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A UIViewController subclass for presenting side view controllers inspired on the FaceBook and Wunderlist apps, done right !

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README.md

SWRevealViewController

A UIViewController subclass for revealing a rear (left and/or right) view controller behind a front controller, inspired by the Facebook app, done right!

IMPORTANT NOTE: (Upgrading to Version 2.0)

A number of changes have been made on version 2.0 that may break your existing project. In case you are not ready to upgrade you can continue using previous versions. The last commit before 2.0.0 was tagged v1.1.3. The important changes that affect 2.0.0 are described next.

  • Dropped support for iOS6 and earlier. This version will only work on iOS7

  • The method setFrontViewController:animated: does no longer behave as previously. Particularly, it does not perform a full reveal animation. Instead it just replaces the frontViewController at its current position with optional animation. Use the new pushFrontViewController:animated: method as a replacement for your previous calls to setFrontViewController:animated:.

  • Added support for animated replacement of child controllers. The methods setRearViewController, setFrontViewController, setRightViewController now all have animated versions. The default animation is a Cross Dissolve effect. You can set the duration of the view controller replacement animation with replaceViewAnimationDuration

  • You can create custom viewController transition animations by providing an object implementing the UIViewControllerAnimatedTransitioning protocol.

  • Added the following new delegate methods

    - (void)revealController:(SWRevealViewController *)revealController willAddViewController:(UIViewController *)viewController forOperation:(SWRevealControllerOperation)operation animated:(BOOL)animated;
    - (void)revealController:(SWRevealViewController *)revealController didAddViewController:(UIViewController *)viewController forOperation:(SWRevealControllerOperation)operation animated:(BOOL)animated;
    - (id<UIViewControllerAnimatedTransitioning>)revealController:(SWRevealViewController *)revealController animationControllerForOperation:(SWRevealControllerOperation)operation fromViewController:(UIViewController *)fromVC toViewController:(UIViewController *)toVC;
  • The examples have been updated to demonstrate the new features. All animated calls to setFrontViewController:animated: have been replaced by calls to pushFrontViewController:animated:. The RevealControllerProject example implements a custom Animation Controller (UIViewControllerAnimatedTransitioning) to perform a slide up transition on replacement of the rightViewController. The RevealControllerProject3 example uses the default Cross Dissolve animation to set the Front Controller.

Features

  • A Reveal view controller implemented using view controller containment.
  • Support for custom viewController transition animations through UIViewControllerAnimatedTransitioning protocol
  • API easier than a UINavigationController.
  • Support for any combination of left/right rear controllers.
  • Correct handling of appearance methods on its child controllers that you can rely on.
  • Correct handling of rotations.
  • Can be embedded as a child view controller of other controllers or deployed as the rootViewController.
  • Plays nicely with any child view controllers or parent controllers.
  • Can be deployed as a child of itself to create cascade-like, hierarchical interfaces.
  • Seamless integration of pan gesture recognizer, behaving as smooth as silk.
  • A category method on UIViewController, revealViewController, to get the parent SWRevealViewController of any child controller, similar to the UIViewController's property navigationController.
  • Comprehensive set of delegate methods for getting full state of the controller and implementing your own code hooks for customizing behavior.
  • Lightweight, clean, easy-to-read, self-documenting code that you will enjoy using in your projects.

Examples

DynamicDynamic

Requirements

  • iOS 7.0 or later.
  • ARC memory management.

Usage

The SWRevealViewController repository attempts to provide an updated cocoaPods file and consistent tag versioning, but it is not actively updated on the cocoapods-specs repository.

The easiest way to install it is by copying the following to your project:

  • SWRevealViewController.h
  • SWRevealViewController.m

On your project:

  • Initialize an instance of a SWRevealViewController passing in a "rear" and a "front" view controllers.
  • Optionaly add a "right" view controller or pass nil as the "rear" view controller.
  • Use the SWRevealViewController instance in your code as you would use any view controller.
  • Deploy as the application window rootViewController, or as a child of other containment controllers.
  • Get the panGestureRecognized and tapGestureRecognizer provided by the SWRevealViewController. You can leave them as they are for the default behavior or you can add them to a suitable view on your "front" view controller. For example add the panGestureRecognizer to a navigationBar on the viewDidLoad method of your front controller.
  • At any time, you can reveal, conceal the "rear" or "right" views or replace any of the view controllers, programmatically or based on user actions, with or without animations enabled

Basic API Description

Initializing a SWRevealViewController:

- (id)initWithRearViewController:(UIViewController *)rearViewController frontViewController:(UIViewController *)frontViewController;

Setting a right view controller:

@property (strong, nonatomic) UIViewController *rightViewController;

Animated setting of the front view controller:

- (void)pushFrontViewController:(UIViewController *)frontViewController animated:(BOOL)animated;

Animating the position of the front view controller. Position can be: FrontViewPositionLeftSideMostRemoved, FrontViewPositionLeftSideMost, FrontViewPositionLeftSide, FrontViewPositionLeft, FrontViewPositionRight, FrontViewPositionRightMost or FrontViewPositionRightMostRemoved

- (void)setFrontViewPosition:(FrontViewPosition)frontViewPosition animated:(BOOL)animated;

Creating and obtaining a pan gesture recognizer:

- (UIPanGestureRecognizer*)panGestureRecognizer;

Creating and obtaining a tap gesture recognizer:

- (UITapGestureRecognizer*)tapGestureRecognizer;

Other methods are documented in the SWRevealViewController.h header file.

Release Notes

As of November 15, 2013 Release Notes are updated on the class main header file. Please see SWRevealViewController.h

Tutorials

Xamarin Binding

Thanks to Jesper Vandborg for having contributed with a Xamarin Binding project for this controller that is available for download at https://github.com/Vandborg/SWRevealViewController-XamarinBinding.

Special Mentions

A Special Thank you to Joan Martin who formely worked at http://www.sweetwilliamsl.com and has recently been developing an app for http://www.citizen.tv. He had the original idea and implemented code for generic view deployment/undeployment and replacement of view controllers used in the class.

Early code and api was inspired on a similar class by Philip Kluz (Philip.Kluz@zuui.org)

License

Copyright (c) 2013 Joan Lluch joan.lluch@sweetwilliamsl.com

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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