iOS-Passing Data between View Controller

Method one:

Open the project we just created in last post.

Step 1:

Select the AppDelegate.h file, add your variable 

Step 2:

Synthesize the object in AppDelegate.m file and initialize it when the application becomes active:

Step 3

Set value to the variable, in ViewController.m file, in secondPageBtnPress method, import “AppDelegate.h”.

Step 4

Get the value in the second page, in “SecondPage_ViewController.h”, define a IBoutlet for the label.

       

  Then connect the label to IBOutlet, click “SecondPage_ViewController.xib”,          Right click the “File owner” icon, drag and drop to the “Second Page” label, select the “label” in the popup.

Step 5

       Get the value and set to the “Second Page” label

In “SecondPage_ViewController.m”, import “AppDelegate.h”, synthesize the label, and in the viewDidLoad method to get the value.

Step 6

Run the app, and it will show like this: