Most voted "ios" questions
iOS is the mobile operating system of Apple Inc. originally developed for iPhone, iPod Touch, iPad, Apple Watch and Apple TV (from 2nd). Much of it is shared with OS X, but is optimized for touch-based interfaces. Use this tag when the question is specific to iOS and no other operating system.
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answers143
viewsError starting a Flutter app on Physical Iphone
I’m trying to run an app written in Flutter on physical iPhone, when I run the command flutter run deploy is started, but it carries infinitely. When I run via x-code the error below is presented…
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answers56
viewsError passing data to tableViewController
Oops! Guys, I have a problem, I’m making an app that consumes a themoviedb api and saves the movies in the Realm. On the main screen I’m using the Collectionviewcontroller, and when touching the…
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answers24
viewsReact Native Compiling for IOS and APK
Hello Folks I’m starting to I’m starting to study React Native for a project and a question has arisen. I know you have the Expo option and I know that without Expo there is no way to compile for…
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answer42
viewsHow to show a View depending on a condition in Swiftui
In my project with swiftui I would like to present a view depending on the login status of my users. var body: some View { HStack() { HomeView() LoginView() } } HomeView should appear if the user is…
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answer21
viewsActivity indicator in Swiftui
How do I display an activity indicator using Swiftui? I have a vague idea how to do this by introducing the UIActivityIndicatorView of UIKit using the function .overlay(overlay: ) but I wonder if…
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answer78
viewsHow do Ionic app running task in the background?
Hello, I am developing an Ionic application (Android and IOS) and this application needs to perform a task in the background every 1 minute even if the application has been closed or the mobile…
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answers49
viewsHTML5 Audioelement does not play audio on IOS 13 devices
I’m a web developer for a radio station. Since the launch of IOS 13, we have received several complaints from users that our live audio broadcasts can no longer be played on IOS (iPhone) devices. On…
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answers500
viewsAPNS Certificate Generated After Publication
I wonder if in case I generate my apns Certificate after publishing the app, I have to publish a new version. The app in case already has the necessary code to receive push notification.…
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answer150
viewsRmdateselectionviewcontroller with Uitextfield
I want to put the component RMDateSelectionViewController in my project. I want it to appear when the user touches UITextField. But I’m not getting it, I followed the example code and it didn’t…
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answers173
viewsFormatting String in a Textview from data from an Array in Parse
I’m making an application to register students from a school using Tabbar, and one of the Tabs is the Query Tab. In this tab, I have a search field, where the user must enter the student’s name and…
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answer45
viewsChange the click trigger of a Uisegmentedcontrol inside a Uiscrollview
I need to change the drive of a UISegmentedControl, because I have a form, with several UISegmentedControl, contained in a UIScrollView and when I roll playing on top of a UISegmentedControl it…
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answers526
viewsProblem with Nsdate
I have an Imobject class, in it I have an Nsdate *Startdate field. I fill this field with a database return: (IMMutableArrayIMTable*)[databaseTemp retrieve: @"select * from table" withParams:nil…
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answer46
viewshow to access via callout Bubble on a descriptive map on a tableView
I am a student and I am developing an IOS app where the user is provided with a map with some marked places (pin) where the name of the place appears in the callout.(through a JSON file) Through a…
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answer468
viewsUsing an object in different methods in Objective C
I’m trying to work with objects in iOS Objective C, and I had a question about using. I created a file called carro.h #import <Foundation/Foundation.h> @interface carro : NSObject { NSString…
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answer140
viewsSQLITE INSERT problem when app starts
I’m performing a Insert in my Sqlite, however, I’m getting! The Nslog returns : 2014-06-01 23:15:35.664 goTask[25379:60b] open Bank: Bank opened successfully 2014-06-01 23:15:35.666…
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answers248
viewsGenexus + IOS requirements/complexity to work
Does anyone know any documentation to generate IOS apps using genexus, What requirements and settings should I make? It’s too complex to configure everything to make it run cool?
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answers227
viewsSplash screen while receiving web service data
Hello! I have a following problem: I need a splash screen that stays on the screen while the app receives the data from the web service to popular a BD sqlite on iPhone. I tried to use the Xcode…
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answer320
viewsSaving image data from json/web-service to sqlite on iphone
Hi! I wonder if Voce can help me, I’m trying to save an image in a sqlite bank, on iphone. But I’m not getting it. Briefly explaining how it works... The app connects to the server and receives the…
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answer258
viewsChange the minimum age of an app already published in the Apple Store
Hello! I’m having a problem, recently I published an app in the Apple Store, but I ended up missing when passing some information on the app. So my app was rated 17+... but the app can be downloaded…
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answers194
viewsCall another screen after a few seconds without user interaction
I need to put in my app the following behavior: After a few seconds without the user touching the screen, for example 10 seconds, the app presents another screen showing an image. And when the user…
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answers121
viewsWaiting for remote audio extraction in Java
In my college project I have a small API in Java that extracts audio from video files, where is passed the URL of the video and is returned an MP3 file, so far so good. I would like to keep a server…
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answer130
viewsKeep banner layout on the screen between an iPhone 4 and an iPhone 5
I’m having a problem developing the app layout. On the storyboard, I added a UIImageView to display some images while the app is running. This image is at the bottom of the screen, like a footer.…
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answers171
viewsMake arc4random() not repeat last number
I created a app to generate random numbers. Only I wanted him not to repeat the last number he showed. Example: the result was 9 (run the method that generates the random number again) the result…
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answer82
viewsJSON API cache in Xcode
I want to cache my Wordpress JSON API in my app. I want a cache of tableview cells and UIWebView for when in airplane mode or off or with bad signal, the user can still see. I tried to cache with…
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answer82
viewsDesigner Pattern for Objective-C
Guys, someone knows a good book, booklet, or blog that explains well about Designer Pattern, specialized in Objective-C/iOS, with good examples and updated?
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answer63
viewsPing with Objective-C
Does anyone have a ping test class in Objective-C? I tried several and could not with any. I just need to take the IP and do the test, if "drip" perform the action, against, just send an…
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answer63
viewsRestkit performance with Afnetworking
I built a restserver using the Slim Framework (PHP), connecting in a Mysql BD. Is on a dedicated server and moderate performance, IE the response is very fast. But I made a test app on IOS where I…
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answer967
viewsRead barcode ITF Brazilian boleto (size 44) with the Barcodescanner plugin from phonegap for IOS
Someone managed to solve the ITF barcode reading problem (size 44) of the Phonegap plugin "Barcodescanner"? The plugin implemented for Android works perfectly for both large and small barcodes of…
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answers51
viewsOptimize Nspredicate with Magicalrecord
First of all follow my model: Classes: @interface MMEAlbum : NSManagedObject ... outras propriedades @property (nonatomic, retain) NSNumber *album_upcoming; @property (nonatomic, retain) NSSet…
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answer81
viewsindexPath does not match the content in tableView
I’m carrying a tableView from a array laden with arrays, this whole charging process is working perfectly, however, when I update the tableView (reloadData) with the same information and I have the…
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answer66
viewsUsing Uiinterfaceorientation to change screen
I need to know how to change the iPhone screen when it’s rotated (From Portrait to Landscape). For example, when he is in Portrait mode he presents Screen A, when he is in Left Landscape he presents…
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answers115
viewsFile upload incompatibility by ipad
I’m having a problem with uploading files to the iPad. Via web interface, I can upload normal image, but when I do by ipad, it does not change the name of the file and only lets upload images, pdf’s…
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answers832
viewsExample of Picker View in Swift
Dear friends, how to popular an Uipickerview object with the simple array? example: var titulos = ["texto1", "texto2", "texto3", "texto4"] how to set this array to a Uipickerview?…
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answer39
viewsSave new cell position after reordered and affect model (datasource)
I need to implement a tableview, where I can reorder the position of the cells and save them in the new order. And this new order should affect the order they are saved also the model (in this case…
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answer71
viewsOpen HTML with link using Nsattributedstring
I get from the server an HTML similar to this: "<br>Dummy text<br>Click <a href="www.google.com">Here</a>" On Click Here it should be possible to click and open in Safari. I…
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answers416
viewsWebview on Ios goes blank
Hello I’m starting to program for Ios, and I’m not being able to run a webview, always goes blank, see the code : -(void)viewDidLoad { [super viewDidLoad]; NSString *fullURL =…
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answer67
viewsHow can the current Uiviewcontroller know which "Called" button?
I have a doubt and the scenario of the question is as follows: I am on the main screen of my app and have 2 buttons (UIButton), each takes to another screen. After the user has chosen a button and…
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answer50
viewsHow do I show a Uialertview when a link is triggered in Uitextfield?
Scenario of the problem: There is a link in a UITextView, when this link is triggered it should open a web page. This part is already working. But I need to show a UIAlertView asking if you really…
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answer89
viewsLoad Uiviewcontroller
I have a Uiviewcontroller with the black Background where would be my main Uiviewcontroller (where is the menu and etc) and I do this: CredenciaisViewController *obj = [self.storyboard…
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answer281
viewsHow to cache an image from the application and display it later?
I was assigned to before starting the app to display promotional images. Images are obtained through JSON, which also has a display time setting. I am using the following code to store the image…
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answer407
viewsHow to add characters to a native iOS keyboard type?
Scenario: On an app screen, the user must inform a data type that is only numbers to perform a search. To avoid using text, I set up a keyboard for the type: Number Pad. But I need other characters…
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answers408
viewsXcode does not create storyboard
Someone knows why my Xcode when creating a single view Aplication, it does not create the storyboard, I’m starting now and in class the screen iphone app is made there, but in my appears only a main…
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answer44
viewsMapkit - Is there any way to locate friends within this tool?
I already use mapkit for development on iOS, but I wonder if anyone knows how in the code to add friends, show on the map other people nearby. PS. or even an example code for this function, thank…
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answers93
viewsAdapting iOS 7 Code to iOS 8
Currently I am with the iOS 7 library and I intend to update my library to iOS 8. I would like to know what will be the impact of this update on the projects I already own. I’ll be able to support…
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answer51
viewsTransform Uiimage into Byte Array
I need to transform an image into an array of bytes, as I do to transform this image into an Array Bytes?
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answer113
viewsHow do you request Core Data to get only one attribute?
I just need to get an attribute from a single row of the table: name | id | idade | aprov|repro| sala | _______|______|________|______|_____|______| John | 32 | 15 | A | | 155 | Following the table…
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answer35
viewsNsstring to Nsdictionary conversion always null
I am converting Nsstring to Nsdictionary but when I step inside a variable always returns null. what I am doing: NSDictionary *json = [NSJSONSerialization JSONObjectWithData: [body…
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answers64
viewsMenu Slider programmatically
I’m creating a menu programmatically, I instate the menu in my home and when I click the button that will pull the menu, the menu appears but I can’t interact, I can’t click the cells, who is with…
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answers244
viewsHow to make a Uitableviewcell work like Facebook Messenger for iOS?
How to create a UITableView, where cells keep the text bold until touched, and save this change? For example, when we receive a message on Facebook the text on UITableViewCell is in bold, after…
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answer88
viewsHow to define my Primary Key?
I am developing an application in Swift and started using the Core Data recently. I need to define which attribute of my entity will be mine Primary key. For example: I have an entity that has class…