about.js
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import React, { Component } from 'react';
import {
AppRegistry,
StyleSheet,
Text,
View,
Image,
Dimensions,
Platform,
TouchableOpacity,
ActivityIndicator,
Alert,
StatusBar
} from 'react-native';
import xnService from './util/service'
import {getConfig} from "./index";
function isIPhoneX () {
let dimen = Dimensions.get('window');
return (
Platform.OS === 'ios' &&
!Platform.isPad &&
!Platform.isTVOS &&
(dimen.height >= 812 || dimen.width >= 812)
);
}
export default class About extends Component {
static navigationOptions = ({navigation, screenProps}) => ({
header:null
});
constructor(props) {
super(props);
let config = getConfig();
this.state = {
loading: true,
iconUrl:config.imgUrl,
name:'',
description:'',
iconId:''
};
}
componentDidMount(){
this.props.navigation.setParams({
backgroundColor:this.props.navigation.state.params.stateColor
});
let _this = this;
xnService.getDetail({code:this.props.navigation.state.params.code}).then((data)=>{
_this.setState({
loading: false
});
if (data.message) {
Alert.alert(
'提示',
data.message,
[
{text:"确定", onPress:() => {_this.props.navigation.goBack()}}
]
)
return;
}
if (data.errors.length > 0) {
Alert.alert(
'提示',
data.errors[0].message,
[
{text:"确定", onPress:() => {_this.props.navigation.goBack()}}
]
);
return;
} else {
console.log(data);
let url = '';
if (data.application.iconUrl != '') {
if (data.application.iconUrl.indexOf('.png') != -1 || data.application.iconUrl.indexOf('.jpg') != -1 || data.application.iconUrl.indexOf('.jpeg') != -1) {
url = data.application.iconUrl;
}else{
url = this.state.iconUrl+String(data.application.id)+'.png';
}
}else{
url = this.state.iconUrl+String(data.application.id)+'.png';
}
_this.setState({
name:data.application.name,
description:data.application.description?data.application.description:'',
iconId:data.application.id,
iconUrl:url
})
}
}).catch((error)=>{
this.setState({
loading: false
});
Alert.alert(
'提示',
"未获取到关于信息",
[
{text:"确定", onPress:() => {_this.props.navigation.goBack()}}
]
);
return;
})
}
componentWillUnmount(){
this.setState({
loading:false
});
}
render() {
return (
<View style={styles.container}>
<StatusBar
backgroundColor={'#fff'}
networkActivityIndicatorVisible
barStyle={"dark-content"}
/>
<View style={{height:isIPhoneX()?44:20}}></View>
<View style={{width:30,height:30,marginLeft:15}}>
<TouchableOpacity style={{flex:1,justifyContent:'center',alignItems:'center'}} onPress={()=>{this.props.navigation.goBack()}}>
<Image style={{width:9,height:16}} source={require('./img/backB.png')}/>
</TouchableOpacity>
</View>
{!this.state.loading && <View style={{flex:1,alignItems:'center',paddingTop:40,paddingLeft:15,paddingRight:15}}>
<Image source={{uri:this.state.iconUrl}} resizeMode='contain' style={{backgroundColor:'#ececf1',width:80,height:80}}/>
<Text style={{textAlign:'center',fontSize:20,marginTop:20,fontWeight:'500'}}>{this.state.name}</Text>
<Text style={{textAlign:'center',fontSize:14,marginTop:20,color:'#888',letterSpacing:2}}>{this.state.description}</Text>
</View>}
{this.state.loading && <View style={styles.loadingBg}>
<View style={styles.loadingBox}>
<ActivityIndicator size='large' color='#fff' />
<Text style={{fontSize:16,color:'#fff',marginTop:(6)}}>加载中...</Text>
</View>
</View>}
</View>
);
}
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: 'white',
},
loadingBg:{
position:'absolute',
top:88,
width:'100%',
height:'100%',
display:'flex',
justifyContent:'center',
alignItems:'center'
},
loadingBox:{
width:(100),
height:(120),
backgroundColor:'rgba(0,0,0,.5)',
borderRadius:8,
display:'flex',
alignItems:'center',
justifyContent:'center'
}
});