CamaraSource не работает должным образом во фрагменте

Question

Я создал QR-ридер в основной деятельности и работал отлично. Однако, когда я переместил его на фрагмент, он показывает только черный экран там, где должна быть камера. Я верю, что что-то касается размещения или контекста, но я не могу понять, что именно. Я только начал изучать, как программировать на Android, поэтому я надеюсь, что вопрос не слишком тупой.

Вот фрагмент кода:

package com.example.prueba1.ui.home;

import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.os.Vibrator;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import androidx.annotation.Nullable;
import androidx.annotation.NonNull;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProviders;

import com.example.prueba1.MainActivity;
import com.example.prueba1.R;
import com.google.android.gms.vision.CameraSource;
import com.google.android.gms.vision.Detector;
import com.google.android.gms.vision.barcode.Barcode;
import com.google.android.gms.vision.barcode.BarcodeDetector;

import java.io.IOException;

public class HomeFragment extends Fragment {
    SurfaceView surfaceView;
    CameraSource cameraSource;
    BarcodeDetector barcodeDetector;
    TextView textView;
    private HomeViewModel homeViewModel;

    private static final int CAMERA_PERMISSION_CAMERA = 0x000000;


    public View onCreateView(@NonNull LayoutInflater inflater,
                             ViewGroup container, Bundle savedInstanceState) {
        homeViewModel =
                ViewModelProviders.of(this).get(HomeViewModel.class);
        View root = inflater.inflate(R.layout.fragment_home, container, false);
        final TextView textView2 = root.findViewById(R.id.text_home);
        homeViewModel.getText().observe(this, new Observer<String>() {
            @Override
            public void onChanged(@Nullable String s) {
                textView2.setText(s);
            }
        });
        onResume();

        View view = inflater.inflate(R.layout.activity_main, container, false);
        surfaceView = (SurfaceView) view.findViewById(R.id.camerapreview);
        textView = (TextView) view.findViewById(R.id.textCamara);


        if (ContextCompat.checkSelfPermission(getContext()
                        ,
                Manifest
                        .permission
                        .CAMERA)
                != PackageManager
                .PERMISSION_GRANTED) {

            // Should we show an explanation?
            if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity()
                            ,
                    Manifest
                            .permission
                            .CAMERA)) {

                // Show an explanation to the user *asynchronously* -- don't block
                // this thread waiting for the user's response! After the user
                // sees the explanation, try again to request the permission.

            } else {

                // No explanation needed, we can request the permission.

                ActivityCompat.requestPermissions(getActivity()
                                ,
                        new String[]{Manifest.permission
                                .CAMERA},
                        CAMERA_PERMISSION_CAMERA);

                // CAMERA_PERMISSION_CAMERA is an
                // app-defined int constant. The callback method gets the
                // result of the request.
            }
        }




        barcodeDetector = new BarcodeDetector.Builder(getContext())
                .setBarcodeFormats(Barcode.QR_CODE).build();
        cameraSource= new CameraSource.Builder(getContext(), barcodeDetector)
                .setRequestedPreviewSize(640,480).build();


        surfaceView.getHolder().addCallback(new SurfaceHolder.Callback() {
            @Override
            public void surfaceCreated(SurfaceHolder holder) {

                if(ActivityCompat.checkSelfPermission(getActivity().getApplicationContext(), Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED){
                    return;
                }
                try {
                    cameraSource.start(holder);
                }catch(IOException e){
                    e.printStackTrace();
                }
            }

            @Override
            public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {

            }

            @Override
            public void surfaceDestroyed(SurfaceHolder holder) {
                cameraSource.stop();
            }
        });

        barcodeDetector.setProcessor(new Detector.Processor<Barcode>() {
            @Override
            public void release() {

            }

            @Override
            public void receiveDetections(Detector.Detections<Barcode> detections) {
                final SparseArray<Barcode> qrCodes = detections.getDetectedItems();

                if(qrCodes.size()!= 0){
                    textView.post(new Runnable() {
                        @Override
                        public void run() {
                            Vibrator vibrator  = (Vibrator) getActivity().getApplicationContext().getSystemService(Context.VIBRATOR_SERVICE);
                            vibrator.vibrate(1000);
                            textView.setText(qrCodes.valueAt(0).displayValue);
                        }
                    });
                }
            }
        });


        return root;
    }

}

Вот его XML

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingTop="?attr/actionBarSize">





    <com.google.android.material.bottomnavigation.BottomNavigationView
        android:id="@+id/nav_view"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="0dp"
        android:layout_marginEnd="0dp"
        android:background="?android:attr/windowBackground"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:menu="@menu/bottom_nav_menu" />

    <fragment
        android:id="@+id/nav_host_fragment"
        android:name="androidx.navigation.fragment.NavHostFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:defaultNavHost="true"
        app:layout_constraintBottom_toTopOf="@id/nav_view"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="1.0"
        app:navGraph="@navigation/mobile_navigation" />

</androidx.constraintlayout.widget.ConstraintLayout>

Спасибо заранее за ваше время.