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我试图从twitter中制作UIButton
特定tweet
的收藏夹计数的标题。我可以在功能上获得该数字,并且我已成功通过Twitter授权。这里是我在尝试设置标题:UIButton获取错误设置标题
//Set number of Favorites for Tweet
NSObject *favoritesCount = [[tweet objectForKey:@"user"]objectForKey:@"favourites_count"];
UIButton *favoritesButton = (UIButton *)[cell viewWithTag:204];
favoritesButton.titleLabel.text = favoritesCount;
当我运行此我得到的错误在favoritesButton.titleLabel.text = favoritesCount;
这里是我得到的错误:
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFNumber length]: unrecognized selector sent to instance 0x8d3a3a0'
如果您将NSObject * favouritesCount更改为NSObject *收藏夹,会发生什么情况? – GuybrushThreepwood
为什么你只用NSObject来计数? –
确定这意味着'[cell viewWithTag:204];'传递了错误的对象。你如何将这个uibutton添加到cellview?它仍然有效吗?你不想使用属性而不是视图标签? –