如何更改UIActionSheet按钮颜色的颜色?
答案 0 :(得分:34)
iOS 8(UIAlertController)
如果你正在使用UIAlertController,这很简单。只需更改UIAlertController视图上的色调颜色。
[alertController.view setTintColor:[UIColor red];
iOS 7(UIActionSheet)
我使用这个简单的方法成功更改了文本颜色。
- (void) changeTextColorForUIActionSheet:(UIActionSheet*)actionSheet {
UIColor *tintColor = [UIColor redColor];
NSArray *actionSheetButtons = actionSheet.subviews;
for (int i = 0; [actionSheetButtons count] > i; i++) {
UIView *view = (UIView*)[actionSheetButtons objectAtIndex:i];
if([view isKindOfClass:[UIButton class]]){
UIButton *btn = (UIButton*)view;
[btn setTitleColor:tintColor forState:UIControlStateNormal];
}
}
}
请务必先运行 AFTER
[actionSheet showInView];
如果您在[showInView]之前调用它,除了取消按钮之外的所有按钮都将被着色。希望这有助于某人!
答案 1 :(得分:7)
我创建了子类UICustomActionSheet,它允许在UIActionSheet中自定义按钮的字体,颜色和图像。对于appstore来说绝对安全,你可以在下一个链接上找到这个类的代码:
https://github.com/gloomcore/UICustomActionSheet
享受它!
答案 2 :(得分:1)
不幸的是,如果不使用未记录的API,则无法在UIActionSheet上更改按钮颜色的官方方法。如果您继承UIActionSheet控件,则可以自定义此项。
请参阅此示例:http://blog.corywiles.com/customizing-uiactionsheet-buttons
答案 3 :(得分:1)
我们可以使用背景图片来完成它。我认为这是最简单的方法。
UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"Actionsheet" delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil];
[actionSheet addButtonWithTitle:@"Button 1"]; //Blue color
[actionSheet addButtonWithTitle:@"Button 2"];
[actionSheet addButtonWithTitle:@"Cancel"];
[actionSheet addButtonWithTitle:nil];
[actionSheet setCancelButtonIndex:2];
[actionSheet setDestructiveButtonIndex:1];
[actionSheet showInView:self.view];
UIButton *button = [[actionSheet subviews] objectAtIndex:1];
UIImage *img = [button backgroundImageForState:UIControlStateHighlighted];//[UIImage imageNamed:@"alert_button.png"];
[button setBackgroundImage:img forState:UIControlStateNormal];
答案 4 :(得分:0)
您可以使用以下代码轻松实现
Apple
UIActionSheetDelegate
协议文档
- (void)willPresentActionSheet:(UIActionSheet *)actionSheet
{
for (UIView *_currentView in actionSheet.subviews)
{
if ([_currentView isKindOfClass:[UIButton class]])
{
UIButton *button = (UIButton *)_currentView;
[button setTitleColor:YOUR_COLOR forState:UIControlStateNormal];
}
}
}