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2014/10/15 ¤U¤È 10:13:39
iphone Programming Glossary: scanBarcode reading using picture taken using mobile phone camera http://stackoverflow.com/questions/1339867/barcode-reading-using-picture-taken-using-mobile-phone-camera question Google has made this INCREDIBLY simple with their Zebra Crossing libraries. They have support for doing scanning via images on the following platforms J2SE Android and others have ported to J2ME CSharp CPP Rim iPhone Bug As another..
Finding Distance from RSSI value of bluetooth low energy enable device http://stackoverflow.com/questions/13705647/finding-distance-from-rssi-value-of-bluetooth-low-energy-enable-device much more accurate positioning result. You can get this purely from Advertisement packages but you must either Disable scan Enable scan or tell iOS CoreBluetooth to report all adv packages. In foreground mode you can do this but in background mode.. positioning result. You can get this purely from Advertisement packages but you must either Disable scan Enable scan or tell iOS CoreBluetooth to report all adv packages. In foreground mode you can do this but in background mode you can't..
Accessing & Using the MobileWiFi.framework http://stackoverflow.com/questions/2018110/accessing-using-the-mobilewifi-framework not working code .h void libHandle void airportHandle int open void int bind void NSString int close void int scan void NSArray void .m libHandle dlopen System Library PrivateFrameworks MobileWiFi.framework MobileWiFi RTLD_LAZY open dlsym.. dlsym libHandle Apple80211Open bind dlsym libHandle Apple80211BindToInterface close dlsym libHandle Apple80211Close scan dlsym libHandle Apple80211Scan open airportHandle bind airportHandle @ en0 NSLog @ Result @ libHandle When executed on the.. iPhone SDK 3.1.2. SOLStumbler.h SOLStumbler.m Use SOLStumbler networksManager SOLStumbler alloc init networksManager scanNetworks Result An networks NSDictionary of a info NSDictionary. Use CFShow to explore the returned pointer containing information...
How to Get the Title of a HTML Page Displayed in UIWebView? http://stackoverflow.com/questions/2275876/how-to-get-the-title-of-a-html-page-displayed-in-uiwebview @ document.title However that only works if javascript is enabled. Alternatively I could just scan the text of the HTML code for the title but that feels a bit cumbersome and might prove fragile if the page's authors got..
Does apple view the actual source code when approving apps? http://stackoverflow.com/questions/3186648/does-apple-view-the-actual-source-code-when-approving-apps a binary as part of an application bundle along with your other application resources. They do however appear to scan your application's binary for certain symbols that indicate the use of private APIs. A number of applications started crashing..
Do I need to release IBOutlets when using loadNibNamed: method? http://stackoverflow.com/questions/382576/do-i-need-to-release-iboutlets-when-using-loadnibnamed-method object loaded from the nib. I'd suggest instead that you either connect it to a note outlet in your view controller or scan the list for an object that's a subclass of Note. If you're loading multiple Notes and you use the outlet option just make..
how to scan barcode using phonegap http://stackoverflow.com/questions/3888396/how-to-scan-barcode-using-phonegap to scan barcode using phonegap I need to scan a barcode using phonegap in Android and iPhone. Is there a way to do this If yes.. to scan barcode using phonegap I need to scan a barcode using phonegap in Android and iPhone. Is there a way to do this If yes please share links. iphone android phonegap.. phonegap in Android and iPhone. Is there a way to do this If yes please share links. iphone android phonegap barcode scanner share improve this question This link leads you to a page where you can learn how to implement the PhoneGap Barcode..
Objective-C: Find numbers in string http://stackoverflow.com/questions/4663438/objective-c-find-numbers-in-string based solution Input NSString originalString @ This is my string. #1234 Intermediate NSString numberString NSScanner scanner NSScanner scannerWithString originalString NSCharacterSet numbers NSCharacterSet characterSetWithCharactersInString @.. NSString originalString @ This is my string. #1234 Intermediate NSString numberString NSScanner scanner NSScanner scannerWithString originalString NSCharacterSet numbers NSCharacterSet characterSetWithCharactersInString @ 0123456789 Throw.. numbers NSCharacterSet characterSetWithCharactersInString @ 0123456789 Throw away characters before the first number. scanner scanUpToCharactersFromSet numbers intoString NULL Collect numbers. scanner scanCharactersFromSet numbers intoString numberString..
Is there any library in objective-c or c that will do OCR? [duplicate] http://stackoverflow.com/questions/4847761/is-there-any-library-in-objective-c-or-c-that-will-do-ocr Does anyone know of any free open source text recognition libraries in C C Objective C Basically something that can scan an image and read out all of the plain text. c c objective c text recognition share improve this question The most..
http://stackoverflow.com/questions/5242291/barcode-detection-in-iphone detection in iPhone I want to implement read scan bar code in my iphone application i would like to know how to implement it into our iphone app and also some links and example..
Does iOS 5 have garbage collection? http://stackoverflow.com/questions/6576674/does-ios-5-have-garbage-collection to prevent them. It also uses resources differently from an automatic garbage collector. Garbage collectors have to scan for unreferenced memory and collect it which is expensive and can lead to stuttering on slower systems but they only have.. than a non GC program and will slow down significantly when the GC decides to collect. ARC on the other hand moves the scanning to compile time and frees memory as soon as it's available but it has to constantly update object reference counts instead..
Is programmatically inverting the colors of an image possible? http://stackoverflow.com/questions/6672517/is-programmatically-inverting-the-colors-of-an-image-possible newly created context CGContextDrawImage context CGRectMake 0 0 width height self CGImage run through every pixel a scan line at a time... for int y 0 y height y get a pointer to the start of this scan line unsigned char linePointer memoryPool.. CGImage run through every pixel a scan line at a time... for int y 0 y height y get a pointer to the start of this scan line unsigned char linePointer memoryPool y width 4 step through the pixels one by one... for int x 0 x width x get RGB..
Is there a barcode recognition framework for iOS? http://stackoverflow.com/questions/838724/is-there-a-barcode-recognition-framework-for-ios port is a little old from circa the 0.9 release of the Java code but should still work reasonably well. If you need to scan other formats like 1D formats you could continue the port of the Java code within this project to C . share improve this..
iPhone camera loses auto-focus when using ZBarSDK http://stackoverflow.com/questions/8658383/iphone-camera-loses-auto-focus-when-using-zbarsdk camera loses auto focus when using ZBarSDK I'm working on an app that the user can select if he wants to scan a barcode or take a picture of something. For taking a picture I'm using the UIImagePickerController as usual. For scanning.. a barcode or take a picture of something. For taking a picture I'm using the UIImagePickerController as usual. For scanning barcode I'm using the ZbarSDK 1.2 ZBarReaderViewController . When taking a picture everything works perfect. When scanning.. barcode I'm using the ZbarSDK 1.2 ZBarReaderViewController . When taking a picture everything works perfect. When scanning a barcode If you start the app and scan a barcode before taking a picture it's also works perfect. But is you take a..
Suitable api to get product details from scanned barcode iphone app? http://stackoverflow.com/questions/9256700/suitable-api-to-get-product-details-from-scanned-barcode-iphone-app api to get product details from scanned barcode iphone app Am developing sample barcode scanner app. I using ZBar API to scan the barcode from the product... api to get product details from scanned barcode iphone app Am developing sample barcode scanner app. I using ZBar API to scan the barcode from the product. It is working very fine. Now looking to get the product of.. to get product details from scanned barcode iphone app Am developing sample barcode scanner app. I using ZBar API to scan the barcode from the product. It is working very fine. Now looking to get the product of the scanned barcode. I want to..
Corebluetooth central manager callback didDiscoverPeripheral twice http://stackoverflow.com/questions/11557500/corebluetooth-central-manager-callback-diddiscoverperipheral-twice this NSDictionary scanOptions NSDictionary dictionaryWithObject NSNumber numberWithBool NO forKey CBCentralManagerScanOptionAllowDuplicatesKey Scan for peripherals with given UUID cm scanForPeripheralsWithServices NSArray arrayWithObject HeliController.serviceUUID.. NSDictionary dictionaryWithObject NSNumber numberWithBool NO forKey CBCentralManagerScanOptionAllowDuplicatesKey Scan for peripherals with given UUID cm scanForPeripheralsWithServices NSArray arrayWithObject HeliController.serviceUUID options.. No problem there I find the peripheral and are able to connect to it. As you can see I give it CBCentralManagerScanOptionAllowDuplicatesKey with bool NO to not allow for more than one peripheral but sometimes the didDiscoverPeripheral callback..
List / Scan for available WiFis iPhone http://stackoverflow.com/questions/4735426/list-scan-for-available-wifis-iphone Scan for available WiFis iPhone I'm searching for a way to present available WiFis in an iPhone App. So far my research resulted.. bind dlsym libHandle Apple80211BindToInterface close dlsym libHandle Apple80211Close scan dlsym libHandle Apple80211Scan open airportHandle bind airportHandle @ en0 NSLog @ Scanning... scanning true NSArray scan_networks NSDictionary parameters.. libHandle Apple80211Close scan dlsym libHandle Apple80211Scan open airportHandle bind airportHandle @ en0 NSLog @ Scanning... scanning true NSArray scan_networks NSDictionary parameters NSDictionary alloc init scan airportHandle scan_networks..
UIWebView without Copy/Paste and selection rectangle when showing documents http://stackoverflow.com/questions/5515522/uiwebview-without-copy-paste-and-selection-rectangle-when-showing-documents ScrollView's delegate to self min zoom to 1.0 and max zoom to whatever you want After the weView has finished loading. Scan for the first UIScrollView in the webView we are scanning for it so this shouldn't break on later iOS versions . Set the..
iPhone camera loses auto-focus when using ZBarSDK http://stackoverflow.com/questions/8658383/iphone-camera-loses-auto-focus-when-using-zbarsdk try to scan a barcode the camera loses the auto focus and it's just impossible to scan a barcode. To summarize Start Scan Auto focus working Start Take Photo Back Scan Auto focus not working This is how I initialize the barcode scanner ZBarReaderViewController.. focus and it's just impossible to scan a barcode. To summarize Start Scan Auto focus working Start Take Photo Back Scan Auto focus not working This is how I initialize the barcode scanner ZBarReaderViewController barcodeScanner if nil _barcodeScanner.. Photo Back Scan Auto focus not working This is how I initialize the barcode scanner ZBarReaderViewController barcodeScanner if nil _barcodeScanner _barcodeScanner ZBarReaderViewController new _barcodeScanner.readerDelegate self _barcodeScanner.cameraMode..
DETECT the Edge of a Document in iPhoneSDK http://stackoverflow.com/questions/8921256/detect-the-edge-of-a-document-in-iphonesdk API if possible.Now the problem Is how can I make the changes in those static libraries according to my requirement to Scan the Document edges. Alternatively how to detect for the square rectangle object in the captured image iphone ios4 image.. computer vision reference manual On page 10 6 there is a reference to the set of contour detection functions CvContourScanner cvStartFindContours IplImage img CvMemStorage storage int headerSize CvContourRetrievalMode mode CvChainApproxMethod..
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