tintColor of UIActionSheet (or UIAlertView) (iOS 7+)

Question

是否可以在iOS 7的tintColor颜色中UIActionSheet有按钮？我的意思是，如果我的应用程序是品牌tintColor，例如红色，我不希望在操作表中使用蓝色按钮。UIAlertView也是如此.

Answer 1

我想

强调的是，这违反了Apple的规则，但这有效：

- (void)willPresentActionSheet:(UIActionSheet *)actionSheet
{
    [actionSheet.subviews enumerateObjectsUsingBlock:^(UIView *subview, NSUInteger idx, BOOL *stop) {
        if ([subview isKindOfClass:[UIButton class]]) {
            UIButton *button = (UIButton *)subview;
            button.titleLabel.textColor = [UIColor greenColor];
            NSString *buttonText = button.titleLabel.text;
            if ([buttonText isEqualToString:NSLocalizedString(@"Cancel", nil)]) {
               [button setTitleColor:[UIColor greenColor] forState:UIControlStateNormal];
            }
        }
    }];
}

（符合UIActionSheetDelegate）

尚未尝试UIAlertView。

Answer 2

这是可能的。以下是 iOS7 的快速实现：

@interface LNActionSheet : UIActionSheet
{
    NSString* _destructiveButtonTitle;
    UIColor* _customtintColor;
}
@end
@implementation LNActionSheet
- (id)initWithTitle:(NSString *)title delegate:(id<UIActionSheetDelegate>)delegate cancelButtonTitle:(NSString *)cancelButtonTitle destructiveButtonTitle:(NSString *)destructiveButtonTitle otherButtonTitles:(NSString *)otherButtonTitles, ...
{
    self = [super initWithTitle:title delegate:delegate cancelButtonTitle:cancelButtonTitle destructiveButtonTitle:destructiveButtonTitle otherButtonTitles:nil];
    if(self)
    {
        va_list list;
        va_start(list, otherButtonTitles);
        for(NSString* title = otherButtonTitles; title != nil; title = va_arg(list, NSString*))
        {
            [self addButtonWithTitle:title];
        }
        va_end(list);
        _destructiveButtonTitle = destructiveButtonTitle;
    }
    return self;
}
- (void)setTintColor:(UIColor *)tintColor
{
    _customtintColor = tintColor;
}
-(void)tintColorDidChange
{
    [super tintColorDidChange];
    for(id subview in self.subviews)
    {
        if([subview isKindOfClass:[UIButton class]])
        {
            UIButton* button = subview;
            if(![button.titleLabel.text isEqualToString:_destructiveButtonTitle])
            {
                [button setTitleColor:_customtintColor forState:UIControlStateNormal];
            }
        }
    }
}
@end

在显示之前，请根据自己的喜好设置操作表的色调颜色。

在此实现中，我选择将破坏性按钮标题保留为红色，但可以更改。

Answer 3

请查看我的子类 UICustomAction Sheet。我刚刚推送了最新的更改，这些更改允许正确显示iOs6和iOs7设计的样式。https://github.com/gloomcore/UICustomActionSheet

您可以为每个按钮设置颜色，字体，文本颜色以及图像。适用于iPhone和iPad。组件对于应用商店来说是绝对安全的，因此您可以在应用程序中使用它。享受！