自定义提醒对话框未在Android上垂直居中

public class CustomDialog extends Dialog {

    public CustomDialog(Context context) {
        super(context, R.style.CustomDialogStyle);
        setContentView(R.layout.dialog_custom);

        // 获取窗口管理器
        WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        Display display = windowManager.getDefaultDisplay();
        Point size = new Point();
        display.getSize(size);
        int width = size.x;
        int height = size.y;

        // 获取对话框的布局参数
        WindowManager.LayoutParams params = getWindow().getAttributes();
        params.gravity = Gravity.CENTER_VERTICAL;
        params.width = (int) (width * 0.8); // 设置宽度为屏幕宽度的80%
        params.height = WindowManager.LayoutParams.WRAP_CONTENT; // 高度自适应内容
        getWindow().setAttributes(params);
    }
}

<style name="CustomDialogStyle" parent="Theme.AppCompat.Light.Dialog">
    <item name="android:windowBackground">@drawable/dialog_background</item>
    <item name="android:windowNoTitle">true</item>
    <item name="android:windowIsFloating">true</item>
</style>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:padding="16dp">

    <!-- 添加你的对话框内容 -->

</LinearLayout>