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  • What options I have to show a sentence parts with different color?

    - by Pentium10
    I have a longer sentence 200 characters. I need to show on the screen having parts of them in different color, like highlighting search results, each with different color. The text should auto wrap with screen width, and have no break sections between parts. I meant with this that I can put sections on a new line. They will have to continue the previous section, only wrap when the screen is off. The best would be an EditText, as I need to allow editing also, but I am wondering I am able to change the color of various sentence parts, or just as a whole. What do you think, with what UI elements can I achieve this view?

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  • Setting up an independent delegate?

    - by fuzzygoat
    Its common for the dataSource and delegate to be the same object, its also common for this object to be the viewController. In all the info/tutorials that I have seen online delegates are always setup as above. If I wanted to create my own class instead can anyone give me any pointers as to how I might do that. Where does that object get instantiated, how do you connect the dataSource and delegate items etc. I am using UITableView to test this.

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  • I can not hide keyboard by pressing return key

    - by chetan
    I have tried this: In .h file @interface TouchLabelViewController : UIViewController<UITextFieldDelegate> -(IBAction)hideKeyboard:(id)sender; In .m File -(IBAction)hideKeyboard:(id)sender{ [(UITextField*)sender resignFirstResponder]; } And also tried this in .h file -(BOOL) textFieldShouldReturn:(UITextField *)textField; in .m file -(BOOL) textFieldShouldReturn:(UITextField *)textField{ [aTextField resignFirstResponder]; return YES; } But still whenever i touch return key it does not hide keyboard.

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  • Problem with class methods in objective c

    - by Rajashekar
    Hi Guys i have a tableview controller like so, NSString *selectedindex; @interface ContactsController : UITableViewController { NSMutableArray *names; NSMutableArray *phonenumbers; NSMutableArray *contacts; DatabaseCRUD *sampledatabase; } +(NSString *) returnselectedindex; @end in the implementation file i have +(NSString *) returnselectedindex { return selectedindex; } when a row is selected in the tableview i put have the following code. selectedindex = [NSString stringWithFormat:@"%d", indexPath.row]; NSLog(@"selected row is %@",selectedindex); in a different class i am trying to access the selectedindex. like so selected = [ContactsController returnselectedindex]; NSLog(@"selected is %@",selected); it gives me a warning: 'ContactsController' may not respond to '+returnselectedindex' and crashes. i am not sure why. i have used class methods previously lot of times , and never had a problem. any help please. Thank You.

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  • error “EXC_BAD_ACCESS” in my programm

    - by zp26
    Hi, i have a problem. When i compile my program there isn't a error but, when i start it these retern with “EXC_BAD_ACCESS”. I looking for the error with the debug and i find it in these method but i don't understand where... Can you help me? Thanks and sorry for the english. PS:the program enters in the loop sometimes. -(void)updateMinPosition{ float valueMinX = 150; float valueMinY = 150; float valueMinZ = 150; NSString *nameMinimoX = [NSString stringWithFormat:@"default"]; NSString *nameMinimoY = [NSString stringWithFormat:@"default"]; NSString *nameMinimoZ = [NSString stringWithFormat:@"default"]; for(int i = 0; i< [arrayPosizioniMovimento count]; i++){ //Posizione is my class. It contain a NSString name, 3 float valueX, valueY, valueZ Posizione *tempPosition; tempPosition = [[Posizione alloc]init]; tempPosition = [arrayPosizioniMovimento objectAtIndex:i]; if(tempPosition.valueX <= valueMinX){ valueMinX = tempPosition.valueX; nameMinimoX = tempPosition.nome; } if(tempPosition.valueY <= valueMinY){ valueMinY = tempPosition.valueY; nameMinimoY = tempPosition.nome; } if(tempPosition.valueZ <= valueMinZ){ valueMinZ = tempPosition.valueZ; nameMinimoZ = tempPosition.nome; } [tempPosition dealloc]; } labelMinX.text = nameMinimoX; labelMinY.text = nameMinimoY; labelMinZ.text = nameMinimoZ; }

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  • Configure UIDatePicker with current locations time

    - by Telkitty
    I am using UIDatePicker in my current app, here is how I set a UILabel with the date time string obtained from the UIDatePicker. -(IBAction)AddTimeEnd:(id)sender { NSDate * date = [m_DateTimePicker date]; m_DateTimeLabel.text = [date description]; } Somehow the time I have entered (EST) kept on getting converted to US time in the UILabel. Does anyone know how to fix it? I would like the time entered in UIDatePicker to be consistent with the text in the label (probably the simplest way is set the locale for the UIDatePicker to be the local timezone)?

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  • Popping a modal view from anywhere in code

    - by ConfusedNoob
    Is it possible to 'pop' a view from any point in an iOS application. For example, I want an event to trigger a view sliding in (modal) and the event can happen at any time, on any screen in the application. Also, we'd like this to be something that can be included in other projects and would prefer them not to have to do anything special to these projects (other than wire in the referenced project).

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  • Compare then download

    - by zsjpj
    Hi all ! I have a plist in my document folder of the app with one string, an int value. An another plist is on my server with also a string, an int value. How can i compare the two int value and then do something if one is bigger than the other thanks to all

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  • UITabBarController for main & about views?

    - by fuzzygoat
    I have two screens on my app that I want to present to users, the first is the main screen and the second is an about screen, brief instructions / credits. Currently I have this setup as a UITabBarController with two buttons and two views. Is this approach acceptable?

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  • Add a multiple buttons to a view programatically, call the same method, determine which button it wa

    - by just_another_coder
    I want to programatically add multiple UIButtons to a view - the number of buttons is unknown at compile time. I can make one or more UIButton's like so (in a loop, but shorted for simplicity): UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; [button addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchDown]; [button setTitle:@"Button x" forState:UIControlStateNormal]; button.frame = CGRectMake(100.0, 100.0, 120.0, 50.0); [view addSubview:button]; Copied/Edited from this link: http://stackoverflow.com/questions/1378765/how-do-i-create-a-basic-uibutton-programmatically But how do I determine in buttonClicked: which button was clicked? I'd like to pass tag data if possible to identify the button.

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  • UIAlertView popups lock up keyboard actions

    - by TurbZ
    I have a strange behavior where if a UIAlert fires (like the one below) all subsequent keyboard or press behaviors are disabled / non responsive. Scrolling the screen still works but no action is fired from any button or keyboard presses. [[[[UIAlertView alloc] initWithTitle:@"Invalid Address" message:@"The email address you entered isn't valid. Please check and try again." delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil] autorelease] show]; Anyone experienced this behavior before and can shed some light? Or maybe guide me in the right direction to debug it further to get to the root cause? Thank you heaps!

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  • I'm writing a diagnostic app for iOS that loads a predetermined set of webpages and records the time it takes for the page to render on the device.

    - by user1754840
    I'm writing a sort of diagnostic app for iOS that opens a predetermined list of websites and records the elapsed time it takes each to load. I have the app open a UIWebView within a ViewController. Here are the important bits of the ViewController source: - (void)viewDidLoad { [super viewDidLoad]; DataClass *obj = [DataClass getInstance]; obj.startOfTest = [NSDate date]; //load the first webpage NSString *urlString = [websites objectAtIndex:obj.counter]; //assume firstWebsite is already instantiated and counter is initially set to zero obj.counter = obj.counter + 1; NSURL *url = [NSURL URLWithString:urlString]; NSURLRequest *request = [NSURLRequest requestWithURL:url]; [obj.websiteStartTimes addObject:[NSDate date]]; [webView loadRequest:request]; } - (void)webViewDidFinishLoading:(UIWebView *)localWebView{ DataClass *obj = [DataClass getInstance]; //gets 'global' variables if(!webView.loading){ NSString *urlString = [websites objectAt:obj.counter]; obj.counter = obj.counter + 1; NSURL *url = [NSURL URLWithString:urlString]; NSURLRequest *request = [NSURLRequest requestWithURL:url]; [obj.websiteStartTimes addObject:[NSDate date]]; [webView loadRequest:request]; } The problem with this code is that it seems to load the next website before the one before it has finished. I would have thought that both the call to webViewDidFinishLoading AND the if statement within that would ensure that the website would be done, but that's not the case. I've noticed that sometimes, a single website will invoke the didFinishLoading method more than once, but it would only enter the if statement once. For example, if I have a list of ten websites, the webView would only really show the 3rd and the 6th website on the list and then indicate that it was "done" rendering them all. What else can I do to ensure that a website is done loading completely and rendered to the screen before the app moves on to the next one?

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  • Getting country calling prefix

    - by Telkitty
    Just wondering whether there are easy ways to retrieve country calling code from a user's phone. For example, my app would like to pre-fill country calling code for the users. If the user is located in the U.S. the code +1 will be returned, +83 for China, +61 for Australia etc. I had a look around but I could only see: NSLocale *locale = [NSLocale currentLocale]; NSString *countryCode = [locale objectForKey: NSLocaleCountryCnode]; Which returns the abbreviation for the country code, not the calling prefix? Help is appreciated!

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  • Sending NSMutableArray on AsycSocket

    - by user200654
    Any one knows how to write and read NSMutableArray or Dictionary data using AsycSocket Library ? Clarification: I want a way to archive NSMuatbleArray and write this on the stream. seemed pretty forward but running in simulator I get this wierd error [NSKeyedUnarchiver initForReadingWithData:]: incomprehensible archive

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  • Popovercontroller doesn't display full

    - by user2959234
    I have an UIPopovercontroller in with an content that generate from an viewcontroller. popOverController = [[UIPopoverController alloc]initWithPopUp:emLightPopUp]; popOverController.delegate = self; // Get device position. CGRect position = {parentButton.frame.origin,emLightPopUp.popUpView.frame.size}; CGSize popUpViewFrameSize = emLightPopUp.popUpView.frame.size; Link screenshot: http://i.stack.imgur.com/AxqoG.png The issue is that when I change the position of select devices (touched button) upwards, the displayed popup will be resized like the screenshot. I already try to set content size inside the subclass of uipopover but it still doesn't work: self.popoverContentSize = emLightPopUp.popUpView.frame.size; EDIT: I solved this problems by calculate the position that display the popup and scroll the scrollview inside into an upper position. Check out this code: -(void)moveDeviceOutMiddleScreen:(id)deviceButton { UIButton* button = (UIButton*)deviceButton; CGFloat yPositionRange = button.frame.origin.y - self.floorZoomScrollView.contentOffset.y; int middle_top_y = 70; int middle_bottom_y = 166; if (yPositionRange > middle_top_y && yPositionRange < middle_bottom_y) { CGRect newRect = CGRectMake(self.floorZoomScrollView.contentOffset.x, self.floorZoomScrollView.contentOffset.y +yPositionRange*0.6, self.floorZoomScrollView.frame.size.width, self.floorZoomScrollView.frame.size.height); [self.floorZoomScrollView scrollRectToVisible:newRect animated:NO]; } } Thanks for your responses.

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  • Apple in-app-purchase ALWAYS with 30 % for Apple?

    - by swalkner
    Hi all, I know that Apple keeps 30 % of the money I make with in-app-purchase. But does that always count? I mean, if there's a feature allowing the user to buy something with an SMS-message, is that allowed? If yes, does Apple also keep 30 % then? Or if I make a WebService-call with username/password and return something to the user then, is it possible to charge that call and keep the money for myself? I thougt that those are options which are not allowed, but there are some apps out there which exactly do it that way - are they only "lucky" and Apple didn't see that or is it allowed to sell services that way? Thanks a lot for your answers, Stefan

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  • An NSMutableArray that doesn't retain?

    - by synic
    A few UIViewControllers in my app that need to register with a "provider" class in their viewDidLoad methods. I've just been adding them to an NSMutableArray contained in the provider class. However, I don't want this NSMutableArray to keep them from being dealloc'ed, and I also want to have them remove themselves from the NSMutableArray in their dealloc methods. I tried just issuing a [self release] after adding them to the array, and this works, but in order to avoid a crash when they get dealloc'ed, I have to issue a [self retain] right before I remove them. It seems like I'm doing something horribly wrong by retaining an object in it's own dealloc method. Is there a better way to store these values?

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