A good low-tech trick to make sure that your click targets are large enough is to print the screens at actual size, ink the end of your finger with a stamp pad, and run through your scenarios at a realistic speed.

• 这里有一个相对原始的方法可以用来检查单击对象的尺寸是否足够大，即先把屏幕按照实际尺寸大小打印出来，在手指尖上蘸上墨水。 然后在不同情境下用真实的速度试验，单击对象。