Bryce Bostwickhttps://bryce.co/Recent content on Bryce BostwickHugo -- gohugo.ioen-usSat, 31 Jan 2026 00:00:00 -0800How Apple Hooks Entire Frameworkshttps://bryce.co/swizzle-everything/Sat, 31 Jan 2026https://bryce.co/swizzle-everything/Apple’s Widget Backdoorhttps://bryce.co/widget-animations/Sun, 11 May 2025https://bryce.co/widget-animations/Debugging An Undebuggable Apphttps://bryce.co/undebuggable/Mon, 20 Jan 2025https://bryce.co/undebuggable/This app has a surprising number of anti-debugging protections. Let's figure out how to bypass them.Customizing the NYT Games App for my Weddinghttps://bryce.co/wedding-games/Fri, 06 Sep 2024https://bryce.co/wedding-games/Tricking iOS Into Animating App Iconshttps://bryce.co/animated-app-icons/Mon, 27 May 2024https://bryce.co/animated-app-icons/Dive into iOS' alternate app icons system to build the weirdest homescreen experience yet!Hacking Disneyland's App to fix a UI Freezehttps://bryce.co/disney-freeze/Wed, 06 Mar 2024https://bryce.co/disney-freeze/Modding Plugins back into Xcodehttps://bryce.co/xcode-plugin-loader/Thu, 22 Feb 2024https://bryce.co/xcode-plugin-loader/Adding plugin support to Xcode 14+, the hard wayReverse Engineering TikTok to only show Cat Videoshttps://bryce.co/cattok/Fri, 15 Dec 2023https://bryce.co/cattok/Removing Randomness with LLDBhttps://bryce.co/lldb-remove-randomness/Sun, 23 Jul 2023https://bryce.co/lldb-remove-randomness/Use LLDB to bypass randomness without leaving your debugger.Unrestricted View Replicationhttps://bryce.co/replicating-views/Mon, 07 Nov 2022https://bryce.co/replicating-views/Showing multiple copies of a single UIView instance is surprisingly difficult, and probably requires more time travel than you would expect.Convincing Xcode to Map Vim Keyshttps://bryce.co/xcode-vim-map/Tue, 03 Aug 2021https://bryce.co/xcode-vim-map/Figuring out how to politely ask some Xcode functions to respect my vim settings.Abusing iOS’ Screenshot Cropping Mechanismhttps://bryce.co/screenshot-cropping/Tue, 25 Aug 2020https://bryce.co/screenshot-cropping/Learn how iOS' screenshot snapping functionality works, and the extremes to which the system can be brought.Toggling iOS Render Debug Options Without a Computerhttps://bryce.co/on-device-render-debugging/Mon, 15 Jun 2020https://bryce.co/on-device-render-debugging/Color Blended Layers, Offscreen-Rendered, and more — all without Xcode.Non-Numeric App Badges on iOShttps://bryce.co/non-numeric-app-badges/Mon, 27 Apr 2020https://bryce.co/non-numeric-app-badges/Using a Private API to add more context to iOS App Badges.How to Swizzle All of UIKithttps://bryce.co/swizzle-all-uikit/Mon, 13 Apr 2020https://bryce.co/swizzle-all-uikit/Learn how shared logic can be added to tens of thousands of methods.Configuring the Main Thread Checkerhttps://bryce.co/main-thread-checker-configuration/Thu, 02 Apr 2020https://bryce.co/main-thread-checker-configuration/Make the Main Thread Checker work better for your project.Fast Method Stubbing From LLDBhttps://bryce.co/lldb-method-stubbing/Mon, 17 Feb 2020https://bryce.co/lldb-method-stubbing/Using `thread return` to stub out methods on iOS, and finding more performant options.Running XPC Activities On Demandhttps://bryce.co/running-xpc-activities-on-demand/Mon, 06 Jan 2020https://bryce.co/running-xpc-activities-on-demand/XPC Activities, dasd, and the goal of not having to wait for a predefined schedule.Recreating iMessage Confettihttps://bryce.co/recreating-imessage-confetti/Sun, 24 Nov 2019https://bryce.co/recreating-imessage-confetti/A step-by-step recreation of iMessage's Confetti implementation using CAEmitterBehavior.CAEmitterBehaviorhttps://bryce.co/caemitterbehavior/Mon, 04 Nov 2019https://bryce.co/caemitterbehavior/Learn about CAEmitterBehavior, an undocumented class that makes CAEmitterLayer a lot more powerful.