Vidtion / ZJTPropertyHelper

ZJTPropertyHelper make property support NSUserDefaults storage with two lines of code.

ZJTPropertyHelper

ZJTPropertyHelper make property support NSUserDefaults storage with two lines of code.

Usage

PropertyManager

Extends from ZJTPropertyHelper,

For example, Define two properties Logined, Text.

#import "ZJTPropertyHelper.h"

@interface PropertyManager :ZJTPropertyHelper

/**
 *  @author PatrickCoin, 15-11-30 18:11:52
 *
 *  BOOL type
 */
BOOL_PROP_DEF(Logined)

/**
 *  @author PatrickCoin, 15-11-30 18:11:05
 *
 *  NSString type
 */
STRING_PROP_DEF(Text)

+(instancetype)sharedIncetance;

@end

implementation of PropertyManager,

@implementation PropertyManager

/**
 *  @author PatrickCoin, 15-12-01 10:12:12
 *
 *  implementation of Logined
 */
BOOL_PROP_IMPL(Logined)

/**
 *  @author PatrickCoin, 15-12-01 10:12:12
 *
 *  implementation of Text
 */
STRING_PROP_IMPL(Text)

+(instancetype)sharedIncetance
{
    static PropertyManager *incetance = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^
                  {
                      incetance = [[PropertyManager alloc] init];
                  });
    
    return incetance;
}

@end

Example

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self readText];
}

-(void)readText
{
    NSString *text = [[PropertyManager sharedIncetance] getText];
    
    if (text && text.length) {
        self.label.text = text;
    }
}

- (IBAction)saveData:(id)sender {
    NSString *text = self.textFiled.text;
    if (text && text.length) {
        [[PropertyManager sharedIncetance] setText:text];
        [self readText];
    }
}

@end