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2014/10/15 ¤U¤È 10:14:43
iphone Programming Glossary: tallUIView doesn't resize to full screen when hiding the nav bar & tab bar http://stackoverflow.com/questions/1110052/uiview-doesnt-resize-to-full-screen-when-hiding-the-nav-bar-tab-bar and it looks like the parent view is not resizing enough. after going fullscreen the view's frame is only 411 pixels tall. I've tried messing with the frame manually and also setting autoResizeMask with no luck. UPDATE Here's the end result void..
iOS: Multi-line UILabel in Auto Layout http://stackoverflow.com/questions/12789013/ios-multi-line-uilabel-in-auto-layout all lines of text. I also need the other two labels and the small image to be laid out right below the title however tall it happens to be. I have set vertical spacing constraints between the labels and small image as well as a top spacing constraint..
Large cells in a UICollectionView getting removed while the cell is still displayed http://stackoverflow.com/questions/13016302/large-cells-in-a-uicollectionview-getting-removed-while-the-cell-is-still-displa of the collection view. To demonstrate make a collection view that is a single column and have a cell that is 10000px tall when scrolling over the very tall cell it will disappear after about 1000px of content is scrolled off the screen and will.. make a collection view that is a single column and have a cell that is 10000px tall when scrolling over the very tall cell it will disappear after about 1000px of content is scrolled off the screen and will reappear to display the final 1000px..
Force UIImagePickerController to take photo in portrait orientation/dimensions iOS http://stackoverflow.com/questions/14484816/force-uiimagepickercontroller-to-take-photo-in-portrait-orientation-dimensions-i portrait in shouldAutorotateToInterfaceOrientation The problem is when I take a picture while holding the phone horizontally landscape the photo will be taken in landscape orientation while the UI remains in portrait mode. This means in landscape.. while the UI remains in portrait mode. This means in landscape mode I get a wide image of 3264 x 2448 instead of the tall image 2448 x 3264 I get in portrait mode. Next the user can crop the image but if the image is taken in landscape mode I.. a way to force the UIImagePickerController to take a photo in portrait dimensions even though the phone is held horizontally landscape mode I initialize the UIImagePickerController with the following settings imagePicker UIImagePickerController..
UISegmentedControl Best Practice http://stackoverflow.com/questions/2118358/uisegmentedcontrol-best-practice separately in IB then create a container in the main view to populate with the subview that you need Set up one really tall or really wide UIView and animate it left right or up down depending on the selected segment Use a UITabBarController to..
Is there a way to change the height of a UIToolbar? http://stackoverflow.com/questions/2135407/is-there-a-way-to-change-the-height-of-a-uitoolbar the height of a UIToolbar I've got an UIToolbar in Interface Builder and I've noticed that it's locked to being 44px tall. Of course I'd like to make this larger. Does Apple allow resizing of this control If so how do I go about it iphone xcode.. Sure just set its frame differently myToolbar setFrame CGRectMake 0 50 320 35 This will make your toolbar 35 pixels tall. Of course this requires an IBOutlet or creating the UIToolbar programmatically but that's very easy to do. share improve..
http://stackoverflow.com/questions/2247647/offset-on-uiwindow-addsubview
http://stackoverflow.com/questions/262156/uiimage-rounded-corners as a guide. if CGSizeEqualToSize imageSize targetSize NO use the longeset edge as a guide. if the image is wider than tall we'll figure out the scale factor by dividing it by the intended width. Otherwise we'll use the height. float widthFactor.. scaledWidth width scaleFactor scaledHeight height scaleFactor center the thumbnail in the frame. if wider than tall we need to adjust the vertical drawing point y axis if widthFactor heightFactor thumbnailPoint.y targetSize.height scaledHeight..
“Incorrect” frame / window size after re-orientation in iPhone http://stackoverflow.com/questions/2686882/incorrect-frame-window-size-after-re-orientation-in-iphone is 320 pixels wide 20 of which are not available to you at the moment since the status bar is showing and 480 pixels tall. If your view is auto rotating then the width height have been translated for you but when you ask for the actual dimensions..
Changing the text on a UISwitch http://stackoverflow.com/questions/2711180/changing-the-text-on-a-uiswitch
CGContextDrawPDFPage taking up large amounts of memory http://stackoverflow.com/questions/2975240/cgcontextdrawpdfpage-taking-up-large-amounts-of-memory copious amounts of memory when attempting to draw the page. Even though the image is only supposed to be around 100px tall the application crashes while drawing one page in particular which according to Instruments allocates about 13 MB of memory..
iPhone 4 Camera Specifications - Field of View / Vertical-Horizontal Angle http://stackoverflow.com/questions/3594199/iphone-4-camera-specifications-field-of-view-vertical-horizontal-angle rear camera. Thanks iphone camera augmented reality iphone 4 share improve this question If the sensor is 3.39 mm tall referenced to landscape mode then half that is 1.695 mm. Focal length for the iPhone 4 is listed as 3.85 mm. atan 1.695..
Limiting the scrollable area in UIScrollView http://stackoverflow.com/questions/3973461/limiting-the-scrollable-area-in-uiscrollview the upper left boundary you want appears at 0 0 relative to the scroll view. For example if your view is 800 points tall and you want to show the bottom quarter set the height of contentSize to 200 and set the y component of view.frame.origin..
Implementing pull to refresh view feature http://stackoverflow.com/questions/6392048/implementing-pull-to-refresh-view-feature to the scroll view such that its frame is off the top of the screen. Something like CGRectMake 0 30 320 30 for a 30pt tall indicator view. Implement “scrollViewDidScroll to update your Pull to Refresh view as the user is dragging. Implement “scrollViewDidEndDragging..
Scrolling two UITableViews together http://stackoverflow.com/questions/8334340/scrolling-two-uitableviews-together else who wants it. New answer It depends how you want the tables sync'd. If you know Which cells are in the top 5 How tall each cell is The offset the table view Then you can calculate which cell is visible at the top of the top 5 table. You can..
What's the difference between frame and layout in Interface builder's size inspector? http://stackoverflow.com/questions/914102/whats-the-difference-between-frame-and-layout-in-interface-builders-size-inspe occupies and it's frame are vastly different. For example a regular size push button looks to be about 20 points tall on the screen with a 2 or 3 point drop shadow. In reality the frame of a properly configured push button is 32 points tall.. on the screen with a 2 or 3 point drop shadow. In reality the frame of a properly configured push button is 32 points tall not ~23. This extra 9 points points of padding isn't visually apparent. Layout Rectangle is the name Interface Builder uses.. The Apple Human Interface Guidelines might make the statement that Two push buttons aligned vertically and horizontally next to each other should have 12 points of space separating them horizontally. This 12 points of space separating the..
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