2014/10/15 下午 10:10:59
iphone Programming Glossary: layoutiOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling and instead uses constraints to lay things out. Nothing will be hard coded and your life will.. It works great out of the box for table views however if your app used pixel perfect layout for displaying content then your best bet would be to re imagine the content so that it can accommodate..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected equal to value of the load address this always worked. But since Apple introduced Address space layout randomization beginning with iOS 4.3 in different variations the apps loading address is randomized..
How do I create a basic UIButton programmatically? http://stackoverflow.com/questions/1378765/how-do-i-create-a-basic-uibutton-programmatically when executing the viewDidLoad method three UIButton s will be created dynamically and its layout or properties are set. iphone uibutton share improve this question Here's one UIButton button UIButton..
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari? http://stackoverflow.com/questions/2593139/ipad-web-app-detect-virtual-keyboard-using-javascript-in-safari . Since the keyboard fills up a huge part of the screen it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However I have found no way to detect when or..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing logic is sound but I tend to share an application delegate and do the interface specific layout further down the line. Update 12 21 2011 As of iOS 4.2 you should no longer need to weak link frameworks..
http://stackoverflow.com/questions/2870680/horizontal-uitableview UITableView I want implement a layout in my ipad application that has a uitable view that scrolls left and right rather then up and down So..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions when starting in landscape mode is desired. The most common observed effect are scrambled layouts and areas of the screen where touches are no longer recognized. A simple search for questions tagged.. on the UINavigationController 's navigation stack will be rotated and rendered with correct layout. If you want your modal view controller to be rotatable to a different orientation than that of the..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting CoreText Framework Since iOS 3.2 a very very good rendering engine. But that's it. Can directly layout and render NSAttributesString s. However there is no user interaction. No text selection no text input..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file once I got my project setup properly it worked fine for my needs. Second depending on the format layout of your PDF you might consider using Interface Builder to create a view that serves as a template for.. for my needs. Again this may or may not make sense for your situation depending on the formatting layout needs of your PDF. EDIT response to 1st comment My implementation is part of a commercial product meaning..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content to the view with addSubview . Prior to that it is equal to frame.size This will not work if auto layout is ON. With auto layout the general approach is to use the sizeThatFits method and update the constant.. . Prior to that it is equal to frame.size This will not work if auto layout is ON. With auto layout the general approach is to use the sizeThatFits method and update the constant value on a height constraint... heightConstraint.constant sizeThatShouldFitTheContent.height heightConstraint is a layout constraint that you typically setup via a IBOutlet by linking the property to the height constraint..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size the extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling and instead uses constraints to lay things out. Nothing will be hard coded and your life will become a lot simpler. However if you have to support older.. UIViewAutoresizingFlexibleWidth UIViewAutoresizingFlexibleHeight It works great out of the box for table views however if your app used pixel perfect layout for displaying content then your best bet would be to re imagine the content so that it can accommodate varying heights. If that's not a possibility then the only..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected
How do I create a basic UIButton programmatically? http://stackoverflow.com/questions/1378765/how-do-i-create-a-basic-uibutton-programmatically a basic UIButton programmatically For example in my view controller when executing the viewDidLoad method three UIButton s will be created dynamically and its layout or properties are set. iphone uibutton share improve this question Here's one UIButton button UIButton buttonWithType UIButtonTypeRoundedRect button addTarget..
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari? http://stackoverflow.com/questions/2593139/ipad-web-app-detect-virtual-keyboard-using-javascript-in-safari App Store app it's written using HTML CSS and JavaScript . Since the keyboard fills up a huge part of the screen it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However I have found no way to detect when or whether the keyboard is shown. My first idea was to assume..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing That should take care of the runtime errors. Your conditional logic is sound but I tend to share an application delegate and do the interface specific layout further down the line. Update 12 21 2011 As of iOS 4.2 you should no longer need to weak link frameworks to prevent errors like this. As Marco Arment describes..
http://stackoverflow.com/questions/2870680/horizontal-uitableview UITableView I want implement a layout in my ipad application that has a uitable view that scrolls left and right rather then up and down So rather than row 1 row 2 row 3 scrolling vertically It would..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions It is especially difficult to implement such an application when starting in landscape mode is desired. The most common observed effect are scrambled layouts and areas of the screen where touches are no longer recognized. A simple search for questions tagged iphone and landscape reveals these issues which occur under.. animated from any of the view controllers on the UINavigationController 's navigation stack will be rotated and rendered with correct layout. If you want your modal view controller to be rotatable to a different orientation than that of the parent view controller you need to return the desired orientation..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting but require a whole new level of headache. Still private. CoreText Framework Since iOS 3.2 a very very good rendering engine. But that's it. Can directly layout and render NSAttributesString s. However there is no user interaction. No text selection no text input no spell checking no replacements no highlights no no no..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file tricky getting libHaru to build with my project initially but once I got my project setup properly it worked fine for my needs. Second depending on the format layout of your PDF you might consider using Interface Builder to create a view that serves as a template for your PDF output. You would then write code to load the view.. everything. I used this approach and it worked out great for my needs. Again this may or may not make sense for your situation depending on the formatting layout needs of your PDF. EDIT response to 1st comment My implementation is part of a commercial product meaning that I can't share the full code but I can give a general..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content is only available after the UITextView has been added to the view with addSubview . Prior to that it is equal to frame.size This will not work if auto layout is ON. With auto layout the general approach is to use the sizeThatFits method and update the constant value on a height constraint. CGSize sizeThatShouldFitTheContent.. after the UITextView has been added to the view with addSubview . Prior to that it is equal to frame.size This will not work if auto layout is ON. With auto layout the general approach is to use the sizeThatFits method and update the constant value on a height constraint. CGSize sizeThatShouldFitTheContent _textView sizeThatFits..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size simply be black. If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling and instead uses constraints to lay things out. Nothing will be hard coded and your life will become a lot simpler... UIViewAutoresizingFlexibleHeight It works great out of the box for table views however if your app used pixel perfect layout for displaying content then your best bet would be to re imagine the content so that it can accommodate varying heights...
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected value of the slide was equal to value of the load address this always worked. But since Apple introduced Address space layout randomization beginning with iOS 4.3 in different variations the apps loading address is randomized for security reasons...
How do I create a basic UIButton programmatically? http://stackoverflow.com/questions/1378765/how-do-i-create-a-basic-uibutton-programmatically in my view controller when executing the viewDidLoad method three UIButton s will be created dynamically and its layout or properties are set. iphone uibutton share improve this question Here's one UIButton button UIButton buttonWithType..
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari? http://stackoverflow.com/questions/2593139/ipad-web-app-detect-virtual-keyboard-using-javascript-in-safari CSS and JavaScript . Since the keyboard fills up a huge part of the screen it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However I have found no way to detect when or whether the keyboard..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing errors. Your conditional logic is sound but I tend to share an application delegate and do the interface specific layout further down the line. Update 12 21 2011 As of iOS 4.2 you should no longer need to weak link frameworks to prevent errors..
http://stackoverflow.com/questions/2870680/horizontal-uitableview UITableView I want implement a layout in my ipad application that has a uitable view that scrolls left and right rather then up and down So rather than row 1..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions such an application when starting in landscape mode is desired. The most common observed effect are scrambled layouts and areas of the screen where touches are no longer recognized. A simple search for questions tagged iphone and landscape.. of the view controllers on the UINavigationController 's navigation stack will be rotated and rendered with correct layout. If you want your modal view controller to be rotatable to a different orientation than that of the parent view controller..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting Still private. CoreText Framework Since iOS 3.2 a very very good rendering engine. But that's it. Can directly layout and render NSAttributesString s. However there is no user interaction. No text selection no text input no spell checking..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file project initially but once I got my project setup properly it worked fine for my needs. Second depending on the format layout of your PDF you might consider using Interface Builder to create a view that serves as a template for your PDF output. You.. it worked out great for my needs. Again this may or may not make sense for your situation depending on the formatting layout needs of your PDF. EDIT response to 1st comment My implementation is part of a commercial product meaning that I can't share..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content has been added to the view with addSubview . Prior to that it is equal to frame.size This will not work if auto layout is ON. With auto layout the general approach is to use the sizeThatFits method and update the constant value on a height.. the view with addSubview . Prior to that it is equal to frame.size This will not work if auto layout is ON. With auto layout the general approach is to use the sizeThatFits method and update the constant value on a height constraint. CGSize sizeThatShouldFitTheContent.. sizeThatFits _textView.frame.size heightConstraint.constant sizeThatShouldFitTheContent.height heightConstraint is a layout constraint that you typically setup via a IBOutlet by linking the property to the height constraint created in a storyboard...
Why am I having to manually set my view's frame in viewDidLoad? http://stackoverflow.com/questions/6757018/why-am-i-having-to-manually-set-my-views-frame-in-viewdidload I have a pretty basic setup with a UINavigationController inside a UITabBarController. I'm wanting to programmatically layout the view of the rootViewController of that navcontroller but when I look at self.view.frame inside viewDidLoad I get this.. none of the above including my kludgy hack changes anything visually. The reason I have the hack is so that when I layout my subviews into this view they'll be based off of where I expect them to be which is the top left corner just under the.. bar height. For this reason it's important to give every subview an appropriate autoresizingMask to ensure that the layout can adjust itself properly for any change in bounds. If you wish to build your view hierarchy manually the recommended place..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6 going forward. If there is something you have to do for the larger screen specifically..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling and instead uses constraints to lay things out. Nothing will be hard coded and your..
iphone 5 simulator - Cannot click on bottom of screen? http://stackoverflow.com/questions/12678864/iphone-5-simulator-cannot-click-on-bottom-of-screen physical iPhone 5 yet so I am unable to test it on a real device. Edit2 I have tried both enabling and disabling Auto Layout on both the views and the applications main window. If I add the following log statement to viewDidLoad NSLog @ Window is..
iOS: Multi-line UILabel in Auto Layout http://stackoverflow.com/questions/12789013/ios-multi-line-uilabel-in-auto-layout Multi line UILabel in Auto Layout I'm having trouble trying to achieve some very basic layout behavior with Auto Layout. My view controller looks like this.. Multi line UILabel in Auto Layout I'm having trouble trying to achieve some very basic layout behavior with Auto Layout. My view controller looks like this in IB The top label is the title label I don't know how many lines it will be. I need.. number of lines required by the string My understanding is that I can't use setFrame methods because I'm using Auto Layout. And I have to use Auto Layout because I need those other views to stay below the title label hence the constraints . How..
Can I use setFrame and autolayout on the same view? http://stackoverflow.com/questions/13186908/can-i-use-setframe-and-autolayout-on-the-same-view setFrame . Everything was working except for setFrame. I checked around and I found out that if I uncheck using AutoLayout on that view then I can use setFrame and it works. Is there a way around this I really want to use autolayout because it..
UIView Animation Inconsistent Result http://stackoverflow.com/questions/13388835/uiview-animation-inconsistent-result themselves using an NSTimer or a CADisplayLink . The WWDC 2012 video �Session 228 Best Practices for Mastering Auto Layout explains your problem and discusses these two techniques in depth starting at 30m45s. If you need to use animation with..
http://stackoverflow.com/questions/13511733/how-to-make-supplementary-view-float-in-uicollectionview-as-section-headers-do-i the obvious Apple provides no documentation on how to achieve this. It seems that one has to subclass UICollectionViewLayout and implement a custom layout just to achieve this effect. This entails quite a bit of work implementing the following methods.. views layoutAttributesForDecorationViewOfKind atIndexPath if your layout supports decoration views shouldInvalidateLayoutForBoundsChange However its not clear to me how to make the supplementary view float above the cells and stick to the top.. of these methods will enable you to set your settings in Code rather than IB as they're removed when you set a Custom Layout. Remember to add UICollectionViewDelegateFlowLayout to your .h file too Create a new Subclass of UICollectionViewFlowLayout..
How to add UIScrollView to Interface builder? http://stackoverflow.com/questions/1521308/how-to-add-uiscrollview-to-interface-builder
Status bar appear over my view's bounds in iOS 7 [duplicate] http://stackoverflow.com/questions/18375898/status-bar-appear-over-my-views-bounds-in-ios-7 screen I have been going through reading this If both versions of a standard app should have a similar layout use Auto Layout to create a UI that works correctly in both versions of iOS. To support multiple versions of iOS specify a single set of.. correctly in both versions of iOS. To support multiple versions of iOS specify a single set of constraints that Auto Layout can use to adjust the views and controls in the storyboard or XIB files to learn more about constraints see 𦒄onstraints.. Between Views . If both versions of a standard app should have a similar layout and you 胩e not using Auto Layout use offsets. To use offsets first update the UI for iOS 7. Next specify values that define the origin height and width of..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions UITableViewController doesn 脌 rotate properly Same issue as above. iPhone Landscape Only Utility Template Application Layout errors controller does not seem to recognize the view should be rotated but displays a clipped portrait view in landscape..
how to hide the keyboard when empty area is touched on iphone http://stackoverflow.com/questions/804563/how-to-hide-the-keyboard-when-empty-area-is-touched-on-iphone visible area except for the status bar or any tab or navigation controllers . Select the button and then go to the Layout Menu and select Send To Back. Also set the button's Type to custom which is invisible if you don't specifically supply any..
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 between frame and layout in Interface builder's size inspector In IB there is a dropdown in Size Inspector showing Layout and Frame . I know what a frame is but I don't know what the layout is in this case. What is the difference iphone interface.. 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 for this concept. The layout rectangle is useful to look at for applications..
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