Examples of using View controller in English and their translations into Portuguese
{-}
-
Colloquial
-
Official
-
Medicine
-
Financial
-
Ecclesiastic
-
Ecclesiastic
-
Computer
-
Official/political
What does a view controller do?
The view controller now knows about the label.
Storyboard, and select the view controller.
How does the view controller know about these objects?
We then ask the segue for its destination view controller.
How should the view controller know that the changeColor.
In the case of our button,we add an action to the view controller.
To do this, the view controller needs to know about the view. .
It's sending a message of changeColor(_:)to the view controller.
The view controller in the storyboard has a reference to the view. .
Introducing Model View Controller MVC.
This proves that it is the button that's triggering this method on the view controller.
That is the connection between the view controller and the view. UIView.
The exact meaning of this will become clear in a few minutes when we take a look at view controllers.
Swift  represents a view controller that controls the view in our user interface.
This is indicated in the storyboard by the arrow pointing to the View Controller Scene.
Let's add a table view to the view controller to display a list of to-do items.
The view controller is automatically instantiated and so is the view controller's view. .
When the user taps the Add button,the Add Item View Controller should be presented modally.
This sets the view controller as the root view controller of a navigation controller. .
To add a Facebook-branded login button to your app,add the following code snippet to a view controller.
Storyboard, add a text view to the View Controller Scene, and position it as shown below.
The view controller is instantiated for us,  because it is the initial view controller of the storyboard.
With the Connections Inspector still open,select the view controller and connect the tableView outlet to the table view we just added.
Select the table view in the storyboard, open the Connections Inspector  on the right, and drag from the dataSource outlet(the empty circle on its right) to the View Controller.
Firstly, select the view controller and in the Attributes inspector, change its height to be equal to its width.
This means that we need toask the navigation controller, the segue's destination view controller, for its top view controller. .
This will make the Add Item View Controller the root view controller of a navigation controller. .
However, the view controller hasn't made the connection between the new properties and the objects in the storyboard yet.
To understand what is going on,you have to keep in mind that entities, such as view controllers and their associated views, have a complex life cycle.
