2014/10/15 下午 10:13:59

iphone Programming Glossary: setneedslayout

On iOS, how to make a cell.imageView refresh its content?

http://stackoverflow.com/questions/12209380/on-ios-how-to-make-a-cell-imageview-refresh-its-content

to a non zero size and subsequent changes of the image will be visible. I fixed the issue by calling cell setNeedsLayout in the completion handler like so NSURLRequest request NSURLRequest requestWithURL NSURL URLWithString MY_IMAGE_URL NSURLConnection.. mainQueue addOperationWithBlock ^ UIImage image UIImage imageWithData data cell.imageView.image image cell setNeedsLayout I found the completion block happens in the background so that necessitates performing my UI work on the main thread...

setNeedsLayout and setNeedsDisplay

http://stackoverflow.com/questions/14506968/setneedslayout-and-setneedsdisplay

and setNeedsDisplay What is the real difference between UIView methods setNeedsLayout and setNeedsDisplay As usual documentation.. and setNeedsDisplay What is the real difference between UIView methods setNeedsLayout and setNeedsDisplay As usual documentation is foggy about this. Thanks. iphone ios ipad share improve this question .. this. Thanks. iphone ios ipad share improve this question Actually the documentation is pretty clear about this setNeedsLayout will layout subviews Call this method on your application 䏭 main thread when you want to adjust the layout of a view 䏭 subviews...

Laying out & sizing of subviews in a UIViewController

http://stackoverflow.com/questions/2037716/laying-out-sizing-of-subviews-in-a-uiviewcontroller

you could do manual layout if you have to it's invoked when system believes layout may have to change. there is also setNeedsLayout that I sometimes invoke from viewWillRotate viewDidRotate etc. But really this shouldn't be needed and autoresize should..

How do I get the navigation bar in a UINavigationController to update its position when the status bar is hidden?

http://stackoverflow.com/questions/2393868/how-do-i-get-the-navigation-bar-in-a-uinavigationcontroller-to-update-its-positi

I tried I tried calling the super viewWillAppear after hiding the status bar i.e. at the end of my method. I tried setNeedsLayout on the navigationController.view like this UIApplication sharedApplication setStatusBarHidden YES animated YES self.navigationController.view.. like this UIApplication sharedApplication setStatusBarHidden YES animated YES self.navigationController.view setNeedsLayout but that doesn't seem to work. Any help appreciated. Thanks iphone share improve this question There are two ways that..

Automatically Sizing UIView after Adding to Window

http://stackoverflow.com/questions/2659400/automatically-sizing-uiview-after-adding-to-window

some way to force iPhone OS to resize the view after it has been added to the window I've tried calling sizeToFit and setNeedsLayout . I've also tried setting the view's bounds to the window's bounds and I've tried setting the frame to match the previous..

Changing bounds of imageView of UITableViewCell

http://stackoverflow.com/questions/3130804/changing-bounds-of-imageview-of-uitableviewcell

setImage image holder.imageView setBounds CGRectMake 0 0 75 75 holder.imageView setFrame CGRectMake 0 0 75 75 holder setNeedsLayout Where holder is the UITableViewCell. The result I get is always the same. All images have 75px height and different widths...

How to resize a tableHeaderView of a UITableView?

http://stackoverflow.com/questions/341256/how-to-resize-a-tableheaderview-of-a-uitableview

newFrame.size.height 100 self.tableView.tableHeaderView.frame newFrame self.tableView.tableHeaderView setNeedsLayout self.tableView.tableHeaderView setNeedsDisplay self.tableView setNeedsLayout self.tableView setNeedsDisplay The point here.. newFrame self.tableView.tableHeaderView setNeedsLayout self.tableView.tableHeaderView setNeedsDisplay self.tableView setNeedsLayout self.tableView setNeedsDisplay The point here is How do we resize a tableHeaderView in runtime Have anyone able to do this..

problem in changing size of uialertview

http://stackoverflow.com/questions/3975347/problem-in-changing-size-of-uialertview

UIAlertView alloc init initWithFrame CGRectMake 0 0 300 200 find setDelegate self find setTitle @ Sample Alert find setNeedsLayout find show find release Thanks in advance . iphone xcode sdk uialertview share improve this question To achieve what..

UIView addsubview after orientation change: Tell view to resize

http://stackoverflow.com/questions/5995617/uiview-addsubview-after-orientation-change-tell-view-to-resize

the code to this InputView inputView InputView nibObjects objectAtIndex 0 self.view addSubview inputView self.view setNeedsLayout self.view layoutSubviews self.view layoutIfNeeded UIDeviceOrientation orientation UIDevice currentDevice orientation self.. in the NIB XIB you need to take over its post load duties. Calling layoutSubviews directly or indirectly via setNeedsLayout or layoutIfNeeded won't do you much good because the default implementation does nothing. Assuming you want input view to..

Last In-First Out Stack with GCD?

http://stackoverflow.com/questions/7567827/last-in-first-out-stack-with-gcd

on the main queue dispatch_async dispatch_get_main_queue ^ theCell imageView setImage contact.image theCell setNeedsLayout return cell The WWDC2010 conference video Introducing Blocks and Grand Central Dispatch shows an example using the nested..

why might layoutSubviews NOT automatically be called on a view when its frame is set?

http://stackoverflow.com/questions/7921610/why-might-layoutsubviews-not-automatically-be-called-on-a-view-when-its-frame-is

putting the following method into my view void setFrame CGRect frame NSLog @ setting frame super setFrame frame self setNeedsLayout At this point layout was redone when the frame was set as expected. And if I commented out the setNeedsLayout line layout.. self setNeedsLayout At this point layout was redone when the frame was set as expected. And if I commented out the setNeedsLayout line layout was not done. Furthermore when I click on step into at the line where super is called the debugger does not.. a small test project in which I changed the frame of a view. In this case layoutSubviews was called when I did that. setNeedsLayout was not called in my test project. So something in my large project is changing the behavior. But I don't know what that..

How to hide & unhide Master View Controller in SplitView Controller

http://stackoverflow.com/questions/8020323/how-to-hide-unhide-master-view-controller-in-splitview-controller

hide unhide How can i do this iphone ipad ios5 customization uisplitviewcontroller share improve this question 'setNeedsLayout' makes UISplitViewController to ask for shouldHideViewController IBAction hideUnhide id sender UISplitViewController spv..