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2014/10/15 ¤U¤È 10:14:12
iphone Programming Glossary: shownHow to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present keyboard the standard way is to move up down the view having textfields whenever the keyboard is shown. Here is some sample code #define kOFFSET_FOR_KEYBOARD 80.0 void keyboardWillShow Animate the current.. 0 self setViewMovedUp YES method to move the view up down whenever the keyboard is shown dismissed void setViewMovedUp BOOL movedUp UIView beginAnimations nil context NULL UIView setAnimationDuration..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees I want the pixels of the UIImage to actually shift position. I am using a block of code shown below originally intended to resize a UIImage to do this. I set a target size as the current size of..
“wait_fences: failed to receive reply: 10004003”? http://stackoverflow.com/questions/1371346/wait-fences-failed-to-receive-reply-10004003 of viewWillAppear that is instead of printing the error only the first time the keyboard is shown and never again the error is not printed the first time but every time after. This is causing a major..
How disable Copy, Cut, Select, Select All in UITextView http://stackoverflow.com/questions/1426731/how-disable-copy-cut-select-select-all-in-uitextview Cut Select Select All in UITextView The UITextView's Copy Cut Select Select All functionality is shown by default when I press down on the screen. But in my project the UITextField is only read only. I do..
How do I change the title of the “back” button on a Navigation Bar http://stackoverflow.com/questions/1449339/how-do-i-change-the-title-of-the-back-button-on-a-navigation-bar default value is the title of the view that loaded the current one in other words the view to be shown when the button is pressed back button . I want to change the text shown on the button to something.. words the view to be shown when the button is pressed back button . I want to change the text shown on the button to something else. I tried putting the following line of code in the view controller's..
Grid view in iPhone SDK [closed] http://stackoverflow.com/questions/2265293/grid-view-in-iphone-sdk view in iPhone SDK closed I would like to create a grid view in my iPhone app similar to that shown in the iPad photos app . I know that the iPhone 3.2 SDK is under NDA but is there a library or framework..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library or add it with Project Add to project . Click on arrow at lib project icon mylib.a file name shown drag this mylib.a file and drop it into Target Link Binary With Library group. Open target info in fist..
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 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.. 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 that the keyboard is visible when a text field has focus. However when.. words if I set the window's scrollTop it will remain at 0. If on the other hand the keyboard is shown scrolling suddenly works. So I can set scrollTop immediately test its value and then reset it. Here's..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code or database and includes a 'priority' argument you could set at runtime so debug messages are not shown in your release version but error messages are if you did this you could make DebugLog WarningLog and..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui question is about a behavior discovered in the iPad keyboard where it refuses to be dismissed if shown in a modal dialog with a navigation controller. Basically if I present the navigation controller with..
how to display test IAd banner in the simulator http://stackoverflow.com/questions/5947552/how-to-display-test-iad-banner-in-the-simulator hi all i imported iAd frame work and implemented code for the iAd.My sample code is below shown .h file #import UIKit UIKit.h #import iAd iAd.h @interface IadTestViewController UIViewController ADBannerViewDelegate..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet c class work I'm using the same convention for instance variable and properties naming as shown by sebnow in his following answer instance variable method argument naming in Objective C I copy paste..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller spinner stopAnimating spinner removeFromSuperview spinner release The final results are shown below. The screen appears to dim a bit kind of like when an UIAlert is shown . It shows a message saying.. The final results are shown below. The screen appears to dim a bit kind of like when an UIAlert is shown . It shows a message saying its being sent and then brightens back up when the message is sent. Happy..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample I have a very simple iCloud app running full sample code below . There is only one UITextView shown to the user and his her input is saved in a file called text.txt. The txt file is pushed to the cloud..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring are stored from previous device reboot. i don't know why but ifi_opackets and ifi_ipackets are shown just for lo0 i think its main interface . yes. Then device is connected via WiFi and doesn't use internet..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su needs to be animated transition styles not simply the slide effects the view controller being shown needs to be swapped completely not stacked . If the second view controller must remove another view..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present For showing the textfields without being hidden by the keyboard the standard way is to move up down the view having textfields whenever the keyboard is shown. Here is some sample code #define kOFFSET_FOR_KEYBOARD 80.0 void keyboardWillShow Animate the current view out of the way if self.view.frame.origin.y 0 self setViewMovedUp.. view so that the keyboard does not hide it. if self.view.frame.origin.y 0 self setViewMovedUp YES method to move the view up down whenever the keyboard is shown dismissed void setViewMovedUp BOOL movedUp UIView beginAnimations nil context NULL UIView setAnimationDuration 0.3 if you want to slide up the view CGRect rect..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees by 90 degrees to landscape . I don't want to use a CGAffineTransform. I want the pixels of the UIImage to actually shift position. I am using a block of code shown below originally intended to resize a UIImage to do this. I set a target size as the current size of the UIImage but I get an error Error CGBitmapContextCreate..
“wait_fences: failed to receive reply: 10004003”? http://stackoverflow.com/questions/1371346/wait-fences-failed-to-receive-reply-10004003 situation happens if I put the line in viewDidAppear instead of viewWillAppear that is instead of printing the error only the first time the keyboard is shown and never again the error is not printed the first time but every time after. This is causing a major headache for me. iphone objective c cocoa touch share improve..
How disable Copy, Cut, Select, Select All in UITextView http://stackoverflow.com/questions/1426731/how-disable-copy-cut-select-select-all-in-uitextview disable Copy Cut Select Select All in UITextView The UITextView's Copy Cut Select Select All functionality is shown by default when I press down on the screen. But in my project the UITextField is only read only. I do not require this functionality. Please tell me how to disable..
How do I change the title of the “back” button on a Navigation Bar http://stackoverflow.com/questions/1449339/how-do-i-change-the-title-of-the-back-button-on-a-navigation-bar button on a Navigation Bar Currently the left bar button default value is the title of the view that loaded the current one in other words the view to be shown when the button is pressed back button . I want to change the text shown on the button to something else. I tried putting the following line of code in the view.. is the title of the view that loaded the current one in other words the view to be shown when the button is pressed back button . I want to change the text shown on the button to something else. I tried putting the following line of code in the view controller's viewDidLoad method but it doesn't seem to work. self.navigationItem.leftBarButtonItem.title..
Grid view in iPhone SDK [closed] http://stackoverflow.com/questions/2265293/grid-view-in-iphone-sdk view in iPhone SDK closed I would like to create a grid view in my iPhone app similar to that shown in the iPad photos app . I know that the iPhone 3.2 SDK is under NDA but is there a library or framework available for adding this kind of functionality non SDK..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library add again with steps Drag drop lib project file in app project or add it with Project Add to project . Click on arrow at lib project icon mylib.a file name shown drag this mylib.a file and drop it into Target Link Binary With Library group. Open target info in fist page General and add my lib to dependencies list after that..
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 whether the keyboard is shown. My first idea was to assume that the keyboard is visible when a text field has focus... 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 that the keyboard is visible when a text field has focus. However when an external keyboard is attached to an iPad the virtual keyboard.. window size the user is normally unable to scroll. In other words if I set the window's scrollTop it will remain at 0. If on the other hand the keyboard is shown scrolling suddenly works. So I can set scrollTop immediately test its value and then reset it. Here's how that might look in code using jQuery document .ready function..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code could have a logging class that writes to its own log file or database and includes a 'priority' argument you could set at runtime so debug messages are not shown in your release version but error messages are if you did this you could make DebugLog WarningLog and so on . Oh and keep in mind #define DEBUG_MODE can be re used..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui answer not top voted one for solution as of iOS 4.3. This question is about a behavior discovered in the iPad keyboard where it refuses to be dismissed if shown in a modal dialog with a navigation controller. Basically if I present the navigation controller with the following line navigationController.modalPresentationStyle..
how to display test IAd banner in the simulator http://stackoverflow.com/questions/5947552/how-to-display-test-iad-banner-in-the-simulator to display test IAd banner in the simulator hi all i imported iAd frame work and implemented code for the iAd.My sample code is below shown .h file #import UIKit UIKit.h #import iAd iAd.h @interface IadTestViewController UIViewController ADBannerViewDelegate BOOL isBannerVisible IBOutlet ADBannerView..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet How does an underscore in front of a variable in a cocoa objective c class work I'm using the same convention for instance variable and properties naming as shown by sebnow in his following answer instance variable method argument naming in Objective C I copy paste his example code here @interface Foo NSObject id _bar @property..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller bringSubviewToFront spinner spinner startAnimating void stopSpinner spinner stopAnimating spinner removeFromSuperview spinner release The final results are shown below. The screen appears to dim a bit kind of like when an UIAlert is shown . It shows a message saying its being sent and then brightens back up when the message..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample are quite fundamental but possibly easy to answer. Context I have a very simple iCloud app running full sample code below . There is only one UITextView shown to the user and his her input is saved in a file called text.txt. The txt file is pushed to the cloud and made available to all devices. Works perfectly but Main..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring time data statistic ifa_data ifi_obytes and ifa_data ifi_ibytes are stored from previous device reboot. i don't know why but ifi_opackets and ifi_ipackets are shown just for lo0 i think its main interface . yes. Then device is connected via WiFi and doesn't use internet if_iobytes values still come because this method provides..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su navigation controller Edit Nav Controller use is fine but there needs to be animated transition styles not simply the slide effects the view controller being shown needs to be swapped completely not stacked . If the second view controller must remove another view controller from the stack then it's not encapsulated enough...
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present being hidden by the keyboard the standard way is to move up down the view having textfields whenever the keyboard is shown. Here is some sample code #define kOFFSET_FOR_KEYBOARD 80.0 void keyboardWillShow Animate the current view out of the way.. it. if self.view.frame.origin.y 0 self setViewMovedUp YES method to move the view up down whenever the keyboard is shown dismissed void setViewMovedUp BOOL movedUp UIView beginAnimations nil context NULL UIView setAnimationDuration 0.3 if you..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees to use a CGAffineTransform. I want the pixels of the UIImage to actually shift position. I am using a block of code shown below originally intended to resize a UIImage to do this. I set a target size as the current size of the UIImage but I get..
“wait_fences: failed to receive reply: 10004003”? http://stackoverflow.com/questions/1371346/wait-fences-failed-to-receive-reply-10004003 in viewDidAppear instead of viewWillAppear that is instead of printing the error only the first time the keyboard is shown and never again the error is not printed the first time but every time after. This is causing a major headache for me. ..
How disable Copy, Cut, Select, Select All in UITextView http://stackoverflow.com/questions/1426731/how-disable-copy-cut-select-select-all-in-uitextview disable Copy Cut Select Select All in UITextView The UITextView's Copy Cut Select Select All functionality is shown by default when I press down on the screen. But in my project the UITextField is only read only. I do not require this functionality...
How do I change the title of the “back” button on a Navigation Bar http://stackoverflow.com/questions/1449339/how-do-i-change-the-title-of-the-back-button-on-a-navigation-bar the left bar button default value is the title of the view that loaded the current one in other words the view to be shown when the button is pressed back button . I want to change the text shown on the button to something else. I tried putting.. the current one in other words the view to be shown when the button is pressed back button . I want to change the text shown on the button to something else. I tried putting the following line of code in the view controller's viewDidLoad method..
Grid view in iPhone SDK [closed] http://stackoverflow.com/questions/2265293/grid-view-in-iphone-sdk view in iPhone SDK closed I would like to create a grid view in my iPhone app similar to that shown in the iPad photos app . I know that the iPhone 3.2 SDK is under NDA but is there a library or framework available for adding..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library file in app project or add it with Project Add to project . Click on arrow at lib project icon mylib.a file name shown drag this mylib.a file and drop it into Target Link Binary With Library group. Open target info in fist page General and..
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 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 that the keyboard.. 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 that the keyboard is visible when a text field has focus. However when an external keyboard.. to scroll. In other words if I set the window's scrollTop it will remain at 0. If on the other hand the keyboard is shown scrolling suddenly works. So I can set scrollTop immediately test its value and then reset it. Here's how that might look..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code to its own log file or database and includes a 'priority' argument you could set at runtime so debug messages are not shown in your release version but error messages are if you did this you could make DebugLog WarningLog and so on . Oh and keep..
http://stackoverflow.com/questions/3372333/ipad-keyboard-will-not-dismiss-if-modal-view-controller-presentation-style-is-ui as of iOS 4.3. This question is about a behavior discovered in the iPad keyboard where it refuses to be dismissed if shown in a modal dialog with a navigation controller. Basically if I present the navigation controller with the following line..
how to display test IAd banner in the simulator http://stackoverflow.com/questions/5947552/how-to-display-test-iad-banner-in-the-simulator IAd banner in the simulator hi all i imported iAd frame work and implemented code for the iAd.My sample code is below shown .h file #import UIKit UIKit.h #import iAd iAd.h @interface IadTestViewController UIViewController ADBannerViewDelegate BOOL..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet in a cocoa objective c class work I'm using the same convention for instance variable and properties naming as shown by sebnow in his following answer instance variable method argument naming in Objective C I copy paste his example code..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller void stopSpinner spinner stopAnimating spinner removeFromSuperview spinner release The final results are shown below. The screen appears to dim a bit kind of like when an UIAlert is shown . It shows a message saying its being sent.. spinner release The final results are shown below. The screen appears to dim a bit kind of like when an UIAlert is shown . It shows a message saying its being sent and then brightens back up when the message is sent. Happy Coding share improve..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample easy to answer. Context I have a very simple iCloud app running full sample code below . There is only one UITextView shown to the user and his her input is saved in a file called text.txt. The txt file is pushed to the cloud and made available..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring and ifa_data ifi_ibytes are stored from previous device reboot. i don't know why but ifi_opackets and ifi_ipackets are shown just for lo0 i think its main interface . yes. Then device is connected via WiFi and doesn't use internet if_iobytes values..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su use is fine but there needs to be animated transition styles not simply the slide effects the view controller being shown needs to be swapped completely not stacked . If the second view controller must remove another view controller from the..
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