读取安卓信息-写入

string filepath = "/storage/emulated/0/Res/Pico/sn.txt";//读取存放在PICO设备中的根目录Res文件夹下 

if (File.Exists(filepath))

{

    result = File.ReadAllText(filepath);

}

txt.text = result;//当前页面头上的SN设备码

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写入

StreamWriter sw = new StreamWriter("/storage/emulated/0/Res/Pico/" + "data.txt");

string data = input.text;

sw.Write(data);

sw.Close();