我认为,我是一小.,但我不禁要问,你能否就此提出一些看法。
I have a single view app with a view and a button. In my viewControllers button action I want to create a label on screen.
如果我贴上以下标签:UIlabel * 标签 = [UIlabel alloc] init withframe. 罚款。
然而,如果我提出我的看法,我就认为,我只想谈谈我的看法。 主计长a uilabel Property,然后尝试并贴上标签: Self.mylabel = [UILabel alloc] initWithFrame。 当我添加标签时,它就没有出现。
我知道还有其他实现这一点的方法,但我只是想到,为什么会发生这种情况,除非我是一个巨大的主人,!
是否有任何人想?
确保你增加这一意见,将其作为一种观点。 主计长的意见。
http://www.un.org/Depts/DGACM/index_french.htm
在你看来,你的标签很可能是零的。 如果你确信,你的标签至少是正确的,那么就明确检查了它是如何保留(或不保留)的。
例如,如果你已宣布“weak”,那么你就需在范围上采用标识。
在你增加标签时,在守则中规定一个空白点,以便你知道正在发生什么。
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