Notes on simple ways to implement page jumps in iOS application development

As a note written by a novice, it is convenient for your memory:

I have found a lot of information about the page redirection from Android to iOS. Now I will record the method of page redirection.

1. Use navigationController

2. Jump directly (I just found it online, I am not familiar with it, don’t blame me for any mistakes)

1. Create a RootViewController,

Copy the codeThe code is as follows:

@property (strong, nonatomic) UIViewController *viewController;
@property (strong, nonatomic) UINavigationController *navController;

Code written in the didFinishLaunchingWithOptions function:

RootViewController *rootView = [[RootViewController alloc] init];
   = @"Root View";

   = [[UINavigationController alloc] init];

   [ pushViewController:rootView animated:YES];
   [ addSubview:];

These codes load the first page, RootViewController.
Jump to another page (such as SubViewController) code:

Copy the codeThe code is as follows:

SubViewController *subView = [[SubViewController alloc] init];

   [ pushViewController:subView animated:YES];

    = @"Sub";

This benefit is that the return button will be automatically generated.

2. Jump directly, nothing

Don't do anything else, just create a new view object

Copy the codeThe code is as follows:

SubViewController *subView = [[SubViewController alloc] initWithNibName:@"SubViewController" bundle:[NSBundle mainBundle]];

    [self presentModalViewController:subView animated:YES];

That's fine.

This function will not be used after iOS 6.0

Copy the codeThe code is as follows:

[self presentModalViewController:subView animated:YES];

Can be replaced

Copy the codeThe code is as follows:

[self presentViewController:subView animated:YES completion:nil];

Data transfer when page jumps
For example, when you need to implement view1 to jump to view2, pass some data from view1 to view2.

Ideas:

1. Customize a bean class user, and implement user as a member variable in view2.

2. When view1 jumps, encapsulates the data as a user and assigns the value to

Code

1. view2

.h declares member variables

Copy the codeThe code is as follows:

@property (strong, nonatomic) User *user;

2. view1

Copy the codeThe code is as follows:

View2 *view2 = [[View2  alloc] init];

    User *user = [[User alloc] init];

     = @"kevin";

     = user;

    [ pushViewController: view2 

animated:YES];

3. view2

Get variable

Copy the codeThe code is as follows: