2014/10/15 下午 10:15:33

iphone Programming Glossary: upwards

http://stackoverflow.com/questions/10317951/drag-down-uiview-in-ios-5

down into visible area of main view or check if move direction is up and pulldownView visible and if so push upwards out of visible area. Implement touchesEnd where you end the drag or push movement by checking in which direction the pulldownView..

Xcode 4.4 error - Timed out waiting for app to launch

http://stackoverflow.com/questions/11683308/xcode-4-4-error-timed-out-waiting-for-app-to-launch

out waiting for app to launch yesterday I installed Xcode 4.4. I'm working on a project which needs to run on ios 4.1 upwards supporting iOS device with camera. Until I installed Xcode 4.4 everything went well and I can test app on iphone 3gs and..

Send Data Every 10 minutes

http://stackoverflow.com/questions/4098663/send-data-every-10-minutes

NSTimeInterval to compare between the updated location's datestamp and this value. I am using 30s but you can adjust upwards. It's a bit of hack but it works with background running etc. void locationManager CLLocationManager manager didUpdateToLocation..

Compensating compass lag with the gyroscope on iPhone 4

http://stackoverflow.com/questions/4212988/compensating-compass-lag-with-the-gyroscope-on-iphone-4

by deviceMotion.gravity.z and swinging counterclockwise and 0 to PI when swung clockwise when the device is pointing upwards yaw ranges from PI to 0 and PI to 0 respectively and from the compass data I'm using locationManager.heading.magneticHeading..

iOS — how do you control the size of a modal view controller?

http://stackoverflow.com/questions/4231022/ios-how-do-you-control-the-size-of-a-modal-view-controller

myHalfView.bounds offScreenFrame.origin CGPointMake 0.0 CGRectGetMaxY self.view.frame Now animate the view upwards UIView beginAnimations nil context nil Move the view upwards the height of your sliding view so it's entirely onscreen myHalfView.center.. 0.0 CGRectGetMaxY self.view.frame Now animate the view upwards UIView beginAnimations nil context nil Move the view upwards the height of your sliding view so it's entirely onscreen myHalfView.center CGPointMake myHalfView.center.x myHalfView.center.y..

Memory issues migrating large CoreData datastores on iPhone

http://stackoverflow.com/questions/4875553/memory-issues-migrating-large-coredata-datastores-on-iphone

CoreData datastores on iPhone My app has a potentially very large CoreData datastore underneath it could easily be upwards of 30MB . I've started noticing memory issues when using the automatic migration addPersistentStoreWithType configuration..

Relationship between UIVIew and CALayer regarding background image on iOS

http://stackoverflow.com/questions/5916581/relationship-between-uiview-and-calayer-regarding-background-image-on-ios

also is the the UIView's transform. CoreGraphics and friends use a coordinate system where the positive y axis points upwards. UIKit flips this coordinate system. This is why the image appears upside down. If you add labels views buttons etc. the..

Implementing steps/snapping UISlider

http://stackoverflow.com/questions/6370342/implementing-steps-snapping-uislider

I have written the following code but it does not work as smooth as I hoped for. It works but when the I slide it upwards it snap 5points to the right leaving the finger not centered over the slide circle This is my code where self.lastQuestionSliderValue..

UIScrollView with centered UIImageView, like Photos app

http://stackoverflow.com/questions/638299/uiscrollview-with-centered-uiimageview-like-photos-app

share improve this question This code should work on most versions of iOS and has been tested to work on 3.1 upwards . It's based on the Apple WWDC code mentioned in Jonah's answer. Add the below to your subclass of UIScrollView and replace..

CoreAudio AudioTimeStamp.mHostTime clock frequency?

http://stackoverflow.com/questions/675626/coreaudio-audiotimestamp-mhosttime-clock-frequency

number of ticks since the last boot. At every boot the tick counter starts at zero. The tick counter counts strictly upwards it never goes backwards . The tick counter only counts ticks while the system is running. As you can see the tick counter.. the system's best approximation of the current wall clock time . The normal system clock also is not running strictly upwards e.g. the system clock might be ahead of time and the system regularly synchronize the system time using NTP Network Time..

UIModalTransitionStylePartialCurl with UITabBarController

http://stackoverflow.com/questions/6873903/uimodaltransitionstylepartialcurl-with-uitabbarcontroller

for one of the tabs which itself has a MKMapView as its root vc. The behaviour I want is for the map to partially curl upwards while leaving the tab bar in place similar to the Maps app . So far all I have managed to get working is for the whole view..

Creating a popover on iPhone?

http://stackoverflow.com/questions/8146580/creating-a-popover-on-iphone

a popover on iPhone I want to create a custom style popover on the iphone. I want it to have an arrowhead pointing upwards. Any ideas on how I could achieve this iphone objective c ios cocoa touch share improve this question Create an UIView..

Mobile development - Native VS Cross Platform VS JavaScript [closed]

http://stackoverflow.com/questions/8865277/mobile-development-native-vs-cross-platform-vs-javascript

is to go native. And you need an UX guy and a designer who knows mobile development on team full time. You will spend upwards of 50 of time on looks. The project that I'm part of now is spending 80 of time on looks graphics animations UX usability..

Simple gun in cocos2d+box2d game

http://stackoverflow.com/questions/9164146/simple-gun-in-cocos2dbox2d-game

when you define the body and use GetWorldVector to see how it has changed. For example if the gun is pointing directly upwards when you create the body this would be the direction 0 1 . Then you can use GetWorldVector at any time to get the current..