AMWaveTransition - SwiftGit

TableView

AMWaveTransition

October 5, 2023

Custom transition between viewcontrollers holding tableviews. Each cell is animated to simulate a ‘wave effect’.

Read more about transitions here and UIKit Dynamics here

Screenshot

Getting Started

Install with CocoaPods

Add pod 'AMWaveTransition' to your Podfile
Run pod install
Run open App.xcworkspace

Install with Carthage


                                              
                                                github “andreamazz/AMWaveTransition”

Setup as superclass

Subclass AMWaveViewController and override visibleCells or follow these steps:

Setup manually

Implement UINavigationControllerDelegate and this delegate method:


                                              
                                                – (id<UIViewControllerAnimatedTransitioning>)navigationController:(UINavigationController *)navigationController

animationControllerForOperation:(UINavigationControllerOperation)operation

fromViewController:(UIViewController*)fromVC

toViewController:(UIViewController*)toVC {

if (operation != UINavigationControllerOperationNone) {

// Return your preferred transition operation

return [AMWaveTransition transitionWithOperation:operation];

}

return nil;

}

Remember to set your instance as the navigation delegate:


                                              
                                                – (void)viewDidAppear:(BOOL)animated {

[super viewDidAppear:animated];

[self.navigationController setDelegate:self];

}
– (void)dealloc {

[self.navigationController setDelegate:nil];

}

Implement th AMWaveTransitioning protocol by returning your tableview’s visible cells:


                                              
                                                – (NSArray*)visibleCells {

return [self.tableView visibleCells];

}

Interactive gesture

To implement the interactive gesture create a new property in your view controller:


                                              
                                                @property (strong, nonatomic) IBOutlet AMWaveTransition *interactive;

initialize it in your viewDidLoad:


                                              
                                                self.interactive = [[AMWaveTransition alloc] init];

Attach the gesture recognizer in your viewDidAppear: and detach it in the viewDidDisappear::


                                              
                                                – (void)viewDidAppear:(BOOL)animated {

[super viewDidAppear:animated];

[self.interactive attachInteractiveGestureToNavigationController:self.navigationController];

}
– (void)viewDidDisappear:(BOOL)animated {

[super viewDidDisappear:animated];

[self.interactive detachInteractiveGesture];

}

If the view controller you are transitioning to has no table view, don’t implement visibleCells, the library will handle the transition correctly.

As you can see in the sample project, the best results are obtained by setting the view and the cells’ background to clearColor, and setting a background color or a background image to the navigation controller.

GitHub

View Github

#animation #background #navigation #swift #viewcontroller

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