mirror of https://github.com/tuyoogame/YooAsset
134 lines
3.5 KiB
C#
134 lines
3.5 KiB
C#
//-------------------------------------
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// 作者：Stark
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//-------------------------------------
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using System.Collections.Generic;
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using UnityEngine;
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/// <summary>
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/// StreamingAssets目录下资源查询帮助类
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/// </summary>
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public sealed class StreamingAssetsHelper
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{
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private static readonly Dictionary<string, bool> _cacheData = new Dictionary<string, bool>(1000);
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#if UNITY_ANDROID && !UNITY_EDITOR
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private static AndroidJavaClass _unityPlayerClass;
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public static AndroidJavaClass UnityPlayerClass
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{
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get
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{
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if (_unityPlayerClass == null)
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_unityPlayerClass = new UnityEngine.AndroidJavaClass("com.unity3d.player.UnityPlayer");
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return _unityPlayerClass;
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}
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}
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private static AndroidJavaObject _currentActivity;
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public static AndroidJavaObject CurrentActivity
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{
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get
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{
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if (_currentActivity == null)
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_currentActivity = UnityPlayerClass.GetStatic<AndroidJavaObject>("currentActivity");
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return _currentActivity;
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}
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}
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/// <summary>
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/// 利用安卓原生接口查询内置文件是否存在
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/// </summary>
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public static bool FileExists(string filePath)
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{
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if (_cacheData.TryGetValue(filePath, out bool result) == false)
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{
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result = CurrentActivity.Call<bool>("CheckAssetExist", filePath);
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_cacheData.Add(filePath, result);
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}
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return result;
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}
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#else
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public static bool FileExists(string filePath)
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{
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if (_cacheData.TryGetValue(filePath, out bool result) == false)
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{
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result = System.IO.File.Exists(System.IO.Path.Combine(Application.streamingAssetsPath, filePath));
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_cacheData.Add(filePath, result);
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}
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return result;
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}
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#endif
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}
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#if UNITY_ANDROID && UNITY_EDITOR
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/// <summary>
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/// 为Github对开发者的友好，采用自动补充UnityPlayerActivity.java文件的通用姿势满足各个开发者
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/// </summary>
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internal class AndroidPost : UnityEditor.Android.IPostGenerateGradleAndroidProject
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{
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public int callbackOrder => 99;
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public void OnPostGenerateGradleAndroidProject(string path)
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{
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path = path.Replace("\\", "/");
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string untityActivityFilePath = $"{path}/src/main/java/com/unity3d/player/UnityPlayerActivity.java";
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var readContent = System.IO.File.ReadAllLines(untityActivityFilePath);
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string postContent =
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" //auto-gen-function \n" +
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" public boolean CheckAssetExist(String filePath) \n" +
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" { \n" +
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" android.content.res.AssetManager assetManager = getAssets(); \n" +
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" try \n" +
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" { \n" +
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" java.io.InputStream inputStream = assetManager.open(filePath); \n" +
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" if (null != inputStream) \n" +
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" { \n" +
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" inputStream.close(); \n" +
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" return true; \n" +
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" } \n" +
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" } \n" +
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" catch(java.io.IOException e) \n" +
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" { \n" +
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" } \n" +
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" return false; \n" +
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" } \n" +
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"}";
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if (CheckFunctionExist(readContent) == false)
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readContent[readContent.Length - 1] = postContent;
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System.IO.File.WriteAllLines(untityActivityFilePath, readContent);
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}
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private bool CheckFunctionExist(string[] contents)
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{
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for (int i = 0; i < contents.Length; i++)
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{
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if (contents[i].Contains("CheckAssetExist"))
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{
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return true;
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}
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}
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return false;
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}
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}
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#endif
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/*
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//auto-gen-function
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public boolean CheckAssetExist(String filePath)
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{
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android.content.res.AssetManager assetManager = getAssets();
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try
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{
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java.io.InputStream inputStream = assetManager.open(filePath);
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if(null != inputStream)
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{
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inputStream.close();
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return true;
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}
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}
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catch(java.io.IOException e)
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{
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//e.printStackTrace();
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}
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return false;
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}
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*/ |