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  • Example of UITextField ResignFirstResponder with Monotouch

    - by kentakhy
    I'm a newbie. I can't figure out how and where to call ResignFirstResponder to get rid of the keyboard when the user finished entering the text in an UITextField. I'm a bit confused by the UIResponder class. Mono documentation says: "To dismiss the keyboard, send the UIResponder.ResignFirstResponder message to the text field that is currently the first responder." How to do so? Can someone post a simple working example? There are many examples in Obj-C but none in C#. Many thanks.

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  • UISplitViewController in a TabBar ( UITabBarController )?

    - by Madhup
    Hi all, I am in kind of situation that I need to start with a tab based application and in that I need a split view for one or more tabs. But it seems that split view controller object can not be added to the tabbarController. (Although tabbar object can be added to the splitviewcontroller). The problem can be seen otherways: I have a full screen in the left part I have a table view when any row is selected in the table a popover should come out pointing that row. Now when any row in the popover is selected the rows in this popover comes to the left under the selected row (only this row would be visible) and another popover comes out from the selected row. (Breadcrumb navigation type) I think I am clear in what I explained. So guys any ideas or work arounds? Please let me know if I am not clear in my question. Thanks, Madhup

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  • UIViewController presentModalViewController: animated: doing nothing?

    - by ryyst
    Hi, I recently started a project, using Apple's Utility Application example project. In the example project, there's an info button that shows an instance of FlipSideView. If you know the Weather.app, you know what the button acts like. I then changed the MainWindow.xib to contain a scrollview in the middle of the window and a page-control view at the bottom of the window (again, like the Weather.app). The scrollview gets filled with instances of MainView. When I then clicked the info button, the FlipSideView would show, but only in the area that was previously filled by the MainView instance – this means that the page-control view on the bottom of the page still showed when the FlipSideView instance got loaded. So, I thought that I would simply add a UIViewController for the top-most window, which is the one declared inside the AppDelegate created along side with the project. So, I created a subclass of UIViewController, put an instance of it inside MainWindow.xib and connected it's view outlet to the UIWindow declared as window inside the app delegate. I also changed the button's action, so that it know sends a message to the MainWindowController instance. The message does get sent (I checked with NSLog() statements), but the FlipSideView doesn't get shown. Here's the relevant (?) code: FlipsideViewController *controller = [[FlipsideViewController alloc] initWithNibName:@"FlipsideView" bundle:nil]; controller.delegate = self; controller.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; [self presentModalViewController:controller animated:YES]; [controller release]; Why's this not working? I've uploaded the entire project here for you to be able to see the whole thing. Thanks for help! -- Ry

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  • CFBundleVersion error even though new version is higher

    - by Rob
    When trying to upload an upgrade binary to iTunes Connect, I am getting this error message even though I have updated CFBundleVersion in my info.plist file to a higher value (and checked the package contents after building it to be sure it copied over). I have already successfully submitted a different app upgrade by doing this same method, but for whatever reason it won't work this time. Any insights or is this an iTunes bug? The binary you uploaded was invalid. The key CFBundleVersion in the Info.plist file must contain a higher version than that of the previously uploaded version.

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  • Rounded Rect UIButton without the border

    - by Dave DeLong
    I'm trying to draw a normal rounded rect UIButton, but without the border. Ideally I'd like to be able to change some setting on the UIButton to disable the border. My problem is that if I change the button type to "custom", I don't get the nice blue selection gradient (which I want to keep), and I have no idea how to draw it manually.

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  • How to disable UIWebview horizontal scrolling?

    - by akaii
    I've tried disabling it by inserting: into my HTML string, and a dozen variations of the above in the vain hope that I just screwed up the tag syntax... but nothing seems to stop UIWebView from scrolling horizontally. And yet there are apps that manage to do this (like MobileRSS), and presumably, since they haven't gotten rejected, they're not using private APIs.

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  • wait_fences: failed to receive reply: 10004003 - what?!

    - by Sam Jarman
    Hey Guys Been getting this odd error. heres the deal - in the below method i have an alert view come up, take a U/N and PW, then atempt to start another method. The method -postTweet does not get activated I just get this error in console wait_fences: failed to receive reply: 10004003 Which is really odd - as ive never seen it before - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{ if (alertView == completeAlert ) { if (buttonIndex ==1) { passPromtAlert = [[UIAlertView alloc] initWithTitle:@"Enter Name" message:@"Please enter your Username and password - they will be saved\n" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"Tweet", nil]; [passPromtAlert addTextFieldWithValue:@"" label:@"Enter username"]; [passPromtAlert addTextFieldWithValue:@"" label:@"Enter password"]; textField = [passPromtAlert textFieldAtIndex:0]; textField2 = [passPromtAlert textFieldAtIndex:1]; textField.clearButtonMode = UITextFieldViewModeWhileEditing; textField.keyboardType = UIKeyboardTypeAlphabet; textField.keyboardAppearance = UIKeyboardAppearanceAlert; textField.autocapitalizationType = UITextAutocapitalizationTypeWords; textField.autocorrectionType = UITextAutocapitalizationTypeNone; textField.textAlignment = UITextAlignmentCenter; textField2.secureTextEntry = YES; textField2.clearButtonMode = UITextFieldViewModeWhileEditing; textField2.keyboardType = UIKeyboardTypeAlphabet; textField2.keyboardAppearance = UIKeyboardAppearanceAlert; textField2.autocapitalizationType = UITextAutocapitalizationTypeWords; textField2.autocorrectionType = UITextAutocapitalizationTypeNone; textField2.textAlignment = UITextAlignmentCenter; [passPromtAlert show]; } if (alertView == passPromtAlert ) { if (buttonIndex == 1) { NSLog(@"here"); [self postTweet]; } } } } Any help would be appreciated Thanks Sam

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  • CAKeyframeAnimation - Examples

    - by Brian
    I have a a menu that is a CALayer that will slide across the screen to a given point. I want the effect where the menu will go a little past the point, then a little before the point, and then land on the point. I can move the menu by applying a transform, but I was hoping to get this bouncing effect to work. I was looking into CAKeyframeAnimation, but I'm having trouble locating an example/tutorial. Any links or help would be great. Thanks.

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  • How can I truncate an NSString to a set length?

    - by nevan
    I searched, but surprisingly couldn't find an answer. I have a long NSString that I want to shorten. I want the maximum length to be around 20 characters. I read somewhere that the best solution is to use substringWithRange. Is this the best way to truncate a string? NSRange stringRange = {0,20}; NSString *myString = @"This is a string, it's a very long string, it's a very long string indeed"; NSString *shortString = [myString substringWithRange:stringRange]; It seems a little delicate (crashes if the string is shorter than the maximum length). I'm also not sure if it's Unicode-safe. Is there a better way to do it? Does anyone have a nice category for this?

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  • Reload UIVIew on UIVIew from Xib

    - by ludo
    Hi, I have a UIViewController that I launch from a Xib file who's contain a UIView (0,0,320,480) and this UIView contain another UIView (0,0,320,250). Inside my ViewController, I need to reload the second UIView bu clicking on a button, how to do that? Thanks,

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  • NSFetchedResultsController crashing on performFetch: when using a cache

    - by Oliver
    I make use of NSFetchedResultsController to display a bunch of objects, which are sectioned using dates. On a fresh install, it all works perfectly and the objects are displayed in the table view. However, it seems that when the app is relaunched I get a crash. I specify a cache when initialising the NSFetchedResultsController, and when I don't it works perfectly. Here is how I create my NSFetchedResultsController: - (NSFetchedResultsController *)results { // If we are not nil, stop here if (results != nil) return results; // Create the fetch request, entity and sort descriptors NSFetchRequest *fetch = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"Event" inManagedObjectContext:self.managedObjectContext]; NSSortDescriptor *descriptor = [[NSSortDescriptor alloc] initWithKey:@"utc_start" ascending:YES]; NSArray *descriptors = [[NSArray alloc] initWithObjects:descriptor, nil]; // Set properties on the fetch [fetch setEntity:entity]; [fetch setSortDescriptors:descriptors]; // Create a fresh fetched results controller NSFetchedResultsController *fetched = [[NSFetchedResultsController alloc] initWithFetchRequest:fetch managedObjectContext:self.managedObjectContext sectionNameKeyPath:@"day" cacheName:@"Events"]; fetched.delegate = self; self.results = fetched; // Release objects and return our controller [fetched release]; [fetch release]; [descriptor release]; [descriptors release]; return results; } These are the messages I get when the app crashes: FATAL ERROR: The persistent cache of section information does not match the current configuration. You have illegally mutated the NSFetchedResultsController's fetch request, its predicate, or its sort descriptor without either disabling caching or using +deleteCacheWithName: *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'FATAL ERROR: The persistent cache of section information does not match the current configuration. You have illegally mutated the NSFetchedResultsController's fetch request, its predicate, or its sort descriptor without either disabling caching or using +deleteCacheWithName:' I really have no clue as to why it's saying that, as I don't believe I'm doing anything special that would cause this. The only potential issue is the section header (day), which I construct like this when creating a new object: // Set the new format [formatter setDateFormat:@"dd MMMM"]; // Set the day of the event [event setValue:[formatter stringFromDate:[event valueForKey:@"utc_start"]] forKey:@"day"]; Like I mentioned, all of this works fine if there is no cache involved. Any help appreciated!

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  • Core Data migration failing with error: Failed to save new store after first pass of migration

    - by unforgiven
    In the past I had already implemented successfully automatic migration from version 1 of my data model to version 2. Now, using SDK 3.1.3, migrating from version 2 to version 3 fails with the following error: Unresolved error Error Domain=NSCocoaErrorDomain Code=134110 UserInfo=0x5363360 "Operation could not be completed. (Cocoa error 134110.)", { NSUnderlyingError = Error Domain=NSCocoaErrorDomain Code=256 UserInfo=0x53622b0 "Operation could not be completed. (Cocoa error 256.)"; reason = "Failed to save new store after first pass of migration."; } I have tried automatic migration using NSMigratePersistentStoresAutomaticallyOption and NSInferMappingModelAutomaticallyOption and also migration using only NSMigratePersistentStoresAutomaticallyOption, providing a mapping model from v2 to v3. I see the above error logged, and no object is available in the application. However, if I quit the application and reopen it, everything is in place and working. The Core Data methods I am using are the following ones - (NSManagedObjectModel *)managedObjectModel { if (managedObjectModel != nil) { return managedObjectModel; } NSString *path = [[NSBundle mainBundle] pathForResource:@"MYAPP" ofType:@"momd"]; NSURL *momURL = [NSURL fileURLWithPath:path]; managedObjectModel = [[NSManagedObjectModel alloc] initWithContentsOfURL:momURL]; return managedObjectModel; } - (NSManagedObjectContext *) managedObjectContext { if (managedObjectContext != nil) { return managedObjectContext; } NSPersistentStoreCoordinator *coordinator = [self persistentStoreCoordinator]; if (coordinator != nil) { managedObjectContext = [[NSManagedObjectContext alloc] init]; [managedObjectContext setPersistentStoreCoordinator: coordinator]; } return managedObjectContext; } - (NSPersistentStoreCoordinator *)persistentStoreCoordinator { if (persistentStoreCoordinator != nil) { return persistentStoreCoordinator; } NSURL *storeUrl = [NSURL fileURLWithPath: [[self applicationDocumentsDirectory] stringByAppendingPathComponent: @"MYAPP.sqlite"]]; NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys: [NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption, [NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, nil]; NSError *error = nil; persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel: [self managedObjectModel]]; if (![persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeUrl options:options error:&error]) { // Handle error NSLog(@"Unresolved error %@, %@", error, [error userInfo]); } return persistentStoreCoordinator; } In the simulator, I see that this generates a MYAPP~.sqlite files and a MYAPP.sqlite file. I tried to remove the MYAPP~.sqlite file, but BOOL oldExists = [[NSFileManager defaultManager] fileExistsAtPath: [[self applicationDocumentsDirectory] stringByAppendingPathComponent: @"MYAPP~.sqlite"]]; always returns NO. Any clue? Am I doing something wrong? Thank you in advance.

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  • Autoresize UITextView and UIScrollView

    - by dennis3484
    Hello guys, I already did several searches on Stack Overflow and Google, but I couldn't find a solution to my problem. I have a Detail View for a product that includes a UIScrollView and a few subviews (UIImageView, UILabel, UITextView). You can find an example here. First I wanna autoresize the UITextView (not the text itself!) to the corresponding height. Then I wanna autoresize the entire UIScrollView so that it fits the height of my UITextView and the elements above it. I've tried the following code: myUITextView.frame = CGRectMake(2.0, 98.0, 316.0, self.view.bounds.size.height); [scrollView setContentOffset:CGPointMake(0.0, 0.0) animated:NO]; scrollView.contentSize = CGSizeMake(320.0, 98.0 + [myUITextView frame].size.height); [self.view addSubview:scrollView]; 98.0 + [myUITextView frame].size.height) because my thought was: After getting the height of myUITextView, add the height of the other subviews (98.0) to it. Unfortunately it doesn't work very well. Depending on the content of the UIScrollView, it is too short or too long. I did some logging with the result that the height of the UITextView is always the same: 2010-01-27 14:15:45.096 myApp[1362:207] [myUITextView frame].size.height: 367.000000 Thanks!

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  • How to programmatically replace UIToolBar items built in IB

    - by frankodwyer
    I have a toolbar with various image buttons, created in Interface Builder. I'd like to be able to programmatically replace one of the buttons with an activity indicator when pressed, and then put back the original button but change its color from white to yellow when the activity completes. Is this possible with an IB built toolbar or must I look at building the whole toolbar programmatically and custom views?

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  • Set UIImageView Size?

    - by Tronic
    hi, i have following problem: i generate subviews UIView in an UIScrollView including UIImageViews. NSArray *bilder = [[NSArray alloc] initWithObjects:@"lol.jpg", @"lol2.jpg", nil]; NSArray *added = [[NSMutableArray alloc] init]; UIImageView *tmpView; for (NSString *name in bilder) { UIImage *image = [UIImage imageNamed:name]; tmpView = [[UIImageView alloc] initWithImage:image]; tmpView.contentMode = UIViewContentModeScaleAspectFit; tmpView.frame = CGRectMake(0, 0, 300, 300); [added addObject:tmpView]; [tmpView release]; } CGSize framy = mainFrame.frame.size; NSUInteger x = 0; for (UIView *view in added) { [mainFrame addSubview:view]; view.frame = CGRectMake(framy.height * x++, 0, framy.height, framy.width); } mainFrame.scrollEnabled = YES; mainFrame.pagingEnabled = YES; mainFrame.contentSize = CGSizeMake(framy.height * [added count], framy.width); mainFrame.backgroundColor = [UIColor blackColor]; i get image file names out of an array. now i want to resize the imageview to a specific size, but it won't work. any advice? thanks + regards

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  • Multi-line strings in objective-c localized strings file

    - by chrispix
    I have a template for an email that I've put in a localized strings file, and I'm loading the string with the NSLocalizedString macro. I'd rather not make each line its own string with a unique key. In Objective-C, I can create a human-readable multiline string like so: NSString *email = @"Hello %@,\n" "\n" "Check out %@.\n" "\n" "Sincerely,\n" "\n" "%@"; I tried to put that in a .strings file with: "email" = "Hello %@,\n" "\n" "Check out %@.\n" "\n" "Sincerely,\n" "\n" "%@"; But I get the following error at build time: CFPropertyListCreateFromXMLData(): Old-style plist parser: missing semicolon in dictionary. email-template.strings: Unexpected character " at line 1 Command /Developer/Library/Xcode/Plug-ins/CoreBuildTasks.xcplugin/Contents/Resources/copystrings failed with exit code 1 I can concatenate it all together like this: "email" = "Hello %@,\n\nCheck out %@.\n\nSincerely,\n\n%@"; But that will be a mess to maintain, particularly as the email gets longer. Is there a way to do this in a localized strings file? I've already tried adding backslashes at the end of each line, to no avail.

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  • Set cursor position in a UITextField (Monotouch)

    - by manuel
    In a UITextView used for entering decimal numbers I would like to get rid of possible leading zeros (The behavior should be like the one of the Calculator App). Normally this would be rather easy to implement but I just cannot figure out how to restore the cursor position. UITextField has a property SelectedTextRange of type UITextRange which can be used to get the cursor position. However, there seems no easy way to get the current index nor to create a new UITextRange object that contains the new values. I could find the solution in objective c: Finding the cursor position in a UITextField It is however very unclear to me how to rewrite that in Monotouch. Any help with this would be highly appreciated. Thanks, Manuel

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  • Cannot find protocol declaration in Xcode

    - by edie
    Hi.. I've experienced something today while I'm building my app. I've added a protocol in my object and assign delegate object on it. I added the protocol on the object that will implement the protocol's method. I've added it in this way as usual @interface MyObject : UIViewController <NameOfDelegate> But the Xcode says that my the protocol declaration cannot be found. I've check my code but I've declared this protocol. I've try to assign MyObject as delegate of other Object. I've edit my code like this @interface MyObject : UIViewController <UITableViewDelegate,NameOfDelegate> but Xcode say again that it cannot found declaration of protocol of NameOfDelegate. I've tried to delete the NameOfDelegate on my code and add assign MyObject as delegate of other object and it goes like this. @interface MyObject : UIViewController <UITableViewDelegate,UITabBarDelegate> No errors have been found. Then I've tried again to add again my NameOfDelegate in the code @interface MyObject : UIViewController <UITableViewDelegate,UITabBarDelegate,NameOfDelegate> At that time Xcode did not find any error on my code. So I tried again to remove the UITableViewDelegate and UITabBarDelegate on my code. @interface MyObject : UIViewController <NameOfDelegate> At that time No error had found but that was the same code I've write before. What should probably the cause of that stuff on my code? Thanks...

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  • Custom UIToolBar from Images

    - by Sophtware
    I need to create a UIToolbar object that uses an image for the background. Most of the buttons are images as well, and rectangular. One button, however, is round and overlaps the toolbar like the Start button on the Windows task bar. See below. I know that I will need to subclass the UIToolbar to paint the image for the toolbar -- I think. If so, does anyone have example code showing how to do this? Furthermore, does anyone have any ideas on how to implement the larger round button? I'm thinking of another custom subclass for this, but not sure if there might be an easier way. I can have the art guys chop the image anyway needed, which I'm sure the round button will need to be chopped some how. Any ideas or sample code?

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  • Add a row to UITableView for adding new item?

    - by David.Chu.ca
    In order to provide UI for user to add new items to my table view, I would like to add a new row in my table at a specified location (last row for example) when the view is in edit mode (I have a edit button on the view's navigation bar right side). This new row will have a add button indicator on the left side and disclosure accessory arrow on the right. When the view is not in edit mode, this add row should not be displayed. I am not sure if I should overwrite: - (void)setEditing:(BOOL)editing animated:(BOOL)animated{...} where I call the UITableView's method: insertRowsAtIndexPaths:(NSArray *)indexPaths withRowAnimation: (UITableViewRowAnimation)animation to insert a new row? My understanding is that this call may add a new row into the table view. The table view's data source is from CoreData storage. Not sure this may cause inconsistent numbers of data in the data store and table view? If it is OK and I have to manage rows in the table view, how can I add left add indicator and left disclosure arrow to the new row? Another question is that if I can do it to insert a new row as Add row, should I remove it when the table view not in edit mode? Just want to know if I am on the right track.

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