JTSlideShadowAnimation

JTSlideShadowAnimation allow you to reproduce the famous "slide to unlock effect" on iOS.

Installation

With CocoaPods, add this line to your Podfile.

pod 'JTSlideShadowAnimation', '~> 1.0'

Screenshots

Usage

Basic usage

Just import JTSlideShadowAnimation.h.

#import "JTSlideShadowAnimation.h"

@interface ViewController : UIViewController

@property (weak, nonatomic) IBOutlet UIButton *animatedView;

@property (strong, nonatomic) JTSlideShadowAnimation *shadowAnimation;

@end

Assign the view you want to animate and start the animation.

- (void)viewDidLoad
{
    [super viewDidLoad];
 
    self.shadowAnimation = [JTSlideShadowAnimation new];
    self.shadowAnimation.animatedView = self.animatedView;
}

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];

    [self.shadowAnimation start];
}

Customization

You can easily customize the animation.

• shadowBackgroundColor
• shadowForegroundColor
• shadowWidth
• repeatCount
• duration

Example:

- (void)viewDidLoad
{
    [super viewDidLoad];
 
    self.shadowAnimation = [JTSlideShadowAnimation new];
    self.shadowAnimation.animatedView = self.animatedView;

    self.shadowAnimation.shadowBackgroundColor = [UIColor colorWithWhite:0. alpha:.3];
    self.shadowAnimation.shadowForegroundColor = [UIColor blackColor];
    self.shadowAnimation.shadowWidth = 40.;
    self.shadowAnimation.repeatCount = 3;
    self.shadowAnimation.duration = 3.;

    [self.shadowAnimation start];
}

Requirements

• iOS 7 or higher
• Automatic Reference Counting (ARC)

Known Issues

• Animation stop when the application go in background, you have to restart it manually

Author

• Jonathan Tribouharet (@johntribouharet)

License

JTSlideShadowAnimation is released under the MIT license. See the LICENSE file for more info.