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@ddunbar
ddunbar / xcbuild-debugging-tricks.md
Last active September 16, 2024 08:54
Xcode new build system debugging tricks

New Build System Tricks

Command Line

alias xcbuild=$(xcode-select -p)/../SharedFrameworks/XCBuild.framework/Versions/A/Support/xcbuild
# THIS DOESNT WORK YET: xcbuild openIDEConsole  # … then switch to Xcode ➡️
xcbuild showSpecs
xcbuild build <foo.pif> [—target <target>]
@fbeeper
fbeeper / easyiossymbolication
Last active September 15, 2023 11:01
Looking for an easy way to symbolicate crashes?
#!/bin/bash
#
# Fool'n'Lazy-Proof iOS .crash Symbolication
#
# Just run this script on a folder with your `.ipa`, the corresponding `.dSYM`,
# and (1+) `.crash` files. Will output symbolicated `sym-*.crash`es for you.
#
# Copyright (c) 2016 Ferran Poveda (@fbeeper)
# Provided under MIT License (MIT): http://choosealicense.com/licenses/mit/
@quinntaylor
quinntaylor / CompilerCheckedKeyPaths.h
Created November 13, 2014 06:14
Code for getting compiler check on key paths, more accurate than using NSStringFromSelector(@selector(foo)).
// See http://nshipster.com/key-value-observing/
// Put this code a common utilities header, and use it to have the compiler help check correctness of key paths.
// Uses macro stringification to create an Obj-C string literal, plus validation code that the compiler optimizes out.
@interface NSObject (KeyPathFakeCategoryForCompilerWarnings)
+ (instancetype)__fake_method_for_compiler_warnings__;
- (instancetype)__fake_method_for_compiler_warnings__;
@end
/*! Returns a string for the given keypath, but causes a compiler warning if the keypath is not defined on \c self.
/**
Provides the ability to verify key paths at compile time.
If "keyPath" does not exist, a compile-time error will be generated.
Example:
// Verifies "isFinished" exists on "operation".
NSString *key = SQKeyPath(operation, isFinished);
// Verifies "isFinished" exists on self.
@steipete
steipete / CaseInsensitiveDictionary.m
Created December 1, 2013 19:12
Implemented as a category on NSDictionary.
static Boolean PSPDFCaseInsensitiveEqualCallback(const void *a, const void *b) {
id objA = (__bridge id)a, objB = (__bridge id)b;
Boolean ret = FALSE;
if ([objA isKindOfClass:NSString.class] && [objB isKindOfClass:NSString.class]) {
ret = ([objA compare:objB options:NSCaseInsensitiveSearch|NSLiteralSearch] == NSOrderedSame);
}else {
ret = [objA isEqual:objB];
}
return ret;
}
@steventroughtonsmith
steventroughtonsmith / gist:6763213
Created September 30, 2013 12:39
Non-opaque application windows in iOS 7, with optional blur. Shows the user's wallpaper under the app, with Parallax if supported.
typedef enum _UIBackgroundStyle {
UIBackgroundStyleDefault,
UIBackgroundStyleTransparent,
UIBackgroundStyleLightBlur,
UIBackgroundStyleDarkBlur,
UIBackgroundStyleDarkTranslucent
} UIBackgroundStyle;
@interface UIApplication (UIBackgroundStyle)
-(void)_setBackgroundStyle:(UIBackgroundStyle)style;
@mattt
mattt / uiappearance-selector.md
Last active September 24, 2024 12:59
A list of methods and properties conforming to `UIAppearance` as of iOS 12 Beta 3

Generate the list yourself:

$ cd /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS*.sdk/System/Library/Frameworks/UIKit.framework/Headers
$ grep UI_APPEARANCE_SELECTOR ./*     | \
  sed 's/NS_AVAILABLE_IOS(.*)//g'     | \
  sed 's/NS_DEPRECATED_IOS(.*)//g'    | \
  sed 's/API_AVAILABLE(.*)//g'        | \
  sed 's/API_UNAVAILABLE(.*)//g'      | \
 sed 's/UI_APPEARANCE_SELECTOR//g' | \
@subdigital
subdigital / pns.m
Created January 5, 2013 21:59
What are your favorite Xcode Snippets? Add them in the comments.
// Property Nonatomic Strong
// Platform: All
// Completion Scopes: ClassInterfaceMethods
@property (nonatomic, strong) <# class_name #> *<# variable_name #>;
@piscisaureus
piscisaureus / pr.md
Created August 13, 2012 16:12
Checkout github pull requests locally

Locate the section for your github remote in the .git/config file. It looks like this:

[remote "origin"]
	fetch = +refs/heads/*:refs/remotes/origin/*
	url = [email protected]:joyent/node.git

Now add the line fetch = +refs/pull/*/head:refs/remotes/origin/pr/* to this section. Obviously, change the github url to match your project's URL. It ends up looking like this:

@dpettigrew
dpettigrew / UIButton+AFNetworking.h
Created June 13, 2012 19:11
UIButton Category for AFNetworking adds - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholderImage forState:(UIControlState)state
//
// UIButton+AFNetworking.h
//
// Created by David Pettigrew on 6/12/12.
// Copyright (c) 2012 ELC Technologies. All rights reserved.
//
// Based upon UIImageView+AFNetworking.h
//
// Copyright (c) 2011 Gowalla (http://gowalla.com/)