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  • NSUserDefaults and show a picture

    - by Momeks
    Hi , iam using setting.bundle and i try to show a hidden picture with Switch toggle , here is my code but i miss something : NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [//Some code show the hidden pic]; myPic.hidden = NO; my key is .e.g = wood_back should i use ObjectForKey ?

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  • NSInvalidArgumentException – App terminates while i'm trying to copy a captured video to documents f

    - by ChrNis
    I'd like to try the wisdom of the crowds..because i'm frustrated right now. Thanks in advance. So here is my code: - (void)imagePickerController:(UIImagePickerController *)ipc didFinishPickingMediaWithInfo:(NSDictionary *)info{ NSLog(@"info: %@",info); NSString *newFilename = [NSString stringWithFormat:@"%@/%@.mov", [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"], [NSString stringWithFormat:@"%d", (long)[[NSDate date] timeIntervalSince1970]]]; NSLog(@"newFilename: %@",newFilename); NSFileManager *filemgr = [NSFileManager defaultManager]; NSError *err; if ([filemgr copyItemAtPath:[info objectForKey:@"UIImagePickerControllerMediaURL"] toPath:newFilename error:&err] == YES) NSLog (@"Move successful"); else NSLog (@"Move failed"); and this is the log: 2010-05-16 18:19:01.975 erlkoenig[7099:307] info: { UIImagePickerControllerMediaType = "public.movie"; UIImagePickerControllerMediaURL = "file://localhost/private/var/mobile/Applications/BE25F9B5-2D08-4B59-8B62-D04DF7BB7E5B/tmp/-Tmp-/capture-T0x108cb0.tmp.8M81HU/capturedvideo.MOV"; } newFilename: /var/mobile/Applications/BE25F9B5-2D08-4B59-8B62-D04DF7BB7E5B/Documents/1274026741.mov [NSURL fileSystemRepresentation]: unrecognized selector sent to instance 0x1c1f90 *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSURL fileSystemRepresentation]: unrecognized selector sent to instance 0x1c1f90

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  • UIScrollView not scrolling...

    - by Mark
    I have a UIScrollView which contains many UIImageView's UILabel's etc... the labels are well longer that the UIScrollView, but when I run the app, I cannot click and scroll down... Why might this be? Thanks

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  • Converting a CGRect of a object in a subview in UITableViewCell in UITable to CGRect with respect to

    - by user362956
    Hey, I want to converte a CGRect "aRect" of a object in a subview in UITableViewCell in UITable to CGRect with respect to self.view. The problem is that aRect is with respect to the subview in the table cell. But i want to make it so that it is with respect to self.view What i tried is this rect = [self.view convertRect:aRect.frame toView:cellView]; but it doesn't work. So how to convert it?

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  • Fake location for the device (custom)

    - by AtomRiot
    I know there are a few apps out there to fake a devices location but specifically what i want to do is use a location grabbed from a url. What direction should I look for setting the location on the device. The scenario i have is a jailbroken Wi-Fi iPad tethered to a nexus one. The nexus one would host a background service that when a request is recieved, it would respond with gps data of its current location. The jailbroken ipad would have a background service that either updated the location on a time interval, or on a per request basis (depending on how i have to implement it) by submitting a request to the tethered nexus one service. That data would then be set on the ipad and an application requesting location would get the service data. The goal is to recreate the location faker app's functionality with the exception of the spoofed location comes from the nexus ones gps via the service but i have not yet found out how to set the location data for the device. I can ofcourse implement this in a per app basis but it would be awesome to have any app be able to use it.

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  • UIView rotate and than move

    - by user1790354
    I have problem with rotating and moving image (UIView). If I use this for rotate: [UIView beginAnimations: @"rotate" contex: nil]; [UIView setAnimationDuration: 1]; [UIView setAnimationBeginsFromCurrentState: YES]; [UIView setAnimationCurve: UIViewAnimationCurveLinear]; spaceShip.transform = CGAffineTransformMakeRotation (angle); // spaceShip is the UIView [UIView commitAnimations]; And this to move: [UIView beginAnimations: @"move" contex: nil]; [UIView setAnimationDuration: 1]; [UIView setAnimationBeginsFromCurrentState: YES]; [UIView setAnimationCurve: UIViewAnimationCurveLinear]; spaceShip.center = destanation // destanation is a point where user tap [UIView commitAnimations]; It's working well one at a time. But together this two animations don't work. Space Ship is rotating, but does not move in direction. Where my mistake? P.S. Early I have specify anchor point (0.5, 0.5). But when I rotate image it coordinates is changing.

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  • I need objective syntax for calculating bmi

    - by Umaid
    Actually I am working on bmi calculator. Where I would like to calculate bmi for height in inches and weight in lbs and also in need of correct formula for height in cm and weight in kgs. I have tried but couldn't calculate actual value coming withing the range as below. It exceeds the range. BMI Categories: * Underweight = <18.5 * Normal weight = 18.5-24.9 * Overweight = 25-29.9 * Obesity = BMI of 30 or greater

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  • Adding a UILabel to a UIToolbar

    - by Boolean
    I'm trying to add a label to my toolbar. Button works great, however when I add the label object, it crashes. Any ideas? UIBarButtonItem *setDateRangeButton = [[UIBarButtonItem alloc] initWithTitle:@"Set date range" style:UIBarButtonItemStyleBordered target:self action:@selector(setDateRangeClicked:)]; UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(5, 5, 20, 20)]; label.text = @"test"; [toolbar setItems:[NSArray arrayWithObjects:setDateRangeButton,label, nil]]; // Add the toolbar as a subview to the navigation controller. [self.navigationController.view addSubview:toolbar]; // Reload the table view [self.tableView reloadData];

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  • How to increase Size of PhotoLibrary View in iPad?

    - by Shreedhar
    Folwing code is to pop photoLibrary videoPicker = [[UIImagePickerController alloc] init]; videoPicker.delegate = self; videoPicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; videoPicker.mediaTypes = [NSArray arrayWithObjects:(NSString *) kUTTypeImage,(NSString *)kUTTypeMovie,nil]; videoPicker.allowsEditing = YES;; pop = [[UIPopoverController alloc]initWithContentViewController:videoPicker]; pop.popoverContentSize = CGSizeMake(500, 900); [pop setDelegate:self]; [pop presentPopoverFromRect:[sender frame] inView:self.view permittedArrowDirections:UIPopoverArrowDirectionDown animated:YES]; [videoPicker release]; How to increase the photoLibrary view(width X height) on pop?

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  • What does -setPropagatesDeletesAtEndOfEvent: actually do?

    - by dontWatchMyProfile
    Let me try it: If I don't set this, then the default value is YES. So when I delete an managed object from the context, the context propagates this immediately to the persistent store so the object is gone? And when I set this to NO, then objects are deleted from the persistent store only when calling -save? Is that really true? I mean: If it was true, then the default behavior is that once you call the context to delete an object, the object is gone. Lets assume you're not using an undo manager. So... gone. Right? No rollback possible? Or can it still be recovered with a rollback?

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  • How do you pass objects between View Controllers in Objective-C?

    - by editor
    I've been trudging through some code for two days trying to figure out why I couldn't fetch a global NSMutableArray variable I declared in the .h and implemented in .m and set in a the viewDidLoad function. It finally dawned on me: there's no such thing as a global variable in Objective-C, at least not in the PHP sense I've come to know. I didn't ever really read the XCode error warnings, but there it was, even if not quite plain English: "Instance variable 'blah' accessed in class method." My question: What am I supposed to do now? I've got two View Controllers that need to access a central NSMutableDictionary I generate from a JSON file via URL. It's basically an extended menu for all my Table View drill downs, and I'd like to have couple other "global" (non-static) variables. Do I have to grab the JSON each time I want to generate this NSMutableDictionary or is there some way to set it once and access it from various classes via #import? Do I have to write data to a file, or is there another way people usually do this?

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  • Updating UILabel and UIButton immediately

    - by paul simmons
    Hi, In a project, I change a UILabel's text with setText, a UIButton's color and after that do a time consuming calculation, followed by an animation. However, the text's and color's change is reflected after the calculation is executed (and before the animation begins) however I want to reflect the changes immediately before calculation (as you guess it is a waiting text) How can I achieve this?

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  • UITextField with numbers and default keyboard

    - by n35
    Created a UITextField for "Postal Code/ZIP" field with a keyboardType of UIKeyboardTypeDefault. I would like to use the default keyboard but want the numbers & symbols to be shown by default as apposed to letters. Apple does this when you are entering addresses in the Contacts.app. Anyone know how to get this accomplished?

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  • Can a tab bar controller added to a uitableview?

    - by Sheehan Alam
    I have a View that contains a UITableView and a UITabBarController. I have set my IBOutlets, but the UITabbarController does not appear. Do I need to do anything else to allow it to appear? Note: I don't want the tab-bar to be displayed throughout the entire application. Only on one specific view.

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  • Image is not detected if taken from camera Using UIImagePickerControllerSourceTypeCamera

    - by user1314379
    I am trying to build an app which will compare the two images and gives the Matching Percentage. I am taking two Images from The camera(Making use of UIImagePickerController) and saving it to the document directory.Then i fetch these images in a different view controller to get the face part, using CIDetector API and CIfacefeature API. The problem is It is not detecting the face at all through i am able to fetch the images properly. And if i store the same image in the main bundle it detects. I dnt know where the problem is. I have tried everything. May Be the problem is with the UIImage or may be the format in which image is getting saved in document directory or with the camera. Please help. I will be grateful to you. Thanks in Advance.

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  • Application to download video from youtube

    - by Nidal Saed
    I making an application to view videos form youtube, and I think it is very easy to write a code to make the user be able download the videos and save it in the documents folder of the application, my questions are: 1) is it legal to do this, and is there any concern of the application being rejected? 2) is it possible to make the user watch the video and when he finish (watched all the video) get this data and save it, (not to download it again since he already watched the video and downloaded it).

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  • how can i show ccessarychecked cell values in alertbox

    - by adnan
    i have created uitableview and cell in uitableview are accessarychecked . i have implemented an action named -(IBAction) checkBoxClicked . what i need is that i wanted to show accessarychecked cell values in alertbox when i click on button this is the code which i have written #import "ViewController.h" @implementation ViewController @synthesize cell; - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return 7; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { cell= [tableView dequeueReusableCellWithIdentifier:@"cell"]; if (cell == nil) { cell = [[ UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"cell"]; } cell.textLabel.text = [myarray objectAtIndex:indexPath.row]; /* NSString *imagefile = [[NSBundle mainBundle] pathForResource:@"cellimage" ofType:@"png"]; UIImage *ui = [[UIImage alloc] initWithContentsOfFile:imagefile]; cell.imageView.image = ui;*/ NSString *check = [[NSBundle mainBundle] pathForResource:@"checkbox_not_ticked" ofType:@"png"]; UIImage *bi = [[UIImage alloc] initWithContentsOfFile:check]; cell.imageView.image = bi; cell.accessoryType = UITableViewCellAccessoryNone; return cell; [cell release]; } - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { cell = [tableView cellForRowAtIndexPath:indexPath]; if (cell.accessoryType == UITableViewCellAccessoryNone) { cell.accessoryType = UITableViewCellAccessoryCheckmark; } else { cell.accessoryType = UITableViewCellAccessoryNone; } } -(IBAction) checkBoxClicked { NSArray *array = [[NSArray alloc] initWithArray:[myarray objectAtIndex:cell.accessoryType]:UITableViewCellAccessoryCheckmark]; if (array.cell.accessoryType == UITableViewCellAccessoryCheckmark) { UIAlertView *msg = [[ UIAlertView alloc] initWithTitle:@"selected items are given: " message:array delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil, nil ]; [msg show ]; [msg release]; [myarray release]; } } //-(IBAction)checkBoxClicked{} - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } #pragma mark - View lifecycle - (void)viewDidLoad { myarray = [[NSArray alloc] initWithObjects:@"mondey",@"tuesday", @"wednesday",@"thursday",@"friday",@"saturday",@"sundey", nil]; [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. } - (void)viewDidUnload { [myarray release]; [super viewDidUnload]; // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; } - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; } - (void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:animated]; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown); } @end

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  • Set the thumbImage and watch the slider-bar disappear?

    - by Roberta
    [sld1 setThumbImage:[UIImage imageNamed:@"Blue.png"] forState:UIControlStateHighlighted]; [sld1 setThumbImage:[UIImage imageNamed:@"Blue.png"] forState:UIControlStateNormal ]; Would that cause the slider-bar image to disappear? Mine are all gone. (The thumb-image displays just fine.) Apple's docs make it sounds like I can use any ONE of above 2 lines of code. (But I guess I really need both.) And I can't find anything about "you must always do all 4": Set the normal-state image. Set the highlighted-state image. Set the setMinimumTrackImage. Set the setMaximumTrackImage.

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  • How to figure out if two CGRect intersect?

    - by mystify
    In -drawRect: I want to check if the provided rect intersects with anotherRect. I'm not good at this geometry math stuff and especially at english so what I want to say is: If you have two sheets of paper on the desk, and one of them covers the other either completely or just a small portion, it is rectsIntersect = YES. How to check that out for rect and anotherRect?

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  • Is there any difference in the implementation of these three validation methods?

    - by dontWatchMyProfile
    Core Data is calling these methods in certain situations: - (BOOL)validateForInsert:(NSError **)outError; - (BOOL)validateForUpdate:(NSError **)outError; - (BOOL)validateForDelete:(NSError **)outError; I wonder if they're doing anything different, or if they're essentially doing the exact same things. As far as I know, these methods call the -validateValue:forKey:error: method once for every property. The only difference I can imagine is in the .validateForDelete: method. I see no reason why to validate an object when it shall be deleted, except for applying delete rules, probably only in the case of the DENY rule.

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  • Month TableView Organizer

    - by rson
    I need to create a table view with 1 or 2 sections, depending on certain conditions. The first section needs to contain all of the remaining months of the current year, and the second section contains the preceding months of the next year, up to but not including the current month. Example: 2009 November December 2010 January February March April May June July August September October This would be the scenario with the current month of November. However, if it were January, there would be only 1 section containing all 12 months of the current year. This all needs to be dependent on the date settings of the phone.

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  • NSMutableArray of Objects misbehaves ...

    - by iFloh
    I hope someone understands what happens to my NSMutableArray. I read records a, b, c, d from a database, load the fields into an object an add the object to an array. To do this I read the records into an instance of that object (tmpEvent) and add the Object to the target array (NSMutableArray myArray). the code looks like: for (condition) { tmpEvent.field1 = [NSString stringWithUTF8String:(char*)sqlite3_column_text(stmt, 0)]; tmpEvent.field2 = [NSString stringWithUTF8String:(char*)sqlite3_column_text(stmt, 1)]; tmpEvent.field3 = [NSString stringWithUTF8String:(char*)sqlite3_column_text(stmt, 2)]; NSLog(@"myArray: adding %@", tmpEvent.field1); [myArray addObject:tmpEvent]; } The NSLog shows myArray: adding a myArray: adding b myArray: adding c myArray: adding d Subsequent I enumerate the array (this can be in the same or a different method): for (myObject *records in myArray) { NSLog(@"iEvents value %@", records.field1); } The NSLog now shows: myArray value d myArray value d myArray value d myArray value d a mystery .... ??? any thoughts?

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