/// <summary>
/// (not android ) only! Android资源不在目录！
/// Editor返回文件系统目录，运行时返回StreamingAssets目录
/// </summary>
/// <param name="url"></param>
/// <param name="withFileProtocol">是否带有file://前缀</param>
/// <param name="newUrl"></param>
/// <returns></returns>
public static bool TryGetInAppStreamingUrl(string url, bool withFileProtocol, out string newUrl)
{
if (withFileProtocol)
{
newUrl = PackagePathUrl + url;
}
else
{
newUrl = PackagePath + url;
}
#if UNITY_ANDROID
// Android平台下StreamingAssetsPath，在apk包里面，使用原生插件做文件检查
if (!ResAndroidPlugin.IsAssetExists(url))
{
return(false);
}
#else
if (!File.Exists(PackagePath + url))
{
return(false);
}
#endif
return(true);
}
/// <summary>
/// check file exists of streamingAssets. On Android will use plugin to do that.
/// </summary>
/// <param name="path">relative path, when file is "file:///android_asset/test.txt", the pat is "test.txt"</param>
/// <returns></returns>
public static bool IsStreamingAssetsExists(string path)
{
#if UNITY_ANDROID && !UNITY_EDITOR
return(ResAndroidPlugin.IsAssetExists(path));
#else
return(File.Exists(Path.Combine(Application.streamingAssetsPath, path)));
#endif
}
public static string LoadTextFromStreamingAssets(string path)
{
if (!IsStreamingAssetsExists(path))
{
throw new Exception("Not exist StreamingAssets path: " + path);
}
#if UNITY_ANDROID
return(ResAndroidPlugin.GetAssetString(path));
#else
return(File.ReadAllText(Path.Combine(Application.streamingAssetsPath, path)));
#endif
}
public static byte[] ReadAllBytes(string path)
{
var getResPathType = GetBundleFullPath(path, out var fullPath);
if (getResPathType == ResPathType.Invalid)
{
return(null);
}
#if UNITY_ANDROID
if (getResPathType == ResPathType.InApp)
{
return(ResAndroidPlugin.GetAssetBytes(path));
}
#endif
return(File.ReadAllBytes(fullPath));
}
public static string ReadAllText(string path)
{
string fullPath;
var getResPathType = GetBundleFullPath(path, out fullPath);
if (getResPathType == ResPathType.Invalid)
{
return(null);
}
#if UNITY_ANDROID
if (getResPathType == ResPathType.InApp)
{
return(ResAndroidPlugin.GetAssetString(path));
}
#endif
return(File.ReadAllText(fullPath));
}
