未显示ViewPager inside对话框

<LinearLayout
    ...
    android:orientation="vertical">

    <!-- 其他对话框内容 -->

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/viewPager"
        ...
        />

    <!-- 其他对话框内容 -->

</LinearLayout>

// 创建对话框
AlertDialog.Builder builder = new AlertDialog.Builder(context);
LayoutInflater inflater = LayoutInflater.from(context);
View dialogView = inflater.inflate(R.layout.dialog_layout, null);
builder.setView(dialogView);

// 设置ViewPager适配器
ViewPager viewPager = dialogView.findViewById(R.id.viewPager);
viewPager.setAdapter(adapter);

// 显示对话框
AlertDialog dialog = builder.create();
dialog.show();