iPhone sdk 中的 1 个按钮的多个操作
我想做的是,我有一个按钮可以打开照片库,以便用户可以选择照片,然后照片显示在另一个视图(另一个 .xib 文件)上。我该怎么做?现在,我有照片库操作和更改视图操作都指向按钮,并且由于这两个操作同时发生而导致崩溃。有什么暂停或我可以添加的内容吗?
What I'm trying to do is, I have a button that opens up the photo library so the user can choose the photo and then the photo is then displayed on another view (another .xib file). How can I do this? Right now, I have both the photo library action and change view action pointing towards the button and its crashing due to both actions happening at once. Is there a pause or anything that I can add?
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你应该让一个 IBAction 控制你的行为,也许这会帮助你:
You should let one IBAction control your behavior, maybe this will help you:
我想你可能想要“removeTarget”和“addTarget”
I think you might want 'removeTarget' and 'addTarget'