Objective C - NSUserDefaults - Objective-C Full Tutorial

Objective-C - Objective C - NSUserDefaults

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Simple example For example: FOR SAVING: `NSUserDefaults prefs = [NSUserDefaults standardUserDefaults]; // saving an NSString [prefs setObject:txtUsername.text forKey:@"userName"]; [prefs setObject:txtPassword.text forKey:@"password"]; [prefs synchronize];` FOR RETRIEVING `NSUserDefaults prefs = [NSUserDefaults standardUserDefaults]; // getting an NSString NSString savedUsername = [prefs stringForKey:@"userName"]; NSString savedPassword = [prefs stringForKey:@"password"];`
Clear NSUserDefaults `NSString *appDomain = [[NSBundle mainBundle] bundleIdentifier]; [[NSUserDefaults standardUserDefaults] removePersistentDomainForName:appDomain];`

Simple example

For example:

FOR SAVING:


 NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];

  // saving an NSString
  [prefs setObject:txtUsername.text forKey:@"userName"];
  [prefs setObject:txtPassword.text forKey:@"password"];

  [prefs synchronize];

FOR RETRIEVING


 NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];

  // getting an NSString
 NSString *savedUsername = [prefs stringForKey:@"userName"];
 NSString *savedPassword = [prefs stringForKey:@"password"];

Clear NSUserDefaults

NSString *appDomain = [[NSBundle mainBundle] bundleIdentifier];
[[NSUserDefaults standardUserDefaults] removePersistentDomainForName:appDomain];

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https://develop.horje.com/learn/1434/reference