storyboard

问题 I want to build simple video app thats views a video form youtube links thats users add. I didn't find "VideoView" I mean If image view is for image what is UIView for videos. 回答1: There is no object in the original library that performs video viewing function. But you can import the MediaPlayer framework in your project and add it programmatically. Here is a Swift example import MediaPlayer class Step1ViewController: UIViewController { var moviePlayer: MPMoviePlayerController? override func

问题 Ok, have no idea what is going on here but from what I understand from other questions (XPC connection interrupted in Xcode 7 for iOS 9) , XPC connection interrupted means theres a storyboard problem. Per a similar answer I opened the storyboard as source code and looked for repeated <keycommand> tags, but there aren't any. I had to copy and paste a storyboard from another project since something changed, and I believe this caused it. What are my options here? What could be causing this

问题 I have a navigation controller based iPad application. I am using storyboards for the app design. From one of the ViewControllers in the Navigation stack, I need to segue to a screen showing splitviewcontroller. how to I go about that ? Thanks in advance for any help on this. 回答1: A UISplitViewController must always be the first/main view controller you use. You can't use it from a UINavigationController or a UITabBarController or similar. 回答2: I had the exact same problem and I solved it by

问题 I have a storyboard that's triggered by a property in the ViewModel, this trigger the animation to start. But how do I set the "Saved" property back to False when it is done with the animation (to trigger the ExitAction.) <Style TargetType="TextBlock" x:Key="FadeInOut"> <Style.Triggers> <DataTrigger Binding="{Binding Saved}" Value="True"> <DataTrigger.EnterActions> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="Opacity" Duration="0:0:1" From="0" To="1" /> <!-- set

问题 I have a storyboard that's triggered by a property in the ViewModel, this trigger the animation to start. But how do I set the "Saved" property back to False when it is done with the animation (to trigger the ExitAction.) <Style TargetType="TextBlock" x:Key="FadeInOut"> <Style.Triggers> <DataTrigger Binding="{Binding Saved}" Value="True"> <DataTrigger.EnterActions> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="Opacity" Duration="0:0:1" From="0" To="1" /> <!-- set

问题 I have a storyboard that's triggered by a property in the ViewModel, this trigger the animation to start. But how do I set the "Saved" property back to False when it is done with the animation (to trigger the ExitAction.) <Style TargetType="TextBlock" x:Key="FadeInOut"> <Style.Triggers> <DataTrigger Binding="{Binding Saved}" Value="True"> <DataTrigger.EnterActions> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="Opacity" Duration="0:0:1" From="0" To="1" /> <!-- set

问题 I created in my app a new class named EmpresasTableViewController , and in the storyboard I copied CategoriasViewController to EmpresasTableViewController, I just want to assign the class EmpresasTableViewController to EmpresasTableViewController in the storyboard, but the name EmpresasViewController doesn't appear in the Identity Inspector . There are no errors after creating the class, but why is it not shown as a class in the storyboard Identity Inspector under Custom Class ?, all other

问题 I want to present the my xib as the alert view. In the xib main view is going to be semi-transparent, which will prevent users from tapping on anything else in the background while the alert view is up. I am not using the view controller in xib. 回答1: 1.Fetch the XIB file object. let alert = NSBundle.mainBundle().loadNibNamed("Alert", owner: self, options: nil).last as! UIView 2.Compose the convenience methods. static func showAlert() { let windows = UIApplication.sharedApplication().windows

问题 I created in my app a new class named EmpresasTableViewController , and in the storyboard I copied CategoriasViewController to EmpresasTableViewController, I just want to assign the class EmpresasTableViewController to EmpresasTableViewController in the storyboard, but the name EmpresasViewController doesn't appear in the Identity Inspector . There are no errors after creating the class, but why is it not shown as a class in the storyboard Identity Inspector under Custom Class ?, all other

问题 I created in my app a new class named EmpresasTableViewController , and in the storyboard I copied CategoriasViewController to EmpresasTableViewController, I just want to assign the class EmpresasTableViewController to EmpresasTableViewController in the storyboard, but the name EmpresasViewController doesn't appear in the Identity Inspector . There are no errors after creating the class, but why is it not shown as a class in the storyboard Identity Inspector under Custom Class ?, all other