2014/10/15 下午 10:03:29
iphone Programming Glossary: achieveHow to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects solutions is the least intrusive and from my experience the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that..
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell by default. I know I can make it work if I create a custom cell but that's not what I'm trying to achieve I want to understand why my current approach doesn't work. I've figured out that the label is created..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller UIViewController I want to show a custom animation when pushing a view controller I would like to achieve something like an expand animation that means the new view expands from a given rectangle lets say 100..
Programmatically align a toolbar on top of the iPhone keyboard http://stackoverflow.com/questions/158574/programmatically-align-a-toolbar-on-top-of-the-iphone-keyboard view iphone cocoa touch share improve this question As of iOS 3.2 there's a new way to achieve this effect UITextFields and UITextViews have an inputAccessoryView property which you can set to any..
http://stackoverflow.com/questions/158914/cropping-a-uiimage in the album view of the Photos app. I know I could use a UIImageView and adjust the crop mode to achieve the same results but these images are sometimes displayed in UIWebViews . I've started to notice some.. a bit stumped. I've got two different theories and I'm wondering if either is on base. Theory 1 I achieve the cropping by drawing into an offscreen image context of my target size. Since I want the center portion..
OpenGL ES iPhone - drawing anti aliased lines http://stackoverflow.com/questions/1813035/opengl-es-iphone-drawing-anti-aliased-lines you get AA on iPhone iphone opengl es line antialiasing share improve this question One can achieve the effect of anti aliasing very cheaply using vertices with opacity 0. Here's an image example to explain..
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 Bar color in iOS 7 How do I change the Navigation Bar color in iOS 7 Basically I want to achieve something like the Twitter Nav Bar updated Twitter for iOS7 that is . I embedded in a nav bar atop a..
http://stackoverflow.com/questions/3760924/set-line-height-in-uitextview I feel that this kind of 𦑩rivate usage is not what Apple object to but it's such an easy way to achieve the goals of this question that you may as well try it. Should the app be rejected you can spend the..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer buttons so I am at a loss as to what to do I could add another layer but again not sure how to achieve the inner shadow effect like this Help appreciated... iphone core graphics calayer share improve..
Getting a list of files in a directory with a glob http://stackoverflow.com/questions/499673/getting-a-list-of-files-in-a-directory-with-a-glob heck do you do it iphone objective c cocoa cocoa touch share improve this question You can achieve this pretty easily with the help of NSPredicate like so NSString bundleRoot NSBundle mainBundle bundlePath..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height invite mucking with the default height of the UIPickerView but I have found that you can achieve a change in the height of the view by taking complete control and passing a desired frame size at creation..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop now and even though I feel constantly that I am right on the edge of revelation I simply cannot achieve my goal. I thought ahead of time in the conceptual phases of my design that it would be a trivial matter.. how difficult the other two steps have proved to be. The attached image shows what I am trying to achieve. Would someone please be kind enough to hold my hand Every code example I have found so far seems to..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare orientation to an array and compare I want to achieve the following I want the user to be able to record the movement of the iPhone using the gyroscope. And..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects work perfectly especially in cases involving multitouch. This solutions is the least intrusive and from my experience the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's what I do Implement..
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell a custom cell since a UITableViewCell contains a UILabel by default. I know I can make it work if I create a custom cell but that's not what I'm trying to achieve I want to understand why my current approach doesn't work. I've figured out that the label is created on demand since the cell supports text and image access so..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller animation for pushing a UIViewController I want to show a custom animation when pushing a view controller I would like to achieve something like an expand animation that means the new view expands from a given rectangle lets say 100 100 220 380 during the animation to full screen. Any suggestions..
Programmatically align a toolbar on top of the iPhone keyboard http://stackoverflow.com/questions/158574/programmatically-align-a-toolbar-on-top-of-the-iphone-keyboard determine the position of the keyboard in relation to the current view iphone cocoa touch share improve this question As of iOS 3.2 there's a new way to achieve this effect UITextFields and UITextViews have an inputAccessoryView property which you can set to any view that is automatically displayed above and animated with..
http://stackoverflow.com/questions/158914/cropping-a-uiimage square representation of an image similar to what's seen in the album view of the Photos app. I know I could use a UIImageView and adjust the crop mode to achieve the same results but these images are sometimes displayed in UIWebViews . I've started to notice some crashes in this code and I'm a bit stumped. I've got two different.. . I've started to notice some crashes in this code and I'm a bit stumped. I've got two different theories and I'm wondering if either is on base. Theory 1 I achieve the cropping by drawing into an offscreen image context of my target size. Since I want the center portion of the image I set the CGRect argument passed to drawInRect..
OpenGL ES iPhone - drawing anti aliased lines http://stackoverflow.com/questions/1813035/opengl-es-iphone-drawing-anti-aliased-lines lines get extremely thin and w o any anti aliasing. How do you get AA on iPhone iphone opengl es line antialiasing share improve this question One can achieve the effect of anti aliasing very cheaply using vertices with opacity 0. Here's an image example to explain Comparison with AA You can read a paper about this here..
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 do I change the Navigation Bar color in iOS 7 How do I change the Navigation Bar color in iOS 7 Basically I want to achieve something like the Twitter Nav Bar updated Twitter for iOS7 that is . I embedded in a nav bar atop a view controller . All I want is to change the nav bar color..
http://stackoverflow.com/questions/3760924/set-line-height-in-uitextview to swizzle everything in order to customize UIKit appearance I feel that this kind of 𦑩rivate usage is not what Apple object to but it's such an easy way to achieve the goals of this question that you may as well try it. Should the app be rejected you can spend the probably significant time on a more difficult solution. share..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer UIView objects since it's supposed to be a bar behind some buttons so I am at a loss as to what to do I could add another layer but again not sure how to achieve the inner shadow effect like this Help appreciated... iphone core graphics calayer share improve this question For anyone else wondering how to draw an inner..
Getting a list of files in a directory with a glob http://stackoverflow.com/questions/499673/getting-a-list-of-files-in-a-directory-with-a-glob but I've not been able to find anything like that. So how the heck do you do it iphone objective c cocoa cocoa touch share improve this question You can achieve this pretty easily with the help of NSPredicate like so NSString bundleRoot NSBundle mainBundle bundlePath NSFileManager fm NSFileManager defaultManager NSArray..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height this question It seems obvious that Apple doesn't particularly invite mucking with the default height of the UIPickerView but I have found that you can achieve a change in the height of the view by taking complete control and passing a desired frame size at creation time e.g smallerPicker UIPickerView alloc initWithFrame..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop I've been bashing my face into this one for literally days now and even though I feel constantly that I am right on the edge of revelation I simply cannot achieve my goal. I thought ahead of time in the conceptual phases of my design that it would be a trivial matter to grab a image from the iPhone's camera or library scale.. image from camera or library was trivial. I am shocked at how difficult the other two steps have proved to be. The attached image shows what I am trying to achieve. Would someone please be kind enough to hold my hand Every code example I have found so far seems to smash the image be upside down look like crap draw out of bounds..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare orientation to an array and compare I want to achieve the following I want the user to be able to record the movement of the iPhone using the gyroscope. And after that the user should be able to replicate the same..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects multitouch. This solutions is the least intrusive and from my experience the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates..
http://stackoverflow.com/questions/1065628/uploading-video-with-iphone edit2 Nov 2011 This question was a long time ago. I would most probably use ASI HTTP library now to achieve the uploading of this video as its far superior to this generatePostDataForData post methods and allows http upload progress..
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell contains a UILabel by default. I know I can make it work if I create a custom cell but that's not what I'm trying to achieve I want to understand why my current approach doesn't work. I've figured out that the label is created on demand since the..
Custom animation for pushing a UIViewController http://stackoverflow.com/questions/1406037/custom-animation-for-pushing-a-uiviewcontroller for pushing a UIViewController I want to show a custom animation when pushing a view controller I would like to achieve something like an expand animation that means the new view expands from a given rectangle lets say 100 100 220 380 during..
Programmatically align a toolbar on top of the iPhone keyboard http://stackoverflow.com/questions/158574/programmatically-align-a-toolbar-on-top-of-the-iphone-keyboard in relation to the current view iphone cocoa touch share improve this question As of iOS 3.2 there's a new way to achieve this effect UITextFields and UITextViews have an inputAccessoryView property which you can set to any view that is automatically..
http://stackoverflow.com/questions/158914/cropping-a-uiimage to what's seen in the album view of the Photos app. I know I could use a UIImageView and adjust the crop mode to achieve the same results but these images are sometimes displayed in UIWebViews . I've started to notice some crashes in this code.. in this code and I'm a bit stumped. I've got two different theories and I'm wondering if either is on base. Theory 1 I achieve the cropping by drawing into an offscreen image context of my target size. Since I want the center portion of the image..
OpenGL ES iPhone - drawing anti aliased lines http://stackoverflow.com/questions/1813035/opengl-es-iphone-drawing-anti-aliased-lines anti aliasing. How do you get AA on iPhone iphone opengl es line antialiasing share improve this question One can achieve the effect of anti aliasing very cheaply using vertices with opacity 0. Here's an image example to explain Comparison with..
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 do I change the Navigation Bar color in iOS 7 How do I change the Navigation Bar color in iOS 7 Basically I want to achieve something like the Twitter Nav Bar updated Twitter for iOS7 that is . I embedded in a nav bar atop a view controller . All..
iPhone: How to Pass Data Between Several Viewcontrollers in a Tabbar App http://stackoverflow.com/questions/2363777/iphone-how-to-pass-data-between-several-viewcontrollers-in-a-tabbar-app to a clean model approach would be to call some initWithObject method on the called viewcontroller. How can I achieve this How can I call the init method of the receivercontroller within the callercontroller Can you give me some code example..
http://stackoverflow.com/questions/3760924/set-line-height-in-uitextview UIKit appearance I feel that this kind of 𦑩rivate usage is not what Apple object to but it's such an easy way to achieve the goals of this question that you may as well try it. Should the app be rejected you can spend the probably significant..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer to be a bar behind some buttons so I am at a loss as to what to do I could add another layer but again not sure how to achieve the inner shadow effect like this Help appreciated... iphone core graphics calayer share improve this question For..
Getting a list of files in a directory with a glob http://stackoverflow.com/questions/499673/getting-a-list-of-files-in-a-directory-with-a-glob like that. So how the heck do you do it iphone objective c cocoa cocoa touch share improve this question You can achieve this pretty easily with the help of NSPredicate like so NSString bundleRoot NSBundle mainBundle bundlePath NSFileManager..
What are the Dangers of Method Swizzling in Objective C? http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c and in addressing them we can improve both our understanding of method swizzling as well as the methodology used to achieve the result. I'll take each one at a time. Method swizzling is not atomic I have yet to see an implementation of method swizzling..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height Apple doesn't particularly invite mucking with the default height of the UIPickerView but I have found that you can achieve a change in the height of the view by taking complete control and passing a desired frame size at creation time e.g smallerPicker..
How to compare two NSDates: Which is more recent? http://stackoverflow.com/questions/5965044/how-to-compare-two-nsdates-which-is-more-recent to compare two NSDates Which is more recent I am trying to achieve a dropBox sync and need to compare the dates of two files. One is on my dropBox account and one is on my iPhone. I came..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop one for literally days now and even though I feel constantly that I am right on the edge of revelation I simply cannot achieve my goal. I thought ahead of time in the conceptual phases of my design that it would be a trivial matter to grab a image.. I am shocked at how difficult the other two steps have proved to be. The attached image shows what I am trying to achieve. Would someone please be kind enough to hold my hand Every code example I have found so far seems to smash the image be..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare orientation to an array and compare I want to achieve the following I want the user to be able to record the movement of the iPhone using the gyroscope. And after that the user..
Secure https encryption for iPhone app to webpage http://stackoverflow.com/questions/9181186/secure-https-encryption-for-iphone-app-to-webpage Can anyone help with this iphone authentication https share improve this question There is no absolute way to achieve this goal. If you have a web service that uses a shared credential one bundled in the application then it will be possible..
|