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WorldFacts.xcodeproj Updated README Jan 19, 2018
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README.md Updated README Jan 19, 2018

README.md

WorldFacts

The WorldFacts App has gone through a number of iterations over the years as the capabilities of iOS have changed. Originally it started as an example of how to construct custom table view cells with a storyboard. Some of the earlier posts are likely only of historical interest now but I think it is interesting to show how much iOS apps need to change over the years.

For further details see the following posts:

For details on adding a storyboard segue to show the country detailed view see the following post:

The steps to add a search bar to the table view controller are covered in the following post:

The release of iOS 8 saw a number of changes to update and modernise the code:

  • UISearchDisplayController is deprecated and replaced by the much cleaner UISearchController
  • Modules are now used instead of precompiled headers
  • The Storyboard is now universal
  • Include a launch screen storyboard
  • Autolayout is used
  • Dynamic Type is used for the content
  • Asset Catalogs for the icons and images
  • Base Internationalization
  • Remove old orientation handling code.

An OS X companion app has also been added to create and maintain the core data stack. Full details on how to use Cocoa Bindings to create a simple interface to Core Data are covered in the following post:

To see details on how to increase the width of the master view of the split view controller see the following post:

The geographic data used in this App is from GeoNames and used under the Creative Commons Attributions License. See www.geonames.org.

Model

  • WorldFacts.xcdatamodeld

    The core data model definition contains a single entity for the Country managed object.

  • Country.h

  • Country.m

    The generated NSManagedObject subclass

  • Country+Extensions.h

  • Country+Extensions.m

    Private class extensions for the Country NSManagedObject subclass to generate the section title used by the NSFetchedResultsController and to import an initial set of geographic data from countries.plist.

View

  • Main.storyboard

    The universal storyboard file used to create the table and details view

Controllers

  • UYLCountryTableViewController.h

  • UYLCountryTableViewController.m

    The table view controller used to show the list of countries with details on the capital and population and manage the search interface. The table view controller implementation is a standard implementation of an NSFetchResultsController.

  • UYLCountryViewController.h

  • UYLCountryViewController.m

    The view controller used to show the detailed country view. This view controller does almost nothing other than set up the view from the Country object it is passed.

App Delegate

  • UYLAppDelegate.h

  • UYLAppDelegate.m

    The App delegate is largely unmodified from the template code. It creates the root view controller using a storyboard and initialises the core data stack.

Version History

Version 3.3 19 Jan 2018 Update for Xcode 9, minimum target is iOS 9 Version 3.2 12 Oct 2015 Add 3D Touch peek and pop preview Version 3.1 25 May 2015 Increase width of split view master view Version 3.0 27 Mar 2015 Add OS X application to create core data Version 2.0 16 Feb 2014 Update for iOS 8 and UISearchController Version 1.5 20 Feb 2013 Move core data file to App Support dir Version 1.4 31 Dec 2012 Add default launch images to support retina 4 inch display Version 1.3 6 Sep 2012 Add a search bar Version 1.2 1 Aug 2012 Use default synthesis of ivars Version 1.1 21 June 2012 Add Storyboard segue to country view Version 1.0 6 June 2012 Initial Version