(Ios development study note 3) jump between two forms to implement multiple forms

Implementation results:

 

 

Implementation Process description:

In AppDelegate, set window. rootViewController to display the first form, --> In the button in the first form, reset

SetRootViewController to set the second form ---> the second form also sets setRootViewController to jump to the first form

 

Implementation process:

Step one: Create a project. In this example, select an empty project)

Step Two creates Two forms: oneView and TwoView

 

Step Three: Display OneView in Appdelegate

 

Step Four: Set Oneview and TwoView to set a title and a button respectively, and associate the button and viewcontrol with the click event.

StepFive sets button events on the interface to implement form interchange.