2014/10/15 下午 10:10:12
iphone Programming Glossary: imagesLazy load images in UITableView http://stackoverflow.com/questions/1130089/lazy-load-images-in-uitableview load images in UITableView I have some 50 custom cells in my UITableView . I want to display an image and a label.. cells in my UITableView . I want to display an image and a label in the cells where I get the images from URLs. I want to do a lazy load of images so the UI does not freeze up while the images are being.. an image and a label in the cells where I get the images from URLs. I want to do a lazy load of images so the UI does not freeze up while the images are being loaded. I tried getting the images in separate..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone when updating for support of user documents. Last there is a cache directory where you can put images that you don't care exist for the long term or not the phone may delete them at some point NSArray paths..
http://stackoverflow.com/questions/158914/cropping-a-uiimage I know I could use a UIImageView and adjust the crop mode to achieve the same results but these images are sometimes displayed in UIWebViews . I've started to notice some crashes in this code and I'm a bit..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application string string org.gnu.gnu zip archive string array dict array Two images are provided that will be used as icons for the supported types in Mail and other applications capable..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie I have an array with several UIImage objects. What I now want to do is create movie from those images. But I don't have any idea how to do so. I hope someone can help me or send me a code snippet which..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints used arrays with placeholder objects alternitively another design approach is this one Note that images will render faster than a CGPDFPageRef Use NSOperations or GCD Blocks to prepare pages ahead of time... the same approach except I cache the generated image on the disk and always generate two to three images in advance in a separate thread. I don't overlay with a UIImage but instead draw the image in the layer..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display loss of quality on retina display My code works fine for normal devices but creates blurry images on retina devices. Does anybody know a solution for my issue UIImage imageWithView UIView view UIGraphicsBeginImageContext..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk a set of image files from the network and saving them to the local iPhone disk. Some of those images are pretty big in size widths larger than 500 pixels for instance . Since the iPhone doesn't even have.. on resizing the image to something a bit smaller to save on space performance. Also some of those images are JPEGs and they are not saved as the usual 60 quality setting. How can I resize a picture with the.. the iPhone is PNG because it has optimizations for that format. However if you want to store these images as JPEGs you can take your UIImage and do the following NSData dataForJPEGFile UIImageJPEGRepresentation..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller internet after searching for it forever. The zip file that you can download includes the overlay images that I created for user feedback. It has both @2x and regular. You will have to go into interface builder..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar colors in UITabBar Is it possible to use custom colors and background images in a UITabBar I realize that Apple would like everyone to use the same blue and gray tab bars but is.. customize this Second even I were to create my own TabBar like view controller along with custom images would this violate Apple's Human Interface Guidelines iphone objective c share improve this question..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size this image from within Xcode. Go to the target and under the Summary section look for Launch Images. The image has to be 640x1136 pixels in size. Here's a screenshot of where to find it if that helps...
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected 0 Crashed 0 libobjc.A.dylib 0x352925b0 objc_msgSend 16 1 MYAPP 0x0006573a MyViewController Images didReceiveImage context etag expires 42 2 MYAPP 0x0004fb26 MyImageTask didReceiveImage 98 3 Foundation.. value from the crash report. The load address can be is the first address showing in the Binary Images section at the very front of the line which contains your executable. Usually the first entry . Since..
http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph for multiple resolutions . We 耱l create one to manage both the Game 䏭 icons along with the Launch Images. Now click the Use Asset Catalog button. When confirming the migration you 胩e also asked if you wish.. Catalog button. When confirming the migration you 胩e also asked if you wish to migrate the Launch Images which is iOS talk for the splash screen that appears when starting your app you 耱l want to ensure this..
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone Data Storing Images iPhone I have an application where I allow the user to add an image for their account. I wish to know..
Using HTML and Local Images Within UIWebView http://stackoverflow.com/questions/747407/using-html-and-local-images-within-uiwebview HTML and Local Images Within UIWebView I have a UIWebView in my app which I want to use to display an image which will link..
Lazy load images in UITableView http://stackoverflow.com/questions/1130089/lazy-load-images-in-uitableview load images in UITableView I have some 50 custom cells in my UITableView . I want to display an image and a label in the cells where I get the images from URLs. I want to.. load images in UITableView I have some 50 custom cells in my UITableView . I want to display an image and a label in the cells where I get the images from URLs. I want to do a lazy load of images so the UI does not freeze up while the images are being loaded. I tried getting the images in separate threads but.. some 50 custom cells in my UITableView . I want to display an image and a label in the cells where I get the images from URLs. I want to do a lazy load of images so the UI does not freeze up while the images are being loaded. I tried getting the images in separate threads but I have to load each image every time a cell becomes..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone Documents today you are fine as long as you change location when updating for support of user documents. Last there is a cache directory where you can put images that you don't care exist for the long term or not the phone may delete them at some point NSArray paths NSSearchPathForDirectoriesInDomains NSCachesDirectory NSUserDomainMask..
http://stackoverflow.com/questions/158914/cropping-a-uiimage similar to what's seen in the album view of the Photos app. I know I could use a UIImageView and adjust the crop mode to achieve the same results but these images are sometimes displayed in UIWebViews . I've started to notice some crashes in this code and I'm a bit stumped. I've got two different theories and I'm wondering..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application Owner string key LSItemContentTypes key array string com.sunsetlakesoftware.molecules.pdb string string org.gnu.gnu zip archive string array dict array Two images are provided that will be used as icons for the supported types in Mail and other applications capable of showing documents. The LSItemContentTypes key lets you..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie do I export UIImage array as a movie I have a serious problem I have an array with several UIImage objects. What I now want to do is create movie from those images. But I don't have any idea how to do so. I hope someone can help me or send me a code snippet which does something like I want. Thx iphone export uiimage avfoundation..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints larger tileSizes if rendering on TiledLayers init frequently used arrays with placeholder objects alternitively another design approach is this one Note that images will render faster than a CGPDFPageRef Use NSOperations or GCD Blocks to prepare pages ahead of time. call CGContextSetInterpolationQuality ctx kCGInterpolationHigh.. I have build such kind of application using approximatively the same approach except I cache the generated image on the disk and always generate two to three images in advance in a separate thread. I don't overlay with a UIImage but instead draw the image in the layer when zooming is 1. Those tiles will be released automatically..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display to capture UIView to UIImage without loss of quality on retina display My code works fine for normal devices but creates blurry images on retina devices. Does anybody know a solution for my issue UIImage imageWithView UIView view UIGraphicsBeginImageContext view.bounds.size view.layer renderInContext..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk an image size with the iPhone SDK My application is downloading a set of image files from the network and saving them to the local iPhone disk. Some of those images are pretty big in size widths larger than 500 pixels for instance . Since the iPhone doesn't even have a big enough display to show the image in its original size.. display to show the image in its original size I'm planning on resizing the image to something a bit smaller to save on space performance. Also some of those images are JPEGs and they are not saved as the usual 60 quality setting. How can I resize a picture with the iPhone SDK and how can I change the quality setting of a JPEG.. storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations for that format. However if you want to store these images as JPEGs you can take your UIImage and do the following NSData dataForJPEGFile UIImageJPEGRepresentation theImage 0.6 This creates an NSData instance containing..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller for creating the SMTP framework. It was downloaded from the internet after searching for it forever. The zip file that you can download includes the overlay images that I created for user feedback. It has both @2x and regular. You will have to go into interface builder and create the label though that says sending test drive....
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar colors in UITabBar Is it possible to use custom colors and background images in a UITabBar I realize that Apple would like everyone to use the same blue and gray tab bars but is there any way to customize this Second even I were to create.. use the same blue and gray tab bars but is there any way to customize this Second even I were to create my own TabBar like view controller along with custom images would this violate Apple's Human Interface Guidelines iphone objective c share improve this question I found an answer to this at Silent Mac Design . I implemented..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected 0 Thread 0 name Dispatch queue com.apple.main thread Thread 0 Crashed 0 libobjc.A.dylib 0x352925b0 objc_msgSend 16 1 MYAPP 0x0006573a MyViewController Images didReceiveImage context etag expires 42 2 MYAPP 0x0004fb26 MyImageTask didReceiveImage 98 3 Foundation 0x361ac8e8 __NSThreadPerformPerform 4 CoreFoundation 0x3b37d680.. path to the actual executable. The stack address is the hex value from the crash report. The load address can be is the first address showing in the Binary Images section at the very front of the line which contains your executable. Usually the first entry . Since in the past value of the slide was equal to value of the load..
http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph to simply managing multiple copies of an image such as for multiple resolutions . We 耱l create one to manage both the Game 䏭 icons along with the Launch Images. Now click the Use Asset Catalog button. When confirming the migration you 胩e also asked if you wish to migrate the Launch Images which is iOS talk for the splash.. icons along with the Launch Images. Now click the Use Asset Catalog button. When confirming the migration you 胩e also asked if you wish to migrate the Launch Images which is iOS talk for the splash screen that appears when starting your app you 耱l want to ensure this is checked as well. Please take a Look for more Info Apple..
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone Data Storing Images iPhone I have an application where I allow the user to add an image for their account. I wish to know how to store an image obtained from the camera or photo library..
Using HTML and Local Images Within UIWebView http://stackoverflow.com/questions/747407/using-html-and-local-images-within-uiwebview HTML and Local Images Within UIWebView I have a UIWebView in my app which I want to use to display an image which will link to another url. I'm using img src image.jpg to load the image...
Lazy load images in UITableView http://stackoverflow.com/questions/1130089/lazy-load-images-in-uitableview load images in UITableView I have some 50 custom cells in my UITableView . I want to display an image and a label in the cells where.. I have some 50 custom cells in my UITableView . I want to display an image and a label in the cells where I get the images from URLs. I want to do a lazy load of images so the UI does not freeze up while the images are being loaded. I tried getting.. . I want to display an image and a label in the cells where I get the images from URLs. I want to do a lazy load of images so the UI does not freeze up while the images are being loaded. I tried getting the images in separate threads but I have..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone as you change location when updating for support of user documents. Last there is a cache directory where you can put images that you don't care exist for the long term or not the phone may delete them at some point NSArray paths NSSearchPathForDirectoriesInDomains..
http://stackoverflow.com/questions/158914/cropping-a-uiimage of the Photos app. I know I could use a UIImageView and adjust the crop mode to achieve the same results but these images are sometimes displayed in UIWebViews . I've started to notice some crashes in this code and I'm a bit stumped. I've got..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application array string com.sunsetlakesoftware.molecules.pdb string string org.gnu.gnu zip archive string array dict array Two images are provided that will be used as icons for the supported types in Mail and other applications capable of showing documents...
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie have a serious problem I have an array with several UIImage objects. What I now want to do is create movie from those images. But I don't have any idea how to do so. I hope someone can help me or send me a code snippet which does something like..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints init frequently used arrays with placeholder objects alternitively another design approach is this one Note that images will render faster than a CGPDFPageRef Use NSOperations or GCD Blocks to prepare pages ahead of time. call CGContextSetInterpolationQuality.. approximatively the same approach except I cache the generated image on the disk and always generate two to three images in advance in a separate thread. I don't overlay with a UIImage but instead draw the image in the layer when zooming is..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display UIView to UIImage without loss of quality on retina display My code works fine for normal devices but creates blurry images on retina devices. Does anybody know a solution for my issue UIImage imageWithView UIView view UIGraphicsBeginImageContext..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk is downloading a set of image files from the network and saving them to the local iPhone disk. Some of those images are pretty big in size widths larger than 500 pixels for instance . Since the iPhone doesn't even have a big enough display.. size I'm planning on resizing the image to something a bit smaller to save on space performance. Also some of those images are JPEGs and they are not saved as the usual 60 quality setting. How can I resize a picture with the iPhone SDK and how.. format to use with the iPhone is PNG because it has optimizations for that format. However if you want to store these images as JPEGs you can take your UIImage and do the following NSData dataForJPEGFile UIImageJPEGRepresentation theImage 0.6 This..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller downloaded from the internet after searching for it forever. The zip file that you can download includes the overlay images that I created for user feedback. It has both @2x and regular. You will have to go into interface builder and create the..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar colors in UITabBar Is it possible to use custom colors and background images in a UITabBar I realize that Apple would like everyone to use the same blue and gray tab bars but is there any way to customize.. is there any way to customize this Second even I were to create my own TabBar like view controller along with custom images would this violate Apple's Human Interface Guidelines iphone objective c share improve this question I found an answer..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size You could also select this image from within Xcode. Go to the target and under the Summary section look for Launch Images. The image has to be 640x1136 pixels in size. Here's a screenshot of where to find it if that helps. share improve this..
Images for iphone 5 retina display http://stackoverflow.com/questions/12532405/images-for-iphone-5-retina-display for iphone 5 retina display iPhone 5 released with new screen size and resolution. When we used images for iPhone 4 retina..
Select Multiple Images (UIImagePickerController or Photos.app Share UI) http://stackoverflow.com/questions/1291270/select-multiple-images-uiimagepickercontroller-or-photos-app-share-ui Multiple Images UIImagePickerController or Photos.app Share UI In iPhone OS 3.0 Apple added the ability to share multiple pictures at once..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected thread Thread 0 Crashed 0 libobjc.A.dylib 0x352925b0 objc_msgSend 16 1 MYAPP 0x0006573a MyViewController Images didReceiveImage context etag expires 42 2 MYAPP 0x0004fb26 MyImageTask didReceiveImage 98 3 Foundation 0x361ac8e8 __NSThreadPerformPerform.. address is the hex value from the crash report. The load address can be is the first address showing in the Binary Images section at the very front of the line which contains your executable. Usually the first entry . Since in the past value..
Blur an image of specific part (rectangular, circular)? http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular rect UIImage cropped UIImage imageWithCGImage imageRef CGImageRelease imageRef return cropped Method 2 Merge the two Images #pragma mark Marge two Images UIImage addImageToImage UIImage img withImage2 UIImage img2 andRect CGRect cropRect CGSize.. imageWithCGImage imageRef CGImageRelease imageRef return cropped Method 2 Merge the two Images #pragma mark Marge two Images UIImage addImageToImage UIImage img withImage2 UIImage img2 andRect CGRect cropRect CGSize size CGSizeMake imageView.image.size.width..
iphone uiwebview download complete page with CSS and Images http://stackoverflow.com/questions/1720524/iphone-uiwebview-download-complete-page-with-css-and-images uiwebview download complete page with CSS and Images in my app there's a uiwebview that loads a url.. i use the following line to save the HTML of the page loaded locally to..
Asynchronous request to the server from background thread http://stackoverflow.com/questions/1728631/asynchronous-request-to-the-server-from-background-thread asyncImgRequest downloadImage @ http photography.nationalgeographic.com staticfiles NGS Shared StaticFiles Photography Images POD l leopard namibia sw.jpg pool release The problem is that method imageDownloadDidFinish is never called. Moreover none..
http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph of an image such as for multiple resolutions . We 耱l create one to manage both the Game 䏭 icons along with the Launch Images. Now click the Use Asset Catalog button. When confirming the migration you 胩e also asked if you wish to migrate the Launch.. click the Use Asset Catalog button. When confirming the migration you 胩e also asked if you wish to migrate the Launch Images which is iOS talk for the splash screen that appears when starting your app you 耱l want to ensure this is checked as well...
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone Data Storing Images iPhone I have an application where I allow the user to add an image for their account. I wish to know how to store an image..
How to reduce the size of my iPhone application? http://stackoverflow.com/questions/2490910/how-to-reduce-the-size-of-my-iphone-application they are less than 100MB. What are the best strategies for reducing the size of an App Areas I'd like to focus on are Images Databases Code Static Libraries NB The original question can be viewed in the revisions of this question iphone xcode ipad..
iOS 4 app crashes at startup on iOS 3.1.3: Symbol not found: __NSConcreteStackBlock http://stackoverflow.com/questions/3313786/ios-4-app-crashes-at-startup-on-ios-3-1-3-symbol-not-found-nsconcretestackbl 192B30ED 16AC 431E B0E9 67C1F41FD5DA MyApp.app MyApp Expected in usr lib libSystem.B.dylib Dyld Version 149 Binary Images 0x1000 0x80fff MyApp armv6 d5f0ff6f233b4b034c222c16438c88d9 var mobile Applications 192B30ED 16AC 431E B0E9 67C1F41FD5DA..
Cocoa Touch - Comparing Images http://stackoverflow.com/questions/3400707/cocoa-touch-comparing-images Touch Comparing Images How can I compare an image to another one Thanks iphone cocoa touch uiimage share improve this question If you have.. I compare an image to another one Thanks iphone cocoa touch uiimage share improve this question If you have two UIImages you should get their CGImageRef quartz representations from those objects. Then create two new bitmap contexts backed by..
How to display an image on a MKOverlayView? http://stackoverflow.com/questions/3891850/how-to-display-an-image-on-a-mkoverlayview to display an image on a MKOverlayView UPDATE Images who are projected on the MKMapView using a MKOverlayView use the Mercator projection while the image that I use as input..
AVFoundation + AssetWriter: Generate Movie With Images and Audio http://stackoverflow.com/questions/5640657/avfoundation-assetwriter-generate-movie-with-images-and-audio AssetWriter Generate Movie With Images and Audio I have to export a movie from my iPhone application which contains UIImage from an NSArray and add some audio.. but cant seem to find a way to add the audio files to complete the movie. Here is what I have gotten so far void writeImagesToMovieAtPath NSString path withSize CGSize size NSLog @ Write Started NSError error nil AVAssetWriter videoWriter AVAssetWriter..
Adding Images to UIActionSheet buttons as in UIDocumentInteractionController http://stackoverflow.com/questions/6130475/adding-images-to-uiactionsheet-buttons-as-in-uidocumentinteractioncontroller Images to UIActionSheet buttons as in UIDocumentInteractionController Is it possible to add an image to the buttons of the UIActionSheet..
Using HTML and Local Images Within UIWebView http://stackoverflow.com/questions/747407/using-html-and-local-images-within-uiwebview HTML and Local Images Within UIWebView I have a UIWebView in my app which I want to use to display an image which will link to another url. I'm..
NSData and Uploading Images via POST in iOS http://stackoverflow.com/questions/8042360/nsdata-and-uploading-images-via-post-in-ios and Uploading Images via POST in iOS I have been combing through the many many posts about uploading images via POST in iOS. Despite the wealth..
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