#uirefreshcontrol

[yogeshpatelios]

iOS Swift 5 Tutorial 2020: Pull to Refresh to a UITableView in iOS Hindi...

[anhphuong]

Basics of Pull to Refresh for Swift Developers - Andrew Bancroft

Implementing "pull to refresh" is a common need in iOS apps. Learn how to implement this feature with or without a UITableViewController.

Hướng dẫn rất chi tiết

[goodanswerbiz]

Fixed UIRefreshControl without UITableViewController #dev #it #asnwer

Fixed UIRefreshControl without UITableViewController #dev #it #asnwer

UIRefreshControl without UITableViewController

Just curious, as it doesn’t immediately seem possible, but is there a sneaky way to leverage the new iOS 6 UIRefreshControl class without using a UITableViewController subclass?

I often use a UIViewController with a UITableView subview and conform to UITableViewDataSource and UITableViewDelegate rather than using a UITableViewController outright.

Ans…

View On WordPress

[sevennet-blog]

How to: UIRefreshControl without UITableViewController

UIRefreshControl without UITableViewController

Just curious, as it doesn’t immediately seem possible, but is there a sneaky way to leverage the new iOS 6 UIRefreshControl class without using a UITableViewController subclass?

I often use a UIViewController with a UITableView subview and conform to UITableViewDataSource and UITableViewDelegate rather than using a UITableViewController outright.

Ans…

View On WordPress

[swiftdev]

UIRefreshControl funkiness

When using a UIRefreshControl on a UIScrollView that is being built with Interface Builder, must remember to set Simulated Metrics Size back to "Inferred" in order to get the UIRefreshControl to start working! 

[g8production]

iOS7 and UIRefreshControl in UIViewController (with UITableView)

A UIRefreshControl object provides a standard control that can be used to initiate the refreshing of a table view’s contents. 

If you are into a UITableViewController, you can use the refreshControl property like explained here.

But how can you use it programmatically? How can you change the tintColor? How can you change the attributeTitle color? If you wanna use the UIRefreshControl into a UIViewController that has a UITableView inside... and if you are using iOS7... you can do it writing the code below.

How you can see, the best solution is to put the UIRefreshControl into a UIView, so the UIRefreshControl not goes under the top bar.

@interface MyViewController () { UIRefreshControl *refreshControl; } @property (weak, nonatomic) IBOutlet UITableView *tableView; @end @implementation MyViewController - (void)viewDidLoad { [super viewDidLoad]; UIView *refreshView = [[UIView alloc] initWithFrame:CGRectMake(0, 55, 0, 0)]; [self.tableView insertSubview:refreshView atIndex:0]; //the tableView is a IBOutlet refreshControl = [[UIRefreshControl alloc] init]; refreshControl.tintColor = [UIColor redColor]; [refreshControl addTarget:self action:@selector(reloadDatas) forControlEvents:UIControlEventValueChanged]; /* NSMutableAttributedString *refreshString = [[NSMutableAttributedString alloc] initWithString:@"Pull To Refresh"]; [refreshString addAttributes:@{NSForegroundColorAttributeName : [UIColor grayColor]} range:NSMakeRange(0, refreshString.length)]; refreshControl.attributedTitle = refreshString; */ [refreshView addSubview:refreshControl]; } -(void)reloadDatas { //update here... [refreshControl endRefreshing]; } @end

That's all.

[hkbenchan]

UIRefreshControl on iOS7 translucent navigation bar

When using the UIRefreshControl on iOS 7 translucent navigation bar, the refresh spinner is located right under the translucent nav bar.

Possible fix:

First extends UIRefreshControl,

then override the layoutSubView method

- (void)layoutSubviews {

    [super layoutSubviews];

    // getting containing scrollView

    UIScrollView *scrollView = (UIScrollView *)self.superview;

    // saving present top contentInset, because it can be changed by refresh control

    if (!topContentInsetSaved) {

topContentInset = scrollView.contentInset.top;

        topContentInsetSaved = YES;

    }

    // saving own frame, that will be modified

CGRect newFrame = self.frame;

    // if refresh control is fully or partially behind UINavigationBar

if (scrollView.contentOffset.y + topContentInset > -newFrame.size.height) {

        // moving it with the rest of the content

        newFrame.origin.y = -newFrame.size.height;

        // if refresh control fully appeared

    } else {

        // keeping it at the same place

        newFrame.origin.y = scrollView.contentOffset.y + topContentInset;

    }

    // applying new frame to the refresh control

self.frame = newFrame;

}

As well as declare this in the .m file

@implementation MyRefreshControl {

CGFloat topContentInset;

BOOL topContentInsetSaved;

}

Final step, in that table view controller, in the viewDidLoad or somewhere else, put this:

self.refreshControl = [[MyRefreshControl alloc] init]; // create the new instance

[self.refreshControladdTarget:selfaction:@selector(pullToRefresh:) forControlEvents:UIControlEventValueChanged]; // add the event to refresh, like getting data from other sources

self.tableView.contentInset = UIEdgeInsetsMake(20 + 44, self.tableView.contentInset.left, self.tableView.contentInset.bottom, self.tableView.contentInset.right); // 20 for status bar, 44 for navigation bar

// of course need to check if the status bar becomes 44 when phone call comes)

That's it. Hope apple has documented this officially.

Solution credits: Anthony Dmitriyev Sources: http://stackoverflow.com/questions/12913208/uitableview-with-uirefreshcontrol-under-a-semi-transparent-status-bar

[jaytrixz-dev]

Quick and Complete UIRefreshControl Tutorial

Check out this link:

http://www.intertech.com/Blog/ios-6-pull-to-refresh-uirefreshcontrol/

This is the how you implement GCD to show the spinner:

- (void)viewDidLoad

{

    [super viewDidLoad];

    UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];

    refreshControl.attributedTitle = [[NSAttributedString alloc] initWithString:@"Pull to refresh"];

    [refreshControl addTarget:self action:@selector(refreshing:) forControlEvents:UIControlEventValueChanged];

    self.refreshControl = refreshControl;

}

This is the refreshing method

- (void)refreshing:(UIRefreshControl *)refresh

{

    NSLog(@"Refreshing...");

         refresh.attributedTitle = [[NSAttributedString alloc] initWithString:@"Refreshing data..."];

    [refresh beginRefreshing];

         dispatch_queue_t queue = dispatch_queue_create("table view loading queue", NULL);

    dispatch_async(queue, ^{

        sleep(5);

                 dispatch_async(dispatch_get_main_queue(), ^{

            NSDateFormatter *formatter = [[NSDateFormatter alloc] init];

            [formatter setDateFormat:@"MMM d, h:mm a"];

            NSString *lastUpdated = [NSString stringWithFormat:@"Last updated on %@", [formatter stringFromDate:[NSDate date]]];

            refresh.attributedTitle = [[NSAttributedString alloc] initWithString:lastUpdated];

                         [refresh endRefreshing];

        });

    });

}