RNBlurModalView

RNBlurModal adds depth to the traditional modal/alert view. Calling the view is incredibly similar to setting up and showing a UIAlertView. You can also setup your own custom views and display them with a blurry background. The goal is to truly draw the user's focus directly to your alert using natural effects. This project works on all iOS devices at all orientations with ARC.

Installation

With CocoaPods

Just add this line to your podfile

pod 'RNBlurModalView', '~> 0.1.0'

Manual installation

Super simple. Just drag & drop RNBlurModalView.h/.m into your project. In your Project, find the Build Phases tab and expand Link Binary With Libraries. Add the following frameworks to your project:

QuartzCore.framework
Accelerate.framework

Additionally in your project, under the Build Phases tab, expand Compile Sources and add RNBlurModalView.m.

Usage

The simplest way to get up and running with RNBlurModalView is to display a default view. Inside of your view controller, write the following code:

RNBlurModalView *modal = [[RNBlurModalView alloc] initWithViewController:self title:@"Hello world!" message:@"Pur your message here."];
[modal show];

You can also create a modal view with your own custom UIViews:

RNBlurModalView *modal = [[RNBlurModalView alloc] initWithViewController:self view:view];
[modal show];

Caveat

The only thing I'll warn users about is that animations beneath the modal will be "paused". When it comes down to it, I am overlaying a UIImage on top of your controller. I've tried messing with some hacky CADisplayLink methods, but I can't seem to get a screenshot of the present state of the controller, just the configuration.

Configuration

Set a couple of different properties of your modal view to change how it appears:

@property (assign) CGFloat animationDuration;
@property (assign) CGFloat animationDelay;
@property (assign) UIViewAnimationOptions animationOptions;

For brevity, you can instead set these properties in the show: and hide: methods.

// show
- (void)show;
- (void)showWithDuration:(CGFloat)duration delay:(NSTimeInterval)delay options:(UIViewAnimationOptions)options completion:(void (^)(void))completion;
// hide
- (void)hide;
- (void)hideWithDuration:(CGFloat)duration delay:(NSTimeInterval)delay options:(UIViewAnimationOptions)options completion:(void (^)(void))completion;

KVO & Notifications

As always, I try to include some helpers in case there are other objects that need to be notified of custom events.

NSNotifications

extern NSString * const kRNBlurDidShowNotification;
extern NSString * const kRNBlurDidHidewNotification;

KVO

@property (assign, readonly) BOOL isVisible;

Contributions

The drawing for the dismiss button comes from David Keegan's awesome KGModal project.

The blurring algorithm is applied from this awesome blog post.

Contact

@nystrorm on Twitter
@rnystrom on Github
rnystrom [at] whoisryannystrom [dot] com

License

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.

rnystrom/RNBlurModalView

rnystrom

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