[iOS]UIActionSheet动态添加按钮

Posted by on July 23, 2011 Leave a comment (0) Go to comments

UIActionSheet 只提供了一个构造函数

- (id)initWithTitle:(NSString *)title delegate:(id<UIActionSheetDelegate>)delegate cancelButtonTitle:(NSString *)cancelButtonTitle destructiveButtonTitle:(NSString *)destructiveButtonTitle otherButtonTitles:(NSString *)otherButtonTitles, ...

如果需要动态的添加按钮，就必须使用另外个函数：

- (NSInteger)addButtonWithTitle:(NSString *)title;

但出现的诡异结果是新添加的内容均出现在 取消 按钮之下，非常讨厌。

解决方法直接看代码

//.....
    UIActionSheet* sheet = [[UIActionSheet alloc] initWithTitle:NSLocalizedString(@"请选择埋掉的原因", @"reason to bury")
                                                       delegate:self
                                              cancelButtonTitle:nil
                                         destructiveButtonTitle:nil
                                              otherButtonTitles:nil];
    [sheet addButtonWithTitle:@"btn1"];
    [sheet addButtonWithTitle:@"btn1"];
    [sheet addButtonWithTitle:@"btn1"];
    [sheet addButtonWithTitle:NSLocalizedString(@"取消", @"cancel button title")];
    sheet.cancelButtonIndex = sheet.numberOfButtons - 1;
//....

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