Các module Expo SDK

import * as ImagePicker from 'expo-image-picker';

const pickProof = async () => {
  const result = await ImagePicker.launchImageLibraryAsync({
    mediaTypes: ['images'],
    quality: 0.7, // nén ảnh để upload nhanh
    allowsEditing: true,
  });
  if (!result.canceled) {
    setProofUri(result.assets[0].uri);
  }
};

import { CameraView, useCameraPermissions } from 'expo-camera';
import { useRef } from 'react';

export default function ProofCamera() {
  const cameraRef = useRef<CameraView>(null);
  const [permission, requestPermission] = useCameraPermissions();

  const takePhoto = async () => {
    const photo = await cameraRef.current?.takePictureAsync({ quality: 0.7 });
    console.log(photo?.uri);
  };

  if (!permission?.granted) {
    return <Button title="Cấp quyền camera" onPress={requestPermission} />;
  }

  return (
    <CameraView ref={cameraRef} style={{ flex: 1 }} facing="back">
      <Button title="Chụp" onPress={takePhoto} />
    </CameraView>
  );
}

import * as SecureStore from 'expo-secure-store';
await SecureStore.setItemAsync('refreshToken', token);
const token = await SecureStore.getItemAsync('refreshToken');

import * as Haptics from 'expo-haptics';
Haptics.notificationAsync(Haptics.NotificationFeedbackType.Success);