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iphone Programming Glossary: varUIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos from the selected photo. They seem to do this by reading the original file from the private var mobile Media DCIM 100APPLE folder and running it through an EXIF library. However I can't work out a.. tag values returns nil In case you want to give a try to the library you need to define a global variable to get it running as explained in the doc but hum.. BOOL gLogging FALSE UPDATE 2 Answer here iPhone..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention ivar naming convention duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa.. ivar naming convention duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've noticed that in a lot of the reference materials out there.. work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew P Q R S T U that maps the 4 points to the expected locations. 6 unique coordinates and 6 variables should have exactly 1 solution most of the cases. When you have found these 6 constants you can.. you may need a transpose function compute_transform_matrix X Y W H x1a y1a x2a y2a x3a y3a x4a y4a var y21 y2a y1a y32 y3a y2a y43 y4a y3a y14 y1a y4a y31 y3a y1a y42 y4a y2a var a H x2a x3a y14 x2a x4a.. y2a x3a y3a x4a y4a var y21 y2a y1a y32 y3a y2a y43 y4a y3a y14 y1a y4a y31 y3a y1a y42 y4a y2a var a H x2a x3a y14 x2a x4a y31 x1a x4a y32 x1a x3a y42 var b W x2a x3a y14 x3a x4a y21 x1a x4a y32 x1a..
How do I reset the scale/zoom of a web app on an orientation change on the iPhone? http://stackoverflow.com/questions/2557801/how-do-i-reset-the-scale-zoom-of-a-web-app-on-an-orientation-change-on-the-iphon again with this script if navigator.userAgent.match iPhone i navigator.userAgent.match iPad i var viewportmeta document.querySelector 'meta name viewport ' if viewportmeta viewportmeta.content 'width..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing get the following error dyld Symbol not found _OBJC_CLASS_ _UISplitViewController Referenced from var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app Test Expected in System Library Frameworks.. AF56 77B66B324640 Test.app Test Expected in System Library Frameworks UIKit.framework UIKit in var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app TEST As the App is built programmatically..
iPhone Safari Web App opens links in new window http://stackoverflow.com/questions/2898740/iphone-safari-web-app-opens-links-in-new-window web app share improve this question I found JavaScript solution in iWebKit framework var a document.getElementsByTagName a for var i 0 i a.length i a i .onclick function window.location this.getAttribute.. I found JavaScript solution in iWebKit framework var a document.getElementsByTagName a for var i 0 i a.length i a i .onclick function window.location this.getAttribute href return false share..
Does UIGestureRecognizer work on a UIWebView? http://stackoverflow.com/questions/2909807/does-uigesturerecognizer-work-on-a-uiwebview the default behavior. I also found the webkit user select none css property handy for some things. var touch function touch_start event TouchEvent event.preventDefault touch touch.startX event.touches.item..
Autoplay audio files on an iPad with HTML5 http://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5 html5AutoPlay Copy Pasted Code from the site script type text javascript function fakeClick fn var a ' a href # id fakeClick a ' a.bind click function e e.preventDefault fn body .append a var evt.. var a ' a href # id fakeClick a ' a.bind click function e e.preventDefault fn body .append a var evt el #fakeClick .get 0 if document.createEvent evt document.createEvent MouseEvents if evt.initMouseEvent.. window 0 0 0 0 0 false false false false 0 null el.dispatchEvent evt el .remove function var video #someVideo .get 0 fakeClick function video.play script This is not my source. I've found this..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos data stored within them enabling the app to extract the geodata from the selected photo. They seem to do this by reading the original file from the private var mobile Media DCIM 100APPLE folder and running it through an EXIF library. However I can't work out a way of matching a photo returned from the UIImagePickerController.. .... .... The retrieving of tags definition is OK but all tag values returns nil In case you want to give a try to the library you need to define a global variable to get it running as explained in the doc but hum.. BOOL gLogging FALSE UPDATE 2 Answer here iPhone access location information from a photo A UIImage does..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention ivar naming convention duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've noticed that in a lot of the.. ivar naming convention duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable.. in front of a variable in a cocoa objective c class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is this done What am I missing Thanks iphone..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew P . . Q x x' . R . S y y' . . 1 . z z' . T . U 1 w' with appropriate P Q R S T U that maps the 4 points to the expected locations. 6 unique coordinates and 6 variables should have exactly 1 solution most of the cases. When you have found these 6 constants you can craft a CATransform3D . Notice the structure definition is.. x1a y1a x2a y2a x3a y3a x4a y4a use this function you may need a transpose function compute_transform_matrix X Y W H x1a y1a x2a y2a x3a y3a x4a y4a var y21 y2a y1a y32 y3a y2a y43 y4a y3a y14 y1a y4a y31 y3a y1a y42 y4a y2a var a H x2a x3a y14 x2a x4a y31 x1a x4a y32 x1a x3a y42 var b W x2a x3a y14 x3a x4a y21.. function compute_transform_matrix X Y W H x1a y1a x2a y2a x3a y3a x4a y4a var y21 y2a y1a y32 y3a y2a y43 y4a y3a y14 y1a y4a y31 y3a y1a y42 y4a y2a var a H x2a x3a y14 x2a x4a y31 x1a x4a y32 x1a x3a y42 var b W x2a x3a y14 x3a x4a y21 x1a x4a y32 x1a x2a y43 var c H X x2a x3a y14 x2a x4a y31 x1a x4a y32 x1a x3a..
How do I reset the scale/zoom of a web app on an orientation change on the iPhone? http://stackoverflow.com/questions/2557801/how-do-i-reset-the-scale-zoom-of-a-web-app-on-an-orientation-change-on-the-iphon javascript on load until gesturestart when you allow scalability again with this script if navigator.userAgent.match iPhone i navigator.userAgent.match iPad i var viewportmeta document.querySelector 'meta name viewport ' if viewportmeta viewportmeta.content 'width device width minimum scale 1.0 maximum scale 1.0 initial scale..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing I tried to run on the device and as it begins to run I get the following error dyld Symbol not found _OBJC_CLASS_ _UISplitViewController Referenced from var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app Test Expected in System Library Frameworks UIKit.framework UIKit in var mobile Applications 9770ACFA.. Referenced from var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app Test Expected in System Library Frameworks UIKit.framework UIKit in var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app TEST As the App is built programmatically rather than using XIB's I've split the 2 device logics..
iPhone Safari Web App opens links in new window http://stackoverflow.com/questions/2898740/iphone-safari-web-app-opens-links-in-new-window only the same unanswered question. iphone safari iphone standalone web app share improve this question I found JavaScript solution in iWebKit framework var a document.getElementsByTagName a for var i 0 i a.length i a i .onclick function window.location this.getAttribute href return false share improve this answer..
Does UIGestureRecognizer work on a UIWebView? http://stackoverflow.com/questions/2909807/does-uigesturerecognizer-work-on-a-uiwebview your event handler you can use event.preventDefault to stop the default behavior. I also found the webkit user select none css property handy for some things. var touch function touch_start event TouchEvent event.preventDefault touch touch.startX event.touches.item 0 .pageX touch.startY event.touches.item 0 .pageY touch.startT..
Autoplay audio files on an iPad with HTML5 http://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5 fake click solution http www.roblaplaca.com examples html5AutoPlay Copy Pasted Code from the site script type text javascript function fakeClick fn var a ' a href # id fakeClick a ' a.bind click function e e.preventDefault fn body .append a var evt el #fakeClick .get 0 if document.createEvent evt document.createEvent.. the site script type text javascript function fakeClick fn var a ' a href # id fakeClick a ' a.bind click function e e.preventDefault fn body .append a var evt el #fakeClick .get 0 if document.createEvent evt document.createEvent MouseEvents if evt.initMouseEvent evt.initMouseEvent click true true window 0 0 0.. if evt.initMouseEvent evt.initMouseEvent click true true window 0 0 0 0 0 false false false false 0 null el.dispatchEvent evt el .remove function var video #someVideo .get 0 fakeClick function video.play script This is not my source. I've found this some time ago and tested the code on an IPad and IPhone with..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos app to extract the geodata from the selected photo. They seem to do this by reading the original file from the private var mobile Media DCIM 100APPLE folder and running it through an EXIF library. However I can't work out a way of matching a photo.. is OK but all tag values returns nil In case you want to give a try to the library you need to define a global variable to get it running as explained in the doc but hum.. BOOL gLogging FALSE UPDATE 2 Answer here iPhone access location..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention ivar naming convention duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class.. ivar naming convention duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've noticed that in a lot of the reference materials out there I see that a lot.. objective c class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew . T . U 1 w' with appropriate P Q R S T U that maps the 4 points to the expected locations. 6 unique coordinates and 6 variables should have exactly 1 solution most of the cases. When you have found these 6 constants you can craft a CATransform3D.. use this function you may need a transpose function compute_transform_matrix X Y W H x1a y1a x2a y2a x3a y3a x4a y4a var y21 y2a y1a y32 y3a y2a y43 y4a y3a y14 y1a y4a y31 y3a y1a y42 y4a y2a var a H x2a x3a y14 x2a x4a y31 x1a x4a y32 x1a.. X Y W H x1a y1a x2a y2a x3a y3a x4a y4a var y21 y2a y1a y32 y3a y2a y43 y4a y3a y14 y1a y4a y31 y3a y1a y42 y4a y2a var a H x2a x3a y14 x2a x4a y31 x1a x4a y32 x1a x3a y42 var b W x2a x3a y14 x3a x4a y21 x1a x4a y32 x1a x2a y43 var c H X x2a..
How do I reset the scale/zoom of a web app on an orientation change on the iPhone? http://stackoverflow.com/questions/2557801/how-do-i-reset-the-scale-zoom-of-a-web-app-on-an-orientation-change-on-the-iphon you allow scalability again with this script if navigator.userAgent.match iPhone i navigator.userAgent.match iPad i var viewportmeta document.querySelector 'meta name viewport ' if viewportmeta viewportmeta.content 'width device width minimum..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing it begins to run I get the following error dyld Symbol not found _OBJC_CLASS_ _UISplitViewController Referenced from var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app Test Expected in System Library Frameworks UIKit.framework.. 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app Test Expected in System Library Frameworks UIKit.framework UIKit in var mobile Applications 9770ACFA 0B88 41D4 AF56 77B66B324640 Test.app TEST As the App is built programmatically rather than..
iPhone Safari Web App opens links in new window http://stackoverflow.com/questions/2898740/iphone-safari-web-app-opens-links-in-new-window safari iphone standalone web app share improve this question I found JavaScript solution in iWebKit framework var a document.getElementsByTagName a for var i 0 i a.length i a i .onclick function window.location this.getAttribute href.. improve this question I found JavaScript solution in iWebKit framework var a document.getElementsByTagName a for var i 0 i a.length i a i .onclick function window.location this.getAttribute href return false share improve this answer..
Does UIGestureRecognizer work on a UIWebView? http://stackoverflow.com/questions/2909807/does-uigesturerecognizer-work-on-a-uiwebview to stop the default behavior. I also found the webkit user select none css property handy for some things. var touch function touch_start event TouchEvent event.preventDefault touch touch.startX event.touches.item 0 .pageX touch.startY..
Autoplay audio files on an iPad with HTML5 http://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5 examples html5AutoPlay Copy Pasted Code from the site script type text javascript function fakeClick fn var a ' a href # id fakeClick a ' a.bind click function e e.preventDefault fn body .append a var evt el #fakeClick .get.. fakeClick fn var a ' a href # id fakeClick a ' a.bind click function e e.preventDefault fn body .append a var evt el #fakeClick .get 0 if document.createEvent evt document.createEvent MouseEvents if evt.initMouseEvent evt.initMouseEvent.. click true true window 0 0 0 0 0 false false false false 0 null el.dispatchEvent evt el .remove function var video #someVideo .get 0 fakeClick function video.play script This is not my source. I've found this some time ago and..
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