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1-
- (void) viewDidLoad
1+
- (void) viewDidLoad
2-
{
2+
{
3-
    [super viewDidLoad];
3+
    [super viewDidLoad];
4-
4+
5-
    UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
5+
    UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];

6-
    [refreshControl addTarget:self action:@selector(doLoad) forControlEvents:UIControlEventValueChanged];
6+
    [refreshControl addTarget:self action:@selector(doLoad) forControlEvents:UIControlEventValueChanged];

7-
    self.refreshControl = refreshControl;
7+
    self.refreshControl = refreshControl;

8-
}
8+
9-
9+
10-
- (void) doLoad
10+
- (void) doLoad

11-
{
11+
{

12-
    dispatch_async(dispatch_get_global_queue(0, 0), ^{
12+
    dispatch_async(dispatch_get_global_queue(0, 0), ^{

13-
            // Instead of sleeping, I do a webrequest here.
13+
            // Instead of sleeping, I do a webrequest here.

14-
            [NSThread sleepForTimeInterval: 5];
14+
            [NSThread sleepForTimeInterval: 5];

15-
15+
16-
            dispatch_async(dispatch_get_main_queue(), ^{
16+
            dispatch_async(dispatch_get_main_queue(), ^{

17-
                [tableView reloadData];
17+
                [tableView reloadData];

18-
                [self.refreshControl endRefreshing];
18+
                [self.refreshControl endRefreshing];

19-
            });
19+
            });

20-
    });
20+
    });

21
}

22
	

23-
- (void)viewDidAppear:(BOOL)animated
23+
- (void)viewDidAppear:(BOOL)animated

24-
{
24+
{

25-
    [super viewDidAppear:animated];
25+
    [super viewDidAppear:animated];

26-
    [self.refreshControl beginRefreshing];
26+
    [self.refreshControl beginRefreshing];

27
}

28
	

29-
- (void) viewWillAppear: (BOOL) animated
29+
- (void) viewWillAppear: (BOOL) animated

30-
{
30+
{

31-
    [super viewWillAppear: animated];
31+
    [super viewWillAppear: animated];

32-
32+
33-
    self.tableView.contentOffset = CGPointMake(0, -self.refreshControl.frame.size.height);
33+
    self.tableView.contentOffset = CGPointMake(0, -self.refreshControl.frame.size.height);

34-
    [self.refreshControl beginRefreshing];    
34+
    [self.refreshControl beginRefreshing];    

35-
35+
36-
    // kick off your async refresh!
36+
    // kick off your async refresh!

37-
    [self doLoad];
37+
    [self doLoad];

38
}

39
	

40-
@interface TSTableViewController : UITableViewController
40+
@interface TSTableViewController : UITableViewController

41
@end

42
	

43-
#import "TSTableViewController.h"
43+
#import "TSTableViewController.h"

44-
44+
45-
@implementation TSTableViewController
45+
@implementation TSTableViewController

46-
{
46+
{

47-
    NSMutableArray*    _dataItems;
47+
    NSMutableArray*    _dataItems;

48-
}
48+
49-
49+
50-
- (void) viewDidLoad
50+
- (void) viewDidLoad

51-
{
51+
{

52-
    [super viewDidLoad];
52+
    [super viewDidLoad];

53-
53+
54-
    self.refreshControl = [UIRefreshControl new];
54+
    self.refreshControl = [UIRefreshControl new];

55-
55+
56-
    [self.refreshControl addTarget: self
56+
    [self.refreshControl addTarget: self

57-
                            action: @selector( onRefresh: )
57+
                            action: @selector( onRefresh: )

58-
                  forControlEvents: UIControlEventValueChanged];
58+
                  forControlEvents: UIControlEventValueChanged];

59-
}
59+
60-
60+
61-
- (void) viewWillAppear:(BOOL)animated
61+
- (void) viewWillAppear:(BOOL)animated

62-
{
62+
{

63-
    [super viewWillAppear: animated];
63+
    [super viewWillAppear: animated];

64-
64+
65-
    self.tableView.contentOffset = CGPointMake(0, -self.refreshControl.frame.size.height);
65+
    self.tableView.contentOffset = CGPointMake(0, -self.refreshControl.frame.size.height);

66-
66+
67-
    [self.refreshControl beginRefreshing];
67+
    [self.refreshControl beginRefreshing];

68-
    [self onRefresh: nil];
68+
    [self onRefresh: nil];

69-
}
69+
70-
70+
71-
- (void) onRefresh: (id) sender
71+
- (void) onRefresh: (id) sender

72-
{
72+
{

73-
    double delayInSeconds = 2.0;
73+
    double delayInSeconds = 2.0;

74-
    dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC));
74+
    dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC));

75-
    dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
75+
    dispatch_after(popTime, dispatch_get_main_queue(), ^(void){

76-
76+
77-
        _dataItems = [NSMutableArray new];
77+
        _dataItems = [NSMutableArray new];

78-
78+
79-
        for ( int i = 0 ; i < arc4random() % 100 ; i++ )
79+
        for ( int i = 0 ; i < arc4random() % 100 ; i++ )

80-
        {
80+
        {

81-
            CFUUIDRef uuid = CFUUIDCreate( NULL );
81+
            CFUUIDRef uuid = CFUUIDCreate( NULL );

82-
82+
83-
            [_dataItems addObject: CFBridgingRelease(CFUUIDCreateString( NULL, uuid)) ];
83+
            [_dataItems addObject: CFBridgingRelease(CFUUIDCreateString( NULL, uuid)) ];

84-
84+
85-
            CFRelease( uuid );
85+
            CFRelease( uuid );

86-
        }
86+
        }

87-
87+
88-
        [self.refreshControl endRefreshing];
88+
        [self.refreshControl endRefreshing];

89-
89+
90-
        [self.tableView reloadData];
90+
        [self.tableView reloadData];

91-
    });
91+
    });

92-
}
92+
93-
93+
94-
#pragma mark - Table view data source
94+
#pragma mark - Table view data source

95-
95+
96-
- (NSInteger) numberOfSectionsInTableView: (UITableView *) tableView
96+
- (NSInteger) numberOfSectionsInTableView: (UITableView *) tableView

97-
{
97+
{

98-
    return 1;
98+
    return 1;

99-
}
99+
100-
100+
101-
- (NSInteger) tableView:(UITableView *) tableView numberOfRowsInSection: (NSInteger) section
101+
- (NSInteger) tableView:(UITableView *) tableView numberOfRowsInSection: (NSInteger) section

102-
{
102+
{

103-
    return _dataItems.count;
103+
    return _dataItems.count;

104-
}
104+
105-
105+
106-
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
106+
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

107-
{
107+
{

108-
    UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleDefault
108+
    UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleDefault

109-
                                                   reuseIdentifier: nil];
109+
                                                   reuseIdentifier: nil];

110-
110+
111-
    cell.textLabel.text = [_dataItems objectAtIndex: indexPath.row];
111+
    cell.textLabel.text = [_dataItems objectAtIndex: indexPath.row];

112-
112+
113-
    return cell;
113+
    return cell;

114-
}
114+
115-
115+
116
@end

117
	

118-
- (void) viewDidAppear: (BOOL) animated
118+
- (void) viewDidAppear: (BOOL) animated

119-
   {
119+
   {

120-
          [super viewDidAppear: animated];
120+
          [super viewDidAppear: animated];

121-
          UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
121+
          UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];

122-
          [refreshControl addTarget:self action:@selector(doLoad) forControlEvents:UIControlEventValueChanged];
122+
          [refreshControl addTarget:self action:@selector(doLoad) forControlEvents:UIControlEventValueChanged];

123-
          self.refreshControl = refreshControl;
123+
          self.refreshControl = refreshControl;

124-
          [self.refreshControl beginRefreshing];    
124+
          [self.refreshControl beginRefreshing];    

125-
125+
126
   }
        

    


            


                                


        

            



                
    

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