第一步 ：

在 android/app/src/main/AndroidManifest.xml

添加

然后運行項目在手機應用權(quán)限哪里查看

這是添加前的

這是添加后的

第二步調(diào)用

import React, {Component} from 'react';

import {

View,

Text,

Image,

StyleSheet,

Button,

Modal,

TouchableHighlight,

TouchableOpacity,

Dimensions

} from 'react-native';

import ImagePicker from 'react-native-image-picker';

// const Dimensions = require ('Dimensions') ;

export default class Jidan extends Component {

state={

avatarSource: {},

}

// 選擇圖片或相冊

onClickChoosePicture = () => {

const options = {

title: '',

cancelButtonTitle: '取消',

takePhotoButtonTitle: '拍照',

chooseFromLibraryButtonTitle: '選擇照片',

storageOptions: {

skipBackup: true,

path: 'images',

}

};

ImagePicker.showImagePicker(options, (response) => {

console.log('Response = ', response);

if (response.didCancel) {

console.log('User cancelled image picker');

} else if (response.error) {

console.log('ImagePicker Error: ', response.error);

} else if (response.customButton) {

console.log('User tapped custom button: ', response.customButton);

} else {

const source = {uri: response.uri};

this.setState({

avatarSource: source,

});

console.warn(this.state.avatarSource.uri);

}

});

}

async requestCarmeraPermission() {

try {

const granted = await PermissionsAndroid.request(

PermissionsAndroid.PERMISSIONS.CAMERA,

{

'title': 'Camera Permission',

'message': 'the project needs access to your camera ' +

'so you can take awesome pictures.'

}

)

if (granted === PermissionsAndroid.RESULTS.GRANTED) {

this.show("你已獲取了相機權(quán)限")

} else {

this.show("獲取相機失敗")

}

} catch (err) {

this.show(err.toString())

}

}

render() {

return (

onPress={this.requestCarmeraPermission.bind(this)}>

申請相機權(quán)限

this.onClickChoosePicture()}>選擇圖片

);

}

}

const styles = StyleSheet.create({

button_view: {

margin:4,

borderRadius: 4,

backgroundColor: '#8d4dfc',

alignItems: 'center',

},

button_text: {

padding: 6,

fontSize: 16,

fontWeight: '600'

},

container: {

flex: 1,

flexDirection: 'column',

justifyContent: 'center',

alignItems: 'center',

marginBottom:60,

},

textStyle:{

backgroundColor:'#66CCFF',

paddingHorizontal:50,

paddingVertical:10,

},

uploadAvatar:{

width: 150,

height: 150,

}

});

總結(jié)

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