uiactivityindicatorview

Creating a custom UIActivityIndicatorView

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I want to have a custom view for UIActivityIndicatorView rather than relying on options given by iOS. How can I create my own view here? I have a list of images with me to create a animated view. Jhaliya As you haven't specified the case in which you want to use the activity indicator, check the below tutorial blog for custom UIActivityIndicatorView , Custom UIActivityIndicatorView (EDIT: This link is gone) Showing a "Loading..." message over the iPhone keyboard Or Ron This is implementation of custom UIActivityIndicator from scratch ready for integrating. Abhinav, if you want to use a set of

Common multithreading mistakes beginners make on iPhone

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问题 I just introduced multithreading into my app JUST to get a silly UIActivityIndicatorView to work. Well, the activity indicator works, alright -- but now my app crashes sometimes, and sometimes it doesn't -- under otherwise controlled conditions... I need to figure this out but don't know where to start looking... So, what are some common mistakes beginners often make with multithreading on the iPhone? Please be specific in your answers. Thanks for your time. UPDATE : I added my problematic

Can I change the size of UIActivityIndicator?

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Whatever size i give to it while allocation, it shows fixed size only. Is it possible to increase it? Code: activityIndicator = [[UIActivityIndicatorView alloc] initWithFrame: CGRectMake(142.00, 212.00, 80.0, 80.0)]; [[self view] addSubview:activityIndicator]; [activityIndicator sizeToFit]; activityIndicator.autoresizingMask = (UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin); activityIndicator.hidesWhenStopped = YES; activityIndicator.activityIndicatorViewStyle =

how to display UIActivityIndicatorView BEFORE rotation begins

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问题 I'd like to display an activity indicator BEFORE the work undertaken by willAnimateRotationToInterfaceOrientation:duration: begins. Most of the time in my app, this work is quickly completed and there would be no need for an activity indicator, but occasionally (first rotation, i.e. before I have cached data, when working with a large file) there can be a noticeable delay. Rather than re-architect my app to cope with this uncommon case, I'd rather just show the UIActivityIndicatorView while

Is there an ActivityIndicator in WatchKit for Apple Watch?

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Is there an ActivityIndicator (or something like it) in WatchKit for Apple Watch? How do you all give the user feedback about some longer lasting background activity? Edit : This answer was originally posted prior to the introduction of Apple Watch models with cellular and wifi connectivity, and thus may no longer apply on newer models of the device (considering significant performance improvements). This thread on the Apple Developer forums has an authoritative answer from an Apple engineer about why you shouldn't be performing network operations with Apple Watch. There are two big reasons

How to display activity indicator in center of UIAlertController?

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问题 I currently have a UIAlertController being displayed on the screen. The view of the alert should only display 2 elements, a title and a UIActivityIndicatorView in the center of the alert. Below is the function that displays the alert and its elements. func displaySignUpPendingAlert() -> UIAlertController { //Create the UIAlertController let pending = UIAlertController(title: "Creating New User", message: nil, preferredStyle: .Alert) //Create the activity indicator to display in it. let

How can I show alertview with activity indicator?

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I want to show alertview with message: "Loading data" and spinning activity indicator. How can I do this? Sat you can add a label and activityindicator as subviews of your alert view. you have to do some thing like this myAlertView = [[UIAlertView alloc] initWithTitle:@"Loading" message:@"\n\n" delegate:self cancelButtonTitle:@"" otherButtonTitles:@"OK", nil]; UIActivityIndicatorView *loading = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray]; loading.frame=CGRectMake(150, 150, 16, 16); [myAlertView addSubview:loading]; [myAlertView show]; .

Is there an ActivityIndicator in WatchKit for Apple Watch?

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问题 Is there an ActivityIndicator (or something like it) in WatchKit for Apple Watch? How do you all give the user feedback about some longer lasting background activity? 回答1: Edit : This answer was originally posted prior to the introduction of Apple Watch models with cellular and wifi connectivity, and thus may no longer apply on newer models of the device (considering significant performance improvements). This thread on the Apple Developer forums has an authoritative answer from an Apple

UIActivityIndicator not working properly?

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问题 I have a problem regarding UIActivityIndicator. I applied [spinner startAnimating] at the IBAction on a button and then doing some process. After the process activityindicator should be stopped and then navigate to another view. But the activity indicator does not appear. When I remove the line "[spinner stopAnimating]" then the indicator appears but not at the instant button is pressed. It appears just before the other view loads, and apparently does not appear, I mean it does not appear but

Can I change the size of UIActivityIndicator?

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问题 Whatever size i give to it while allocation, it shows fixed size only. Is it possible to increase it? Code: activityIndicator = [[UIActivityIndicatorView alloc] initWithFrame: CGRectMake(142.00, 212.00, 80.0, 80.0)]; [[self view] addSubview:activityIndicator]; [activityIndicator sizeToFit]; activityIndicator.autoresizingMask = (UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin);