如何在android中单击对话框中的任意位置时关闭对话框

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.DialogFragment;

public class CustomDialogFragment extends DialogFragment {

    @NonNull
    @Override
    public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
        builder.setCancelable(true);
        builder.setTitle("对话框标题");
        builder.setMessage("对话框内容");

        // 设置对话框的点击事件监听器
        builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                // 处理确定按钮的点击事件
            }
        });

        return builder.create();
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.dialog_layout, container, false);

        // 设置背景层的点击事件监听器
        view.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                dismiss(); // 关闭对话框
            }
        });

        return view;
    }
}