如何在unity中将图片保存到手机内存(android手机)

using UnityEngine;

public class SaveImage : MonoBehaviour
{
    public string imagePath; // 保存图片的路径

    public void SaveToGallery()
    {
        // 获取要保存的图片
        Texture2D texture = ...; // 加载图片或获取游戏场景截图

        // 调用Android的Java类保存图片
        AndroidJavaClass androidClass = new AndroidJavaClass("com.example.SaveImage");
        androidClass.CallStatic("SaveImageToGallery", texture.GetRawTextureData(), texture.width, texture.height, imagePath);
    }
}

package com.example;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Environment;

import java.io.File;
import java.io.FileOutputStream;

public class SaveImage {
    public static void SaveImageToGallery(byte[] imageData, int width, int height, String imagePath) {
        // 创建位图对象
        Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        bitmap.copyPixelsFromBuffer(ByteBuffer.wrap(imageData));

        // 保存图片到指定路径
        File file = new File(Environment.getExternalStorageDirectory(), imagePath);
        try {
            FileOutputStream fos = new FileOutputStream(file);
            bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
            fos.flush();
            fos.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}