2014/10/15 下午 10:11:57

iphone Programming Glossary: named

How to add a breakpoint to objc_exception_throw?

http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw

I do them globally because they are so useful in all my applications . The first should be named objc_exception_throw and its location should be libobjc.A.dylib . The second should be NSException raise..

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

apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be retina quality there's no backward compatibility here You could..

How to get the RGB values for a pixel on an image on the iphone

http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone

to the first pixel element in an array RGBPixel pixelData Step 4. Subclass code I put in a method named bitmap to return the bitmap pixel data Get the bitmap data from the receiver's CGImage see UIImage docs..

Easy way to see saved NSUserDefaults?

http://stackoverflow.com/questions/1676938/easy-way-to-see-saved-nsuserdefaults

Application Support iPhone Simulator Sim Version Applications This directory has a bunch of GUID named directories. If you are working on a few apps there will be a few of them. So you need to find your..

http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph

Apple. I could not see 120x120 appearing anywhere Is this iOS 7 specific Should I include an icon named Icon 120.png or something Update I added three icons to the resource folder Icon 120.png 120x120 Icon..

iPhone ivar naming convention [duplicate]

http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention

that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why.. variables . 2 even better reason if you use refactor in XCode on an internal class var that is named the same as the property used to access it the property and synthesize statement will also be renamed... the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor on a class variable prefixed with an _ the property name will not be changed just..

Rounded UIView using CALayers - only some corners - How?

http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how

UIView using CALayers only some corners How In my application there are four buttons named as follows. Top left Bottom left Top right Bottom right Above this buttons there is an image view or..

Why do you use an underscore for an instance variable, but not its corresponding property? [duplicate]

http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding

can be replaced by CGFloat level void setLevel CGFloat v Your question Why declare a property named level for a variable named _level and why name a variable with a leading _ in the first place I don't.. level void setLevel CGFloat v Your question Why declare a property named level for a variable named _level and why name a variable with a leading _ in the first place I don't know. How it works is answered..

How do you beta test an iphone app?

http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app

. Click the button New Profile . Select the radio button Ad hoc . Enter a profile name I named mine Evertsson Common Ad Hoc . Select the app id. I have a common app id to use for multiple apps Evertsson.. expand Targets select your target and press Cmd I . Go to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS..

“Warning: iPhone apps should include an armv6 architecture” even with build config set

http://stackoverflow.com/questions/4198676/warning-iphone-apps-should-include-an-armv6-architecture-even-with-build-conf

or 'Distribution' row under 'Architectures' and choose 'Other...' Double click the highlighted row named ' ARCHS_STANDARD_32_BIT ' in the popover that appears and replace it by typing 'armv6'. Then add a new..

iPhone different between self and normal variable

http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable

and if you specify copy it will copy it. The accessors will unless you specify otherwise be named propertyName and setPropertyName. Using the . notation note not the self syntax as stated above is saying..

How do I draw a line on the iPhone?

http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone

double click on MainWindow.xib to open it in Interface Builder. From here you should see a window named Window . Hit Cmd Shift L to bring up the Library and drag a View component onto your window and position..

Dispelling the UIImage imageNamed: FUD

http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud

any insight into the caching algorithm please post it here. iphone caching uikit uiimageview imagenamed share improve this question tldr ImagedNamed is fine. It handles memory well. Use it and stop worrying... or murder your children. It's pretty simple but it is an optimisation tool. Sadly it is badly named and there is no equivaluent that is as easy to use hence people overuse it and get upset when it simply..

How to add a breakpoint to objc_exception_throw?

http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw

this go to Run Show Breakpoints and create two global breakpoints I do them globally because they are so useful in all my applications . The first should be named objc_exception_throw and its location should be libobjc.A.dylib . The second should be NSException raise and its location should be CoreFoundation . Now if you..

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 points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be retina quality there's no backward compatibility here You could also select this image from within Xcode. Go to the target..

How to get the RGB values for a pixel on an image on the iphone

http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone

CGImage held in receiver self UInt8 pixelByteData A pointer to the first pixel element in an array RGBPixel pixelData Step 4. Subclass code I put in a method named bitmap to return the bitmap pixel data Get the bitmap data from the receiver's CGImage see UIImage docs self setBitmapData CGDataProviderCopyData CGImageGetDataProvider..

Easy way to see saved NSUserDefaults?

http://stackoverflow.com/questions/1676938/easy-way-to-see-saved-nsuserdefaults

in the simulator if you go to users your user name Library Application Support iPhone Simulator Sim Version Applications This directory has a bunch of GUID named directories. If you are working on a few apps there will be a few of them. So you need to find your app binary find . name foo.app . 1BAB4C83 8E7E 4671 AC36 6043F8A9BFA7..

http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph

fix this problem Here are the current icon requirements from Apple. I could not see 120x120 appearing anywhere Is this iOS 7 specific Should I include an icon named Icon 120.png or something Update I added three icons to the resource folder Icon 120.png 120x120 Icon 76.png 76x76 Icon 152.png 152x152 but it did not add them..

iPhone ivar naming convention [duplicate]

http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention

of a variable in a cocoa objective c class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is this done What am I missing Thanks iphone objective c .. through more thoughtful naming of parameters or internal variables . 2 even better reason if you use refactor in XCode on an internal class var that is named the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor on a class variable prefixed with an.. use refactor in XCode on an internal class var that is named the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor on a class variable prefixed with an _ the property name will not be changed just the synthesize mapping to the internal name. I pretty much..

Rounded UIView using CALayers - only some corners - How?

http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how

UIView using CALayers only some corners How In my application there are four buttons named as follows. Top left Bottom left Top right Bottom right Above this buttons there is an image view or we can use also UIView. Now suppose user taps on top left button...

Why do you use an underscore for an instance variable, but not its corresponding property? [duplicate]

http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding

and a getter. In the case of level @property CGFloat level can be replaced by CGFloat level void setLevel CGFloat v Your question Why declare a property named level for a variable named _level and why name a variable with a leading _ in the first place I don't know. How it works is answered in LevelMeter.m CGFloat level.. case of level @property CGFloat level can be replaced by CGFloat level void setLevel CGFloat v Your question Why declare a property named level for a variable named _level and why name a variable with a leading _ in the first place I don't know. How it works is answered in LevelMeter.m CGFloat level return _level void setLevel..

How do you beta test an iphone app?

http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app

again. Go to the section Provisioning . Go to the tab Distribution . Click the button New Profile . Select the radio button Ad hoc . Enter a profile name I named mine Evertsson Common Ad Hoc . Select the app id. I have a common app id to use for multiple apps Evertsson Common . Select the devices in my case my own and my.. Info pane. Open the Target Info pane In Groups Files expand Targets select your target and press Cmd I . Go to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution . Close the Target Info pane...

“Warning: iPhone apps should include an armv6 architecture” even with build config set

http://stackoverflow.com/questions/4198676/warning-iphone-apps-should-include-an-armv6-architecture-even-with-build-conf

Settings' tab in the right column Click the 'Release' or 'Distribution' row under 'Architectures' and choose 'Other...' Double click the highlighted row named ' ARCHS_STANDARD_32_BIT ' in the popover that appears and replace it by typing 'armv6'. Then add a new row with the plus button in the bottom left of the popover..

iPhone different between self and normal variable

http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable

I.e. if you specify retain the setter will retain the variable and if you specify copy it will copy it. The accessors will unless you specify otherwise be named propertyName and setPropertyName. Using the . notation note not the self syntax as stated above is saying that you want to use the accessors a good thing if you..

How do I draw a line on the iPhone?

http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone

it a name say MyView.m. Now open up the Resources group and double click on MainWindow.xib to open it in Interface Builder. From here you should see a window named Window . Hit Cmd Shift L to bring up the Library and drag a View component onto your window and position it so you can see all of it. With your new View selected..

Dispelling the UIImage imageNamed: FUD

http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud

It seems unlikely that Apple would not do this. If you have any insight into the caching algorithm please post it here. iphone caching uikit uiimageview imagenamed share improve this question tldr ImagedNamed is fine. It handles memory well. Use it and stop worrying. Edit Nov 2012 Note that this question dates from iOS.. So there you have it. imageNamed will not smash your windows or murder your children. It's pretty simple but it is an optimisation tool. Sadly it is badly named and there is no equivaluent that is as easy to use hence people overuse it and get upset when it simply does its job I added a category to UIImage to fix that header..

How to add a breakpoint to objc_exception_throw?

http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw

two global breakpoints I do them globally because they are so useful in all my applications . The first should be named objc_exception_throw and its location should be libobjc.A.dylib . The second should be NSException raise and its location..

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

Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be retina quality there's no backward compatibility here You could also select this..

How to get the RGB values for a pixel on an image on the iphone

http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone

A pointer to the first pixel element in an array RGBPixel pixelData Step 4. Subclass code I put in a method named bitmap to return the bitmap pixel data Get the bitmap data from the receiver's CGImage see UIImage docs self setBitmapData..

Easy way to see saved NSUserDefaults?

http://stackoverflow.com/questions/1676938/easy-way-to-see-saved-nsuserdefaults

user name Library Application Support iPhone Simulator Sim Version Applications This directory has a bunch of GUID named directories. If you are working on a few apps there will be a few of them. So you need to find your app binary find . name..

http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph

requirements from Apple. I could not see 120x120 appearing anywhere Is this iOS 7 specific Should I include an icon named Icon 120.png or something Update I added three icons to the resource folder Icon 120.png 120x120 Icon 76.png 76x76 Icon..

iPhone ivar naming convention [duplicate]

http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention

class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is this done What am.. parameters or internal variables . 2 even better reason if you use refactor in XCode on an internal class var that is named the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor.. var that is named the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor on a class variable prefixed with an _ the property name will not be changed just the synthesize mapping..

Rounded UIView using CALayers - only some corners - How?

http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how

Why do you use an underscore for an instance variable, but not its corresponding property? [duplicate]

http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding

@property CGFloat level can be replaced by CGFloat level void setLevel CGFloat v Your question Why declare a property named level for a variable named _level and why name a variable with a leading _ in the first place I don't know. How it works.. be replaced by CGFloat level void setLevel CGFloat v Your question Why declare a property named level for a variable named _level and why name a variable with a leading _ in the first place I don't know. How it works is answered in LevelMeter.m..

iPhone : can we open pdf file using UIWebView?

http://stackoverflow.com/questions/2832245/iphone-can-we-open-pdf-file-using-uiwebview

self.view addSubview webView webView release Or if you have a PDF file bundled with your application in this example named document.pdf UIWebView webView UIWebView alloc initWithFrame CGRectMake 10 10 200 200 NSString path NSBundle mainBundle..

How do you beta test an iphone app?

http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app

. Go to the tab Distribution . Click the button New Profile . Select the radio button Ad hoc . Enter a profile name I named mine Evertsson Common Ad Hoc . Select the app id. I have a common app id to use for multiple apps Evertsson Common . Select.. In Groups Files expand Targets select your target and press Cmd I . Go to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution..

“Warning: iPhone apps should include an armv6 architecture” even with build config set

http://stackoverflow.com/questions/4198676/warning-iphone-apps-should-include-an-armv6-architecture-even-with-build-conf

Click the 'Release' or 'Distribution' row under 'Architectures' and choose 'Other...' Double click the highlighted row named ' ARCHS_STANDARD_32_BIT ' in the popover that appears and replace it by typing 'armv6'. Then add a new row with the plus..

Drawing waveform with AVAssetReader

http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader

waveform with AVAssetReader I reading song from iPod library using assetUrl in code it named audioUrl I can play it many ways I can cut it I can make some precessing with this but... I really don't understand what..

Save Youtube video to iPhone in the app

http://stackoverflow.com/questions/5087249/save-youtube-video-to-iphone-in-the-app

other method. Create an NSOutputStream or NSFileHandle opened on a temporary file in NSTemporaryDirectory or a temp named file in your Documents directory . Set up your progress bar and whatever else you need to do. Allocate and start an NSURLConnection..

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

up and everything gets jumbled in your head. Again the alternative implementation addresses this. You'll see clearly named functions in backtraces. Still swizzling can be difficult to debug because it's hard to remember what impact the swizzling..

iPhone different between self and normal variable

http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable

will retain the variable and if you specify copy it will copy it. The accessors will unless you specify otherwise be named propertyName and setPropertyName. Using the . notation note not the self syntax as stated above is saying that you want..

How do I draw a line on the iPhone?

http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone

Resources group and double click on MainWindow.xib to open it in Interface Builder. From here you should see a window named Window . Hit Cmd Shift L to bring up the Library and drag a View component onto your window and position it so you can see..

Dispelling the UIImage imageNamed: FUD

http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud

this. If you have any insight into the caching algorithm please post it here. iphone caching uikit uiimageview imagenamed share improve this question tldr ImagedNamed is fine. It handles memory well. Use it and stop worrying. Edit Nov 2012.. not smash your windows or murder your children. It's pretty simple but it is an optimisation tool. Sadly it is badly named and there is no equivaluent that is as easy to use hence people overuse it and get upset when it simply does its job I added..