This article is focused on mesh transforms. The core idea of a mesh transform is very straightforward: you introduce a set of vertices in the layer then you move them around deforming the entire contents.
iOS & OS X stuff
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Pop is an extensible animation engine for iOS and OS X. In addition to basic static animations, it supports spring and decay dynamic animations, making it useful for building realistic, physics-based interactions. The API allows quick integration with existing Objective-C codebases and enables the animation of any property on any object. It's a mature and well-tested framework that drives all the animations and transitions in Paper. 
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Chaining animations together has always been a little bit awkward. You’d do the first step, then in the completion block, do the second step, then in that completion block, do the third step, and so on, until you close it all off with a staircase of doom. You don’t need to do this. New in iOS7, there is a method for building stacks of animations. animateKeyFramesWithDuration: delay: options: animations: completion: http://commandshift.co.uk/blog/2014/04/01/stop-nesting-animation-blocks
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Implementation details of NSMutableArray are private for a reason. They’re subject to change at any time, both in terms of underlying subclasses and their ivar layouts, as well as underpinning algorithms and data structures. Regardless of those caveats, it’s worth peeking under the hood of NSMutableArray and figuring out how it works and what can we expect of it. The following study is based on iOS 7.0 SDK. http://ciechanowski.me/blog/2014/03/05/exposing-nsmutablearray
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Bolts-iOS is a collection of low-level libraries designed to make developing mobile apps easier. The first component in Bolts is "tasks", which make organization of complex asynchronous code more manageable. A task is kind of like a JavaScript Promise, but available for iOS and Android. https://github.com/BoltsFramework/Bolts-iOS
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WCFastCell - A drop-in replacement for UITableViewCell and UICollectionViewCell which draws contents using CoreGraphics. Seamless integration with nibs provided. https://github.com/wczekalski/WCFastCell
Nikita Ivanchikov's insight:
It's really fast, I totally recommend using this component in your projects
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A small utility for fast access to your iPhone Simulator apps. Opens folder in Finder, resets Library and Documents, and deletes the selected app.
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NHBalancedFlowLayout - UICollectionViewLayout subclass for displaying items of different sizes in a grid without wasting any visual space.
https://github.com/njdehoog/NHBalancedFlowLayout
Read more about the algorithm:
http://www.crispymtn.com/stories/the-algorithm-for-a-perfectly-balanced-photo-gallery
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Inkpad is a vector illustration app designed from scratch for the iPad. It supports paths, compound paths, text, images, groups, masks, gradient fills, and an unlimited number of layers.
Inkpad was designed with performance in mind – it can easily handle drawings with hundreds to thousands of shapes without bogging down. Export your finished illustrations directly to your Dropbox as SVG or PDF.
https://github.com/sprang/Inkpad
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UITextField subclass with placeholders that change into floating labels when the field is populated with text.
Looks awesome!
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LTHPasscodeViewController - simple to use iOS 7 style (replica, if you will) Passcode view. Not the Lock Screen one, but the one you get in Settings when changing your passcode. https://github.com/rolandleth/LTHPasscodeViewController
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From
github
POP-MCAnimate - Concise syntax for the Pop animation framework. https://github.com/matthewcheok/POP-MCAnimate
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From
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RSImageOptimPlugin - Xcode plugin to optimize images using ImageOptim.
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NSDictionary doesn’t make any promise of its internal implementation. It would make little sense for a dictionary to store its data in a completely random fashion. However, this assumption doesn’t answer the key question: does NSDictionary make use of a hash table?
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With iOS7 you can color-fill a black-transparent png file, using the imageWithRenderingMode: method and the tintColor property. http://www.g8production.com/post/79359943306/color-fill-uiimage-programmatically-in-ios7
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From
ronnqvi
Bézier paths are a powerful part of computer graphics. They allow the construction of any vector shape that can later be rendered in any resolution. Construction of a Bézier path can initially seem strange but after breaking them down into the lines, curves and arcs they are composed of can help us understand them.
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YapDatabase is a "key/value store and MUCH MORE" built atop sqlite for iOS & Mac. It has the following features:
https://github.com/yaptv/YapDatabase Robbie Hanson's article on what YapDatabase is and which advantages it brings: http://deusty.blogspot.co.il/2014/01/response-coredatanext.html
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UIImageView_FaceAwareFill - This category applies Aspect Fill content mode to an image and if faces are detected it centers them instead of centering the image just by its geometrical center.
https://github.com/Julioacarrettoni/UIImageView_FaceAwareFill
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ALSystemUtilities - This library provides a list of 78 methods to get every kind of system information.
The library provides informations for these purviews : - battery; - disk; - hardware; - jailbreak; - localization; - memory (RAM); - network; - processor; - carrier; - accessories;
https://github.com/andrealufino/ALSystemUtilities
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This tutorial will demonstrate how to handle and display thousands of points of data on an iOS map in a way people understand and enjoy.
We are going to make an iOS app which ships with 87,000 hotels, each with a coordinate, a name and a phone number. This app will never ask the user to "redo search in area"; it will update the map as the user pans and zooms, allowing the user to freely explore the data.
http://robots.thoughtbot.com/how-to-handle-large-amounts-of-data-on-maps/
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A tested and fully documented promises library inspired by Promises/A with certain additions and changes to better fit the common Objective-C patterns.
Source code: https://github.com/b52/OMPromises
Tutorials on promises: 1) http://blog.parse.com/2013/01/29/whats-so-great-about-javascript-promises/
2) https://coderwall.com/p/ijy61g
3) http://strongloop.com/strongblog/promises-in-node-js-with-q-an-alternative-to-callbacks/
4) http://sitr.us/2012/07/31/promise-pipelines-in-javascript.html
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HiBeacons is a fully functional demo app for the new iBeacons API in iOS 7. The app can be used to demonstrate both beacon advertising and ranging, by toggling on/off two switches. You can easily see any beacons in the vicinity, with all their info, under the 'Detected Beacons' section.
https://github.com/nicktoumpelis/HiBeacons
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