Tag Archives: iOS

Leave Swift Error Propagation Enabled

A harmless Database update

I was debugging a Swift Mac app that I’m developing that uses Realm for a database.  The version of RealmSwift I was currently using was 2.10.0 as specified in my Podfile.

I opened Realm Browser to inspect a record in my database.   Having been recently updated to version 3.0.1, it alerted me that my database was using an older file format and offered to upgrade it.   I accepted without thinking much of it.

An unexpected error

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Thinking outside the box to debug: Charles Proxy, push and a forced crash

An issue on just one device

A couple of weeks ago, one of my colleagues reported that she found an issue with the iOS app for AAFES EXTRA, an app that I had developed for BlueSoHo for their client The Army & Air Force Exchange Service.

The iOS app was not displaying the expected updated content.  The Android app was working fine.  To make things more difficult, the problem was only occurring on one specific device and could not be replicated on any other devices, even of the same model.

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Sectioned table example with videos and articles

Sectioned Tables

I wanted to write-up the result of a code challenge that I completed a while ago.   I was asked to create a tabbed iOS app with sectioned tables, pulling video thumbnails and article titles into different sections.    Clicking on a thumbnail or article title would display the corresponding video or article in a separate view.    Adding to the challenge, I was asked to provide bookmarking capability for the videos and articles.  The bookmarked content would be visible in a second tab.

SectionedTable

Challenge Details and GitHub app

The full details of the challenge and resulting project can be found at:

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Image manipulation using view transitions and transforms

Image Manipulation

I recently took on a code challenge that was delivered in an interesting fashion.   I was given a video that showed the manipulation of two images and was asked to create an iOS app that had the same behavior as the video.

ImageTransform

 

Requirements

After watching the video (many times), I extracted the following requirements for my app:

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Logging and bookmarks with Objective-C and Swift

Overview

This article discusses the techniques I use for bookmarking code and adding log statements for both Objective-C and Swift.

ObjC_Swift_logging

Temporary Bookmarks

When I develop code I often find a need to temporarily reference different sections that I’m working on, either within the same file or in many different files.   Prior to Xcode 4 there was apparently a means to set and jump to bookmarks with keyboard shortcuts as mentioned in the article Killer Xcode Tips and Tricks – Tips 1 to 10 (see tips 7 and 8).

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