Touch Up Inside:按下按钮,并且在按钮内部(inside)松手
Touch Up Outside:按下按钮,并且在按钮外部(outside)松手
[依据] 来自Apple官方文档 UIControlEvents:
UIControlEventTouchUpInside:A touch-up event in the control where the finger is inside the bounds of the control.
UIControlEventTouchUpOutside:A touch-up event in the control where the finger is outside the bounds of the control.
本文详细解析了UIKit中两种关键的触控事件:TouchUpInside和TouchUpOutside。TouchUpInside发生在手指在按钮边界内抬起,而TouchUpOutside则是在手指于按钮外抬起。这两种事件对于理解iOS应用中用户交互至关重要。
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