2014/10/15 下午 10:13:30

iphone Programming Glossary: rotates

Drawing rotated text with NSString drawInRect

http://stackoverflow.com/questions/10289898/drawing-rotated-text-with-nsstring-drawinrect

this question I think what's happening is that you're rotating the text to a location outside of the view because it rotates the context by pivoting on the origin. After your rotation you need to do a translation to move the context back into the..

iOS PNG Image rotated 90 degrees

http://stackoverflow.com/questions/10307521/ios-png-image-rotated-90-degrees

time to either copy the image out of my application onto the PasteBoard or save the image to my camera roll the image rotates 90 degrees. I've searched everywhere on this and one of the things I learned is that if I used JPEGs I wouldn't have this..

How can I enforce an specific direction (i.e. clockwise) of rotation in Core Animation?

http://stackoverflow.com/questions/1149635/how-can-i-enforce-an-specific-direction-i-e-clockwise-of-rotation-in-core-ani

I have an object which I want to spin around for about 320 degrees. Now Core Animation is clever and just rotates it as much as needed doing that by rotating it with 40 degrees. So the object rotates the other way around with a shorter.. Animation is clever and just rotates it as much as needed doing that by rotating it with 40 degrees. So the object rotates the other way around with a shorter amount of movement. I want to constrain it to rotate clockwise. Would I have to do that.. an more elegant way iphone cocoa touch uikit core animation share improve this question The following snippet rotates a view called someView by using key framed animation. The animation consists of 3 frames spread over 1 second with the view..

How to set viewport meta for iPhone that handles rotation properly?

http://stackoverflow.com/questions/1230019/how-to-set-viewport-meta-for-iphone-that-handles-rotation-properly

scale 1.0 maximum scale 1.0 to get my HTML content to display nicely on the iPhone. It works great until the user rotates the device into landscape mode where the display remains constrained to 320px. Is there a simple way to specify a viewport..

Autorotate in iOS 6 has strange behaviour

http://stackoverflow.com/questions/12526054/autorotate-in-ios-6-has-strange-behaviour

iOS 6: How do I restrict some views to portrait and allow others to rotate?

http://stackoverflow.com/questions/12630359/ios-6-how-do-i-restrict-some-views-to-portrait-and-allow-others-to-rotate

screen view controller typically the root view controller for its supported interface orientations whenever the device rotates or whenever a view controller is presented with the full screen modal presentation style. Moreover the supported orientations.. behavior. Here comes the question If I now navigate to my fourth view in portrait mode and turn the phone over it rotates to landscape. Now I press the back button to return to my third view which is supposed to work portrait only. But it doesn't..

MFMailComposeViewController image orientation

http://stackoverflow.com/questions/20204495/mfmailcomposeviewcontroller-image-orientation

gImag send image to screen It is display correctly because this line of code sees the orientation property and rotates the image appropriately while NOT touching the underlying storage at 3264x2448 . Flow of control goes to the E Mailer code..

UIImagePickerController in Landscape

http://stackoverflow.com/questions/2083672/uiimagepickercontroller-in-landscape

' UIDevice currentDevice setOrientation UIInterfaceOrientationLandscapeRight Set Notifications so that when user rotates phone the orientation is reset to landscape. UIDevice currentDevice beginGeneratingDeviceOrientationNotifications Refer..

Can I trigger a CSS event in mobile safari upon iphone orientation change?

http://stackoverflow.com/questions/2313194/can-i-trigger-a-css-event-in-mobile-safari-upon-iphone-orientation-change

safari upon iphone orientation change I'm trying to figure out how to change an embedded web page when the user rotates their phone from portrait to landscape mode basically to load a view that is better suited to the wider screen format. Is..

Easiest way to support multiple orientations? How do I load a custom NIB when the application is in Landscape?

http://stackoverflow.com/questions/2496554/easiest-way-to-support-multiple-orientations-how-do-i-load-a-custom-nib-when-th

want to rotate. I use a navigation controller to manage the transition. If I have the portrait view up and the device rotates I push the landscape view and then pop the landscape view when it return to portrait. Edit I return YES for all orientations.. orientation usually portrait and then immediately rotate. See mobile Safari. It always starts in portrait and then rotates to landscape. These are the two methods I used to swap out my portrait and landscape views. All three view controllers have.. in portrait. If the orientation of the device is landscape it pushes the appropriate landscapes. When the device rotates back to portrait it pops the landscape. To the user it looks like the same view reorganizing itself for a different orientation...

Transitioning to landscape rotation within a uinavigationcontroller

http://stackoverflow.com/questions/2922919/transitioning-to-landscape-rotation-within-a-uinavigationcontroller

a uinaviagtioncontroller whose initial view is in portrait... So you click a button or tableviewcell and the screen rotates 90簞 into the new view.. How would I manage that This is similar to how the Youtube app works when transitioning from movie.. reliably if you show a view modally using presentModalViewController and it can appear in only one orientation the app rotates to that orientation. So the solution is don't push your landscape view into the navigation controller present it as a modal..

Rotating the iPhone, and instantiating a new UIViewController?

http://stackoverflow.com/questions/730799/rotating-the-iphone-and-instantiating-a-new-uiviewcontroller

the iPhone and instantiating a new UIViewController I would like to implement the following. When the user rotates the iPhone I want to instantiate a new UIViewController automatically upon rotation not clicking a button or performing..

How to capture current view screenshot and reuse in code? (iPhone SDK)

http://stackoverflow.com/questions/879064/how-to-capture-current-view-screenshot-and-reuse-in-code-iphone-sdk

view screenshot and reuse in code iPhone SDK I am attemting to transition from one UIView to another when the user rotates the device. This in of itself is not difficult. However since I am displaying completely different content after the rotation..

UINavigationController and autorotation

http://stackoverflow.com/questions/970482/uinavigationcontroller-and-autorotation

the back button which calls popViewControllerAnimated the first view will appear rotated unexpected . If the user rotates the device back to portrait orientation the view will rotate and then be stuck in portrait mode as before. This works but..