Используйте реагировать-нативный сборщик изображений , вы можете получить доступ к камере родного телефона.
[EDIT]
Пример кода
import React, { Component } from 'react';
import {
StyleSheet,
Text,
View,
Image,
Button
} from 'react-native';
import ImagePicker from "react-native-image-picker";
export default class App extends Component {
state = {
pickedImage: null
}
reset = () => {
this.setState({
pickedImage: null
});
}
pickImageHandler = () => {
ImagePicker.showImagePicker({title: "Pick an Image",
maxWidth: 800, maxHeight: 600}, res => {
if (res.didCancel) {
console.log("User cancelled!");
} else if (res.error) {
console.log("Error", res.error);
} else {
this.setState({
pickedImage: { uri: res.uri }
});
}
});
}
resetHandler = () =>{
this.reset();
}
render() {
return (
<View style={styles.container}>
<Text style={styles.textStyle}>Pick Image From Camera and Gallery</Text>
<View style={styles.placeholder}>
<Image source={this.state.pickedImage} style={styles.previewImage} />
</View>
<View style={styles.button}>
<Button title="Pick Image" onPress={this.pickImageHandler} />
<Button title="Reset" onPress={this.resetHandler} />
</View>
</View>
);
}
const styles = StyleSheet.create({
container: {
alignItems:"center"
},
textStyle: {
fontWeight:"bold",
fontSize:30,
textAlign:"center",
color:"red",
marginTop:10
},
placeholder: {
borderWidth: 1,
borderColor: "black",
backgroundColor: "#eee",
width: "70%",
height: 280,
marginTop:50,
},
button: {
width: "80%",
marginTop:20,
flexDirection:"row",
justifyContent: "space-around"
},
previewImage: {
width: "100%",
height: "100%"
}
});
}
Источник: Reaction-native-Image-Picker