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2014/10/15 ¤U¤È 10:13:40
iphone Programming Glossary: scrollingHow to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present SDK I have a UIView with UITextFields that brings up a keyboard. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically.. UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a..
Tricks for improving iPhone UITableView scrolling performance? http://stackoverflow.com/questions/1352479/tricks-for-improving-iphone-uitableview-scrolling-performance for improving iPhone UITableView scrolling performance I have a uitableview that loads fairly large images in each cell and the cell heights vary.. is decent but can sometimes be jerky. I found these tips I found on the FieryRobot blog glassy scrolling with uitableview more glassy scrolling with uitableview Does anyone have any tips for improving uitableview.. I found these tips I found on the FieryRobot blog glassy scrolling with uitableview more glassy scrolling with uitableview Does anyone have any tips for improving uitableview scrolling performance iphone uitableview..
Adding view on StatusBar in iPhone http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone window the UIWindow in your Application Delegate loose key status you will encounter problems with scrolling scrollviews to top when tapping the status bar etc. Edit Here's an image you can use as a background..
Lazy load images in UITableViewCell http://stackoverflow.com/questions/531482/lazy-load-images-in-uitableviewcell object creates problems when the user scrolls fast. I am getting images only when scrolling completely stops and clearing out the cache on memory warning. But the app invariably gets a memory.. gets a memory warning due to size of images being cached and clears the cache before reloading. If scrolling is very fast it crashes. Any other suggestions are welcome iphone cocoa touch uitableview image lazy..
UITableView and keyboard scrolling issue http://stackoverflow.com/questions/594181/uitableview-and-keyboard-scrolling-issue and keyboard scrolling issue after a lot of trial and error I'm giving up and asking the question. I've seen a lot of people.. to do this with a concrete code example Thanks in advance Jonathan iphone uitableview keyboard scrolling hide share improve this question The function that does the scrolling could be much simpler void.. uitableview keyboard scrolling hide share improve this question The function that does the scrolling could be much simpler void textFieldDidBeginEditing UITextField textField UITableViewCell cell UITableViewCell..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour around on the scroll view prevents the CADisplayLink from firing until the user has finished scrolling which looks horrible . One temporary fix has been to use NSRunLoopCommonModes instead of the default.. run modes Thanks in advance Promised links to similar questions UIScrollView broken and halts scrolling with OpenGL rendering related CADisplayLink NSRunLoop Animation in OpenGL ES view freezes when UIScrollView.. slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your OpenGL ES rendering might be taking long enough for each frame to throw off the..
UIScrollView pauses NSTimer until scrolling finishes http://stackoverflow.com/questions/605027/uiscrollview-pauses-nstimer-until-scrolling-finishes pauses NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers.. pauses NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers that are running get paused until the scroll is finished. Is there a.. question You have to run another thread and another run loop if you want timers to fire while scrolling since timers are processed as part of the event loop if you're busy processing scrolling your view you..
When is layoutSubviews called? http://stackoverflow.com/questions/728372/when-is-layoutsubviews-called on the view having it ™s frame set only if the size parameter of the frame is different scrolling a UIScrollView causes layoutSubviews to be called on the scrollView and it ™s superview rotating a device..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present a UITextField move up when keyboard is present With the iPhone SDK I have a UIView with UITextFields that brings up a keyboard. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I.. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up..
Tricks for improving iPhone UITableView scrolling performance? http://stackoverflow.com/questions/1352479/tricks-for-improving-iphone-uitableview-scrolling-performance for improving iPhone UITableView scrolling performance I have a uitableview that loads fairly large images in each cell and the cell heights vary depending on the size of the image. Scrolling performance.. vary depending on the size of the image. Scrolling performance is decent but can sometimes be jerky. I found these tips I found on the FieryRobot blog glassy scrolling with uitableview more glassy scrolling with uitableview Does anyone have any tips for improving uitableview scrolling performance iphone uitableview scrolling.. Scrolling performance is decent but can sometimes be jerky. I found these tips I found on the FieryRobot blog glassy scrolling with uitableview more glassy scrolling with uitableview Does anyone have any tips for improving uitableview scrolling performance iphone uitableview scrolling uiimage share improve this question ..
Adding view on StatusBar in iPhone http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone void makeKeyAndVisible or similar. If you make your main window the UIWindow in your Application Delegate loose key status you will encounter problems with scrolling scrollviews to top when tapping the status bar etc. Edit Here's an image you can use as a background Also updated the code with a stretchable UIImage share improve..
Lazy load images in UITableViewCell http://stackoverflow.com/questions/531482/lazy-load-images-in-uitableviewcell this behavior. Thanks. Edit Trying to cache images in an NSMutableDictionary object creates problems when the user scrolls fast. I am getting images only when scrolling completely stops and clearing out the cache on memory warning. But the app invariably gets a memory warning due to size of images being cached and clears the cache.. out the cache on memory warning. But the app invariably gets a memory warning due to size of images being cached and clears the cache before reloading. If scrolling is very fast it crashes. Any other suggestions are welcome iphone cocoa touch uitableview image lazy loading share improve this question Loading the images..
UITableView and keyboard scrolling issue http://stackoverflow.com/questions/594181/uitableview-and-keyboard-scrolling-issue and keyboard scrolling issue after a lot of trial and error I'm giving up and asking the question. I've seen a lot of people with similar problems but can't get all the answers to work.. has worked nicely so far. Could anybody clarify the right way to do this with a concrete code example Thanks in advance Jonathan iphone uitableview keyboard scrolling hide share improve this question The function that does the scrolling could be much simpler void textFieldDidBeginEditing UITextField textField UITableViewCell.. with a concrete code example Thanks in advance Jonathan iphone uitableview keyboard scrolling hide share improve this question The function that does the scrolling could be much simpler void textFieldDidBeginEditing UITextField textField UITableViewCell cell UITableViewCell textField superview superview tView scrollToRowAtIndexPath..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour the rendering view for my textures but there's a problem moving around on the scroll view prevents the CADisplayLink from firing until the user has finished scrolling which looks horrible . One temporary fix has been to use NSRunLoopCommonModes instead of the default run mode but unfortunately this breaks some aspects of scroll.. or know how to fix the UIScrollView working in other run modes Thanks in advance Promised links to similar questions UIScrollView broken and halts scrolling with OpenGL rendering related CADisplayLink NSRunLoop Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone iphone opengl es share improve.. opengl es share improve this question It's possible that slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your OpenGL ES rendering might be taking long enough for each frame to throw off the timing of a UIScrollView when using NSRunLoopCommonModes for..
UIScrollView pauses NSTimer until scrolling finishes http://stackoverflow.com/questions/605027/uiscrollview-pauses-nstimer-until-scrolling-finishes pauses NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers that are running get paused until the scroll is finished... pauses NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers that are running get paused until the scroll is finished. Is there a way to get around this Threads A priority setting Anything .. Anything iphone uiscrollview nstimer share improve this question You have to run another thread and another run loop if you want timers to fire while scrolling since timers are processed as part of the event loop if you're busy processing scrolling your view you never get around to the timers. Though the perf battery penalty..
When is layoutSubviews called? http://stackoverflow.com/questions/728372/when-is-layoutsubviews-called subviews of the target view setFrame intelligently calls layoutSubviews on the view having it ™s frame set only if the size parameter of the frame is different scrolling a UIScrollView causes layoutSubviews to be called on the scrollView and it ™s superview rotating a device only calls layoutSubview on the parent view the responding..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present With the iPhone SDK I have a UIView with UITextFields that brings up a keyboard. I need it to be able to Allow scrolling of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling.. of the contents of the UIScrollView to see the other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm..
Tricks for improving iPhone UITableView scrolling performance? http://stackoverflow.com/questions/1352479/tricks-for-improving-iphone-uitableview-scrolling-performance for improving iPhone UITableView scrolling performance I have a uitableview that loads fairly large images in each cell and the cell heights vary depending on the.. Scrolling performance is decent but can sometimes be jerky. I found these tips I found on the FieryRobot blog glassy scrolling with uitableview more glassy scrolling with uitableview Does anyone have any tips for improving uitableview scrolling performance.. sometimes be jerky. I found these tips I found on the FieryRobot blog glassy scrolling with uitableview more glassy scrolling with uitableview Does anyone have any tips for improving uitableview scrolling performance iphone uitableview scrolling..
Adding view on StatusBar in iPhone http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone you make your main window the UIWindow in your Application Delegate loose key status you will encounter problems with scrolling scrollviews to top when tapping the status bar etc. Edit Here's an image you can use as a background Also updated the code..
Lazy load images in UITableViewCell http://stackoverflow.com/questions/531482/lazy-load-images-in-uitableviewcell images in an NSMutableDictionary object creates problems when the user scrolls fast. I am getting images only when scrolling completely stops and clearing out the cache on memory warning. But the app invariably gets a memory warning due to size.. the app invariably gets a memory warning due to size of images being cached and clears the cache before reloading. If scrolling is very fast it crashes. Any other suggestions are welcome iphone cocoa touch uitableview image lazy loading share improve..
UITableView and keyboard scrolling issue http://stackoverflow.com/questions/594181/uitableview-and-keyboard-scrolling-issue and keyboard scrolling issue after a lot of trial and error I'm giving up and asking the question. I've seen a lot of people with similar problems.. clarify the right way to do this with a concrete code example Thanks in advance Jonathan iphone uitableview keyboard scrolling hide share improve this question The function that does the scrolling could be much simpler void textFieldDidBeginEditing.. Jonathan iphone uitableview keyboard scrolling hide share improve this question The function that does the scrolling could be much simpler void textFieldDidBeginEditing UITextField textField UITableViewCell cell UITableViewCell textField..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour there's a problem moving around on the scroll view prevents the CADisplayLink from firing until the user has finished scrolling which looks horrible . One temporary fix has been to use NSRunLoopCommonModes instead of the default run mode but unfortunately.. working in other run modes Thanks in advance Promised links to similar questions UIScrollView broken and halts scrolling with OpenGL rendering related CADisplayLink NSRunLoop Animation in OpenGL ES view freezes when UIScrollView is dragged on.. It's possible that slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your OpenGL ES rendering might be taking long enough for each frame to throw off the timing of a UIScrollView..
UIScrollView pauses NSTimer until scrolling finishes http://stackoverflow.com/questions/605027/uiscrollview-pauses-nstimer-until-scrolling-finishes pauses NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers that are running get.. pauses NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers that are running get paused until the scroll is finished. Is there a way to get around this.. share improve this question You have to run another thread and another run loop if you want timers to fire while scrolling since timers are processed as part of the event loop if you're busy processing scrolling your view you never get around..
When is layoutSubviews called? http://stackoverflow.com/questions/728372/when-is-layoutsubviews-called calls layoutSubviews on the view having it ™s frame set only if the size parameter of the frame is different scrolling a UIScrollView causes layoutSubviews to be called on the scrollView and it ™s superview rotating a device only calls layoutSubview..
http://stackoverflow.com/questions/11486828/table-view-scrolling-async View Scrolling Async I am loading an image to a table view cell each cell has an image. I've adapter a couple tutorials to the code below..
http://stackoverflow.com/questions/1215869/thumbnail-view-of-images project description which acts similarly to the iPhone's built in camera roll to view images. You can look at the Scrolling sample code from apple referred to in this question about using it for thumbnails . If you want to build one yourself you..
Clear CATiledLayers Cache When Changing Images http://stackoverflow.com/questions/1274680/clear-catiledlayers-cache-when-changing-images with one exception when I change images from one to another the CATiledLayer caches the previous images zoom levels. Scrolling around then displays the old image for a split second before the updated image loads. Is there any way to totally clear..
Tricks for improving iPhone UITableView scrolling performance? http://stackoverflow.com/questions/1352479/tricks-for-improving-iphone-uitableview-scrolling-performance uitableview that loads fairly large images in each cell and the cell heights vary depending on the size of the image. Scrolling performance is decent but can sometimes be jerky. I found these tips I found on the FieryRobot blog glassy scrolling with..
Calling web service on Scrolling UITableView http://stackoverflow.com/questions/14053143/calling-web-service-on-scrolling-uitableview web service on Scrolling UITableView Totally Confused ... I have one web service that accepts the pageNumber as Parameter and gives me some records..
iPhone Tableview Use Cells in Horizontal Scrolling not Vertical http://stackoverflow.com/questions/2778521/iphone-tableview-use-cells-in-horizontal-scrolling-not-vertical Tableview Use Cells in Horizontal Scrolling not Vertical Hi Guys This is not an uiview orientation question I want to Have the iphone in Portrait or Landscape and..
iPhone HTML5 App Scrolling Question http://stackoverflow.com/questions/3128196/iphone-html5-app-scrolling-question HTML5 App Scrolling Question I don't know if this is even possible or what to Google to find it but like you can add meta name viewport content.. on the event. This will effectively disable bounce if your web page completely fits in the viewport. function stopScrolling touchEvent touchEvent.preventDefault document.addEventListener 'touchstart' stopScrolling false document.addEventListener.. the viewport. function stopScrolling touchEvent touchEvent.preventDefault document.addEventListener 'touchstart' stopScrolling false document.addEventListener 'touchmove' stopScrolling false Edit UIWebView is mostly private from the Objective C side..
UIScrollView Infinite Scrolling http://stackoverflow.com/questions/3430267/uiscrollview-infinite-scrolling Infinite Scrolling I'm attempting to setup a scrollview with infinite horizontal scrolling. Scrolling forward is easy I have implemented scrollViewDidScroll.. Infinite Scrolling I'm attempting to setup a scrollview with infinite horizontal scrolling. Scrolling forward is easy I have implemented scrollViewDidScroll and when the contentOffset gets near the end I make the scrollview.. 3200 mainScrollView.contentSize.height add new data here at 320 pageCount 0 the problem is here I use updatingScrollingContent to make sure its only called once for accurate testing if pageNumber 4 updatingScrollingContent updatingScrollingContent..
Scrolling to load more cells in UITableView like Amazon app http://stackoverflow.com/questions/4610299/scrolling-to-load-more-cells-in-uitableview-like-amazon-app to load more cells in UITableView like Amazon app I am trying to create a UITableView where more rows loads automatically..
Scrolling through UIScrollView in Interface Builder for Xcode 4 http://stackoverflow.com/questions/6252503/scrolling-through-uiscrollview-in-interface-builder-for-xcode-4 through UIScrollView in Interface Builder for Xcode 4 This seems to me as though it would be a common problem but I can't.. controls down using the arrow keys but now I can't see them and therefore can't manipulate them in Interface Builder. Scrolling the view in IB would be first prize but if there's a way to even select the controls using a drop down menu or whatever..
UIImage in uitableViewcell slowdowns scrolling table http://stackoverflow.com/questions/6408434/uiimage-in-uitableviewcell-slowdowns-scrolling-table scrolling table Hello I am trying to get profile image of facebook user in Table's cell.image. But It slows down Scrolling of Table view.Then I used Asynchronous loading of image link But i am confused how could I use this in my Table's method..
Change Default Scrolling Behavior of UITableView Section Header http://stackoverflow.com/questions/664781/change-default-scrolling-behavior-of-uitableview-section-header Default Scrolling Behavior of UITableView Section Header I have a UITableView with two sections. It is a simple table view. I am using viewForHeaderInSection..
UITableView with dynamic cell heights — what do I need to do to fix scrolling down? http://stackoverflow.com/questions/680067/uitableview-with-dynamic-cell-heights-what-do-i-need-to-do-to-fix-scrolling-d obscures part of the cell below it. When the cell reaches the top of the view it resets itself and renders properly. Scrolling up presents no difficulties. Here is a video that shows this in action http screencast.com t rqwD9tpdltd I've tried quite..
Keyboard Scroll on Active Text Field - Scrolling to Out of View? http://stackoverflow.com/questions/7193787/keyboard-scroll-on-active-text-field-scrolling-to-out-of-view Scroll on Active Text Field Scrolling to Out of View I have an application with a view that has text fields from the top of the view to the bottom of the view...
Animating custom-drawn UITableViewCell when entering edit mode http://stackoverflow.com/questions/742829/animating-custom-drawn-uitableviewcell-when-entering-edit-mode when entering edit mode Background First of all much gratitude to atebits for their very informative blog post Fast Scrolling in Tweetie with UITableView . The post explains in detail how the developers were able to squeeze as much scrolling performance..
Scrolling with two fingers with a UIScrollView http://stackoverflow.com/questions/787212/scrolling-with-two-fingers-with-a-uiscrollview with two fingers with a UIScrollView I have an app where my main view accepts both touchesBegan and touchesMoved and therefore..
Are there any good UIScrollView Tutorials on the net? http://stackoverflow.com/questions/820557/are-there-any-good-uiscrollview-tutorials-on-the-net share improve this question Some good samples with the basic functionalities covered very simple uiscrollview demo Scrolling UiScrollViewTutorial implementing tap to zoom in uiscrollview on an iphone multiple virtual pages in uiscrollview Not to..
Scrolling two UITableViews together http://stackoverflow.com/questions/8334340/scrolling-two-uitableviews-together two UITableViews together I have a weird design case in which to implement I need to place two UITableViews on the same..
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