Simple calculator to be used on round Full Android watches (not Android Wear).
Now support multi skins : just hit the top part to change skin.
Thanks to G1NT0N1C for his help.
Note that the widget don't support skins.
简单的计算器要在一轮完整的Android手表(未Android Wear)使用。
现在支持多外观:只需点击顶部改变皮肤。
由于G1NT0N1C对他的帮助。
请注意,小部件不支持的皮肤。