlayColor='transparent'>
<View style={{backgroundColor:'transparent', height: window.width, marginTop:-20}}>
<Text style={styles.title}>Recipe Name | 10 Mins</Text>
</View>
</TouchableHighlight>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent', marginTop: -75}}>
<View style={styles.dietbuble}>
<Text style={styles.dietText}>Vegan</Text>
</View>
<View style={styles.dietbuble}>
<Text style={styles.dietText}>Vegie</Text>
</View>
<View style={{flex: 1, flexDirection: 'row', marginLeft: window.width/3, backgroundColor: 'transparent'}}>
<Text style={styles.upvotenum} >20</Text>
<Image style={styles.arrow} source={require('image!upvotearrow')}></Image>
<Image style={styles.nombtn} source={require('image!nombtn')}></Image>
</View>
</View>
</LinearGradient>
</View>
</Image>
</View>
</Swipeout>
<Seperator/>
</ScrollView>
)
}
};
module.exports = Recipes;
这是食谱细节视图：
'use strict';
var React = require('react-native');
var Dimensions = require('Dimensions');
var window = Dimensions.get('window');
var LinearGradient = require('react-native-linear-gradient');
var Tabbar = require('react-native-tabbar');
var Item = Tabbar.Item;
var {
StyleSheet,
View,
Text,
Component,
Image,
ScrollView,
TouchableHighlight,
} = React;
var styles = StyleSheet.create({
description: {
fontSize: 20,
textAlign: 'center',
color: '#FFFFFF'
},
container: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: 'transparent',
},
venue_image: {
width: window.width,
height: window.height/4,
flex: 1,
},
linearGradient: {
flex: 1,
paddingLeft: 15,
paddingRight: 15,
opacity: 0.9,
height: window.height/3.7,
},
title: {
textAlign:'left',
fontSize: 15,
color: 'white',
fontFamily: 'Avenir Next',
fontWeight: '500',
},
nombtn: {
height: 30,
width: 30,
marginBottom: 5,
},
arrow: {
height: 15,
width: 15,
marginRight: 20,
marginTop: 5,
},
upvotenum: {
marginRight: 5,
fontSize: 20,
fontWeight: "600",
color: 'white',
fontFamily: 'Avenir Next'
},
dietbuble: {
backgroundColor:'transparent',
height:20,
width:60,
borderRadius: 10,
backgroundColor:'#49B64D',
marginRight:5,
},
submenutext: {
fontFamily: 'Avenir Next',
fontSize: 15,
fontWeight: '600',
color: 'white',
alignSelf: 'center',
marginTop: 10,
},
undernum: {
fontFamily: 'Avenir Next',
fontSize: 30,
fontWeight: '400',
color: 'white',
alignSelf: 'center',
},
units: {
fontFamily: 'Avenir Next',
fontSize: 10,
color: 'white',
alignSelf: 'center',
}
});
class VenueDetails extends React.Component {
constructor(props) {
super(props);
this.state = {
selectedTab: 'ingredients',
};
}
_Directions() {
this.setState({selectedTab: 'directions'});
console.log(this.state.selectedTab);
}
_Nutrition() {
this.setState({selectedTab: 'nutrition'});
console.log(this.state.selectedTab);
}
_Ingredients() {
this.setState({selectedTab: 'ingredients'});
console.log(this.state.selectedTab);
}
makeBackground(btn){
var featurebox = {
flex: 1,
height: window.width/4,
width: window.width/3,
alignItems: 'center',
justifyContent: 'center',
}
if(btn === 0 || btn === 2){
featurebox.backgroundColor = '#49B64D';
} else if (btn === 1){
featurebox.backgroundColor = '#585858';
}
return featurebox;
}
render() {
return (
<View style={styles.container}>
<View style={styles.container}>
<Image source={{uri: 'http://i.huffpost.com/gadgets/slideshows/404432/slide_404432_5031844_free.jpg'}} style={styles.venue_image}>
<LinearGradient colors={['transparent', 'transparent', '#1C1C1C']} style={styles.linearGradient}>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent', marginTop: window.height/4.3}}>
<View style={{backgroundColor:'transparent', marginRight: window.width/4, marginLeft: 10}}>
<Text style={styles.title}>Recipe Name | 10 Mins</Text>
</View>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent'}}>
<Text style={styles.upvotenum} >20</Text>
<Image style={styles.arrow} source={require('image!upvotearrow')}></Image>
<Image style={styles.nombtn} source={require('image!nombtn')}></Image>
</View>
</View>
</LinearGradient>
</Image>
</View>
<View style={{flex: 1, flexDirection: 'row', backgroundColor: 'transparent'}}>
<TouchableHighlight
onPress={this._Ingredients.bind(this)}
style={this.makeBackground(0)}
underlayColor='transparent'>
<View>
<Text style={styles.submenutext}>Ingredients</Text>
<Text style={styles.undernum}>5</Text>
<Text style={styles.units}>Count</Text>
</View>
</TouchableHighlight>
<TouchableHighlight
onPress={this._Nutrition.bind(this)}
style={this.makeBackground(1)}
underlayColor='transparent'>
<View>
<Text style={styles.submenutext}>Nutrition</Text>
<Text style={styles.undernum}>200</Text>
<Text style={styles.units}>Sugars</Text>
</View>
</TouchableHighlight>
<TouchableHighlight
onPress={this._Directions.bind(this)}
style={this.makeBackground(2)}
underlayColor='transparent'>
<View>
<Text style={styles.submenutext}>Directions</Text>
<Text style={styles.undernum}>10</Text>
<Text style={styles.units}>Hours</Text>
</View>
</TouchableHighlight>
</View>
<ScrollView>
</ScrollView>
</View>
);
}
}
module.exports = VenueDetails;
目前,所有这些都是这样的：
解决方法:
它错过了react-native-router-flux的功能(在一个容器内切换’tabs’)我最近添加了它,请检查最新版本.
您需要使用Container元素并在其中定义您的路由.此外,您还必须定义TabBar实现以与该容器一起使用(请查看示例及其TabBarFlux)
内容总结
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