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Why window is nil in AppDelegate

You need to create the window yourself if not using the main interface option:

window =

Then call your code above, using window.

Finally, call makeKeyAndVisible() on the window.

Categories : IOS

Related to : Why window is nil in AppDelegate
appDelegate does not have a member called 'PlayerName'
Why are you setting text to the label from AppDelegate, you should do that in your ViewController's viewDidLoad method, Or if you are insisting, the line you wrote self.playerName.text = "textHere" "self" is pointing to AppDelegate and your UILabel playerName is a member of the class ViewController. You have to create an instance of your ViewController to set the text to your label from App

Categories : IOS
Use of undeclared type 'AppDelegate' Swift
Instead of: let appDelegate = UIApplication.sharedApplication().delegate as NSSAppDelegate try: let appDelegate = UIApplication.sharedApplication().delegate as AppDelegate

Categories : IOS
Call ViewController Method from AppDelegate after URL Scheme OpenURL
Rather than trying to have the AppDelegate trigger something off in your View Controller, I would suggest having the View Controller register to receive a notification when the app starts. You can then check the variable you're setting in AppDelegate and react accordingly. For example: YourViewController.m: - (void)viewDidLoad { [super viewDidLoad]; // This notification is sent the fi

Categories : IOS
Unable to switch to Browser Window which is inside the main window.(Selenium Webdriver)
Here, I have used Robot class to interact with the dialog box. No need to switch windows. Try the below code. Hello is the data to enter: StringSelection data_to_enter= new StringSelection("Hello"); Toolkit.getDefaultToolkit().getSystemClipboard().setContents(data_to_enter, null); Robot robot = new Robot(); robot.keyPress(KeyEvent.VK_CONTROL); robot.keyPress(KeyEvent.VK_V);

Categories : Java
My Simulink model is printing callbacks to the diagnostic window, how do i print to the command window?
It looks the default behaviour is now to print to the diagnostics window and there's no setting to override this. Your only option is probably to use evalin: evalin('base','disp(''hi there'')') You can probably create a Service Request asking for this to be a future enhancement. MathWorks will probably want to know the reason for doing this though to justify the development effort and prioritis

Categories : Matlab
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