哦，看到了，你这里还是老的开发的写法，不是 ES6 的组件方式，确实不需要 bind，你比对下这个代码，看看有没有哪里遗漏。
"react-native-video": "^0.8.0"
如果都没问题的话，就跟着补录课程，把版本都相应升级一下，包括代码的写法，也从 ES5 升级到 ES6 再试试
/**
* Sample React Native App
* https://github.com/facebook/react-native
* @flow
*/
// ES5
var React = require('react-native')
var Icon = require('react-native-vector-icons/Ionicons')
var Video = require('react-native-video').default
var Button = require('react-native-button')
var config = require('../common/config')
var request = require('../common/request')
var util = require('../common/util')
var StyleSheet = React.StyleSheet
var Text = React.Text
var View = React.View
var TouchableOpacity = React.TouchableOpacity
var Dimensions = React.Dimensions
var ListView = React.ListView
var Image = React.Image
var Modal = React.Modal
var AlertIOS = React.AlertIOS
var TextInput = React.TextInput
var ActivityIndicatorIOS = React.ActivityIndicatorIOS
var AsyncStorage = React.AsyncStorage
var width = Dimensions.get('window').width
var cachedResults = {
nextPage: 1,
items: [],
total: 0
}
var Detail = React.createClass({
getInitialState() {
var data = this.props.data
var ds = new ListView.DataSource({
rowHasChanged: (r1, r2) => r1 !== r2
})
return {
data: data,
// comments
dataSource: ds.cloneWithRows([]),
// video loads
videoOk: true,
videoLoaded: false,
playing: false,
paused: false,
videoProgress: 0.01,
videoTotal: 0,
currentTime: 0,
// modal
content: '',
animationType: 'none',
modalVisible: false,
isSending: false,
// video player
rate: 1,
muted: false,
resizeMode: 'contain',
repeat: false
}
},
_pop() {
this.props.navigator.pop()
},
_onLoadStart() {
console.log('load start')
},
_onLoad() {
console.log('loads')
},
_onProgress(data) {
if (!this.state.videoLoaded) {
this.setState({
videoLoaded: true
})
}
var duration = data.playableDuration
var currentTime = data.currentTime
var percent = Number((currentTime / duration).toFixed(2))
var newState = {
videoTotal: duration,
currentTime: Number(data.currentTime.toFixed(2)),
videoProgress: percent
}
if (!this.state.videoLoaded) {
newState.videoLoaded = true
}
if (!this.state.playing) {
newState.playing = true
}
this.setState(newState)
},
_onEnd() {
this.setState({
videoProgress: 1,
playing: false
})
},
_onError(e) {
this.setState({
videoOk: false
})
},
_rePlay() {
this.refs.videoPlayer.seek(0)
},
_pause() {
if (!this.state.paused) {
this.setState({
paused: true
})
}
},
_resume() {
if (this.state.paused) {
this.setState({
paused: false
})
}
},
componentDidMount() {
var that = this
AsyncStorage.getItem('user')
.then((data) => {
var user
if (data) {
user = JSON.parse(data)
}
if (user && user.accessToken) {
that.setState({
user: user
}, function() {
that._fetchData()
})
}
})
},
_fetchData(page) {
var that = this
this.setState({
isLoadingTail: true
})
request.get(config.api.base + config.api.comment, {
accessToken: this.state.user.accessToken,
creation: this.state.data._id,
page: page
})
.then((data) => {
if (data && data.success) {
if (data.data.length > 0) {
var items = cachedResults.items.slice()
items = items.concat(data.data)
cachedResults.nextPage += 1
cachedResults.items = items
cachedResults.total = data.total
that.setState({
isLoadingTail: false,
dataSource: that.state.dataSource.cloneWithRows(cachedResults.items)
})
}
}
else {
that.setState({
isLoadingTail: false
})
}
})
.catch((error) => {
this.setState({
isLoadingTail: false
})
console.warn(error)
})
},
_hasMore() {
return cachedResults.items.length !== cachedResults.total
},
_fetchMoreData() {
if (!this._hasMore() || this.state.isLoadingTail) {
this.setState({
isLoadingTail: false
})
return
}
var page = cachedResults.nextPage
this._fetchData(page)
},
_renderFooter() {
if (!this._hasMore() && cachedResults.total !== 0) {
return (
<View style={styles.loadingMore}>
<Text style={styles.loadingText}>没有更多了</Text>
</View>
)
}
if (!this.state.isLoadingTail) {
return <View style={styles.loadingMore} />
}
return <ActivityIndicatorIOS style={styles.loadingMore} />
},
_renderRow(row) {
return (
<View key={row._id} style={styles.replyBox}>
<Image style={styles.replyAvatar} source={{uri: util.avatar(row.replyBy.avatar)}} />
<View style={styles.reply}>
<Text style={styles.replyNickname}>{row.replyBy.nickname}</Text>
<Text style={styles.replyContent}>{row.content}</Text>
</View>
</View>
)
},
_focus() {
this._setModalVisible(true)
},
_blur() {
},
_closeModal() {
this._setModalVisible(false)
},
_setModalVisible(isVisible) {
this.setState({
modalVisible: isVisible
})
},
_renderHeader() {
var data = this.state.data
return (
<View style={styles.listHeader}>
<View style={styles.infoBox}>
<Image style={styles.avatar} source={{uri: util.avatar(data.author.avatar)}} />
<View style={styles.descBox}>
<Text style={styles.nickname}>{data.author.nickname}</Text>
<Text style={styles.title}>{data.title}</Text>
</View>
</View>
<View style={styles.commentBox}>
<View style={styles.comment}>
<TextInput
placeholder='敢不敢评论一个...'
style={styles.content}
multiline={true}
onFocus={this._focus}
/>
</View>
</View>
<View style={styles.commentArea}>
<Text style={styles.commentTitle}>精彩评论</Text>
</View>
</View>
)
},
_submit() {
var that = this
if (!this.state.content) {
return AlertIOS.alert('留言不能为空！')
}
if (this.state.isSending) {
return AlertIOS.alert('正在评论中！')
}
this.setState({
isSending: true
}, function() {
var body = {
accessToken: this.state.user.accessToken,
comment: {
creation: this.state.data._id,
content: this.state.content
}
}
var url = config.api.base + config.api.comment
request.post(url, body)
.then(function(data) {
if (data && data.success) {
var items = cachedResults.items.slice()
var content = that.state.content
items = data.data.concat(items)
cachedResults.items = items
cachedResults.total = cachedResults.total + 1
that.setState({
content: '',
isSending: false,
dataSource: that.state.dataSource.cloneWithRows(cachedResults.items)
})
that._setModalVisible(false)
}
})
.catch((err) => {
console.log(err)
that.setState({
isSending: false
})
that._setModalVisible(false)
AlertIOS.alert('留言失败，稍后重试！')
})
})
},
render() {
var data = this.props.data
return (
<View style={styles.container}>
<View style={styles.header}>
<TouchableOpacity style={styles.backBox} onPress={this._pop}>
<Icon name='ios-arrow-back' style={styles.backIcon} />
<Text style={styles.backText}>返回</Text>
</TouchableOpacity>
<Text style={styles.headerTitle} numberOflines={1}>
视频详情页</Text>
</View>
<View style={styles.videoBox}>
<Video
ref='videoPlayer'
source={{uri: util.video(data.qiniu_video)}}
style={styles.video}
volume={5}
paused={this.state.paused}
rate={this.state.rate}
muted={this.state.muted}
resizeMode={this.state.resizeMode}
repeat={this.state.repeat}
onLoadStart={this._onLoadStart}
onLoad={this._onLoad}
onProgress={this._onProgress}
onEnd={this._onEnd}
onError={this._onError} />
{
!this.state.videoOk && <Text style={styles.failText}>视频出错了！很抱歉</Text>
}
{
!this.state.videoLoaded && <ActivityIndicatorIOS color='#ee735c' style={styles.loading} />
}
{
this.state.videoLoaded && !this.state.playing
? <Icon
onPress={this._rePlay}
name='ios-play'
size={48}
style={styles.playIcon} />
//: <Text></Text>
: null
}
{
this.state.videoLoaded && this.state.playing
? <TouchableOpacity onPress={this._pause} style={styles.pauseBtn}>
{
this.state.paused
? <Icon onPress={this._resume} size={48} name='ios-play' style={styles.resumeIcon} />
: null
}
</TouchableOpacity>
: null
}
<View style={styles.progressBox}>
<View style={[styles.progressBar, {width: width * this.state.videoProgress}]}></View>
</View>
</View>
<ListView
dataSource={this.state.dataSource}
renderRow={this._renderRow}
renderHeader={this._renderHeader}
renderFooter={this._renderFooter}
onEndReached={this._fetchMoreData}
onEndReachedThreshold={20}
enableEmptySections={true}
showsVerticalScrollIndicator={false}
automaticallyAdjustContentInsets={false}
/>
<Modal
visible={this.state.modalVisible}>
<View style={styles.modalContainer}>
<Icon
onPress={this._closeModal}
name='ios-close-outline'
style={styles.closeIcon} />
<View style={styles.commentBox}>
<View style={styles.comment}>
<TextInput
placeholder='敢不敢评论一个...'
style={styles.content}
multiline={true}
defaultValue={this.state.content}
onChangeText={(text) => {
this.setState({
content: text
})
}}
/>
</View>
</View>
<Button style={styles.submitBtn} onPress={this._submit}>评论</Button>
</View>
</Modal>
</View>
)
}
})
var styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: '#F5FCFF',
},
modalContainer: {
flex: 1,
paddingTop: 45,
backgroundColor: '#fff'
},
closeIcon: {
alignSelf: 'center',
fontSize: 30,
color: '#ee753c'
},
submitBtn: {
width: width - 20,
padding: 16,
marginTop: 20,
marginBottom: 20,
borderWidth: 1,
borderColor: '#ee753c',
alignSelf: 'center',
borderRadius: 4,
fontSize: 18,
color: '#ee753c'
},
header: {
flexDirection: 'row',
justifyContent: 'center',
alignItems: 'center',
width: width,
height: 64,
paddingTop: 20,
paddingLeft: 10,
paddingRight: 10,
borderBottomWidth: 1,
borderColor: 'rgba(0,0,0,0.1)',
backgroundColor: '#fff'
},
backBox: {
position: 'absolute',
left: 12,
top: 32,
width: 50,
flexDirection: 'row',
alignItems: 'center'
},
headerTitle: {
width: width - 120,
textAlign: 'center'
},
backIcon: {
color: '#999',
fontSize: 20,
marginRight: 5
},
backText: {
color: '#999'
},
videoBox: {
width: width,
height: width * 0.56,
backgroundColor: '#000'
},
video: {
width: width,
height: width * 0.56,
backgroundColor: '#000'
},
failText: {
position: 'absolute',
left: 0,
top: 90,
width: width,
textAlign: 'center',
color: '#fff',
backgroundColor: 'transparent'
},
loading: {
position: 'absolute',
left: 0,
top: 80,
width: width,
alignSelf: 'center',
backgroundColor: 'transparent'
},
progressBox: {
width: width,
height: 2,
backgroundColor: '#ccc'
},
progressBar: {
width: 1,
height: 2,
backgroundColor: '#ff6600'
},
playIcon: {
position: 'absolute',
top: 90,
left: width / 2 - 30,
width: 60,
height: 60,
paddingTop: 8,
paddingLeft: 22,
backgroundColor: 'transparent',
borderColor: '#fff',
borderWidth: 1,
borderRadius: 30,
color: '#ed7b66'
},
pauseBtn: {
position: 'absolute',
left: 0,
top: 0,
width: width,
height: width * 0.56
},
resumeIcon: {
position: 'absolute',
top: 80,
left: width / 2 - 30,
width: 60,
height: 60,
paddingTop: 8,
paddingLeft: 22,
backgroundColor: 'transparent',
borderColor: '#fff',
borderWidth: 1,
borderRadius: 30,
color: '#ed7b66'
},
infoBox: {
width: width,
flexDirection: 'row',
justifyContent: 'center',
marginTop: 10
},
avatar: {
width: 60,
height: 60,
marginRight: 10,
marginLeft: 10,
borderRadius: 30
},
descBox: {
flex: 1
},
nickname: {
fontSize: 18
},
title: {
marginTop: 8,
fontSize: 16,
color: '#666'
},
replyBox: {
flexDirection: 'row',
justifyContent: 'flex-start',
marginTop: 10
},
replyAvatar: {
width: 40,
height: 40,
marginRight: 10,
marginLeft: 10,
borderRadius: 20
},
replyNickname: {
color: '#666'
},
replyContent: {
marginTop: 4,
color: '#666'
},
reply: {
flex: 1
},
loadingMore: {
marginVertical: 20
},
loadingText: {
color: '#777',
textAlign: 'center'
},
listHeader: {
width: width,
marginTop: 10
},
commentBox: {
marginTop: 10,
marginBottom: 10,
padding: 8,
width: width
},
content: {
paddingLeft: 2,
color: '#333',
borderWidth: 1,
borderColor: '#ddd',
borderRadius: 4,
fontSize: 14,
height: 80
},
commentArea: {
width: width,
paddingBottom: 6,
paddingLeft: 10,
paddingRight: 10,
borderBottomWidth: 1,
borderBottomColor: '#eee'
}
})
module.exports = Detail
