Peter Steinberger steipete
steipete
/ gist:504e79558d861211a3a9ff794e09c817
Created
May 20, 2020 07:47
Twitter crash on 12-inch MBP on macOS 10.15.4 stable
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| Process: Twitter [45863] | |
| Path: /Applications/Twitter.app/Contents/MacOS/Twitter | |
| Identifier: Twitter | |
| Version: 8.19 (8.19.1) | |
| App Item ID: 1482454543 | |
| App External ID: 835910359 | |
| Code Type: X86-64 (Native) | |
| Parent Process: ??? [1] | |
| Responsible: Twitter [45863] | |
| User ID: 501 |
steipete
/ boilerplate.swift
Created
May 15, 2020 21:18
— forked from chriseidhof/boilerplate.swift
QuickMacApp
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| // Run any SwiftUI view as a Mac app. | |
| import Cocoa | |
| import SwiftUI | |
| public func run<V: View>(view: V) { | |
| let delegate = AppDelegate(view) | |
| let app = NSApplication.shared | |
| NSApp.setActivationPolicy(.regular) | |
| app.mainMenu = app.customMenu |
steipete
/ gist:92f66ec9387e8e4c7c17ffebb0824a8e
Created
May 14, 2020 07:22
deciphering kernel debug=0x104c44
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| Need to run with csrutil disable or recovery | |
| sudo nvram boot-args="debug=0x104c44” | |
| 0x104c44 = 1 0000 0100 1100 0100 0100 | |
| DB_NMI 0x4 // changes the power-button to create a non-maskable interrupt? | |
| DB_ARP 0x40 // allows debugging across subnets via ARP? | |
| DB_KERN_DUMP_ON_PANIC 0x400 // Trigger core dump on panic |
steipete
/ FirebaseCoordinator.swift
Created
April 13, 2020 13:38
If you're as confused as I am that there's an API for custom options, yet Google still requires a file named GoogleService-Info.plist in your app, here's some swizzling that fixes that for ya. All Swift :)
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| class FirebaseCoordinator { | |
| static let shared = FirebaseCoordinator() | |
| static let initialize: Void = { | |
| /// We modify Google Firebase (and eventually Analytics) to load the mac-specific plist at runtime. | |
| /// Google enforces that we have a file named "GoogleService-Info.plist" in the app resources. | |
| /// This is unfortunate since we need two different files based on iOS and Mac version | |
| /// One solution is a custom build step that copies in the correct file: | |
| /// https://stackoverflow.com/questions/37615405/use-different-googleservice-info-plist-for-different-build-schemes | |
| /// However, this is basically impossible since Catalyst doesn't set any custom build variables, so detection is extremely difficult. | |
| /// We swizzle to modify the loading times. |
steipete
/ RuntimeScanner.swift
Last active
August 8, 2024 08:47
Runtime Scanner to find large ObjC encodings. Inspired by https://medium.com/@dmaclach/objective-c-encoding-and-you-866624cc02de - this code scans the runtime to find excessive Objective-C type encodings, usually created when you mix it with C++. We were able to reduce the binary size by 100KB with rewriting just a few methods that were extremel…
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| // | |
| // Copyright © 2020 PSPDFKit GmbH, Peter Steinberger. MIT Licensed. | |
| // | |
| import Foundation | |
| extension String { | |
| fileprivate init?(maybeCString: UnsafePointer<CChar>?) { | |
| guard let cString = maybeCString else { return nil } | |
| self.init(cString: cString) |
steipete
/ PSPDFPointerInteractionSupport.h
Created
March 26, 2020 14:27
Support Pointer Interactions while CI still running on Xcode 11.3
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| // | |
| // Copyright © 2020 PSPDFKit GmbH. All rights reserved. | |
| // | |
| // THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW | |
| // AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE PSPDFKIT LICENSE AGREEMENT. | |
| // UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES. | |
| // This notice may not be removed from this file. | |
| // | |
| #import <Foundation/Foundation.h> |
steipete
/ gist:cb92914494763b2ed5aa20e5dc589280
Created
February 21, 2020 19:46
Twitter crashes on macOS 10.15.4b2
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| Process: Twitter [12485] | |
| Path: /Applications/Twitter.app/Contents/MacOS/Twitter | |
| Identifier: maccatalyst.com.atebits.Tweetie2 | |
| Version: 8.9 (8.9) | |
| App Item ID: 1482454543 | |
| App External ID: 834769122 | |
| Code Type: X86-64 (Native) | |
| Parent Process: ??? [1] | |
| Responsible: Twitter [12485] | |
| User ID: 501 |
steipete
/ AppKitHelper.m
Created
December 9, 2019 23:15
Needed to implement Open Recent on Mac Catalyst. See https://speakerdeck.com/steipete/shipping-a-mac-catalyst-app-the-good-the-bad-and-the-ugly
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| @implementation UIImage (ResourceProxyHack) | |
| + (UIImage *)_iconForResourceProxy:(id)proxy format:(int)format { | |
| // HACK: proxy seems garbage so we always show PDF for now. | |
| let cgImage = [_bridge imageForFileType:@"pdf"]; | |
| // HACK: We use mainScreen here but could have multiple screens. | |
| let image = [UIImage imageWithCGImage:cgImage scale:UIScreen.mainScreen.scale orientation:UIImageOrientationUp]; | |
| return image; | |
| } |
steipete
/ AppKitHelper.m
Created
December 9, 2019 23:15
Needed to implement Open Recent on Mac Catalyst. See https://speakerdeck.com/steipete/shipping-a-mac-catalyst-app-the-good-the-bad-and-the-ugly
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| @implementation UIImage (ResourceProxyHack) | |
| + (UIImage *)_iconForResourceProxy:(id)proxy format:(int)format { | |
| // HACK: proxy seems garbage so we always show PDF for now. | |
| let cgImage = [_bridge imageForFileType:@"pdf"]; | |
| // HACK: We use mainScreen here but could have multiple screens. | |
| let image = [UIImage imageWithCGImage:cgImage scale:UIScreen.mainScreen.scale orientation:UIImageOrientationUp]; | |
| return image; | |
| } |
steipete
/ UIScreenDebugLLDB.txt
Last active
October 10, 2019 12:24
UIScreen on Catalyst is.. weird (tested with 10.15.0 GM). Reported as FB7364971
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| (lldb) po UIScreen.mainScreen | |
| <UIScreen: 0x119905f10; bounds = {{0, 0}, {960, 540}}; mode = <UIScreenMode: 0x600000290300; size = 1920.000000 x 1080.000000>> | |
| Display: 15,4-inch (2880 x 1800) | |
| Scaling set to max, so effectively 1920x1200 (virtual screen of 3840x2400) | |
| What I would expect: <UIScreen bounds = {{0, 0}, {1920, 1200}}; mode = <UIScreenMode: 0x600000290300; size = 3840.000000 x 2400.000000>> | |
| ------ |