Java Android角色映射未保存

我正在android

tv.settext（“√"+值+“=”+结果）；

例如

tv.settext（“√3=17321“；

最终结果如下所示√3=17321但当我保存或运行我的程序时，它会显示此错误。我不知道如何发布图像，但我用逗号写错误“”

编辑

答案是只需点击另存为UTF-8按钮，它不会在您的程序中产生问题

"Save coult not be completed. Try File>Save As...if the problem persists.
    Reason :
    Some characters cannot be mapped using "Cp 1252" character encoding. 
    Either change the encoding or remove the character which are not 
    supported by the "Cp1252" character encoding".

Button(1)Text=OK    Button(2)Text=Save as UTF-8   Button(3)Text=Select First Character