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AlanQuatermain/AQGridView - GitHub

AlanQuatermain/AQGridView - GitHub | iOS dev | Scoop.it

AQGridView is an attempt to create something similar to NSCollectionView on the iPhone. If CALayoutManager were available on the iPhone, specifically the CAConstraintLayoutManager, then this would be relatively easy to put together. However, since none of those exist, there’s a lot of work to be done.

 

 

 

 

 

 

 

 

 

 

 

✔ Sources: https://github.com/AlanQuatermain/AQGridView

 


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iOS Open Source : Sidebar Image Collection HSImageSidebarView

iOS Open Source : Sidebar Image Collection HSImageSidebarView | iOS dev | Scoop.it

BJ Homer is the author of HSImageSidebarView, an iOS control that subclasses UIView to present a scrolling collection of images. There are some pretty cool features available out-of-the-box, a personal favorite is the drag-and-drop support for rearranging items in the collection

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Using Keychain to Store Username and Password

Using Keychain to Store Username and Password | iOS dev | Scoop.it

The keychain services on iOS provide a means to securely store content such as passwords, keys, certificates, etc. Each iOS application has a separate set of keychain items. Beginning with iOS 3.0, it is possible to share keychain items across applications.

 

In this tip, I will demonstrate a starting point for working with the keychain by storing and retrieving a username and password.

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Load and Access Custom Fonts

t’s surprisingly easy to add custom fonts to your iOS apps. Begin by adding the font(s) to your project, (drag/drag into the resources folder in the Project Window).

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iOS Open Source : UIView Transitions

iOS Open Source : UIView Transitions | iOS dev | Scoop.it

Tiring of the same old view transitions? Check out the work of Jan Ilavsky – the video below shows the transitions available in Jan’s open source projet:

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Exceptions – Try, Catch and Finally

ou won’t find exceptions used as frequently in Objective-C as in other languages. However, try/catch/finally blocks can be useful to capture errors that may otherwise cause an app to fail. In the example below, I allocate an array, however I don’t add any elements to the array. Inside the try block the attempt to access the first element will cause an exception to be thrown.
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iOS Open Source : QuickDialog

iOS Open Source : QuickDialog | iOS dev | Scoop.it
QuickDialog, written by Eduardo Scoz, is an open source project which offers a comprehensive set of packaged code for creating iPhone style dialogs. QuickDialog offers many controls typically associated with setup and configuration screens, including on/off selectors, dates, sliders, radio style controls, text entry, among others.
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iOS Open Source : Sliding View Controller

iOS Open Source : Sliding View Controller | iOS dev | Scoop.it

ECSlidingViewController is a nice UI control that shows a child view controller by sliding a parent controller aside.

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iOS Open Source : Popup with Selection List

iOS Open Source : Popup with Selection List | iOS dev | Scoop.it
Created as an alternative to UIActionSheet, LeveyPopListView displays a popup window with a selectable list of options.

This project covers a number of fundamental iOS programming concepts – creating and drawing UIViews; building a UITableView with custom UITableViewCells; animation effects with blocks (done when both showing and hiding the popup).

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iOS Open Source : Animate UILabel Properties

iOS Open Source : Animate UILabel Properties | iOS dev | Scoop.it
Adam Siton is the author of AUIAnimatedText, a drop in UILabel replacement, which allows animation of the following properties:

- textColor
- text
- font
- fontSize

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MTDirectionsKit for iOS - Cocoa Controls

MTDirectionsKit for iOS - Cocoa Controls | iOS dev | Scoop.it
MTDirectionsKit is a framework to draw routes inside your iOS App on top of MKMapView

MTDirectionsKit is a full-featured, easy to use solution to show directions in your App, directly on top of MKMapView. Not only will your users thank you for not throwing them out of your App, it will also distinguish your App from all the others that don't offer this functionality.

 

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JSNotifier for iOS - Cocoa Controls

JSNotifier for iOS - Cocoa Controls | iOS dev | Scoop.it

A simple notification class for iOS. A small banner slides up from the bottom of the screen. The notifications are out of the way and don't cause visual clutter, great for success and error messages

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JCGridMenu: menu using rows and columns

JCGridMenu: menu using rows and columns | iOS dev | Scoop.it

This is a simple IOS control that works as a 44x44px menu using rows and columns to show and hide options. It’s not big but it is clever.


✔ Sources: https://github.com/joecarney/JCGridMenu



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iOS Open Source : Swipe Table Cell to Reveal Additional Content

iOS Open Source : Swipe Table Cell to Reveal Additional Content | iOS dev | Scoop.it

In place of the traditional swipe on a table cell, the open source project TISwipeableTableView will reveal content that appears to the user as if it is under the cell.

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Using Font Macros for Consistency

In most applications, keeping with one or two fonts is a good design choice. To this end, I often include a few simple macros to keep fonts consistent, easily change

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iOS Open Source : iCarousel Paging Control

iOS Open Source : iCarousel Paging Control | iOS dev | Scoop.it

If you are looking for a unique way to present paged data (series of images or other views), iCarousel is worth a look. This is a very flexible control with many paging styles available including linear, cylinder and a coverflow look. There are also hooks available in the source code to provide your own paging effects.

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iOS Open Source : Popup Bubbles / Tips

iOS Open Source : Popup Bubbles / Tips | iOS dev | Scoop.it

Chris Miles has written a custom UIView that displays popup “bubbles” that automatically orient themselves based on the location of the target view. This source works equally as well on both the iPhone and iPad. The popups have a number of config. items

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iOS Open Source : FTUtils Core Animation

iOS Open Source : FTUtils Core Animation | iOS dev | Scoop.it

TUtils, written by Nathan Eror of Free Time Studios, is a set of code extracted from Free Time’s existing development work on various iPhone projects. The Core Animation transitions in FTUtils are very nice, take a look:

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Introduction to Blocks in Objective-C – Part 1

Introduction to Blocks in Objective-C – Part 1 | iOS dev | Scoop.it
Mobile Developer Blog - iOS and Objective-C Tips, Tricks and Tutorials.
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Creating Repeating and Non-Repeating Timers

Let do a quick run through of the basic operation of the NSTimer object. Timers are generally divided into one of two buckets, repeating and non-repeating. In either case, a timer event is fired after a specified amount of time has elapsed. As the name implies, once the repeating timer fires, it is rescheduled to fire again at the specified interval – this process is repeated until the timer is invalidated.

Repeating NSTimer

The code below shows how to create a repeating timer, which fires ever 3 seconds. The method updateActivityIndicator will be called on each timer event.

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Instance Variables in the Implementation File

Within Xcode, if you set the compiler option to Apple LLVM compiler 2.1 (or greater), you can move your instance variable declarations from the interface file to the implementation file.

For example, here is a traditional interface definition with instance variables declared:

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iOS Open Source : Popover Control for iPhone and iPad

iOS Open Source : Popover Control for iPhone and iPad | iOS dev | Scoop.it

With the 50pixels popover, you can easily customize the color and size of popovers, as well as the placement of the directional arrows (although the defaults work quite well).

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MusicPlayerViewController for iOS - Cocoa Controls

MusicPlayerViewController for iOS - Cocoa Controls | iOS dev | Scoop.it
n iPhone view controller to visualize and control music playback. (Editor's note: we blurred out the album cover used here in order to prevent the wrath of certain litigious entities from being turned upon us. The real screenshot looks much better...)
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InfiniteScrollView for iOS - Cocoa Controls

InfiniteScrollView for iOS - Cocoa Controls | iOS dev | Scoop.it

A replacement for UIToolbars and UITabBars. Add your widgets and buttons for a given view to the bar, and users can swipe it up to expose its contents.

 

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