What does Tableview delegate self mean?
tableview.delegate = self”… and “self.anything” is used to say that “anything” is a property of self.. for eg. NSString* anything; @property(nonatomic,retain) NSString* anything; then “self.anything”
How do I add a delegate to a storyboard?
The menu will show a list of properties (including the delegate property) for that object. Then simply right click on the delegate property, hold it, and drag it (a blue line will appear) and link it to the object’s delegate.
How do you delegate in Objective C?
An Objective-C delegate is an object that has been assigned to the delegate property another object. To create one, you define a class that implements the delegate methods you’re interested in, and mark that class as implementing the delegate protocol.
How do I connect one ViewController to another in iOS?
Better way to move from one View Controller to another View Controller
- let str = UIStoryboard(name: “Main”, bundle: nil)
- let vc = str. instantiateViewController(withIdentifier: “ViewController”) as! ViewController.
- self. navigationController?. pushViewController(vc, animated: true)
What is tableView datasource?
Overview. Table views manage only the presentation of their data; they do not manage the data itself. To manage the data, you provide the table with a data source object—that is, an object that implements the UITableViewDataSource protocol. A data source object responds to data-related requests from the table.
What are tableView delegate methods?
Datasource methods are used to generate tableView cells,header and footer before they are displaying.. Delegate methods provide information about these cells, header and footer along with other user action handlers like cell selection and edit..
How do I add SceneDelegate to an existing project?
How to Add SceneDelegate to an Existing Storyboard Project in XCode
- setup first view controller – root view controller.
- configure app settings and startup components. logging.
- register push notification handlers and respond to push notifications sent to the app.
- respond to app lifecycle events. entering background.
How do I navigate from one Viewcontroller to another in iOS programmatically Objective C?
How to navigate from one view controller to another in iOS?
- Step 1 − Create a View controller object. let vc = self. storyboard?. instantiateViewController(withIdentifier: “VC2ViewController”) as!
- Step 2 − Navigating to Other View Controller. self. navigationController?. pushViewController(vc, animated: true)
How do I move a different view controller in storyboard?
In Xcode 8, if specifically you want to move view controllers to another storyboard, just select the view controller(s) which you want to move by Cmd + click the view controller. Keeping them selected, Go to the Editor tab and Choose Refactor to Storyboard.
How to reset the window object of the appdelegate?
Just in case you want to do it in the view controller and not in the app delegate: Just fetch the reference to the AppDelegate in your view controller and reset it’s window object with the right view controller as it’s rootviewController.
How to reset the window object of a view controller?
Just in case you want to do it in the view controller and not in the app delegate: Just fetch the reference to the AppDelegate in your view controller and reset it’s window object with the right view controller as it’s rootviewController. let appDelegate = UIApplication.sharedApplication ().delegate as!
Can appdelegate handle rootviewcontroller in new project structure?
For the new project structure, AppDelegate does not have to do anything regarding rootViewController. A new class is there to handle window (UIWindowScene) class -> ‘SceneDelegate’ file.
Is it possible to initialize the main view controller programmatically?
If you’re not using the storyboard. You can initialize your main view controller programmatically. And also remove Main from Deployment Info. Show activity on this post. I had done in Xcode 8 and swift 3.0 hope it will be useful for u, and its working perfectly.