iOS 编程：UIRefreshControl

UIRefreshControl

示例代码：

@implementation MyViewController
{
    UIRefreshControl * refreshControl;
}

- (void)viewDidLoad {
    [super viewDidLoad];

    // 刷新控件
    refreshControl = [[UIRefreshControl alloc] init];
    [refreshControl addTarget:self action:@selector(refreshCallback) forControlEvents:UIControlEventValueChanged];
    [self.tableView addSubview:refreshControl];

    [self prepareDemoData];
}

#pragma mark - IBActions

// 刷新控件触发方法
-(void) refreshCallback
{
    // Run job...
    [_tableView reloadData];
    [refreshControl endRefreshing];
}

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