This repository has been archived by the owner on Aug 30, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 12
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add some organization to the transition examples. (#36)
* Add some organization to the transition examples. Grouping the examples together by related functionality and feature. * Fix bug in presentation example.
- Loading branch information
Showing
6 changed files
with
101 additions
and
126 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| Copyright 2017-present The Material Motion Authors. All Rights Reserved. | ||
|
|
||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
|
|
||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
|
|
||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| import UIKit | ||
| import MotionTransitioning | ||
|
|
||
| // Transitions must be NSObject types that conform to the Transition protocol. | ||
| final class FadeTransition: NSObject, Transition { | ||
|
|
||
| // The sole method we're expected to implement, start is invoked each time the view controller is | ||
| // presented or dismissed. | ||
| func start(with context: TransitionContext) { | ||
| CATransaction.begin() | ||
|
|
||
| CATransaction.setCompletionBlock { | ||
| // Let UIKit know that the transition has come to an end. | ||
| context.transitionDidEnd() | ||
| } | ||
|
|
||
| let fade = CABasicAnimation(keyPath: "opacity") | ||
|
|
||
| fade.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut) | ||
|
|
||
| // Define our animation assuming that we're going forward (presenting)... | ||
| fade.fromValue = 0 | ||
| fade.toValue = 1 | ||
|
|
||
| // ...and reverse it if we're going backwards (dismissing). | ||
| if context.direction == .backward { | ||
| let swap = fade.fromValue | ||
| fade.fromValue = fade.toValue | ||
| fade.toValue = swap | ||
| } | ||
|
|
||
| // Add the animation... | ||
| context.foreViewController.view.layer.add(fade, forKey: fade.keyPath) | ||
|
|
||
| // ...and ensure that our model layer reflects the final value. | ||
| context.foreViewController.view.layer.setValue(fade.toValue, forKeyPath: fade.keyPath!) | ||
|
|
||
| CATransaction.commit() | ||
| } | ||
| } |