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RocketSim: An Essential Developer Tool
as recommended by Apple

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Third-party libraries acknowledgments using a Settings bundle

Third-party libraries help developers build apps faster but often come with a license. The MIT license is likely the most common, but there are many others that, together, require you to acknowledge the usage of the library in return for getting free access. I'm not going to dive deep into ...
Workflow

App Preview Videos Capturing using the Xcode simulator

App Preview Videos allow you to increase the visibility of your app in the App Store. While it's best to validate whether it leads to higher conversions, it's certain a moving demo will catch the attention quicker. Creating a qualitative App Preview Video can be time-consuming, especially since Apple has ...
Workflow

Status bar overrides in the iOS Simulator

Status bar overrides in the iOS Simulator allow you to change the appearance of the network, cellular, time, and battery. You can use this feature to beautify your screenshots and ensure a consistent appearance across, for example, your App Store screenshots. While functionality for overriding the iOS status bar has ...
Workflow

Picking your minimum iOS version to support

When a new iOS version arrives, it's oftentimes a moment to reflect on the supported iOS versions and see to which minimum iOS version your project should be set. It's an important decision in a developer's job and not something you can do without reasoning. We can be fortunate with ...
Workflow

OSLog and Unified logging as recommended by Apple

OSLog is a replacement for print, and NSLog and Apple's recommended way of logging. It has different logging levels, like debugging, warning, and error logs. Altogether, it allows you to create an enriched logging experience fitting nicely in Xcode 15's new logging console. OSLog has a low-performance overhead and is ...
DebuggingWorkflow

Location Simulation in Xcode’s Simulator

Location Simulation is a critical feature for apps that provide location access. You want to mimic the environment of real users without stepping in your car and driving a route while debugging. Whether you want to simulate switching directly between two places or an entire route of waypoints: both are ...
Workflow

Testing push notifications on the iOS simulator

Testing push notifications in the iOS simulator make adding support for remote notifications much more effortless. You often must iterate a lot to verify that your code is working as expected. After gaining permission to receive push notifications in your app, you can start testing out several notifications. Xcode's Simulator ...
Workflow

Side Projects: 10 Tips for being successful

It's common to have a side project as an engineer since we can build our ideas. At the same time, it's also trending to start a new project before you've finished the previous one. You could say there's a graveyard of many side projects that didn't reach the public. While ...
OptimizationWorkflow

Full-screen development with Xcode and the Simulator

While developing apps it's important to create focus to get in your flow and speed up development. Full-screen mode can help to keep your focus without any distraction from other apps. Up until Xcode 12 full-screen support was hidden behind a user defaults flag. With the latest version of Xcode, ...
Workflow

Introducing GitBuddy: Changelog and Release manager for GitHub

It's been a few months since we released the initial version of GitBuddy but it's the right time now to tell you all about our new best friend. We've been testing it intensively by making use of it in all our iOS related open-source projects at WeTransfer to create and ...
Workflow

4 Tips to make it easier to fix crashes and bugs

Each app comes with performance issues, crashes, and bugs to fix. Although we try our very best we will always end up with unforeseen issues. Even when your app runs smoothly on your device, all tests succeed and QA green lights your build. Therefore, we can all use some tips ...
OptimizationWorkflow