Data Persistence

NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];

[userDefaults setBool:YES forKey:@"Key1"];
[userDefaults setInteger:123 forKey:@"Key2"];
[userDefaults setObject:@"Some Object" forKey:@"Key3"];

[userDefaults boolForKey:@"Key1"];
[userDefaults integerForKey:@"Key2"];
[userDefaults objectForKey:@"Key3"];

[userDefaults synchronize];


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NSArray *fruits = @[@"Apple", @"Mango", @"Pineapple", @"Plum", @"Apricot"];

NSString *filePathFruits = [documents stringByAppendingPathComponent:@"fruits.plist"];
[fruits writeToFile:filePathFruits atomically:YES];

NSDictionary *miscDictionary = @{@"anArray" : fruits, @"aNumber" : @12345, @"aBoolean" : @YES};

NSString *filePathDictionary = [documents stringByAppendingPathComponent:@"misc-dictionary.plist"];
[miscDictionary writeToFile:filePathDictionary atomically:YES];

NSArray *loadedFruits = [NSArray arrayWithContentsOfFile:filePathFruits];
NSLog(@"Fruits Array > %@", loadedFruits);

NSDictionary *loadedMiscDictionary = [NSDictionary dictionaryWithContentsOfFile:filePathDictionary];
NSLog(@"Misc Dictionary > %@", loadedMiscDictionary);