Resizing UIScrollView's contentInset & scrollIndicatorInsets properties to accommodate the keyboard.

ContentViewController.m

//
//  ContentViewController.m
//
//  Created by Johnnie Walker on 07/06/2013.
//

#import "ContentViewController.h"

@interface ContentViewController () <UITableViewDataSource, UITableViewDelegate>
@property (nonatomic, weak) UITableView *tableView;
@end

NSString * const CellID = @"CellID";

@implementation ContentViewController

- (void)loadView {
    UITableView *tableView = [[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame] style:UITableViewStylePlain];
    tableView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
    tableView.delegate = self;
    tableView.dataSource = self;
    
    [tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:CellID];
    
    self.view = tableView;
    self.tableView = tableView;
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
    [nc addObserver:self
           selector:@selector(keyboardWillShow:)
               name:UIKeyboardWillShowNotification object:nil];
    
    [nc addObserver:self
           selector:@selector(keyboardWillHide:)
               name:UIKeyboardWillHideNotification object:nil];
}

- (void)viewDidDisappear:(BOOL)animated {
    [super viewDidDisappear:animated];
    
    NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
    [nc removeObserver:self
                  name:UIKeyboardWillShowNotification
                object:nil];
    [nc removeObserver:self
                  name:UIKeyboardWillHideNotification
                object:nil];
}

#pragma mark - Keyboard

- (void)keyboardWillShow:(NSNotification*)aNotification {
    NSDictionary* info = [aNotification userInfo];
    CGSize keyboardSize = [[info objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue].size;
    
    UIEdgeInsets contentInsets = UIEdgeInsetsMake(0.0, 0.0, keyboardSize.height, 0.0);
    NSTimeInterval duration = [[info objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];
    
    [UIView animateWithDuration:duration
                          delay:0
                        options:UIViewAnimationOptionBeginFromCurrentState
                     animations:^{
                         self.tableView.contentInset = contentInsets;
                         self.tableView.scrollIndicatorInsets = contentInsets;
                         [self.tableView setNeedsDisplay];
                     }
                     completion:nil];
}

- (void)keyboardWillHide:(NSNotification*)aNotification {
    UIEdgeInsets contentInsets = UIEdgeInsetsZero;
    
    NSDictionary* info = [aNotification userInfo];
    NSTimeInterval duration = [[info objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];
    
    [UIView animateWithDuration:duration
                          delay:0
                        options:UIViewAnimationOptionBeginFromCurrentState
                     animations:^{
                         self.tableView.contentInset = contentInsets;
                         self.tableView.scrollIndicatorInsets = contentInsets;
                     }
                     completion:nil];
}

#pragma mark - UITableViewDataSource

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return 10;
}

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

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellID];
    
    cell.textLabel.text = [NSString stringWithFormat:@"%i, %i", indexPath.section, indexPath.row];
    
    return cell;
}

@end