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  • react-native-video的使用


    /*
    * * Sample React Native App * https://github.com/facebook/react-native * * @format * @flow */ import React, {Component} from 'react'; import {TouchableOpacity, Platform, StyleSheet, Text, View, ScrollView, Image, PixelRatio} from 'react-native'; import Video, {FilterType} from 'react-native-video'; let url = 'https://vd1.bdstatic.com/mda-hexnfica0fzu4yfs/hd/mda-hexnfica0fzu4yfs.mp4?playlist=%5B%22hd%22%5D&auth_key=1558260801-0-0-732b4a74bc5054aaf63c2d56e757685f&bcevod_channel=searchbox_feed&pd=bjh&abtest=all' const filterTypes = [ FilterType.NONE, FilterType.INVERT, FilterType.MONOCHROME, FilterType.POSTERIZE, FilterType.FALSE, FilterType.MAXIMUMCOMPONENT, FilterType.MINIMUMCOMPONENT, FilterType.CHROME, FilterType.FADE, FilterType.INSTANT, FilterType.MONO, FilterType.NOIR, FilterType.PROCESS, FilterType.TONAL, FilterType.TRANSFER, FilterType.SEPIA ]; export default class VideoDemo extends Component { constructor(props) { super (props); this.state = { rate: 1, volume: 1, muted: false, resizeMode: 'contain', duration: 0.0, currentTime: 0.0, controls: false, paused: true, skin: 'custom', ignoreSilentSwitch: null, isBuffering: false, filter: FilterType.NONE, filterEnabled: true } this.onLoad = this.onLoad.bind(this); this.onProgress = this.onProgress.bind(this); this.onBuffer = this.onBuffer.bind(this); } onLoad(data) { console.log('On load fired!'); this.setState({duration: data.duration}); } onProgress(data) { this.setState({currentTime: data.currentTime}); } onBuffer({ isBuffering }: { isBuffering: boolean }) { this.setState({ isBuffering }); } getCurrentTimePercentage() { if (this.state.currentTime > 0) { return parseFloat(this.state.currentTime) / parseFloat(this.state.duration); } else { return 0; } } setFilter(step) { let index = filterTypes.indexOf(this.state.filter) + step; if (index === filterTypes.length) { index = 0; } else if (index === -1) { index = filterTypes.length - 1; } this.setState({ filter: filterTypes[index] }) } renderSkinControl(skin) { const isSelected = this.state.skin == skin; const selectControls = skin == 'native' || skin == 'embed'; return ( <TouchableOpacity onPress={() => { this.setState({ controls: selectControls, skin: skin }) }}> <Text style={[styles.controlOption, {fontWeight: isSelected ? "bold" : "normal"}]}> {skin} </Text> </TouchableOpacity> ); } renderRateControl(rate) { const isSelected = (this.state.rate == rate); return ( <TouchableOpacity onPress={() => { this.setState({rate: rate}) }}> <Text style={[styles.controlOption, {fontWeight: isSelected ? "bold" : "normal"}]}> {rate}x </Text> </TouchableOpacity> ) } renderResizeModeControl(resizeMode) { const isSelected = (this.state.resizeMode == resizeMode); return ( <TouchableOpacity onPress={() => { this.setState({resizeMode: resizeMode}) }}> <Text style={[styles.controlOption, {fontWeight: isSelected ? "bold" : "normal"}]}> {resizeMode} </Text> </TouchableOpacity> ) } renderVolumeControl(volume) { const isSelected = (this.state.volume == volume); return ( <TouchableOpacity onPress={() => { this.setState({volume: volume}) }}> <Text style={[styles.controlOption, {fontWeight: isSelected ? "bold" : "normal"}]}> {volume * 100}% </Text> </TouchableOpacity> ) } renderIgnoreSilentSwitchControl(ignoreSilentSwitch) { const isSelected = (this.state.ignoreSilentSwitch == ignoreSilentSwitch); return ( <TouchableOpacity onPress={() => { this.setState({ignoreSilentSwitch: ignoreSilentSwitch}) }}> <Text style={[styles.controlOption, {fontWeight: isSelected ? "bold" : "normal"}]}> {ignoreSilentSwitch} </Text> </TouchableOpacity> ) } renderCustomSkin() { const flexCompleted = this.getCurrentTimePercentage() * 100; const flexRemaining = (1 - this.getCurrentTimePercentage()) * 100; return ( <View style={styles.container}> <TouchableOpacity style={styles.fullScreen} onPress={() => {this.setState({paused: !this.state.paused})}}> <Video source={{uri: url}} style={styles.fullScreen} rate={this.state.rate} paused={this.state.paused} volume={this.state.volume} muted={this.state.muted} ignoreSilentSwitch={this.state.ignoreSilentSwitch} resizeMode={this.state.resizeMode} onLoad={this.onLoad} onBuffer={this.onBuffer} onProgress={this.onProgress} onEnd={() => { AlertIOS.alert('Done!') }} repeat={true} filter={this.state.filter} filterEnabled={this.state.filterEnabled} /> </TouchableOpacity> <View style={styles.controls}> <View style={styles.generalControls}> <View style={styles.skinControl}> {this.renderSkinControl('custom')} {this.renderSkinControl('native')} {this.renderSkinControl('embed')} </View> { (this.state.filterEnabled) ? <View style={styles.skinControl}> <TouchableOpacity onPress={() => { this.setFilter(-1) }}> <Text style={styles.controlOption}>Previous Filter</Text> </TouchableOpacity> <TouchableOpacity onPress={() => { this.setFilter(1) }}> <Text style={styles.controlOption}>Next Filter</Text> </TouchableOpacity> </View> : null } </View> <View style={styles.generalControls}> <View style={styles.rateControl}> {this.renderRateControl(0.5)} {this.renderRateControl(1.0)} {this.renderRateControl(2.0)} </View> <View style={styles.volumeControl}> {this.renderVolumeControl(0.5)} {this.renderVolumeControl(1)} {this.renderVolumeControl(1.5)} </View> <View style={styles.resizeModeControl}> {this.renderResizeModeControl('cover')} {this.renderResizeModeControl('contain')} {this.renderResizeModeControl('stretch')} </View> </View> <View style={styles.generalControls}> { (Platform.OS === 'ios') ? <View style={styles.ignoreSilentSwitchControl}> {this.renderIgnoreSilentSwitchControl('ignore')} {this.renderIgnoreSilentSwitchControl('obey')} </View> : null } </View> <View style={styles.trackingControls}> <View style={styles.progress}> <View style={[styles.innerProgressCompleted, {flex: flexCompleted}]} /> <View style={[styles.innerProgressRemaining, {flex: flexRemaining}]} /> </View> </View> </View> </View> ); } renderNativeSkin() { const videoStyle = this.state.skin == 'embed' ? styles.nativeVideoControls : styles.fullScreen; return ( <View style={styles.container}> <View style={styles.fullScreen}> <Video source={{uri: url}} style={videoStyle} rate={this.state.rate} paused={this.state.paused} volume={this.state.volume} muted={this.state.muted} ignoreSilentSwitch={this.state.ignoreSilentSwitch} resizeMode={this.state.resizeMode} onLoad={this.onLoad} onBuffer={this.onBuffer} onProgress={this.onProgress} onEnd={() => { AlertIOS.alert('Done!') }} repeat={true} controls={this.state.controls} filter={this.state.filter} filterEnabled={this.state.filterEnabled} /> </View> <View style={styles.controls}> <View style={styles.generalControls}> <View style={styles.skinControl}> {this.renderSkinControl('custom')} {this.renderSkinControl('native')} {this.renderSkinControl('embed')} </View> { (this.state.filterEnabled) ? <View style={styles.skinControl}> <TouchableOpacity onPress={() => { this.setFilter(-1) }}> <Text style={styles.controlOption}>Previous Filter</Text> </TouchableOpacity> <TouchableOpacity onPress={() => { this.setFilter(1) }}> <Text style={styles.controlOption}>Next Filter</Text> </TouchableOpacity> </View> : null } </View> <View style={styles.generalControls}> <View style={styles.rateControl}> {this.renderRateControl(0.5)} {this.renderRateControl(1.0)} {this.renderRateControl(2.0)} </View> <View style={styles.volumeControl}> {this.renderVolumeControl(0.5)} {this.renderVolumeControl(1)} {this.renderVolumeControl(1.5)} </View> <View style={styles.resizeModeControl}> {this.renderResizeModeControl('cover')} {this.renderResizeModeControl('contain')} {this.renderResizeModeControl('stretch')} </View> </View> <View style={styles.generalControls}> { (Platform.OS === 'ios') ? <View style={styles.ignoreSilentSwitchControl}> {this.renderIgnoreSilentSwitchControl('ignore')} {this.renderIgnoreSilentSwitchControl('obey')} </View> : null } </View> </View> </View> ); } render() { return this.state.controls ? this.renderNativeSkin() : this.renderCustomSkin(); } } const styles = StyleSheet.create({ container: { flex: 1, justifyContent: 'center', alignItems: 'center', backgroundColor: 'black', }, fullScreen: { position: 'absolute', top: 0, left: 0, bottom: 0, right: 0, }, controls: { backgroundColor: "transparent", borderRadius: 5, position: 'absolute', bottom: 44, left: 4, right: 4, }, progress: { flex: 1, flexDirection: 'row', borderRadius: 3, overflow: 'hidden', }, innerProgressCompleted: { height: 20, backgroundColor: '#cccccc', }, innerProgressRemaining: { height: 20, backgroundColor: '#2C2C2C', }, generalControls: { flex: 1, flexDirection: 'row', overflow: 'hidden', paddingBottom: 10, }, skinControl: { flex: 1, flexDirection: 'row', justifyContent: 'center', }, rateControl: { flex: 1, flexDirection: 'row', justifyContent: 'center', }, volumeControl: { flex: 1, flexDirection: 'row', justifyContent: 'center', }, resizeModeControl: { flex: 1, flexDirection: 'row', alignItems: 'center', justifyContent: 'center' }, ignoreSilentSwitchControl: { flex: 1, flexDirection: 'row', alignItems: 'center', justifyContent: 'center' }, controlOption: { alignSelf: 'center', fontSize: 11, color: "white", paddingLeft: 2, paddingRight: 2, lineHeight: 12, }, nativeVideoControls: { top: 184, height: 300 } });
    安装:npm install --save react-native-video
    link:react-native link react-native-video (成功后重启run项目)

    如果link不成功(link的时候报错,或者没配置上),可手动配置,


    使用:以上代码可以直接复制使用
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  • 原文地址:https://www.cnblogs.com/lude1994/p/10890056.html
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