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Secrets of launch arguments (iOS)
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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
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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