uialertview

问题 I have a UIBarButtonItem called "Refresh Data". When user clicks it, the app should refresh its data. What happens on that button click is web services are launched and xml data is brought and they are of the order 30000-40000 records. So to prevent UI from hanging i wrote a background thread and did that loading there. - (void)refreshDataAction { NSLog(@"Refresh Data"); //Put up an alert box indicating user to wait while data is loading. UIAlertView *alert = [[UIAlertView alloc]

问题 I have a problem .. I used this http://kwigbo.com/post/318396305/iphone-sdk-custom-uialertview-background-color to create my own custom UIAlertView. I do not know why but this will not work: UILabel *theTitle = [theAlert valueForKey:@"_titleLabel"]; [theTitle setTextColor:[UIColor redColor]]; UILabel *theBody = [theAlert valueForKey:@"_bodyTextLabel"]; [theBody setTextColor:[UIColor blueColor]]; the color of the title does not change .. the color of texbody it's ok. How can I customize the

问题 I try to run this a sample that customise UIAlertView but it doesn't work. http://joris.kluivers.nl/iphone-dev/?p=CustomAlert I would like to change the background image of the UIAlertView. Can I do it? Thanks 回答1: I have customized UIAlertView before, which broke when a new OS was released (4.2, specifically). I recommend implementing your own custom view instead of trying to customizing UIAlertView. 回答2: Technically yes, you can, but it's frowned upon. Modifying the private view hierarchy

问题 I want to change the UIAlertView view background colour and change displaying position of alert view. Is it posible ? 回答1: The UIAlertView class is intended to be used as-is and does not support subclassing. The view hierarchy for this class is private and must not be modified. For more information about appearance and behaviour configuration, see AlertView. OR for changing background color u me used WCAlertView SCLAlertView OR u can refer this post iOS SDK: Creating a Custom Alert View 回答2:

问题 How can I get my UiAlertController or UIAlertView to display only once in Swift? override func viewDidLoad() { var defaults: NSUserDefaults = NSUserDefaults.standardUserDefaults() if let nameIsNotNill = defaults.objectForKey("name") as? String { self.name.text = defaults.objectForKey("name") as String } if let phoneIsNotNill = defaults.objectForKey("phone") as? String { self.phone.text = defaults.objectForKey("phone") as String } var alert = UIAlertController(title: "Disclaimer", message: "WE

问题 I have implemented datepicker in one of my view, The way is added the datepicker to the Alertview. Now in iOS 7 i am not able to find the datepicker on the alertview, When searched i have got, we cannot add anything to alertview in iOS7. My requirement was When i will select the DOB textfield, I have to show the Datepickerview and modify the date and the changed value will be stored into the textfield. Now my problem is How can i show the datepicker on the alertview. I have tried showing on

问题 I know that UIAlertView conforms to UIAppearance and UIAppearanceContainer . But how do I use UIAppearance to customize/style UIAlertView ? I am not able to find it over the net. 回答1: You can't use UIAppearance to customise UIAlertView . UIAlertView only shows as having UIAppearance because UIView conforms to UIAppearance and UIAlertView is a subclass of UIView . It doesn't actually implement it though. 回答2: If you want to use UIAlertView functionality, modally view, etc... you can subclass

问题 Do anyone know how to make actions for the buttons in UIAlertview ? if so, please guide me. 回答1: - (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger) buttonIndex { if (buttonIndex == 0) { NSLog(@"Cancel Tapped."); } else if (buttonIndex == 1) { NSLog(@"OK Tapped. Hello World!"); } } Try This Code It Will Works for you... 回答2: When buttons are clicked in UIAlertView, its delegate method - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger

问题 is it somehow possible to add a clickable link to the alert-message of an UIAlertView? Especially in case of a Push-Notification? The only solution i see, is to add the link as dictionary-item to the push alert message. If the message arrive with the link and the app is opened hereupon, i can check wheter there is a link in the dictionary and open a webview. 回答1: While adding customizations to a UIAlertView is strongly discouraged by Apple, the only way you have is to extend the UIAlertView

问题 I have added the UIAlertController code showing login and password textfields, it works for iOS 8 but in iOS 9 not works. The textfields shrinks as shown in figure below The code I am trying is as follows : - (void)toggleLoginLdap:(UIViewController *)currentVC { if ([UIAlertController class]) { self.alertController= [UIAlertController alertControllerWithTitle:@"Title of Msg" message:@"Hello" preferredStyle:UIAlertControllerStyleAlert]; UIAlertAction* ok = [UIAlertAction actionWithTitle:@"OK"