Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Secrets of launch arguments (iOS)
Search
Kishikawa Katsumi
January 15, 2014
Programming
16
13k
Secrets of launch arguments (iOS)
Tips of launch arguments for iOS development.
Kishikawa Katsumi
January 15, 2014
Tweet
Share
More Decks by Kishikawa Katsumi
See All by Kishikawa Katsumi
iOSDC 2024 SMBファイル共有をSwiftで実装する
kishikawakatsumi
1
250
Enhancing Applications with Accessibility API
kishikawakatsumi
3
4.5k
Mastering SwiftSyntax
kishikawakatsumi
4
6.7k
My SwiftData Review
kishikawakatsumi
7
1.5k
Swift Expression Macros: a practical introduction
kishikawakatsumi
3
2k
Xcode Cloudの評価
kishikawakatsumi
2
1.4k
Regular expressions basics/正規表現の基本
kishikawakatsumi
7
800
家のいろいろな数値を計測する
kishikawakatsumi
4
2.3k
GitHub Actionsでテストの結果をわかりやすく表示する
kishikawakatsumi
1
1.3k
Other Decks in Programming
See All in Programming
フロントエンドのmonorepo化と責務分離のリアーキテクト
kajitack
2
160
The state patternの実践 個人開発で培ったpractice集
miyanokomiya
0
160
さようなら Date。 ようこそTemporal! 3年間先行利用して得られた知見の共有
8beeeaaat
2
1.3k
個人軟體時代
ethanhuang13
0
310
私の後悔をAWS DMSで解決した話
hiramax
4
190
Design Foundational Data Engineering Observability
sucitw
3
160
go test -json そして testing.T.Attr / Kyoto.go #63
utgwkk
2
260
🔨 小さなビルドシステムを作る
momeemt
3
660
Testing Trophyは叫ばない
toms74209200
0
670
ECS初心者の仲間 – TUIツール「e1s」の紹介
keidarcy
0
150
複雑なドメインに挑む.pdf
yukisakai1225
5
980
旅行プランAIエージェント開発の裏側
ippo012
2
850
Featured
See All Featured
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
8
520
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
7
840
How to Ace a Technical Interview
jacobian
279
23k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.6k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
23
1.4k
GitHub's CSS Performance
jonrohan
1032
460k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
1.5k
Building Adaptive Systems
keathley
43
2.7k
Visualization
eitanlees
148
16k
Six Lessons from altMBA
skipperchong
28
4k
Docker and Python
trallard
45
3.5k
BBQ
matthewcrist
89
9.8k
Transcript
4FDSFUTPGMBVODIBSHVNFOUT J04
None
#import <UIKit/UIKit.h> ! #import "AppDelegate.h" ! int main(int argc, char
* argv[]) { @autoreleasepool { return UIApplicationMain( argc, argv, nil, NSStringFromClass([AppDelegate class])); } }
int main(int argc, char * argv[]) w BSHDDPOUBJOTUIFOVNCFSPGBSHVNFOUT w BSHWJTBBSSBZPGBSHVNFOUT
int main(int argc, char * argv[]) { @autoreleasepool { for
(int count = 0; count < argc; count++) { NSLog(@"argv[%d] = %s", count, argv[count]); } ! return UIApplicationMain( argc, argv, nil, NSStringFromClass([AppDelegate class])); } } => argv[0] = /Users/kishikawakatsumi/Library/Application Support/iPhone Simulator/7.0.3-64/Applications/ 55179656-7577-4C46-AE05-6D83E25EC2CD/Arguments.app/Arguments argv[1] = foo argv[2] = bar
/41SPDFTT*OGP
- (void)viewDidLoad { [super viewDidLoad]; NSProcessInfo *processInfo = [NSProcessInfo processInfo];
! NSLog(@"%@", processInfo.arguments); } => ( "/Users/kishikawakatsumi/Library/Application Support/iPhone Simulator/7.0.3-64/Applications/55179656-7577-4C46- AE05-6D83E25EC2CD/Arguments.app/Arguments", foo, bar )
/46TFS%FGBVMUT
$POWFOUJPOT LFZWBMVFLFZ5XPXPSE w BLFZTUBSUTXJUI w 2VPUFWBMVFTJGNPSFUIBOPOFXPSET
None
- (void)viewDidLoad { [super viewDidLoad]; NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
NSLog(@"%@", [userDefaults stringForKey:@"foo"]); NSLog(@"%@", [userDefaults stringForKey:@"baz"]); } => bar qux quux
None
- (void)viewDidLoad { [super viewDidLoad]; NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
NSLog(@"%d", [userDefaults boolForKey:@"boolArg"]); NSLog(@"%d", [userDefaults integerForKey:@"intArg"]); NSLog(@"%f", [userDefaults floatForKey:@"floatArg"]); NSLog(@"%@", [userDefaults stringForKey:@"stringArg"]); } => 1 18 3.141590 foo bar
$BOQBTTNPSFDPNQMFY EBUBUZQFT
"SSBZ BSSBZ"SH GPP CBS CB[
None
- (void)viewDidLoad { [super viewDidLoad]; NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
NSLog(@"%@", [userDefaults objectForKey:@"arrayArg"]); } => ( foo, bar, baz )
%JDUJPOBSZ EJDU"SH\GPPCBSCB[RVY^ => { baz = qux; foo = bar;
}
1MJTUGPSNBU \GPPCBSCB[RVY^ GPP CBS CB[ "SSBZ %JDUJPOBSZ
.PSFDPNQMFYFYBNQMF QMJTU"SH\GPPCBSBSSBZ GPP \CBSCB[^ ^ => { array = (
foo, { bar = baz; } ); foo = bar; }
9.-QMJTUGPSNBU YNM"SHlEJDULFZGPPLFZTUSJOHCBS TUSJOHLFZCB[LFZTUSJOHRVYTUSJOHEJDU => { baz = qux; foo =
bar; }
5IFNBHJDUSJDLPG b"QQMF-BOHVBHFT FT ` IUUQOTIJQTUFSDPNMBVODIBSHVNFOUTBOEFOWJSPONFOUWBSJBCMFT
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults]; NSLog(@"%@", [userDefaults dictionaryRepresentation]); => {
... ! AppleLanguages = ( ja, en, fr, ... ); ! ... ! }
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults]; NSLog(@"%@", [userDefaults dictionaryRepresentation]); => {
... ! AppleLanguages = ( es ); ! ... ! } b"QQMF-BOHVBHFT FT `NFBOT PWFSSJEJOH/46TFS%FGBVMUTUFNQPSBSJMZ b FT `JTBSSBZPGMBOHVBHFDPEFT