- 1.实现四则运算
- 2.能够检查溢出、格式不正确等异常
详情代码见上述文件夹中的代码。
界面设计十分简单,学完Android中的Layout布局控件就可以设计了。
主要是逻辑功能实现,需要熟练掌握String类的相关API,如subString()、charAt()、contains()、indexOf()、valueOf()等常用方法即可。
控制运算结果的位数在0~12位之间。
This project forked from codingxiaxw/caculator
能实现简单四则运算的计算机app
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