I have an iPad app I m developing where a random number is generated when a user clicks a button, and it appears on a label over the button, so the user thinks that value is on the button. The user can click the button again to get another random number if they want it.
难道我可以让用户从一个来源(即一个标签)拖到另一个标签——这样,用户不必多次点击 but子,以获得他们想要的人数,他们只能从一个菜单上拖到标签上。
感谢任何帮助。
增 编
Baruugh
您可以使用<代码>UIText Field,使用户能够自己获得价值。 为什么你们想要做一些使价值观难以实现的事情。
Edit: 如果您希望用户能够使用UIMenuController, 进入标签上显示的价值,那么就能使同一用户选择复制。
你们需要处理突发事件。 分层构造和高于其<代码>touches......方法。
首先,您将更新<代码>touchesMoved:with Event:方法上的标签。 在这种方法中,你对超标的点点感兴趣,而不是在标签上,例如<代码>[标明任何物体]的位置。
在touchesEnded:with Event:, 您将把标签的位置与纽州核对,如果标签重叠,则将贴到纽顿。 在许多方面可以做到这一点,但海事组织的最佳做法是形成一种代表性模式。 让管理超级概貌的观众控制员成为海关工匠的代表。 在touches Ended:with 活动:方法,让观察控制员处理地点检查和纽芬兰文本更新。
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