¡@
2014/10/15 ¤U¤È 10:14:19
iphone Programming Glossary: spaceHow to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw for symbol . Single click in this box and type in objc_exception_throw . Then single click in the space next to objc_exception_throw under the location column. A box will appear for you to type in the location..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected was equal to value of the load address this always worked. But since Apple introduced Address space layout randomization beginning with iOS 4.3 in different variations the apps loading address is randomized..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone bytesPerRow self.size.height self setPixelCount self.size.width self.size.height Create RGB color space self setColorSpace CGColorSpaceCreateDeviceRGB if colorSpace NSLog @ Error allocating color space... space self setColorSpace CGColorSpaceCreateDeviceRGB if colorSpace NSLog @ Error allocating color space. return nil self setPixelData malloc byteCount if pixelData NSLog @ Error allocating bitmap memory... malloc byteCount if pixelData NSLog @ Error allocating bitmap memory. Releasing color space. CGColorSpaceRelease colorSpace return nil Create the bitmap context. Pre multiplied RGBA 8 bits per..
Detect backspace in UITextField http://stackoverflow.com/questions/1977934/detect-backspace-in-uitextfield backspace in UITextField Is there any way to detect when the backspace delete key is pressed in the iPhone keyboard.. backspace in UITextField Is there any way to detect when the backspace delete key is pressed in the iPhone keyboard on a UITextField that is empty I want to know when backspace.. key is pressed in the iPhone keyboard on a UITextField that is empty I want to know when backspace is pressed only if the UITextField is empty. Based on the suggestion from @Alex Reynolds in a comment..
Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar http://stackoverflow.com/questions/227078/creating-a-left-arrow-button-like-uinavigationbars-back-style-on-a-uitoolba should be using UINavigationBar. My app is Instapaper Pro. It shows only a bottom toolbar to save space and maximize readable content area and I wish to put a left arrow shaped Back button in the bottom...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari? http://stackoverflow.com/questions/2593139/ipad-web-app-detect-virtual-keyboard-using-javascript-in-safari up a huge part of the screen it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However I have found no way to detect when or whether the keyboard is shown...
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework reason for all this special packing malarkey so that we can squash the return value into the same space as the send value. To give some perspective like as in why would we be using this function in the first..
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app the profile. Just open the link to your .mobileconfig file in safari. If you don't have web space you can just use dropbox public folder URLs or switch on your mac webserver. It's possible that you..
UIImagePickerController camera preview is portrait in landscape app http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app to take a photo but the live image displayed from the camera is in portrait orientation with blank space around it. The image is rotated. Once the camera button is pressed the preview is very messy with most..
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 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 do I draw a line on the iPhone? http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone share improve this question The first step is to define a subclass of UIView to create a space to draw in. If you're starting with a new application the easiest way will be to start with the Window..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons memory during ObjC or C exception throws in ObjC code but this is at the cost of both time and space performance. This is yet another in a long list of reasons to minimize your use of ObjC . ARC will not..
Transforming a rectangle image into a quadrilateral using a CATransform3D http://stackoverflow.com/questions/9470493/transforming-a-rectangle-image-into-a-quadrilateral-using-a-catransform3d Distort. But according to the source of this quadrilateral the perspective of the image moving in space it is in fact the combination of a scale a rotation and a perspective matrix. I am wondering if this..
How to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw right under the Breakpoint column with the text Double Click for symbol . Single click in this box and type in objc_exception_throw . Then single click in the space next to objc_exception_throw under the location column. A box will appear for you to type in the location in this case libobjc.A.dylib . I've made a screenshot..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone self setBytesPerRow self.size.width RGBA self setByteCount bytesPerRow self.size.height self setPixelCount self.size.width self.size.height Create RGB color space self setColorSpace CGColorSpaceCreateDeviceRGB if colorSpace NSLog @ Error allocating color space. return nil self setPixelData malloc byteCount if pixelData .. self.size.width self.size.height Create RGB color space self setColorSpace CGColorSpaceCreateDeviceRGB if colorSpace NSLog @ Error allocating color space. return nil self setPixelData malloc byteCount if pixelData NSLog @ Error allocating bitmap memory. Releasing color space. CGColorSpaceRelease colorSpace return.. NSLog @ Error allocating color space. return nil self setPixelData malloc byteCount if pixelData NSLog @ Error allocating bitmap memory. Releasing color space. CGColorSpaceRelease colorSpace return nil Create the bitmap context. Pre multiplied RGBA 8 bits per component. The source image format will be converted to the..
Detect backspace in UITextField http://stackoverflow.com/questions/1977934/detect-backspace-in-uitextfield backspace in UITextField Is there any way to detect when the backspace delete key is pressed in the iPhone keyboard on a UITextField that is empty I want to know when backspace.. backspace in UITextField Is there any way to detect when the backspace delete key is pressed in the iPhone keyboard on a UITextField that is empty I want to know when backspace is pressed only if the UITextField is empty. Based on.. UITextField Is there any way to detect when the backspace delete key is pressed in the iPhone keyboard on a UITextField that is empty I want to know when backspace is pressed only if the UITextField is empty. Based on the suggestion from @Alex Reynolds in a comment I've added the following code while creating my text field..
Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar http://stackoverflow.com/questions/227078/creating-a-left-arrow-button-like-uinavigationbars-back-style-on-a-uitoolba question and suggesting that I shouldn't be asking this and should be using UINavigationBar. My app is Instapaper Pro. It shows only a bottom toolbar to save space and maximize readable content area and I wish to put a left arrow shaped Back button in the bottom. Telling me that I shouldn't need to do this is not an answer..
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari? http://stackoverflow.com/questions/2593139/ipad-web-app-detect-virtual-keyboard-using-javascript-in-safari using HTML CSS and JavaScript . Since the keyboard fills up a huge part of the screen it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However I have found no way to detect when or whether the keyboard is shown. My first idea was to assume that the keyboard is visible..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework for in place which means A gets overwritten That's the reason for all this special packing malarkey so that we can squash the return value into the same space as the send value. To give some perspective like as in why would we be using this function in the first place Let's say we want to perform pitch detection on microphone..
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app web all you have to do is direct the iPhone to a url containing the profile. Just open the link to your .mobileconfig file in safari. If you don't have web space you can just use dropbox public folder URLs or switch on your mac webserver. It's possible that you can load the config using IPCU too but I have not tried this...
UIImagePickerController camera preview is portrait in landscape app http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app only iPhone application I launch a UIImagePickerController to take a photo but the live image displayed from the camera is in portrait orientation with blank space around it. The image is rotated. Once the camera button is pressed the preview is very messy with most of the preview off screen and views not correctly aligned...
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 iPhone doesn't even have a big enough 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..
How do I draw a line on the iPhone? http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone UIKit. How do I start drawing iphone cocoa touch quartz graphics share improve this question The first step is to define a subclass of UIView to create a space to draw in. If you're starting with a new application the easiest way will be to start with the Window based application template. Then go New File and create an..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons but it incurs the penalties discussed below ARC will not leak memory during ObjC or C exception throws in ObjC code but this is at the cost of both time and space performance. This is yet another in a long list of reasons to minimize your use of ObjC . ARC will not work at all on iPhoneOS 3 or Mac OS X 10.5 or earlier. This..
Transforming a rectangle image into a quadrilateral using a CATransform3D http://stackoverflow.com/questions/9470493/transforming-a-rectangle-image-into-a-quadrilateral-using-a-catransform3d the quadrilateral Q. Photoshop calls this transformation Distort. But according to the source of this quadrilateral the perspective of the image moving in space it is in fact the combination of a scale a rotation and a perspective matrix. I am wondering if this is possible using a CATransform3D 4x4 matrix. Do you have any..
How to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw text Double Click for symbol . Single click in this box and type in objc_exception_throw . Then single click in the space next to objc_exception_throw under the location column. A box will appear for you to type in the location in this case libobjc.A.dylib..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected past value of the slide was equal to value of the load address this always worked. But since Apple introduced Address space layout randomization beginning with iOS 4.3 in different variations the apps loading address is randomized for security..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone self setByteCount bytesPerRow self.size.height self setPixelCount self.size.width self.size.height Create RGB color space self setColorSpace CGColorSpaceCreateDeviceRGB if colorSpace NSLog @ Error allocating color space. return nil self setPixelData.. Create RGB color space self setColorSpace CGColorSpaceCreateDeviceRGB if colorSpace NSLog @ Error allocating color space. return nil self setPixelData malloc byteCount if pixelData NSLog @ Error allocating bitmap memory. Releasing color space... return nil self setPixelData malloc byteCount if pixelData NSLog @ Error allocating bitmap memory. Releasing color space. CGColorSpaceRelease colorSpace return nil Create the bitmap context. Pre multiplied RGBA 8 bits per component. The source..
Detect backspace in UITextField http://stackoverflow.com/questions/1977934/detect-backspace-in-uitextfield backspace in UITextField Is there any way to detect when the backspace delete key is pressed in the iPhone keyboard on a UITextField.. backspace in UITextField Is there any way to detect when the backspace delete key is pressed in the iPhone keyboard on a UITextField that is empty I want to know when backspace is pressed only.. when the backspace delete key is pressed in the iPhone keyboard on a UITextField that is empty I want to know when backspace is pressed only if the UITextField is empty. Based on the suggestion from @Alex Reynolds in a comment I've added the following..
Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar http://stackoverflow.com/questions/227078/creating-a-left-arrow-button-like-uinavigationbars-back-style-on-a-uitoolba be asking this and should be using UINavigationBar. My app is Instapaper Pro. It shows only a bottom toolbar to save space and maximize readable content area and I wish to put a left arrow shaped Back button in the bottom. Telling me that I shouldn't..
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari? http://stackoverflow.com/questions/2593139/ipad-web-app-detect-virtual-keyboard-using-javascript-in-safari the keyboard fills up a huge part of the screen it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However I have found no way to detect when or whether the keyboard is shown. My first idea was..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework That's the reason for all this special packing malarkey so that we can squash the return value into the same space as the send value. To give some perspective like as in why would we be using this function in the first place Let's say..
http://stackoverflow.com/questions/4260291/issue-with-iphone-sdk-4-2-1 Platforms iPhoneOS.platform DeviceSupport 4.2.1 8C148a Symbols System Library PrivateFrameworks I think its due to the space between 4.2.1 and 8C148a . How can i get rid of it It must be a setting somewhere in Xcode. I dont have these warnings on..
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app iPhone to a url containing the profile. Just open the link to your .mobileconfig file in safari. If you don't have web space you can just use dropbox public folder URLs or switch on your mac webserver. It's possible that you can load the config..
UIImagePickerController camera preview is portrait in landscape app http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app to take a photo but the live image displayed from the camera is in portrait orientation with blank space around it. The image is rotated. Once the camera button is pressed the preview is very messy with most of the preview off..
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 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..
How do I draw a line on the iPhone? http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone touch quartz graphics share improve this question The first step is to define a subclass of UIView to create a space to draw in. If you're starting with a new application the easiest way will be to start with the Window based application..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons below ARC will not leak memory during ObjC or C exception throws in ObjC code but this is at the cost of both time and space performance. This is yet another in a long list of reasons to minimize your use of ObjC . ARC will not work at all on iPhoneOS..
Transforming a rectangle image into a quadrilateral using a CATransform3D http://stackoverflow.com/questions/9470493/transforming-a-rectangle-image-into-a-quadrilateral-using-a-catransform3d this transformation Distort. But according to the source of this quadrilateral the perspective of the image moving in space it is in fact the combination of a scale a rotation and a perspective matrix. I am wondering if this is possible using a..
MPMoviePlayerController repeat mode not working in viewDidLoad http://stackoverflow.com/questions/10489741/mpmovieplayercontroller-repeat-mode-not-working-in-viewdidload I have in the implementation void viewDidLoad NSURL url NSURL fileURLWithPath NSBundle mainBundle pathForResource @ Space Particle ofType @ mp4 MPMoviePlayerViewController playerController MPMoviePlayerViewController alloc initWithContentURL..
how do i find out iphone Disk Space? http://stackoverflow.com/questions/2606474/how-do-i-find-out-iphone-disk-space do i find out iphone Disk Space I am creating an iphone performance app in which I would like to know the Disk Space available on iphone ... I know that.. do i find out iphone Disk Space I am creating an iphone performance app in which I would like to know the Disk Space available on iphone ... I know that a lot of apps do this but I cant seem to find this bit anywhere iphone share improve.. of apps do this but I cant seem to find this bit anywhere iphone share improve this question float getTotalDiskSpaceInBytes float totalSpace 0.0f NSError error nil NSArray paths NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask..
NSURLConnection SSL HTTP Basic Auth http://stackoverflow.com/questions/2997673/nsurlconnection-ssl-http-basic-auth questions and they dont seem to work BOOL connection NSURLConnection connection canAuthenticateAgainstProtectionSpace NSURLProtectionSpace protectionSpace NSLog @ We are checking protection Space if protectionSpace.authenticationMethod isEqualToString.. they dont seem to work BOOL connection NSURLConnection connection canAuthenticateAgainstProtectionSpace NSURLProtectionSpace protectionSpace NSLog @ We are checking protection Space if protectionSpace.authenticationMethod isEqualToString NSURLAuthenticationMethodServerTrust.. work BOOL connection NSURLConnection connection canAuthenticateAgainstProtectionSpace NSURLProtectionSpace protectionSpace NSLog @ We are checking protection Space if protectionSpace.authenticationMethod isEqualToString NSURLAuthenticationMethodServerTrust..
Regular Expression for password in iPhone http://stackoverflow.com/questions/5318088/regular-expression-for-password-in-iphone password These are the conditions It should contain letters and numbers Minimum 7 characters Max 32 characters No Space No Symbols Please Help.. iphone regex passwords share improve this question Here's how you do it ^ a zA Z0 9 7 32 Don't..
iOS: Movement Precision in 3D Space http://stackoverflow.com/questions/5550453/ios-movement-precision-in-3d-space Movement Precision in 3D Space From what I understand GPS has limited accuracy. Is it possible to get a more precise location for a person in 3D space..
OpenGL Texture Coordinates in Pixel Space http://stackoverflow.com/questions/5879403/opengl-texture-coordinates-in-pixel-space Texture Coordinates in Pixel Space I'm working on an iPhone app that uses OpenGL ES 2 for its drawing. I know that typically texture coordinates are defined..
What is the range of bluetooth and is it strictly 1:1? http://stackoverflow.com/questions/658899/what-is-the-range-of-bluetooth-and-is-it-strictly-11 that influence things are Interference Lots of things use 2.4 GHz. WiFi for example can cause problems. Antenna design Space and cost constraints often mean that the antenna design is sub optimal. I don't know how good the iPhone is in this respect...
Distance moved by Accelerometer http://stackoverflow.com/questions/6645126/distance-moved-by-accelerometer for positioning how to calculate phone's movement in the vertical direction from rest iOS Movement Precision in 3D Space How to use Accelerometer to measure distance for Android Application Development Need to find Distance using Gyro Accelerometer..
How to resize UIBarButtonItem in code http://stackoverflow.com/questions/6950325/how-to-resize-uibarbuttonitem-in-code
Which toolkit for iPhone mobile webapps? http://stackoverflow.com/questions/917935/which-toolkit-for-iphone-mobile-webapps with it for a real application it is at this point a bit too new to consider for production use. Watch This Space as they say. iphone web applications share improve this question Apple has provided some tools within Dashcode to quickly..
|