2014/10/15 下午 10:11:31

iphone Programming Glossary: movements

http://stackoverflow.com/questions/1664383/iphone-signature-capture

capture a customer signature. A web app would be ideal but unfortunately Mobile Safari doesn't appear to allow mouse movements to be captured by javascript. It traps them for screen manipulation. So my question is in two parts Is there any way a web..

How to program smooth movement with the accelerometer like a labyrinth game on iPhone OS?

http://stackoverflow.com/questions/2272969/how-to-program-smooth-movement-with-the-accelerometer-like-a-labyrinth-game-on-i

seems very jittery and isnt realistic at all. The ball images seems to never be able to stop and does lots of jittery movements around everywhere. void accelerometer UIAccelerometer accelerometer didAccelerate UIAcceleration acceleration deviceTilt.x..

How to detect iPhone movement in space using accelerometer?

http://stackoverflow.com/questions/2674717/how-to-detect-iphone-movement-in-space-using-accelerometer

this I get quite good values I mean I can see the acceleration going into positive or negative values according to the movements I make. But when I try to apply that position to my ball view I can see it is moving but with a propencity to go more in..

Implementing touch-based rotation in cocoa touch

http://stackoverflow.com/questions/2780536/implementing-touch-based-rotation-in-cocoa-touch

touch based rotation in cocoa touch I am wondering what is the best way to implement rotation based dragging movements in my iPhone application. I have a UIView that I wish to rotate around its centre when the users finger is touch the view..

How to implement a cyclic UIScrollView?

http://stackoverflow.com/questions/3421269/how-to-implement-a-cyclic-uiscrollview

only three pages in total. Of course you also need to manipulate the position of the UIScrollView so you can make the movements the net result is you don't move although it looks like you have. When you have done the scroll and altered the views according..

Fast, very lightweight algorithm for camera motion detection?

http://stackoverflow.com/questions/4393841/fast-very-lightweight-algorithm-for-camera-motion-detection

the depth levels downsample the image track fewer points but then accuracy suffers and it starts to miss some large movements and trigger on small hand shaking y ones. So my question is is there another optical flow algorithm that's faster than Lucas..

I want To track The Speed Of the fingure movement in pixel Per Second Is It Possible Any WaY?

http://stackoverflow.com/questions/5075291/i-want-to-track-the-speed-of-the-fingure-movement-in-pixel-per-second-is-it-poss

sdk 3.0 touch uitouch share improve this question I'll assume you want to know the velocity between consecutive movements and not an average over a series of movements. The theory should be easy enough to adapt if you have other requirements.. question I'll assume you want to know the velocity between consecutive movements and not an average over a series of movements. The theory should be easy enough to adapt if you have other requirements though. You will need to know three things Where..

iPhone - understanding iPhone rotation

http://stackoverflow.com/questions/5170010/iphone-understanding-iphone-rotation

other angles thanks. iphone core motion share improve this question Given the case that you can live with delta movements you can use quaternion difference operation. Let's say you have a previous rotation as quaternion called q1 and the current..

How to set accuracy and distance filter when using MKMapView

http://stackoverflow.com/questions/5930612/how-to-set-accuracy-and-distance-filter-when-using-mkmapview

To setup core location self.locationManager CLLocationManager new self.locationManager.purpose @ Tracking your movements on the map. self.locationManager.delegate self Pinpoint our location with the following accuracy kCLLocationAccuracyBestForNavigation.. Notify changes when device has moved x meters. Default value is kCLDistanceFilterNone all movements are reported. self.locationManager.distanceFilter 10.0f Notify heading changes when heading is 5. Default value is kCLHeadingFilterNone.. 10.0f Notify heading changes when heading is 5. Default value is kCLHeadingFilterNone all movements are reported. self.locationManager.headingFilter 5 update location if CLLocationManager locationServicesEnabled self.locationManager..

track small movements of iphone with no GPS

http://stackoverflow.com/questions/6158176/track-small-movements-of-iphone-with-no-gps

small movements of iphone with no GPS I have to write an application for iphone that tracks the movement of the iphone itself given its..

Distance moved by Accelerometer

http://stackoverflow.com/questions/6645126/distance-moved-by-accelerometer

the gyro mouse might work for your application see between 37 00 38 25 in the video. Similar questions track small movements of iphone with no GPS What is the real world accuracy of phone accelerometers when used for positioning how to calculate..

how to record screen video as like Talking Tomcat application does in iphone?

http://stackoverflow.com/questions/6980370/how-to-record-screen-video-as-like-talking-tomcat-application-does-in-iphone

First of all to my surprise i found that talking tomcat is not a 3D game app...it uses frame animations for all movements. and if some one wants to capture the that kind of view then they can use following code UIGraphicsBeginImageContext self.view.bounds.size..

Extending UIScrollView and Monitoring Scroll Events

http://stackoverflow.com/questions/719392/extending-uiscrollview-and-monitoring-scroll-events

scroll behavior in an iPhone app so I'm extending UIScrollView with my custom control and wish to track scroll movements. Now I'm aware that I could probably assign my custom control as a UIScrollViewDelegate and internally respond to scrollViewDidScroll..

UIScrollView : paging horizontally, scrolling vertically?

http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically

to UIScrollView. The user experience will be suboptimal in this case however because you will have to ignore diagonal movements instead of forcing them into a single direction. If you're feeling really adventurous you can write your own UITouch lookalike..

Could not load NIB in bundle: 'NSBundle when using storyboarding

http://stackoverflow.com/questions/8689235/could-not-load-nib-in-bundle-nsbundle-when-using-storyboarding

storyboarding I am getting the following error when I use my app for a little while. Usually takes between 50 and 100 movements to cause the crash. I am not making sense of it though as I am using storyboards and it is a NIB error. Terminating app..

Is there an way to pause an Core Animation and resume it at some time later?

http://stackoverflow.com/questions/929974/is-there-an-way-to-pause-an-core-animation-and-resume-it-at-some-time-later

temporarily and then when some things are done resume it to complete it. These things happen only on very fast scroll movements in an UIScrollView. I want to improve performance by stopping all ongoing animations but not the one that makes the scroll..