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[英]How do I get multiple pages of result from themoviedb api and store in state in React Native?
[英]how do i get react native to play multiple local files
我想播放多個視頻,我有這個設置,但視頻不會顯示我不知道我是否必須添加路徑,或者我只是從 const 添加所有錯誤我基本上知道如何播放一個視頻購買添加它源,但我想玩更多,但我不知道如何從本地文件中導入它們? 任何建議都會有所幫助,提前致謝
import React from 'react';
import { StyleSheet, Text, View, Dimensions,ImageBackground,ScrollView } from 'react-native';
import { Video } from 'expo';
import { MaterialIcons, Octicons } from '@expo/vector-icons';
const VIDEOS = [ // replace these links with links to your videos
'./spiderman.mp4',
'C:\Windows\System32\avengerproject2\spiderman.mp4',
'C:\Windows\System32\avengerproject2\spiderman.mp4'
]
export default class App extends React.Component {
state = {
currentVideo: 0,
mute: false,
shouldPlay: true,
}
handlePlayAndPause = () => {
this.setState(prevState => ({
shouldPlay: !prevState.shouldPlay
}));
}
handleVolume = () => {
this.setState(prevState => ({
mute: !prevState.mute,
}));
}
forwardButton = () => {
if (this.state.currentVideo != VIDEOS.length-1) {
this.setState({currentVideo: this.state.currentVideo + 1});
} else {
this.setState({currentVideo: 0});
}
}
backButton = () => {
if (this.state.currentVideo != 0) {
this.setState({currentVideo: this.state.currentVideo - 1});
} else {
this.setState({currentVideo: VIDEOS.length-1});
}
}
render() {
const { width } = Dimensions.get('window');
return (
<View style={styles.container}>
<ImageBackground
source={{uri:'https://wallpapercave.com/wp/aqm17QD.jpg'}}
style={{width: '100%', height: '100%'}}>
<View >
<Text style={{ textAlign: 'center', fontSize: 18,
fontWeight: 'bold' }}>Welcome spiderman</Text>
<Video source =
{{uri: VIDEOS[this.state.currentVideo]}}
shouldPlay={this.state.shouldPlay}
resizeMode="cover"
style={{ width, height: 300 }}
isMuted={this.state.mute}
/>
<View style={styles.controlBar}>
<MaterialIcons
name={this.state.mute ? "volume-mute" :
"volume-up"}
size={45}
color="white"
onPress={this.handleVolume}
/>
<MaterialIcons
name={this.state.shouldPlay ? "pause" :
"play-arrow"}
size={45}
color="white"
onPress={this.handlePlayAndPause}
/>
</View>
</View>
<View style={{flex: .25, flexDirection: 'row',
alignItems: 'center'}}>
<MaterialIcons
name={"navigate-before"}
size={150}
color="white"
onPress={this.backButton}
/>
<Text>Next Video</Text>
<MaterialIcons
name={"navigate-next"}
size={150}
color="white"
onPress={this.forwardButton}
/>
</View>
</ImageBackground>
</View>
);
}
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: '#B32E2E',
alignItems: 'center',
justifyContent: 'center',
},
controlBar: {
position: 'absolute',
bottom: 0,
left: 0,
right: 0,
height: 45,
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'center',
backgroundColor: "rgba(0, 0, 0, 0.5)",
},
});
您的問題似乎無法訪問您的視頻文件。 (也不確定您的其余代碼)
如果您想訪問應用程序中的任何類型的資產,您有兩種選擇。
1) 從服務器流式傳輸視頻。
這將允許您像處理本地 mp4 文件一樣添加視頻鏈接。 ( https://videostoragesite.com/spiderman.mp4 )
2) 將資產添加到您的捆綁包中。
您可以使用 Expo 的資產管理器執行此操作,或者將您的項目彈出到 vanilla react 本機項目並使用 Xcode 或 Android Studio 將 mp4 文件捆綁到您的應用程序中。
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