problem about viewdidload-Collection of common programming errors
user1529412
ios5 uiview uitableviewcontroller pushviewcontroller viewdidload
I created UIExamsTVC using storyboards.Once cell is clicked, it takes me to UITestVC.UITestVC has 10 questions, When I get to the last question #10, there I have a “Done” button. I would like to go back to the original UIExamsTVC once the ‘Done’ button Clicked.In: UITestVC.m#import UIExamsTVC.h(on button click)[self.navigationController pushViewController:UIExamsTVC animated:NO];Compile error – Unexpected Interface nameHow can I do this?
Giles Van Gruisen
iphone objective-c viewdidload
I’ve been searching around but unfortunately have had no luck.My app requires the user to sign in/sign up the first time he or she launches the app. I know how to determine first launch (using NSUserDefaults) but whenever I try to present the modal containing the sign in/ sign up controls, nothing happens.Here’s what I have:-(void)viewDidLoad {[self showLogin];[super viewDidLoad]; }-(void)showLogin { FlipsideViewController *controller = [[FlipsideViewController alloc] initWithNibName:@”Accoun
Cocoa Dev
optimization iphone-sdk-3.0 ipad uikit viewdidload
Application Specific Information: com.oneorangetree.iphoneexample failed to launch in time elapsed total CPU time (seconds): 3.500 (user 1.680, system 1.820), 17% CPU elapsed application CPU time (seconds): 0.920, 5% CPUWhen the app loads, it does ALOT of stuff in viewDidLoad It takes about 30 seconds to complete. How can I put this in a background thread or something to speed up the app and prevent the crash (because it took too long to load)
coffeemonitor
xcode uibutton viewdidload
I’m getting my feet wet with objective-C. And thought I’d play with iphone development. I have a Page Controller.h and .mInside my implementation file I’ve thrown a UIButton inside the viewDidLoad method.- (void)viewDidLoad {[super viewDidLoad];// content that loads in viewUIButton *myButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];myButton.frame = CGRectMake(10, 160, 300, 44); [myButton setTitle:@”Press Me!” forState:UIControlStateNormal];myButton.titleLabel.font = [UIFont systemFon
user969043
ios viewdidload viewdidappear
So let’s see if I can write a clear enough description of my problem…I’m developing an application for a museum, where the user can find artworks either through an id or by scanning a qr tag… Once either an id is entered or a tag scanned, the application sends the user from the search view, to the info view. The info view gathers information about the artwork from an SQLite database…My problem is, that in the info view, I call the function from the database class as such:- (void)viewDidLoa
Stonep123
ios objective-c viewdidload
Im getting this warning “Application is expected to have a root view controller at the end of application launch”. Ive read all the other answers and I know why its doing it, but im not sure how to get around it. I have the following code in my viewDidLoad that is causing the error//animated header that displays errors over status bar self.dropdown = [[UIWindow alloc] initWithFrame:CGRectMake(0, -20, 320, 20)]; self.dropdown.backgroundColor = [UIColor redColor]; self.label = [[UILabel alloc] ini
S.L. Barth
iphone objective-c viewdidload loadview
This question already has an answer here:iPhone SDK: what is the difference between loadView and viewDidLoad?8 answersWhat is the difference between viewDidLoad() and LoadView()? In what way are they different from each other?Which one is better when we develop applications without using XIB ? Thanks .
Greg
iphone objective-c dealloc viewdidload
I would be interested in anyone who can provide a little more information regarding Apple’s recommendation below (found in the Core Data tutorial) re nil’ing objects in “viewDidUnload”. For example:why this is important? different between releasing an nil’ing? is this best practice / I haven’t been doing this nor seeing this I don’t think in some iPhone example code I’ve looked at?Code:// The implementation of viewDidUnload should relinquish ownership // of anything created in viewDidLoad that
MadMaxAPP
ios viewdidload presentmodalviewcontrolle
I have a viewController called “FirstViewController”. In an IBAction i call another ViewController called “thePageFlipViewController” and push it in sight via [self presentModalViewController:thePageFlipViewController animated:YES];after some time the user closes thePageFlipViewController with a button where the following code is executed via a delegate in FirstViewController:[self dismissModalViewControllerAnimated:YES]; [thePageFlipViewController release];And here is my problem:-viewDidLoadin
ulag
iphone ipad viewdidload iboutlet
Iv been breaking my head on this for long but im just not able to figure it out. In the view Did Load method of my view controller if i try to make some changes to an imageView connected by an IBOutlet, it is non-responsive. It simply does not respond to any changes im making to IBOutlet elements. For eg: if i have an imageView in IB and its connected thru an IBOutlet and i try to set the hidden property of this ImageView it does not respond. Why this is so is beyond me. I then added that imageV
Amit
iphone viewdidload calling
I have UITableBar based Application with 4 different tabs,in rare case first tab viewController’s viewDidLoad called twice times when tab change and crash my program. Pls help me.
Blue
iphone uibutton viewdidload
I have a button that I need to move on viewDidLoad but it doesn’t want to move… strange thing is that if I use the same exact code on a -(IBAction) then it moves as it should… any clue why is this happening? the code I’m using to move the button is this: self.myButton.center = CGPointMake(50, 120);thanks for any help. Peace, Massy
ed94133
objective-c ios memory-management autorelease viewdidload
I recently enabled multitasking with an app (doesn’t exit when backgrounded) and now have users getting crashes at unpredictable times. The crash logs show the crashes occur in viewDidLoad. My viewDidLoad approach probably needs rethinking anyway. I have some of the view loaded from the xib, then I build the rest of the hierarchy programmatically (including some autoreleased UIButton’s, which I think are the crashing culprit). Any insight into what could be going on and how to approach this bet
Peter DeWeese
ios5 crash nsarray xcode4.2 viewdidload
I have an app that has two separate views with two separate (and separately populated) NSArrays. In array1, I have 10 @”ABC” objects, and in array2, I have 18 @”ABC” objects. view1 with array1 loads perfectly fine; however, view2 crashes. I changed the amount of @”ABC” items in array2 as a sort of trial-and-error way to debug and found I can have only 15 @”ABC” objects. Once I add the sixteenth @”ABC”, the app crashes saying something about viewDidLoad. Does anyone know how to get around this or
scojac
xcode ios crash ios-simulator viewdidload
I’m working on an app that uses a navigation controller. When I build, I get no errors or warnings. I’ve defined a method myMethod in FirstViewController.m file, then in viewDidLoad I call the method with [self myMethod];.When I built and ran from the Console, I got nothing. So I put NSLog() statements like so:-(void) viewDidLoad { NSLog(@”Entering viewDidLoad”); [self myMethod]; NSLog(@”Called myMethod”); [super viewDidLoad]; }The Console never returns the second NSLog statement, leading me to
harshitgupta
ios uiviewcontroller delegates crash viewdidload
I came around a interesting issue while working on my app. Imagine the scenerio whereThere exist one object, Lets call it A. A, then creates an object(B) of some delegation based class, say NSURLConnection. A assigned itself as delegate of B, provided A has implemented all the required delegate methods. A asks B to start its processing. In our example i.e. fetching data from some server. As soon as B finished fetching data, it will call some specified method of A.In the last step, suppose while
Studie
ios4 crash nslog viewdidload
My real code is full of NSLog’s, the following line is the reason for he crash but I don’t understand whyNSString *newDir = [documentsDirectorystringByAppendingPathComponent:file];Here is the whole method:- (void)viewDidLoad { NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0];NSFileManager *fileManager = [NSFileManager defaultManager]; NSArray* newArray= [[NSArray alloc]init]; newArray
houbysoft
ios crash sharekit viewdidload
I’ve just a crash report appear in iTunes Connect, so I’ve loaded it into Xcode, which symbolicated it for me.The relevant portion is:Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x00000000, 0x00000000 Crashed Thread: 0Last Exception Backtrace: 0 CoreFoundation 0x323e188f __exceptionPreprocess + 163 1 libobjc.A.dylib 0x34437259 objc_exception_throw + 33 2 CoreFoundation 0x323e1789 +[NSException raise:format:] + 1 3 CoreFoundatio
hopper
ios uitableview viewdidload
I have a VC that I’m initializing, and in it is a View. In the View is a UITableView, UIButton, and UIImage.I was messing with button attributes when all of a sudden, wham:Assertion failure in -[UITableView _createPreparedCellForGlobalRow:withIndexPath:]After further digging, it was because my code: UINib *animCellNib = [UINib nibWithNibName:@”IoUISEAnimationDetailListingCell” bundle:nil]; [animationDetailsTableView registerNib:animCellNib forCellReuseIdentifier:@”AnimationDetailListingCell”];wa
Michael Rowe
iphone ipad ios5 viewdidload
The following code works as expected on iOS4.3 iPhone and iPad, and iOS5 iPhone, but crashes on iOS5 iPad. This is called for the first view that I call in a Tab based application, when the prior run of the application was cancelled. The user can continue the prior run or reset. I have tried moving this code to both the -viewWillAppear and -viewDidAppear secant, to no avail. Has anyone else experienced this? (Btw, I have confirmed all the connections in my XIBs to make sure it wasn’t a p
Gray
objective-c xcode admob viewdidload
I developed an app and I want to add Admob. I can’t run Admob test Bannerview. Code:// Create a view of the standard size at the top of the screen. // Available AdSize constants are explained in GADAdSize.h. bannerView_ = [[GADBannerView alloc] initWithAdSize:kGADAdSizeBanner]; //bannerView_.frame = CGRectMake(0, 200, 320, 50);// Specify the ad’s “unit identifier.” This is your AdMob Publisher ID. bannerView_.adUnitID = @”a15188d33246d24″;// Let the runtime know which UIViewController to restore
Dina
iphone objective-c interface-builder viewdidload loadview
If I have the views added in Interface Builder and not as addSubView in program Can Use bringSubViewToFront , sendViewToBack? do I need to define loadView in order to use them Because I am trying to use it in ViewDidLoad but it returns undefined method.I have some views in IB I want to send it back? bring other View in front using some boolean variables ? IS that possible in IB or I have to use bringSubViewToFront , sendViewToBack methods? How to use these methods in my case? many thanks
DBD
iphone code-smell dealloc viewdidload
I’m not going to go into the which one is called when and why. (There is a lot on that already)Since we can’t rely on viewDidUnload being called before dealloc I find myself with a lot of duplicated code between the methods.- (void)viewDidUnload {[super viewDidUnload];self.foo = nil;self.bar = nil; }- (void)dealloc {[super dealloc]; [foo release];[bar release];[abc release]; }Redundant code, ick. Anyone know issues in doing it more like this? – (void)viewDidUnload {[super viewDidUnload];[
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