Change database of Live App without Data Lose
First you need to detect that the database is the old one. One way of doing that is to have a metadata table with name/value text columns (value is a reserved word, so use a different column name) and keep the current schemaVersion in there. If this doesn't exist then...
UIAddressBook in UITableView with NSObjectClass
ios,objective-c,iphone,addressbook,abaddressbook
I have created ContactData NSObject Class. In following method, I am creating its object for each contact. At the end, you will get NSMutableArray named contactArr. -(void)loadContacts{ ABAddressBookRef addressBookRef = ABAddressBookCreateWithOptions(NULL, NULL); if (ABAddressBookGetAuthorizationStatus() == kABAuthorizationStatusNotDetermined) { ABAddressBookRequestAccessWithCompletion(addressBookRef, ^(bool granted, CFErrorRef error) { ABAddressBookRef addressBook = ABAddressBookCreateWithOptions(NULL, NULL); //NSLog(@"%@", addressBook);...
xcode navigationbar is not more visible after popover with button
ios,iphone,xcode,uinavigationbar,popover
I solved this problem (temporarily) with adding a new NavigationController to the ViewController3 with (Editor->EmbedIn->NavigationController) and add a back button to buttom of the layout. The problem to segue data from VC1->VC3, i solved with defining a global Variable in VC3 and add a action Button (in VC2) with assigning...
How can I display an UIAlertView as full screen in iOS?
ios,objective-c,iphone,uialertview
You cannot change/alter apples default UIAlertView. Instead use custom view and mimic and behavior of it, and you might want to add YourCustomAlertView to like: CustomAlert.h @interface CustomAlert : NSObject + (void)alertShow; + (void)alertHide; @end CustomAlert.m @implementation CustomAlert + (void)alertShow { UIWindow *window = [UIApplication sharedApplication].keyWindow; UIView *existingView = [window...
GCM support for ios application when application in background or killed
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",...
How to change element title inside UITableViewCell?
ios,objective-c,iphone,swift,uitableview
If your function is playPost(), you could change the value passed in (which is the sender of the function, by default) like this: func playPost(sender: UIButton) { sender.setTitle("New title", forState: UIControlState.Normal); } ...
Iphone App that can open other apps? How
I just read the app description you are referring, and I don't think intercept could be the right word to use. You will need to read more about Terms of Service from SnapShat and probably try to read if they provide any official api so you can use it. What...
View Controller too thin for IOS simulator
Your design view represents only one possible size, if looks good there it doesn't mean it will look good on all sizes. You say you have 2 options to make your content adapt to different sizes Use autolayout constraints Use autoresizingmask Both of them can be set on interface builder...
UIView.hidden doesn't work immediatly
ios,objective-c,iphone,uitableview,uiview
Be sure to call hiddenLoadingView from the main thread. Sounds like you might be calling it from the completion block of some asynchronous method.
Html5 input type number formatting
android,iphone,html5,windows-phone-8,input
When retrieving the value with jquery it is returned with a . decimal separator. Try this: <!DOCTYPE html> <html> <head> <script src="https://code.jquery.com/jquery-2.1.1.min.js"></script> <meta charset="utf-8"> <title>JS Bin</title> </head> <body> <input type="number" name="myNum" id="myNum"> <button id="submit">Submit</button> <hr/> <code></code> <script> $("#submit").on("click",function() { var numericValue = $("#myNum").val();...
Which Image will be used on iPhone 6 device
ios,objective-c,iphone,uiimageview
iPhone 6 uses @2x image assets and not R4 or something else because apple didn't provide suitable APIs for background images! https://developer.apple.com/library/prerelease/ios/documentation/UserExperience/Conceptual/MobileHIG/IconMatrix.html#//apple_ref/doc/uid/TP40006556-CH27-SW1...
UINavigationBar not showing, tried multiple fixes
ios,iphone,xcode,uinavigationcontroller
In the storyboard you have to set its property "Is initial view controller" in the navigation controller Attributes Inspector.
Swift: Fatal error: unexpectedly found nil while unwrapping an Optional value (SpriteKit)
childNodeWithName will return nil if a node with that name does not exist. Your code is not checking for this possibility (the as! assumes that it is both not nil and of the appropriate type) so this is causing the crash. The tutorial asks you to create this 'gameOverLabel' node...
Facebook logout iOS SDK
ios,objective-c,iphone,facebook
try this one : FBSDKLoginManager *login = [[FBSDKLoginManager alloc] init]; [login logOut]; ...
change Auto Layout dynamically
ios,iphone,xcode,storyboard,autolayout
Just give top, left , right, height and equal width constraints to all label.... ...
Check UITextfield have only Alphabet not numeric value
- (BOOL) textFieldShouldEndEditing:(UITextField *)textField { if (textField == self.txt_Name) { if(txt_Name.text.length>0) { NSCharacterSet *s = [NSCharacterSet characterSetWithCharactersInString:@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"]; s = [s invertedSet]; NSString *str1 = txt_Name.text; NSRange r = [str1 rangeOfCharacterFromSet:s]; if (r.location != NSNotFound) { NSLog(@"the string contains illegal characters"); txt_nameOFInfo.hidden =false; [img_name setImage:[UIImage imageNamed:@"redot.png"]]; } else {...
UIScrollview w/ one large view, or UITableview w/ multable views?
ios,objective-c,iphone,uitableview,uiscrollview
You can do this really easily with a static UITableView. Take a look at my blog. It explains in detail how to do this. You don't even need a datasource or anything. http://www.oliverfoggin.com/using-a-static-uitableview-as-a-layout-device/...
iPhone - get amplitude of audio at current point
ios,objective-c,iphone,avaudioplayer
I'm not sure if I'm interpreting your code correctly, but it looks like you might be instantiating your player every frame with would explain the slowness. You need to set your player up ahead of time. Then on your timer, call updateMeters right before you get averagePowerForChannel. I'm not familiar...
How do I count a number of images in a folder reference in swift
ios,iphone,swift,nsfilemanager
if you created folder reference when adding the folder to your project use it like this (emojis folder icon is a blue folder): let resourcePath = NSBundle.mainBundle().resourcePath!.stringByAppendingPathComponent("emojis") var resourcesContent : [NSURL] { return NSFileManager().contentsOfDirectoryAtPath(resourcePath , error: nil)! as! [NSURL] } let emojiCount = resourcesContent.count println(emojiCount) if you created groups when...
I am doing demo for video streaming as same as source code from git hub but I am getting errors?
It seems the included library are not compiled for i386 (or simulators) so you must run code on real device. See author comment here and here
getting error GestureRecognizer with UIImageview in swift
ios,iphone,swift,uiimageview,uigesturerecognizer
Your selector has arguments so needs a colon after its name. So: let gestureRecognizer = UITapGestureRecognizer(target: self, action: "fieldsTappedAction:") ...
Why use CGImageRef not CGImage instead?
ios,objective-c,iphone,cgimageref
Actually, you should ask Core Foundation authors about it =) CGImage is a C-struct. It means, that it is being copied each time passed as a parameter or return value. Or, even, being assigned to some variable. I imagine that something like CGImage is reeeeealy large thing. So, simply passing...
Update Text Field While Automating iPhone App
Call this method before passing the value to the Locator. method_name(){ Actions actionObj = new Actions(driver); actionObj.keyDown(Keys.CONTROL) .sendKeys(Keys.chord("A")) .keyUp(Keys.CONTROL).keyUp(keys.DELETE) .perform(); } findElement By xpath add a condition like getText()!="" and then It will be done. Is it working??...
How to make the customized UITableViewCell xib width to fit the device width
Did you enable the Use Auto layout and Use Size Classes as below do that first in both table view and table view cell .and tell me your problem 1)After that select both image and label and do as below 2) Select the image and do below 3) select the...
WKInterfaceTable detect which row selected
ios,iphone,watchkit,wkinterfacetable
Make sure that... Your WKInterfaceTable is connected via IBOutlet to your Storyboard element. Your rowType identifier for the row controller is set in Storyboard: Your Class identifier for the row controller is set in Storyboard: You have overridden the correct WKInterfaceController method: override func table(table: WKInterfaceTable, didSelectRowAtIndex rowIndex: Int) {...
coordinate deprecated as of iOS 7
Replace the following in your code var latestLocation: AnyObject = locations[locations.count - 1] with the following. var latestLocation = locations.last as! CLLocation ...
sproutvideo play button doesn't work on apple devices
javascript,jquery,ios,iphone,ipad
Mobile Safari doesn't allow for the play() method on a <video> to be called unless it's triggered by a MouseEvent. Since the SproutVideo player API uses Window.postMessage() to communicate with the player iframe, the MouseEvent is lost and Safari will not allow the play() function to be called. This is...
boolean field UIAlertController swift
ios,iphone,swift,uialertcontroller
There's no built-in support to add any type of checkbox or toggle to the AlertController. There is a somewhat related question showing a hack for adding a (picker) control to an UIAlertController. You could add a button showing a checkmark/checkbox image, which the user could toggle, but it would be...
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...
How can I show ONLY the date (and not the time) using NSDateFormatter?
var dateFormatter = NSDateFormatter() dateFormatter.dateFormat = "yyyy-MM-dd" dateFormatter.locale = NSLocale(localeIdentifier: @"en_US") let d = NSDate() let s = dateFormatter.stringFromDate(d) ...
Managing user login segues in swift iOS
I suggest you to Initiate view Controller when user successfully logged it with below code: let storyboard = UIStoryboard(name: "Main", bundle: nil) let vc = storyboard.instantiateViewControllerWithIdentifier("nextViewController") as! UIViewController self.presentViewController(vc, animated: true, completion: nil) This way you can easily control your navigation and if user not entered correct information then you...
How to transfer files from iPhone to EC2 instance or EBS?
ios,iphone,amazon-ec2,amazon-s3,amazon-ebs
Allowing an app to write directly to an instance file system is a non starter, short of treating it as a network drive which would be pretty convoluted, not to mention the security issues youll almost certainly have. This really is what s3 is there for. You say you are...
creating a wrong NSDate
ios,objective-c,iphone,cocoa,nsdate
The problem is with the way NSLog() and the NSDate description method display the date which is in GMT (UTC). Notice the time offset: "+0000" which is probably not your timezone. All dates are stored internally in GMT. To obtain a string in the current or another time zone use...
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;...
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...
Ambiguous use of “value” while implementing UIStepper
You can do like as follows : @IBOutlet var lblStep: UILabel! @IBAction func stepPressed(sender: UIStepper) { lblStep.text = sender.value.description } else you have to convert AnyObject to UIStepper like as var stepControl : UIStepper = sender as! UIStepper as like : @IBAction func StepperTap(sender: AnyObject) { var stepControl : UIStepper...
How can I get my iPhone to listen for sound frequencies above a certain threshold?
The fact that I wrote that code helps me answering this question but the answer probably only applies to this code. You can easily limit the frequencies you listen to just by trimming that output array to a piece that contains only the range you need. In details: To be...
Using UIPicker to create desired number of rows in UITableViewController
ios,iphone,uitableview,uipickerview
As Nitin Gohel said: In your TableView.h @interface TableViewController : UITableViewController @property (nonatomic) NSInteger numberOfRows; @end And in your TableView.m - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return self.numberOfRows; } Don't forget to assign the value of number of rows when your start button is tapped....
Dealing with graphical assets for iPhone 5/5S/6/6 Plus
ios,iphone,xcode6,iphone-6,iphone-6-plus
You should keep your image view point sizes the same but you should add a new pixel resolution for all of your images (3x) which will be used for the 6+. Although the 6+ is slightly less than exactly 3x resolution, the OS does some scaling so that you can...
Website not displaying properly in iPhone 6 and iPhone 6+
You need to use a viewport meta. Define this in your head. <meta name=viewport content="width=device-width, initial-scale=1"> This would fit the content to whatever the device-width is....
Auto Rotation iOS 8 Navigation Controller
objective-c,iphone,ios8,uinavigationcontroller,autorotate
Just subclass UINavigationController and override appropriate methods: .h File: @interface CustomUINavigationController : UINavigationController @property BOOL canRotate; @end .m File: @implementation CustomUINavigationController - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } - (void)viewDidLoad { [super viewDidLoad]; // Do any...
how to add Hours to date in swift in this format “2015-06-11T00:00:00.000Z” as in one string while parsing in SWIFT
You can do it using NSCalendar method dateBySettingHour as follow: let df = NSDateFormatter() df.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z" if let dateFromString = df.dateFromString("2015-06-11T00:00:00.000Z") { let hour = 4 if let dateFromStringWithTime = NSCalendar.currentCalendar().dateBySettingHour(4, minute: 0, second: 0, ofDate: dateFromString, options: nil) { let df = NSDateFormatter() df.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z" let resultString...
How to change an app's name displayed in app store before submitting for review?
ios,iphone,itunesconnect,rename
To change app name which is visible on App Store you need to change Name on iTunes Connect on your app page below the Screenshot and above app Description there is field Name which you need to cahnge, to change the name of app on home screen visible to user...
How do I avoid hover event to fire in iPhone and iPad?
javascript,ios,iphone,javascript-events,jquery-hover
To emulate the hover you simply add an event listener to the element you want to have a hover event, you can use touchstart and touchend events instead of using hover if((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)) || (navigator.userAgent.match(/iPad/i))) { $(".menu li a").bind('touchstart', function(){ console.log("touch started"); }); $(".menu li a").bind('touchend', function(){ console.log("touch ended");...
Is it possible to obtain an unique iCloud user ID on cocoa?
Yes, this is possible using CloudKit. You'll need a CKContainer, and you'll ask it to fetch the user record ID. That record ID is unique for your apps, but is also stable for that user this means the same iCloud account will have the same record ID, regardless of which...
DES encrypted value mismatching android and ios
ios,objective-c,iphone,encryption
It's obviously only a problem with the mode of operation, because the first block matches. In Java you're using ECB mode, because "DES" defaults to "DES/ECB/PKCS5Padding". I think that CCCryptor defaults to CBC. Don't ever use ECB mode. It's not semantically secure. You need to use at least CBC mode...
Delete child SKSpriteNode
objective-c,iphone,sprite-kit,skspritenode
Here are some observations: You your code inside of a loop which only runs once. Why are you doing that? If you are creating an object, in your case a SKSpriteNode, and want to delete it later on, you will need to keep some kind of reference to it. There...
Setting Autolayout Constraints on UIButton in Swift
try this code self.view.addConstraint(NSLayoutConstraint(item: infoButton, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: self.view, attribute: NSLayoutAttribute.Leading, multiplier: 1.0, constant: 0.0)) self.view.addConstraint(NSLayoutConstraint(item: infoButton, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Trailing, multiplier: 1.0, constant: 0.0)) self.view.addConstraint(NSLayoutConstraint(item: infoButton, attribute:...
change storyboard tab bar icon using swift
create a subclass of UITabBarController set this custom class of your TabBarController now you override UITabBarController ViewDidLoad Method there you can access all the TabItems and change their text/images before a ViewController get loaded. class CustomTabBarController: UITabBarController { override func viewDidLoad() { super.viewDidLoad() let allItems:[AnyObject] = self.tabBar.items! var item1:UITabBarItem...
Container views with segmented control in swift
ios,iphone,swift,uisegmentedcontrol,uicontainerview
I found a solution to have all three views loaded into memory and be able to change which function I am calling using @Julian's response: Objective-c: How to invoke method in container view controller //Determine which view is showing and point to the correct child class func sendTransactionButton(sender: UIBarButtonItem) {...
NSMutableArrays store only 2 objects
ios,iphone,swift,nsmutablearray,nsuserdefaults
Of course you can have not more than two objects because your spArr is declared locally and it means that you create a new spArr object each time you call appendArrays. You need to create it var spArr: NSMutableArray = NSMutableArray() outside the function and instead of doing: spArr =...
Restrict app for iPhone devices lower than iPhone 5 with iOS 8 or 7 in AppStore
No there is not. if your app supports iOS8 it must run on all devices which support that OS. iPhone 4S included.
How can i use MapKit View in Xcode 6.3?
Make sure you have added MapKit Framework in your project and try to follow some basic tutorial IOS8 Mapkit tutorial...
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 -...
No valid iPhone code signing keys found in keychain in xamarin
As pointed out by @valdentro, the development profile was not there on my machine. screenshot here After revoking and requesting a new certificate, it was working....
trying to do a rate us UIAlertController
ios,iphone,swift,uialertcontroller
In viewDidLoad your view has not been displayed yet. Move the call to rate it me from viewDidLoad to viewDidAppear. EDIT Since it's a rate me. I think better it's put in appDelegate in applicationDidFinishLaunchWithOptions. ...
Get image name UIImagePickerController in Swift
ios,iphone,xcode,swift,uiimageview
Another good option is you can save your Image into Document Directory of your app and you can retrieve that image from anywhere like shown in below code: func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [NSObject : AnyObject]) { self.dismissViewControllerAnimated(true, completion: nil) let tempImage = info[UIImagePickerControllerOriginalImage] as! UIImage // save your image...
UITableView with UITableViewCell containing UIImageView
ios,iphone,swift,uitableview,uiimageview
Panning and scrolling are the "same" gesture. The problem is that the imageView's pan gesture recognizer is recognizing the gesture, and handling it (instead of failing it or passing the touch through to cell/tableView). If you expect to be able to pan your image in any direction, what you can...
Orientation of screen?
You have to allow all orientations in the project settings, then only orientations allowed are Portrait or Upside down portrait in your viewController except the GameViewController: // BaseViewController override func supportedInterfaceOrientations() -> UIInterfaceOrientationMask { if UIDevice.currentDevice().userInterfaceIdiom == .Phone { return UIInterfaceOrientationMask.Portrait.rawValue | UIInterfaceOrientationMask.PortraitUpsideDown.rawValue } else { return .All } }...
UILabel text isn't updated when modal re-appears
As kursus wrote in a comment: you do not remove the button and the label as subviews from their parentView (the actual modal view). If it will be presented again two new instances will be created and positioned over the previous ones. I guess you only see the label because...
CBCentralManager not calling didDiscoverPeripheral method when iPhone is locked
ios,iphone,cbcentralmanager,ios-bluetooth,cbperipheralmanager
Save the discovered CBPeripheral instance. var activePeripheral: CBPeripheral! Or adding it into an array. If you are discovering more than one peripherals. var knownPeripherals = [CBPeripheral]() This way you can reconnect to whichever CBPeripheral you need (if it is available, obviously). This delegate method is invoked when a peripheral is...
Height did not update when switch from portrait to Landscape?
ios,objective-c,iphone,landscape-portrait
Override didRotateFromInterfaceOrientation method on your ViewController and change the frame of the scrollView. - (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation { [super didRotateFromInterfaceOrientation:fromInterfaceOrientation]; self.menuScrollView.frame=CGRectMake(0,yPosition,width,self.view.frame.size.height); } ...
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]; ...
Using a Nib file for a UIView — Issue with layout
What I can see from your screenshots, you put constraints on view (white view as background). Now You need constraints on buttons and label to. Important is that buttons doesn't have fix width constraint,... but tailing and leading constraint. Actually you can create similar constraints for buttons like you create...
how i can solve Image auto resize in iphone 4 5 6 6+
ios,objective-c,iphone,objective
understand the autoresize concept , the following image is the description that how to we use the autoresizing on Left, right , top and bottom. So, I used to think according to this snapshot: Scenario 1: (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight) // it automatically set the width, height, left and bottom: Scenario...
How can I add tag value in sender while creating an UICollectionViewCell?
You just have it when adding the gesture recognizer to the cell. When the gesture happens, the parameter passed will be the cell. So when declaring the tapGesture method you just access the sender's tag property. func tapGesture(sender: UITapGestureRecognizer) { var tag = sender.view!.tag //do what you want } ...
AFNetworking file upload
Some devices not recording sound correctly, but it is workng on simulator not working on real devices, check your code first then try again
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];...
How to increase video quality/Resolution in OpenTok RTC(Real Time Communication)
ios,objective-c,iphone,opentok,tokbox
On the iOS publisher side, the OpenTokRTC avoids that complexity as it is a demo app - but you can see: Where OpenTokRTC creates OTPublisher: In a different sample app, an example custom OTPublisher that uses a custom VideoCapture. Where the custom VideoCapture sets the resolution. Combining these, you should...
Fatal error when unwrapping CLLocation Location Coordinate
ios,iphone,swift,ios8,optional
It looks like you aren't giving the CLLocationManager enough time to update the location. I looked at the documentation, and in the statement locationManager.location.coordinate.latitude, location is the only one that's an optional. It's implicitly unwrapped, so that's why you don't need an ! after it. In the printCurrentCoordinates method, you...
How to crop video from top?
Usage: Create a property (or any other variable to hold the VideoTranscoder) self.videoTranscoder = [SCVideoTranscoder new]; self.videoTranscoder.asset = PUT_UR_AVASSET_HERE; self.videoTranscoder.outputURL = PUT_A_FILE_URL_HERE; __weak typeof(self) weakSelf = self; self.videoTranscoder.completionBlock = ^(BOOL success){ //PUT YOUR CODE HERE WHEN THE TRANSCODING IS DONE... }; [self.videoTranscoder start]; You can cancel the transcoding process, if...
Pass data from one view controller to the next WITHOUT a segue in swift
iphone,swift,uiviewcontroller,ios8,segue
So instead I was thinking to have a value associated with each button in the first view, have it sent to the second view via a segue, and then sent again to the third view and tell it to use the proper segue to the proper third view Controller...
Bullet points are not recognized in HTML String
Please try below code - - (NSString *)HTMLString { NSDictionary * const exportParams = @{NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType}; letterString = [letterString stringByReplacingOccurrencesOfString:@"\u2022" withString:@"•"]; NSAttributedString *attributed = [[NSAttributedString alloc] initWithString:letterString]; NSData *htmlData = [attributed dataFromRange:NSMakeRange(0, attributed.length) documentAttributes:exportParams error:nil]; return [[NSString alloc] initWithData:htmlData encoding:NSUTF8StringEncoding]; } ...
How to prevent duplicate entry on parse?
ios,objective-c,iphone,swift,parse.com
I suggest to implement a simple beforeSave trigger, on Parse Cloud code, in order to check if the new entry song already exist (basically you're going to make one or more field uniques. For example: Parse.Cloud.beforeSave("Musics", function(request, response) { var newEntrySong = request.object; var querySongs = new Parse.Query("Musics"); querySongs.equalTo("title", newEntrySong.get("title"));...
Push Notification Testing Workflow [iOS]
ios,iphone,xcode,parse.com,push-notification
Use advanced targeting. Just enumerate device tokens you need to send push notifications to in where clause. Check out this sample in parse.com forum.
Deleting event from iCal not working when iCal is not in background
You have to initialize the event store object before using. + (BOOL)removeEventWithEventIdentifier:(NSString *)identifier { EKEventStore* eventStore = [[EKEventStore alloc] init]; EKEvent *event2 = [eventStore eventWithIdentifier:identifier]; BOOL result = NO; if (event2 != nil) { NSError *error = nil; result = [eventStore removeEvent:event2 span:EKSpanThisEvent error:&error]; } return result; } ...
iOS gradient effect over UILabel
ios,objective-c,iphone,uilabel
You code is correct but you miss setting the frame that will be occupied by the CAGradientLayer.. And take note that you need to use color with alpha value, to avoid occurrence of black color.. ex: [UIColor colorWithRed:0 green:0.5 blue:1 alpha:0] or [[UIColor YourColor] colorWithAlphaComponent:0] instead of [UIColor clearColor] And...
Can't move object in Sprite Kit
I can't see where in your code you have created physics bodies for paddle and a ball. So, you are actually trying to use physics bodies before they exist. Here is an working example to give you a basic idea about how to create physics bodies and how to move...
Magical Record, cannot save an object: contextDidSave == NO, error = nil
ios,objective-c,iphone,core-data,magicalrecord
Your objects have no changes occurring in the save block. There are two problems I see here. You are creating your new objects in the MR_defaultContext when you need to be creating them in the localContext that is the saving context for your save block. Try this: - (void)updateStorageWithQuizzess:(NSArray *)quizzess...
Pass data in modal segue in storyboard?
ios,objective-c,iphone,storyboard,modalviewcontroller
There is no way to get a reference to the segue that created you. You could create a property (sourceVC in my example) in the destination controller, and assign self to this property in the prepareForSegue method (in the source view controller): [(ChildViewController *)segue.destinationViewController sourceVC] = self; Anyway, I think...
Xcode 6 with iOS 9?
Yes, you need to install Xcode 7 in order to develop for iOS 9. You are able to keep Xcode 6 running alongside Xcode 7.
How do I add rows to UIPickerView from UIAlertController
iphone,uipickerview,uialertcontroller
Ok so I will try to explain this: You declare a NSMutbleArray, you can't expect to use a NSArray because is not mutable, and you need to modify the content. NSMutableArray *array; UIAlertController * view; @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; NSArray* friends = [NSArray arrayWithObjects: @"jim", @"joe", @"anne",...
AVPlayer seekToTime playing from beginning
Haha! I just found out the answer today, I must have been really tired. Basically i was missing the return instruction in the if statement inside the play function if(self.currentAudioIndex == index) { self.resumePlayback() return //This was missing } So what happened was that the audio was being loaded again...
iOS Swift: Sound not playing on iPhone Simulator
ios,iphone,swift,audio,ios-simulator
You just need to move the declaration of your audioPlayer out of your method. Try like this: var audioPlayer:AVAudioPlayer! func playSound() { if let soundURL = NSBundle.mainBundle().URLForResource("doorbell", withExtension: "mp3") { audioPlayer = AVAudioPlayer(contentsOfURL: soundURL, error: nil) audioPlayer.prepareToPlay() audioPlayer.play() } } ...
create a popup window with just a textview/string and a button SWIFT ios 8
iphone,swift,ios8,popup,xcode6
It sounds like you want a UIAlertController, check this out: @IBAction func popUpButton(sender: UIButton) { //This is where you declare and initialize your `UIAlertController` let alertController = UIAlertController(title: "Alert", message: "Test Alert", preferredStyle: .Alert) //You give the `UIAlertController` an action, which basically has a cancel button, that just cancels out...
Locking orientation issue in iphone
ios,objective-c,iphone,ipad,uiinterfaceorientation
Well. I got a fix for that myself. Posting the solution on what to do as it might help others too. Just uncheck the Device Orientation checks (LandscapeLeft and LandscapeRight) in Target->General And write the same piece of code in every controller -(BOOL)shouldAutorotate{ if(UI_USER_INTERFACE_IDIOM()==UIUserInterfaceIdiomPad) { return YES; } else {...
make autoplay work on IPAD and IPHONE
I guess auto-play feature is not supported in iOS. Check this Apple documentation: User Control of Downloads Over Cellular Networks In Safari on iOS (for all devices, including iPad), where the user may be on a cellular network and be charged per data unit, preload and autoplay are disabled. Here...
How to know a file is writing via NSFileManager
ios,objective-c,iphone,nsfilemanager
NSFileCoordinator and NSFilePresenter are created just for that. You may find interesting Advanced iCloud Document Storage video from wwdc that covers the usage of this classes. Building a Document-based App will be great to watch too.
How to justify label text?
Try the below code: You have not assigned any value to firstLineHeadIndent property, that's why it is not working. NSMutableParagraphStyle *paragraphStyles = [[NSMutableParagraphStyle alloc] init]; paragraphStyles.alignment = NSTextAlignmentJustified; //justified text paragraphStyles.firstLineHeadIndent = 1.0; //must have a value to make it work NSDictionary *attributes = @{NSParagraphStyleAttributeName: paragraphStyles}; NSAttributedString *attributedString = [[NSAttributedString...
How to Screenshare of my iPad on Mac
iphone,ipad,airplay,screensharing
For screen sharing Reflector is the best solution. It's wireless mirroring means you can share your iPad screen on mac and then you can share mac to client.
UIButton with single press and long press events swift
If you want to perform any action with single tap you and long press the you can add gestures into button this way: @IBOutlet weak var btn: UIButton! override func viewDidLoad() { let tapGesture = UITapGestureRecognizer(target: self, action: "Tap") //Tap function will call when user tap on button let longGesture...