В Dialog Fragment ImageView не кликабельна

При нажатие в диалоговом окне на ImageView должна открываться галерея, но ImageView никак не реагирует

My XML code:

<?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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#FFFFE0">

    <ImageView
        android:id="@+id/img2"
        android:layout_width="104dp"
        android:layout_height="126dp"
        android:layout_weight="1"
        android:padding="8dp"
        android:scaleType="centerCrop"
        android:clickable="true"
        android:src="@drawable/ic_person_black_24dp"
        tools:ignore="MissingConstraints"
        tools:layout_editor_absoluteX="-3dp"
        tools:layout_editor_absoluteY="14dp"
        android:focusable="true" />

    <CheckBox
        android:id="@+id/checkBox"
        android:layout_width="173dp"
        android:layout_height="105dp"
        android:layout_marginTop="172dp"
        android:text="Собака"
        app:layout_constraintTop_toTopOf="parent"
        tools:ignore="MissingConstraints"
        tools:layout_editor_absoluteX="48dp" />

    <CheckBox
        android:id="@+id/checkBox2"
        android:layout_width="172dp"
        android:layout_height="104dp"
        android:layout_marginTop="172dp"
        android:text="Кошка"
        app:layout_constraintStart_toEndOf="@+id/checkBox"
        app:layout_constraintTop_toTopOf="parent" />

    <com.google.android.material.textfield.TextInputLayout
        android:layout_width="409dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="31dp"
        android:layout_marginEnd="1dp"
        android:layout_marginRight="1dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/checkBox">

        <com.google.android.material.textfield.TextInputEditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Опишите животное" />
    </com.google.android.material.textfield.TextInputLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

Code in Fragment:

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import androidx.annotation.NonNull;;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.fragment.app.DialogFragment;

import com.example.dogcats.R;

import static android.app.Activity.RESULT_OK;

public class DialogFrag extends DialogFragment {

    private ImageView img2;
    private static final int IMAGE_PICK_CODE = 1000;
    private final int CODE_MULTIPLE_IMG_GALLERY = 2;
    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
    @NonNull
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.dialog_layout, container, false);
        img2 = (ImageView) view.findViewById(R.id.img2);
        img2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Intent.ACTION_PICK);
                intent.setType("image/*");
                startActivityForResult(intent, IMAGE_PICK_CODE);
            }
        });

        return view;
    }
    @Override
    public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        int CODE_IMG_GALLERY = 1;
        if (requestCode == CODE_IMG_GALLERY && resultCode == RESULT_OK) {

            Uri imageUri = data.getData();
            if(imageUri!=null){
                img2.setImageURI(imageUri);
            }
        }
        if (requestCode == CODE_IMG_GALLERY && resultCode == RESULT_OK) {

            Uri imageUri = data.getData();
            if(imageUri!=null){
                img2.setImageURI(imageUri);
            }
        }
    }

    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        AlertDialog.Builder builder=new AlertDialog.Builder(getActivity());
        return builder

                .setTitle("Заполните анкету")

                .setView(R.layout.dialog_layout)
                .setPositiveButton("OK", null)
                .setNegativeButton("Отмена", null)
                .create();
    }
}