TableView - Stuff

gistfile1.m

//
//  ViewController.m
//  ReappearingNavigationBarSample
//
//  Created by Osama Khalid on 25/03/2015.
//  Copyright (c) 2015 Folio3. All rights reserved.
//

#import "ViewController.h"

@interface ViewController () <UITableViewDataSource, UITableViewDelegate> {
    BOOL hidden;
}
@property (weak, nonatomic) IBOutlet UITableView *tableView;
@end

@implementation ViewController
@synthesize tableView = _tableView;

- (void)viewDidLoad {
    [super viewDidLoad];
    [self.navigationController.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
    self.navigationController.navigationBar.shadowImage = [UIImage new];
    self.navigationController.navigationBar.translucent = YES;
    self.tableView.contentInset = UIEdgeInsetsMake(-64,0,0,0);
    hidden = YES;
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark - Table View

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return 30;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.row == 0)
        return 200;
    
    return 44;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell * cell = nil;
    if (indexPath.row == 0) {
        cell = [tableView dequeueReusableCellWithIdentifier:@"PictureCell"];
    } else {
        cell = [tableView dequeueReusableCellWithIdentifier:@"ExampleCell"];
        cell.textLabel.text = @"Hello";
        cell.detailTextLabel.text = @"Some detail";
    }
    return cell;
}

- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
    if (scrollView.contentOffset.y > 150) {
        if (hidden) {
            NSLog(@"Y: %.1f", scrollView.contentOffset.y);
            hidden = NO;
            [self.navigationController.navigationBar setBackgroundImage:nil forBarMetrics:UIBarMetricsDefault];
            self.navigationController.navigationBar.shadowImage = nil;
            self.navigationController.navigationBar.translucent = NO;
        }
    } else {
        if (!hidden) {
            NSLog(@"Y: %.1f", scrollView.contentOffset.y);
            hidden = YES;
            [self.navigationController.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
            self.navigationController.navigationBar.shadowImage = [UIImage new];
            self.navigationController.navigationBar.translucent = YES;
        }
    }
}

@end