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2014/10/15 ¤U¤È 10:13:39
iphone Programming Glossary: scalesUIScrollView ImageView with pins on top http://stackoverflow.com/questions/1051912/uiscrollview-imageview-with-pins-on-top and won't scale yet show pins over where I plot them. The pin when added to the layer view don't cale if the ImageView scales. However the issue then becomes the position of the pins doesn't match the original origin x y as the ImageView has had..
Full webpage and disabled zoom viewport meta tag for all mobile browsers http://stackoverflow.com/questions/11345896/full-webpage-and-disabled-zoom-viewport-meta-tag-for-all-mobile-browsers height target densitydpi device dpi user scalable yes Android 4.x Same rule apply as 2.3.x except the min and max scales are not honored anymore and if you use user scalable yes the user can always zoom setting it to 'no' means your own scale..
How to implement a box or gaussian blur on iPhone http://stackoverflow.com/questions/1140117/how-to-implement-a-box-or-gaussian-blur-on-iphone layer setRasterizationScale 0.25 layer setShouldRasterize YES This rasterizes the view down to 4x4 pixel chunks then scales it back up using bilinear filtering... it's EXTREMELY fast and looks ok if you are just wanting to blur a background view..
What does the Tiler Utilization statistic mean in the iPhone OpenGL ES instrument? http://stackoverflow.com/questions/1287811/what-does-the-tiler-utilization-statistic-mean-in-the-iphone-opengl-es-instrumen the duty cycle of the vertex and fragment processing hardware respectively. On the MBX Tiler Utilization typically scales with the amount of vertex data being sent to the GPU in terms of both the number of vertices and the size of the attributes..
obtaining the rotation and size of a UIImageView based on its transformation matrices http://stackoverflow.com/questions/1379811/obtaining-the-rotation-and-size-of-a-uiimageview-based-on-its-transformation-mat of matrix algebra and trigonometric identities can help you solve this. We'll work forward to generate a matrix that scales and rotates and then use that to figure out how to extract the scale factors and rotations analytically. A scaling matrix..
how to implement an iPhone view transition animation with both flipping and scaling? http://stackoverflow.com/questions/1755492/how-to-implement-an-iphone-view-transition-animation-with-both-flipping-and-scal implement the animation we see in the iPhone Music app's coverflow screen when you click on a small view it flips and scales up to another view how can I do this I can use core animation to flip and scale a view but how can I do the transition to..
http://stackoverflow.com/questions/2336976/simple-mvc-setup-design best method is to park the data model object in the app delegate. However that to can become unwieldily as the project scales. It certainly doesn't help that every piece of instructional tutorial information I have seen pretty much ignores the data..
UIWebView loading progress and adjust web page to fit the view page? http://stackoverflow.com/questions/2560721/uiwebview-loading-progress-and-adjust-web-page-to-fit-the-view-page to tell user the percentage of loading a web page. What is the technology for this 3.I know there is property scalesPageToFit scalesPageToFit A Boolean value determining whether the webpage scales to fit the view and the user can change.. user the percentage of loading a web page. What is the technology for this 3.I know there is property scalesPageToFit scalesPageToFit A Boolean value determining whether the webpage scales to fit the view and the user can change the scale. I try.. for this 3.I know there is property scalesPageToFit scalesPageToFit A Boolean value determining whether the webpage scales to fit the view and the user can change the scale. I try to set it to YES but it looks like that it is not in public API..
How use CGImageCreateWithImageInRect for iPhone 4 (HD)? http://stackoverflow.com/questions/3150364/how-use-cgimagecreatewithimageinrect-for-iphone-4-hd 2 but the resulting image has a scale 1 and wrong size. How to handle this behavior taking into account the different scales for iPhone 3G s and the iPhone 4 I have read this document but about the use CGImageCreateWithImageInRect here says nothing...
Convert GPS coordinates to coordinate plane http://stackoverflow.com/questions/3588653/convert-gps-coordinates-to-coordinate-plane
How do I adjust a Quartz 2D context to account for a Retina display? http://stackoverflow.com/questions/3896968/how-do-i-adjust-a-quartz-2d-context-to-account-for-a-retina-display I have a Quartz 2D game which draws directly onto a context. For this reason I am having to adapt the code so that it scales if appropriate for a Retina display. I am doing this using the following code CGFloat displayScale if UIScreen mainScreen..
Line artifacts in mobile Safari http://stackoverflow.com/questions/3903106/line-artifacts-in-mobile-safari artifacts in mobile Safari Safari renders black lines in between divs on my website at some scales. It is particularly bad when it breaks apart an image that is chopped in two different divs for a button or something. I..
How to animate while resizing UIView http://stackoverflow.com/questions/4586297/how-to-animate-while-resizing-uiview point around via the anchorPoint property but we don't need to worry about that in this case. The reason the view scales in both directions is that the scaling operation happens around the center . The easiest thing to to then is to move the..
Applying Effect to iPhone Camera Preview “Video” http://stackoverflow.com/questions/4893620/applying-effect-to-iphone-camera-preview-video photos in all four interface orientations with both the back and when available front camera. Properly rotates and scales the preview video as well as the full resolution photo. Allows a simple effect to be applied to BOTH the preview video and..
Actual frequency of device motion updates lower than expected, but scales up with setting http://stackoverflow.com/questions/5034411/actual-frequency-of-device-motion-updates-lower-than-expected-but-scales-up-wit frequency of device motion updates lower than expected but scales up with setting I am porting an app that I originally wrote using the accelerometer for IOS 3 to incorporate the new IOS..
Custom transition between two UIViews http://stackoverflow.com/questions/5511514/custom-transition-between-two-uiviews A is full screen. I'd like to write a custom transition that flips A to reveal B on the back side but simultaneously scales the flipping rectangle so that when the flip is finished B is full screen. I've tried using the flip transitions available..
update frequency set for deviceMotionUpdateInterval it's the actual frequency? http://stackoverflow.com/questions/6777799/update-frequency-set-for-devicemotionupdateinterval-its-the-actual-frequency people are reporting the same phenomenon for example Actual frequency of device motion updates lower than expected but scales up with setting but there is still no answer. Surprisingly you are the first on to report higher actual frequencies. I did..
Responsive website on iPhone - unwanted white space on rotate from landscape to portrait http://stackoverflow.com/questions/8004707/responsive-website-on-iphone-unwanted-white-space-on-rotate-from-landscape-to a responsive website and have just noticed a strange behaviour in my content pages when viewed on the iPhone. It scales correctly when loaded in portrait mode and also when rotated to landscape. However when rotating back to portrait the page..
Getting the visible rect of an UIScrollView's content http://stackoverflow.com/questions/868288/getting-the-visible-rect-of-an-uiscrollviews-content myScrollView.bounds The code above works when there's no zooming but as soon as you allow zooming it breaks at zoom scales other than 1. To clarify I want a CGRect that contains the visible area of the scroll view's content relative to the content...
How to disable vertical bounce/scroll on iPhone in a mobile web application http://stackoverflow.com/questions/9669670/how-to-disable-vertical-bounce-scroll-on-iphone-in-a-mobile-web-application properly. The page is zoomed out view from like a desktop browser and zooming is disabled. Without the code the page scales perfectly right from an 50 tv to the smallest nokia on the planet. Am I doing something wrong Im starting to think the problem..
Full webpage and disabled zoom viewport meta tag for all mobile browsers http://stackoverflow.com/questions/11345896/full-webpage-and-disabled-zoom-viewport-meta-tag-for-all-mobile-browsers me to this question... You cannot seem to disable zoom and scale at the same time in 4.x. iOS Safari 4.x 5.x tested Scales work as expected you can disable scaling with user scalable 0 keywords yes no don't work in 4.x . iOS Safari also has no.. into the iOS orientation bug meta name viewport content initial scale 1.0 width device width user scalable 0 Chrome Scales work as expected like they do in iOS min and max are honored and you can switch off zooming by using user scalable no ...
iPhone UIWebView width does not fit after zooming operation + UIInterfaceOrientation change http://stackoverflow.com/questions/2890673/iphone-uiwebview-width-does-not-fit-after-zooming-operation-uiinterfaceorienta does not fit after zooming operation UIInterfaceOrientation change I created a bare bones iPhone app with a UIWebView Scales Page to Fit YES shouldAutorotateToInterfaceOrientation YES and loaded a webpage e.g. http stackoverflow.com Rotating the..
iOS SDK UIViewContentModeScaleAspectFit vs. UIViewContentModeScaleAspectFill http://stackoverflow.com/questions/3182649/ios-sdk-uiviewcontentmodescaleaspectfit-vs-uiviewcontentmodescaleaspectfill Does anyone have any examples of how these actually differ in practice The docs say UIViewContentModeScaleAspectFit Scales the content to fit the size of the view by maintaining the aspect ratio. Any remaining area of the view ™s bounds is transparent... maintaining the aspect ratio. Any remaining area of the view ™s bounds is transparent. UIViewContentModeScaleAspectFill Scales the content to fill the size of the view. Some portion of the content may be clipped to fill the view ™s bounds. But these..
http://stackoverflow.com/questions/3632084/uiwebview-rotation-on-ipad Think of taking a Web browser window and shrinking it. Why isn't that happening for me I would like to avoid using the Scales Pages to Fit property because the text shrinks non deterministically. iphone ipad uiwebview resize rotation share improve..
Difference between UIViewContentModeScaleAspectFit and UIViewContentModeScaleToFill? http://stackoverflow.com/questions/4895272/difference-between-uiviewcontentmodescaleaspectfit-and-uiviewcontentmodescaletof question If you are talking about UIViewContentMode the following is from the Doc . UIViewContentModeScaleToFill Scales the content to fit the size of itself by changing the aspect ratio of the content if necessary. UIViewContentModeScaleAspectFit.. to fit the size of itself by changing the aspect ratio of the content if necessary. UIViewContentModeScaleAspectFit Scales the content to fit the size of the view by maintaining the aspect ratio. Any remaining area of the view ™s bounds is transparent... maintaining the aspect ratio. Any remaining area of the view ™s bounds is transparent. UIViewContentModeScaleAspectFill Scales the content to fill the size of the view. Some portion of the content may be clipped to fill the view ™s bounds. share..
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