objective-c : make basic table view with custom background and jason data v.1

snippet.m

//make basic table view with custom background and jason data

//AppDelegate.h
@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;
@property (readonly, nonatomic) NSArray* sandwiches;

@end


//AppDelegate.m
@implementation AppDelegate
{
    NSArray* _sandwiches;
}

#define debug 1

- (NSArray *)sandwiches {
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    return _sandwiches;
}


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    [self loadSandwiches];
    return YES;
}


- (void)loadSandwiches {
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    NSString* path = [[NSBundle mainBundle] pathForResource: @"Sandwiches"
                                                     ofType: @"json"];
    NSString* data = [NSString stringWithContentsOfFile: path
                                               encoding: NSUTF8StringEncoding
                                                  error: nil];  
    NSData* resultData = [data dataUsingEncoding:NSUTF8StringEncoding];
    _sandwiches = [NSJSONSerialization JSONObjectWithData:resultData
                                                       options:kNilOptions
                                                         error:nil];
}

@end


//SanwichesViewController.h
@interface SandwichesViewController : UITableViewController

@end



//SanwichesViewController.m
#import "SanwichesViewController.h"
#import "SandwichViewController.h"
#import "AppDelegate.h"

@interface SandwichesViewController ()

@end

@implementation SandwichesViewController

#define debug 1

- (NSArray*) sandwiches
{
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
    return appDelegate.sandwiches; //sandwiches 배열
}

- (void)viewDidLoad {
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    [super viewDidLoad];
    
    //헤더 뷰 및 백그라운드 뷰 설정
    UIView* headerView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 350)];
    headerView.backgroundColor = [UIColor clearColor];
    
    UIImageView* header = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Sarnie"]];
    header.center = CGPointMake(220, 190);
    [headerView addSubview:header];
    
    self.tableView.tableHeaderView = headerView;
    
    [self.tableView setBackgroundView:[[UIImageView alloc]
                                           initWithImage:[UIImage imageNamed:@"Background-LowerLayer"]]];
}


#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    return [self sandwiches].count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    
    static NSString *CellIdentifier = @"Cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath];
    cell.backgroundColor = [UIColor colorWithWhite:1.0f alpha:0.5f];
    
    NSDictionary* sandwich = (NSDictionary*)[self sandwiches][indexPath.row];
    cell.textLabel.text = sandwich[@"title"];
    
    return cell;
}

@end


//SandwichViewController.h
@interface SandwichViewController : UIViewController

@end


//SandwichViewController.m
@interface SandwichViewController ()

@property (weak, nonatomic) IBOutlet UIBarButtonItem *closeButton;

@end

@implementation SandwichViewController

#define debug 1

- (void)viewDidLoad
{
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    [super viewDidLoad];
}


#pragma mark - 버튼 액션 메소드

- (IBAction)closeButtonTapped:(id)sender {
    if (debug==1) {NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd));}
    [self dismissViewControllerAnimated:YES completion:nil];
}

@end