Unity运行平台判断

官方文档：http://docs.unity3d.com/Manual/PlatformDependentCompilation.html

#if UNITY_ANDROID
    Debug.Log("这里是安卓设备");
#endif
 
#if UNITY_IPHONE
        Debug.Log("这里是苹果设备");
#endif
 
#if UNITY_STANDALONE_WIN
        Debug.Log("我是从Windows的电脑上运行的");
#endif

运行时判断平台的方法
API:http://docs.unity3d.com/ScriptReference/RuntimePlatform.html

    /// <summary>
    /// 获取对应平台的名字
    /// </summary>
    /// <returns></returns>
    public static string GetPlatformName()
    {
        switch (Application.platform)
        {
            case RuntimePlatform.WindowsPlayer:
            case RuntimePlatform.WindowsEditor:
                return "Windows";
            case RuntimePlatform.Android:
                return "Android";
            default:
                return null;
        }
    }