unity获取Focus Plus的版本号

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private void Start()
{
    if (Application.platform == RuntimePlatform.Android)
    {
        AndroidJavaClass build = new AndroidJavaClass("android.os.Build");
        string serialno = build.CallStatic<string>("getString", "ro.serialno");
        Debug.Log("输出版本号 " + serialno);
    }
}

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