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Turn a switch Off or On on the basis of another switch state

ios,xcode,uiswitch

first of all you need to create IBOutlet of both UISwitch in your header .h file @property (strong, nonatomic) IBOutlet UISwitch *isMale; @property (strong, nonatomic) IBOutlet UISwitch *isFemale; then in your IBAction do as follow. - (IBAction)isMale:(id)sender { if ([sender isOn]) { [_isFemale setOn:NO animated:YES]; } else { // do...

When trying to include “ in a String, using \” works but the \ is included too

xcode,string,swift,string-formatting

As you can see in the documentation: String literals can include the following special characters: The escaped special characters \0 (null character), \ (backslash), \t (horizontal tab), \n (line feed), \r (carriage return), \" (double quote) and \' (single quote) (snip) let wiseWords = "\"Imagination is more important than knowledge\"...

How to use existing SQLite database in swift?

ios,database,xcode,sqlite,swift

First add libsqlite3.dylib to your Xcode project (in project settings/Build Phases/Link Binary with Libraries), then use something like fmdb, it makes dealing with SQLite a lot easier. It's written in Objective-C but can be used in a Swift project, too. Then you could write a DatabaseManager class, for example... import...

Move UIToolbar with keyboard iOS8

xcode,ios8,uitoolbar

First: self.view do not have the toolbar, you have to move your toolbar separately.. Second: self.navigationController.toolbar = CGRectMake.. this is wrong, self.navigationController.toolbar.frame = CGRectMake.. is the correct way. Third: Using self.navigationController.toolbar.frame.origin.y - keyboardFrame.size.height +self.navigationController.toolbar.frame.size.height i think you have to correctly calculate the frame of the self.navigationController.toolbar based from the height...

How to send users a photo with Parse?

xcode,parse.com,photos

After looking your code, you just save the image in cloud and you neither specify who uploaded it and who can access it(Read and Write Permission is not set). By default, whatever you are storing in parse cloud, the ACL(Access Control List) is Public Read, Write. So, If you want...

How to use tests in Xcode (iOS application)

ios,objective-c,iphone,xcode,testing

These are called Unit Tests and you can test your components, like classes and functions, with them. You write a Test and if you change something on your classes, the test will show you if the class still works as expected. For an example: http://www.preeminent.org/steve/iOSTutorials/XCTest/ You should also read a...

WatchKit Invalid Bundle Structure- WatchKitStub

ios,xcode,watchkit

I had to navigate to ~/Library/Developer/Xcode/Archives/(DateOfArchive) Then clicked Show Package Contents of the archive Then Products/Applications Show Package Contents of the Application Then I deleted the WatchKitStub folder

Assign the value from a text field into an int variable to do some math with other variables and then return it?

ios,xcode,variables,textfield,assign

The opposite of that would be getting converting string to float. You can do it with this init = [_Initial.text floatValue]; ...

Could not cast value of type 'UIImageView' (0x17c0f5c) to 'UIButton' (0x17c3298)

xcode,swift

Problem Solved. The way i did it was that i moved my button with 0 tag after my board.

Objective C - bold and change string text size for drawing text onto pdf

objective-c,xcode,pdf,size,bold

Solved it by making a separate method as below (I used + since I have this inside an NSObject and is a class method rather than in a UIViewController): +(void)addText:(NSString*)text withFrame:(CGRect)frame withFont:(UIFont*)font; { [text drawInRect:frame withFont:font]; } Outside the method, declaring inputs and calling it: UIFont *font = [UIFont fontWithName:@Helvetica-Bold"...

iOS 9 not supported on Xcode 6.3

ios,xcode,ios9

If you installed iOS 9 beta onto your iPhone, then you cannot develop on it without Xcode 7. However, this is not a completely terrible thing; you can readily have both Xcode 7 and Xcode 6 on the same computer. What you cannot do is revert your iPhone back to...

How can I open an Image in a default Image Viewer by providing the path of the file?

ios,xcode,xcode6

I have used QLPreviewController in one of my projects. I think that is an easiest option to implement. Also I don't know whether it is the solution what you are looking for. I have created it with the following code Class qlookclass = NSClassFromString(@"QLPreviewController"); if(qlookclass){ //check if the image exists...

How do you work with views in MainMenu.xib?

objective-c,xcode,osx,cocoa

So the default is that your main application window is an outlet in the app delegate. You should keep MainMenu.xib's owner as the app delegate. A common alternative, if you are creating your own custom window controller, is to create a property in the AppDelegate of type CustomWindowController, then in...

Swift : pictures as Buttons

xcode,swift

let button = UIButton() button.setImage(UIImage(named: "myImage.png"), forState: UIControlState.Normal) button.addTarget(self, action: Selector("myFuncName"), forControlEvents: UIControlEvents.TouchUpInside) ...

Build error after I localized Info.plist

ios,objective-c,xcode,swift,localization

Roll back those changes, add a InfoPlist.strings file to your project, localize it and then add the needed keys to it. For example: "CFBundleDisplayName" = "App display name"; "CFBundleName" = "App bundle name"; ...

TableViewCell overlaps text

ios,xcode,swift,uitableview,overlap

I can fix the problem. In the storyboard, the label have unchacked "Clears Graphics Context". I checked and for now it solved! Thanks for the help!

Java Server Pages, Java iOS and Codename One

java,ios,eclipse,xcode

That's not how Codename One works. JSP code will run on the server unrelated to Codename One, the xcode project won't work with Codename One. You will need to write the mobile code from scratch....

Xcode referencing old copies of files

ios,objective-c,xcode,file-management

Xcode does not keep the source files, it just points to them. Most likely you are editing a copy Xcode is not using. In Xcode check the location of the file it is using: ...

Query to retrieve a BOOL from Parse DB for the current logged in user, which will determine what segue to go to

ios,objective-c,iphone,xcode,parse.com

You can just retrieve the profileCompleted value from the current user - PFUser *currentUser = [PFUser currentUser]; BOOL profileCompleted= [[currentUser[@"profileCompleted"] boolValue]; if (profileCompleted) { ... } if the data held in PFUser may be stale (e.g. profile was completed somewhere else) then you will need to fetch the user -...

How can I find out the Objective-C generics type?

ios,objective-c,xcode,generics

The lightweight generics introduced in Xcode 7 are just compile time hints to help the compiler raise warnings, but at run time you get the same old behavior with your variable being just NSArrays of ids. Source: WWDC '15 "Swift and Objective-C Interoperability" session See the transcript of the talk:...

Swift 2.0 Errors

xcode,build-error,swift2

The completion handler is not an optional. You need to pass something. You can pass an empty closure: sprite.runAction(moveToAction, completion: {}) Or, as matt points out, the better approach is to use the other form: sprite.runAction(moveToAction) Matt's answer is really the better one....

Chance of a conditional occurring in Swift: Xcode

xcode,swift,if-statement,conditional,percentage

You can use arc4random_uniform to create a read only computed property to generate a random number and return a boolean value based on its result. If the number generated it is equal to 1 it will return true, if it is equal to 0 it will return false. Combined with...

What is the best way to make sure I am not using any unavailable API's on OSX?

objective-c,xcode,osx,cocoa

For the moment, there's no easy way to do this, since as you said, 10.9 is the farthest back you can specify. Until Xcode 7 is released, which I believe will only help with more recent SDKs anyway, you have few choices, none at all convenient: Keep a cheap Mac...

Transferring an Xcode project to another computer with all files/frameworks

ios,xcode,frameworks,transfer,projects

Try transferring everything from plists to the storyboard. I did this with a friend of mine and it only took about 20 minutes for the code to build and run successfully on his own laptop. the biggest issue is going to be transferring the files that Xcode is going to...

Clang Pragma Comprehensive List

xcode,clang,llvm

You're doing everything right, the only thing you're missing is: Clang we have in Xcode is different from Clang we can download at http://clang.llvm.org. You can obtain Apple's version of compiler at http://opensource.apple.com under 'Developer tools', but usually there is pretty old version. Whenever Apple engineers introduce something new into...

canEvaluatePolicy Extra argument 'error' in call Swift Xcode 7

ios,xcode,ios8,xcode7

As mentioned in Using Swift with Cocoa and Objective-C, all Objective-C methods that use NSError to return an error object will now throw when called from Swift 2.0, so you need to use: do { try method() } catch let error as NSError { reportError(error) } Removing the reference to...

Command-Line Testing Using Cocoa Touch

xcode,cocoa,kif

After checking several options, I have decided to use xctool because this is a recommended tool when the tests have been done using KIF. At the beginning I had some trouble trying to run the test, but after reading other posts I have use the following commands: For running all...

When trying to get dynamically created UILabel to wrap, text disappears

xcode,swift,word-wrap,cgrect,sizetofit

Changing the position of sizeToFit() after assigning text did the job as suggested by Bartlomiej above

Objective c - ios : How to pick video from Camera Roll?

ios,objective-c,iphone,xcode,uiimagepickercontroller

Please use the following code to select video from iOS gallery UIImagePickerController *videoPicker = [[UIImagePickerController alloc] init]; videoPicker.delegate = self; videoPicker.modalPresentationStyle = UIModalPresentationCurrentContext; videoPicker.mediaTypes =[UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerSourceTypePhotoLibrary];‌​ videoPicker.mediaTypes = @[(NSString*)kUTTypeMovie, (NSString*)kUTTypeAVIMovie, (NSString*)kUTTypeVideo, (NSString*)kUTTypeMPEG4];...

Why label still append 0 once press clear button “C”?

xcode,swift

Just add this condition into displayHistory() method : if history.text == "0" { history.text = historyLabel }else { history.text = historyLabel + history.text! } ...

How do I add a reset function?

ios,xcode,swift

Why not save a button state in a global variable, so you can do what you want? Here is a quick example: (you can chance the title of the button here too) var buttonState:Int = 0; // func for buttonpress @IBAction func startButtonClicked(sender: UIButton) { switch(buttonState) { case 0: //...

Xcode UIWebView not changing page with changed URL

ios,objective-c,xcode,uiwebview

[self.webView reload] - will reload the current page. This is probably happening before the loadRequest has finished. Try removing this line. Also, @joern's comment is correct; the 'event' is the user making a pan gesture. Lose the timer....

Tic Tac Toe Game Algorithm considers it a draw if won on the last move

ios,xcode,swift

You check for a tie after checking every combination. This works if it isn't the last move because your tie condition (all spaces filled) will be false. But, when all spaces filled you are doing "is combo 0 a win"? NO, "are all spaces filled?" YES, a tie, "is combo...

How to change textView in separate ViewController from button in another ViewController?

ios,xcode,swift,button,uiviewcontroller

Follow these steps... 1: Create a Separate file called Manager.swift and place this code in it... //manager.swift import Foundation struct Manager { static var messageText = [String]() } 2: Clean your project by pressing Shift+Command+K. 3: In the first view controller set the messageText to the text fields text... Manager.messageText.append(self.textField.text)...

Getting nil values in Swift when i create new Instance to the class

ios,xcode,swift,xcode6

Your method callApiWithData return a object as HttpResponseVO. You created a new instance in ViewController.swift, but you didn't set anything. Try it. self.httpVO = self.httpHelper.callApiWithData(dictParams, url: BASE_URL, httpType: httpType) ...

Extracting values from NSDictionary to individual variables

ios,xcode,swift

The problem is here, you are declaring record as a String, previously it was NSDictionary and due to scope the record in record["record_id"] is String not NSDictionary. Quick fix is to change the name as I did let time: String = record["time"] as! String let record1: String = record["record"] as!...

How do I get a UILabel text to change randomly?

ios,xcode,swift

Just to answer your last question as to how to generate random numbers ranging from 1 to 10 (instead of 0 to 10): int i = arc4random_uniform(9)+1; ...

How to animate an object vertically with touch like Spotify's music player does when tapping the song,

xcode,drag,tap

I recommend using spring animations if you want a nice animation like this: func buttonTapped(sender: UIButton!) { //or in an IBAction let duration: NSTimeInterval = 0.75 let damping: CGFloat = 1 let velocity: CGFloat = 0.5 UIView.animateWithDuration(duration, delay: 0.5, usingSpringWithDamping: damping, initialSpringVelocity: velocity, options: .CurveLinear, animations: { self.myView.center.y = self.view.frame.height/2...

Why is the button not working

ios,xcode,swift

You're re-declaring gameOver inside the if statement. Just remove var. Check this code out: class ViewController: UIViewController { var gameOver: UIView! override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources...

Filter array based on coordinate from mapview frame in objective C

ios,objective-c,xcode,annotations,mkmapview

What you could do is: A) get the annotations directly: MKMapRect visibleMapRect = mapView.visibleMapRect; NSSet *visibleAnnotations = [mapView annotationsInMapRect:visibleMapRect]; B) Loop through your array and check whether the point is inside: MKMapRect mapRect = mapView.visibleMapRect; for (NSDictionary *item in array) { CLLocation *location = item[@"location"]; // Or what ever you...

UILabel autoshrink and use 2 lines if necessary

ios,objective-c,xcode,autolayout

I came up with a solution. Set "Lines" to 2 Set "Line Breaks" to "Truncate Tail" Set "Autoshrink" to "Minimum Font Scale" and set the value to 0.1 (or however small you want it to be) (Optional) Check "Tighten Letter Spacing" The next part was in code. I subclassed UILabel...

best way to create a mat from a CIImage?

c++,xcode,osx,opencv,opencv3.0

Found a solution to get rid of the crash: use createCGImage:fromRect to skip the NSBitmapImageRef step: - (void)OpenCVdetectSmilesIn:(CIFaceFeature *)faceFeature usingImage:ciFrameImage { CGRect lowerFaceRectFull = faceFeature.bounds; lowerFaceRectFull.size.height *=0.5; CIImage *lowerFaceImageFull = [ciFrameImage imageByCroppingToRect:lowerFaceRectFull]; // Create the context and instruct CoreImage to draw the output image recipe into a CGImage if( self.context...

type casting in objective-c, (NSInteger) VS. integerValue

ios,xcode,casting

NSNumber is a class; NSInteger is just a typedef of long, which is a primitive type. dic[@"count"] is a pointer, which means that dic[@"count"] holds an address that points to the NSNumber instance. NSNumber has a method called integerValue which returns an NSInteger as the underlying value that the NSNumber...

New warnings in iOS9

xcode,ios9

You library was compiled without bitcode but the bitcode option is enabled in your project settings. Say NO to Enable Bitcode in your target Build Settings and the Library Build Settings to remove the warnings. ...

Testflight issue: can only install app on devices that were plugged in directly

ios,xcode,testflight

You should sign your application with an Ad-hoc profile, not the developer and not the AppStore one. To make sure it is about provision or certificate signing, with your device connected to computer, in XCode, open device manager and see log while you are trying to install app via Testflight.

Running app from console gets CodeSign error: code signing is required for product type 'Application' in SDK 'iOS 8.1'

xcode,xctool

After reading several posts at stackoverflow and several post at Github, I found this one where I found a solution at the end. Therefore, my solution was: xctool/xctool.sh -workspace Supermaxi.xcworkspace -scheme Supermaxi build CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO It worked for me....

How can I fix crash when tap to select row after scrolling the tableview?

ios,xcode,swift,uitableview,tableviewcell

Because you are using reusable cells when you try to select a cell that is not in the screen anymore the app will crash as the cell is no long exist in memory, try this: if let lastCell = self.diceFaceTable.cellForRowAtIndexPath(lastIndexPath) as! TableViewCell{ lastCell.checkImg.image = UIImage(named: "uncheck") } //update the data...

Swift 2 : NSData(contentsOfURL:url) returning nil

ios,json,xcode,foundation,swift2

I would expect it to work in the terminal, since what you're seeing here is likely not a bug in Swift or Cocoa Touch, but the side effects of a new feature in iOS 9 called App Transport Security. What this means is that by default, iOS will not permit...

Xcode storyboard versus @3x

xcode,storyboard,retina-display

I am using Xcode 6.3.1. You should use Images.xcassets found in the File Manager. You then drag and drop the images from the File Manger into the left hand pane of the Images.xcassets. It will create a new xcasset with the same name minus the @#x.png. You then drag the...

Uploading Strings in an array of labels to parse

ios,arrays,xcode,parse.com,labels

Yup pretty simple. I would look into Relations. See their guide here But if you want it as an array for that user here is how you would do that: https://parse.com/docs/ios/guide#relations-using-an-array Copy/Paste: OBJ C // let's say we have an author PFObject *author = ... // and let's also say...

How do I create one button, but make it have two functions?

ios,xcode,swift

You can do it as follows. @IBAction func startstop(sender: AnyObject) { if !timer.valid{ let aSelector : Selector = "updateTime" timer = NSTimer.scheduledTimerWithTimeInterval(0.01, target: self, selector: aSelector, userInfo: nil, repeats: true) startTime = NSDate.timeIntervalSinceReferenceDate() } else{ timer.invalidate() } } Else you can take one flag as boolean. You can check by...

UITapGestureRecognizer sender is the gesture, not the ui object

ios,xcode,swift,uigesturerecognizer

You can get a reference to the view the gesture is added to via its view property. In this case you are adding it to the button so the view property would return you you the button. let button = sender.view as? UIButton ...

Coco2dx - Changing To Background Image

ios,iphone,xcode,xcode6,ios-simulator

Create and add a CCSprite: CCSprite *bg = [CCSprite spriteWithFile:@"bg.png"]; bg.tag = 1; bg.anchorPoint = CGPointMake(0, 0); [self addChild:bg]; ...

Under Xcode 6.3, NULL C++ reference address evaluates as non-zero

c++,xcode,pointers,memory-alignment,type-safety

You are not checking against a pointer, you are checking against a reference. References are not supposed to be nullptr since they must refer to an existing value. Indeed what you are doing *(AStruct*)0 is not well defined since a reference shouldn't be able to generate undefined behaviour through "dereferencing...

GCM support for ios application when application in background or killed

ios,iphone,xcode,android-gcm

I had same problem and I posted detailed question later. Luckily, I figured out the problem and it is working for me now. I was not sending data in proper format that got working after I sent data in proper format. My JSON format looks like this. { "notification":{ "badge":"12",...

Cannot subscript a value of type '[String]' with an index of type 'Int'

ios,xcode,swift,swift2,xcode7

As of Swift 2, you can't simply loop over a String to enumerate the characters anymore, now you have to call the characters method on the String itself: for letter in "hello".characters { print(letter) } So for you, given that objectAttributeValues[countOfRun] seems to return a String, that would be: for...

Run Code At Start of Class

ios,xcode,encapsulation

Yeah, simply add any code to the init method: @implementation PDFCreator - (instancetype)init { self = [super init]; if (self) { _someInstanceVariable = @"Hello"; _anotherInstanceVariable = 12; } return self; } This assumes your @interface PDFCreator looks something like this: @interface PDFCreator : NSObject @property NSString *someInstanceVariable; @property (assign) int...

Redundant conformance error message Swift 2

xcode,swift

You'll get that error message in Xcode 7 (Swift 2) if a subclass declares conformance to a protocol which is already inherited from a superclass. Example: class MyClass : CustomStringConvertible { var description: String { return "MyClass" } } class Subclass : MyClass, CustomStringConvertible { override var description: String {...

I only encrypt saved game data in plist using AES256. Do I have to check US Export?

ios,xcode,app-store

Yes you will have to check the using encryption box, you are using encryption.

Swift timer in milliseconds

xcode,swift

As Martin says in his comment, timers have a resolution of 50-100 ms (0.02 to 0.1 seconds). Trying to run a timer with an interval shorter than that will not give reliable results. Also, timers are not realtime. They depend on the run loop they are attached to, and if...

Is it possible to have XCode completion in new Swift file edition (not in a project)?

xcode,swift

Xcode's code completion and related tools work from knowledge of the compile-time and run-time environment of your code... that knowledge is supplied by the compiler. Xcode doesn't know what a compiler is doing with any given file unless Xcode is the one telling the compiler what to do with that...

Mask CALayer with Another CALayer

ios,xcode,swift,calayer,mask

The problem is with frame calculation of the mask. Make sure that when some of the layer is a mask then you should calculate the frame of the mask like if it is just a sublayer of the superlayer. In other words, the coordinate system of the mask equals to...

Put Swipe Gesture over UIWebView to Get Scroll Direction in IOS

ios,xcode,scroll,uiwebview,swipe

This is how I implemented swipe gesture in UIWebView. Add <UIGestureRecognizerDelegate> protocol to ViewController.h In ViewDidLoad Method add the following code: UISwipeGestureRecognizer * swipeGestureDown = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipeDown)]; swipeGestureDown.numberOfTouchesRequired = 1; swipeGestureDown.direction = UISwipeGestureRecognizerDirectionDown; swipeGestureDown.delegate = self; [self.webView addGestureRecognizer:swipeGestureDown]; Add Delegate method in ViewController.m :...

AFNetworking file upload

ios,iphone,xcode

Some devices not recording sound correctly, but it is workng on simulator not working on real devices, check your code first then try again

fatal error: limits.h: No such file or directory

xcode,osx,gcc

Make sure you've installed the xcode command-line tools: xcode-select --install (Accept the pop-up dialog.) That will install system headers into standard locations expected by tools like gcc, e.g. /usr/include....

Xcode + AWS Integration Apple Mach-O Linker Error

ios,xcode,amazon-web-services

Are you importing the AWS Mobile SDK for iOS using both the frameworks and CocoaPods? You cannot import the SDK twice, and that is why you are getting duplicate symbols errors. You need to pick one of them and remove the other one to remove the errors.

first tap not registering on collectionView Xcode

objective-c,xcode,ios7,uiviewcontroller,collectionview

if you looks closer to you code you found this line -(void) collectionView:(UICollectionView *)collectionView didDeselectItemAtIndexPath:(NSIndexPath *)indexPath { Some time ago I have the same mistake with this method didDeselectItemAtIndexPath of course we want didSelectItemAtIndexPath instead...

Read plist inside ~/Library/Preferences/

objective-c,xcode,osx

You need to use NSString method: stringByExpandingTildeInPath to expand the ~ into the full path. NSString *resPath = [@"~/Library/Preferences/" stringByExpandingTildeInPath]; NSLog(@"resPath: %@", resPath); Output: resPath: /Volumes/User/me/Library/Preferences ...

How to always show debug window in XCode6

xcode,xcode6

If Paul moves his comment to an answer I'll delete mine and upvote his. Here was a screenshot I was preparing when he got his comment in: You want the "show" issue navigator item checked to on....

UIView within a container view not showing

ios,xcode,swift

All you have to do is Set the label ":" in centre vertical and horizontally and align all the constraints according to it . align the blue view giving it top , height , width and centre X to the label ":" and all other views giving them top and...

xcode 6.3.2 external build

c++,xcode,makefile,make

Well I've figured out both of my issues. 1) In the external build tool configuration I had to uncheck 'Pass build settings in environment'. 2) I'm a bit of an idiot here...I'd tried adding -g to my $(FLAGS) variable, but realized that was only applying to my executable. I modified...

UIWebView path depends on previous pressed button Xcode

ios,objective-c,iphone,xcode,uiviewcontroller

in your ClassA.m - (IBAction)button1:(UIButton *)sender{ path=[[NSBundle mainBundle] pathForResource:@"filename" ofType:@"pdf"]; [self performSegueWithIdentifier:@"yourIdentifierName" sender:self]; } - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { if([segue.identifier isEqualToString:@"yourIdentifierName"]) { classB *clsB =segue.destinationViewController; clsB.typeofSelect=path; } } in your class B.h @property (nonatomic, weak) NSString *typeofSelect; in your Class B.m @synthesize typeofSelect;...

AutoLayout complains about constraints for 2 UITextFields with no borders

ios,xcode,swift,autolayout,nslayoutconstraint

"Add Missing Constraints" is not always a good idea to add constraints..rather you should always prefer to add constraints manually... Here is the image for your UI...I used wAnyhAny layout as it is good practice for add constraints for universal devices... I used simply width constraint for textfield, rather you...

Xcode - Colours look different but should be the same

ios,xcode,hex,uicolor

Because of the blurring effect on a translucent UINavigationBar, the color you set is not exactly how it will be displayed on screen. You can either set your navigation bar's translucent property to NO: self.navigationController.navigationBar.translucent = NO; ... or use this handy calculator to work out the correct input color...

How do I make is so the entered number is mulitplied by the slider number

xcode,swift

Thats because your slider.value returns a Float. You are trying to convert the result of it but you need to convert just the slider.value to Int to multiply it by numbers which is an Int. Try like this: Note: As mentioned by Josh you need also to unwrap toInt() optional...

Cannot find my file

ios,xcode,swift,nsfilemanager

The problem there is that you should be passing a path to the file but you passed the path to the directory. Try like this: NSFileManager.defaultManager().copyItemAtPath(pathToBundledDB!, toPath: path, error: &error) ...

Switch between views using a Tabbar

ios,xcode,swift,ios8

I've fix my problem. I've originally put the line of code bellow on the viewDidLoad() of my controller : tabBarController.selectedViewController = mySecondViewController After moving this line in a different methode, call by a simple button, that worked......

PFUser not unwrapped - swift

ios,xcode,swift

Here is explanation: What is an "unwrapped value" in Swift? PFFacebookUtils.logInWithPermissions(["public_profile", "user_about_me", "user_birthday"], block: { user, error in if user == nil { println("the user canceled fb login") //add uialert return } //new user else if user!.isNew { println("user singed up through FB") //get information from fb then save to...

change Auto Layout dynamically

ios,iphone,xcode,storyboard,autolayout

Just give top, left , right, height and equal width constraints to all label.... ...

iOS : pod update (unable to find the utility “xcode-select”)

ios,xcode,osx,xcode6,cocoapods

First of all check you have to install command line or not. You can check this by opening Xcode, navigating the menu to Xcode > Preferences > Downloads > Components, finding Command Line Tools and select install/update. if you haven't find command line tool then you need to write this...

How does an SDK/framework works when included into xCode projects?

objective-c,xcode,swift,sdk

Frameworks and libraries are written in such a way that owner does not want you to see how is it implemented or update the code. You can look in to this code http://www.raywenderlich.com/65964/create-a-framework-for-ios where in which how to create framework is mentioned. While creating the framework or library you would...

Full CoreData uploading (backup) to iCloud Drive and restore if need

ios,xcode,core-data,icloud,cloudkit

Nothing for you to do. Just enable iCloud and it will always be backed up and restorable automatically. See Enable iCloud with Core Data. It's really simple....

Customisable iOS Interface

ios,iphone,xcode,user-interface,customization

I would suggest that you look at targets http://www.itexico.com/blog/bid/99497/iOS-Mobile-Development-Using-Xcode-Targets-to-Reuse-the-Code You could generate your XML file for each "Target", but only include the correct one for each target. Then when the app is compiled it should include all the relevant information. If you are producing multiple apps, you also need to...

Can't figure out coder aDecoder: NSCoder

ios,xcode,swift

Your custom initializer cannot initialize the immutable property. If you want it to be immutable then, instead of creating a custom initializer, just initialize in one of the required or designated initializer. Like this, class AddBook: UIViewController { @IBOutlet weak var bookAuthor: UITextField! @IBOutlet weak var bookTitle: UITextField! let bookStore:...

How can I display the time offset (years, months, weeks, …) from two dates at my labels?

ios,xcode,swift

I have created a new extension to output the offset components as string for you: import UIKit extension NSDate { func yearsFrom(date:NSDate) -> Int{ return NSCalendar.currentCalendar().components(.CalendarUnitYear, fromDate: date, toDate: self, options: nil).year } func monthsFrom(date:NSDate) -> Int{ return NSCalendar.currentCalendar().components(.CalendarUnitMonth, fromDate: date, toDate: self, options: nil).month } func weeksFrom(date:NSDate) -> Int{...

iOS Text in label is hidden vertically

ios,xcode

Auto layout is messing with it. In Interface Builder, set the label's vertical content compression resistance priority to 1000.

UISearchController shows incorrect results

ios,xcode,swift,core-data,uisearchcontroller

I found a solve, I changed my UITableViewController class FirstTableViewController: UITableViewController, NSFetchedResultsControllerDelegate, UITableViewDataSource, UITableViewDelegate, UISearchControllerDelegate, UISearchResultsUpdating, UISearchBarDelegate { @IBAction func addNew(sender: UIBarButtonItem) { } let managedObjectContext: NSManagedObjectContext? = (UIApplication.sharedApplication().delegate as? AppDelegate)?.managedObjectContext var fetchedResultsController: NSFetchedResultsController? // MARK: - setting for search...

Xcode source control - git add

xcode,git,crashlytics,fabric-twitter

That's weird. Usually Xcode automatically adds all changed/new files to the commit automatically, and you can check any files you want in the left side of the window. Regardless, you should be able to cd into the root directory of the Xcode project using Terminal and run git commands, like...

Set CALayer Gradient Background

objective-c,xcode,osx,cocoa,cocoa-touch

CAGradientLayer *gradient = [CAGradientLayer layer]; gradient.colors = [NSArray arrayWithObjects:(id)[[NSColor whiteColor] CGColor], (id)[[NSColor greenColor] CGColor], nil]; gradient.frame = self.colorView.bounds; [self.colorView setLayer:gradient]; [self.colorView setWantsLayer:YES]; ...

ViewController Does Not have member named “allValues”

ios,xcode,swift,uiviewcontroller

There is no property allValues in self You probably meant CardType.allValues. Something like this: func from(cardNumber: String) -> CardType { for type in CardType.allValues { if type.isValidFor(cardNumber) { return type } } return CardType.None } ...

How do i handle navigation Back button view hierarchy?

ios,xcode,swift

Create an IBAction for the back button and use popViewController. [self.navigationController popViewControllerAnimated:YES]; This will help you to go back one page. You have to write this in all the pages where there is a back button and you want to go back one page. If you want to go back...

Xcode Swift : Could not find member

ios,xcode,swift

You are using class PFLoginview instead of property logInView you can change to logo as below self.logInViewController.logInView.logo = logInLogoTitle ...

Swift error: Could not find an overload for '<' that accepts the supplied arguments

ios,xcode,swift

Try this : if count(password) < 5 { ... } ...

How do I make randomized floats?

ios,xcode,swift

You can convert your Int to Double and use String(format:) method to format your string as desired: stoptimer.text = String(format: "%.2f", Double(arc4random_uniform(5)+1)) ...

Getting video from Asset Catalog using On Demand ressources

ios,xcode,xcode7,ios9,asset-catalog

I think its not possible to use Asset Catalog for video stuff, Its simplify management of images. Apple Documentation Use asset catalogs to simplify management of images that are used by your app as part of its user interface. An asset catalog can include: Image sets: Used for most types...

SKEmitterNode particles lag at start

ios,xcode,swift,particles,skemitternode

The solution was setting the advanceSimulationTime to exactly 1.0 sec. I'm not entirely sure why this is the case, but I suppose that the creation "animation" takes up this time. Anyway, case closed and thanks for the help to everyone, especially lchamp since he suggested the solution....

Error after update to Swift 1.2

ios,xcode,swift,ios8,xcode6.3.2

Change your this line : let originView:UIView! to var originView:UIView! And you are done....

Xcode 6 crashes on submitting Archive

xcode,xcode6

Close any projects or workspace windows you have open in Xcode but leave Organizer window open and re-submit worked for me.

control may reach end of non-void function xcode

c++,xcode,visual-studio-2012

When writing something like Type func() { ... } The compiler expect you to return an object of type Type in every paths of the function, which is not what you do here. Or your LOG function return an A object, which I doubt, and you should write return LOG(),...