57 lines
1.5 KiB
C#
57 lines
1.5 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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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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} |