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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answer224
viewsPublished iOS, Rejected: Guideline 2.3.3 - Performance - Accurate Metadata
Guys, I’m with this rejection of iTunes Apple 3 Performance: Accurate Metadata 3 Design: Spam and Spam but from what I understand are the prints I added, the app is just a link to the site, there is…
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answer30
viewsHow to redeem an item from a relationship with Swift?
Hello I am trying to store in a variable the value of an item of a relationship. The relationship is "friends" and in it there are some attributes like "friendship". I would like to store the value…
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answer81
viewsstartMonitoringSignificantLocationChanges Does not work in background
I’m making an app that uses the device’s location service. It necessarily needs to be capturing the positions when there is a change of location and should capture in all situations…
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answer73
viewsWhat are the variables for the Cordova geolocation plugin in iOS?
During the creation of a plugin for Cordova that uses geolocation, it is necessary to add a variable to "Privacy - Location Usage Description" which is the GEOLOCATION_USAGE_DESCRIPTION. in the…
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answer132
viewsShare iOS texts
How do I share a text on social media on an iOS App on Swift 3? I have several Random Phrases in an array and if the person likes one I would like to let them share that phrase. How would the one…
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answer168
viewsHow to calculate distance travelled by me in Swift
I am trying to calculate the distance I travel between my starting point, until the moment I stop my race/change screen. Can you help me? The most relevant parts of the code are listed below.…
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answer243
viewsError: Expression implicitly coerced from 'String? ' to Any
How do I correct the following error: Expression implicitly coerced from 'String? ' to Any The error is given in the code snippet below: let frase = lblFrase.text let textToShare = [ frase ] ///O…
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answers212
viewsDoubt with creation of projects in firebase
I had several projects in firebase and when I went to create another fired this message: Missing 3 projects to reach the limit, even if I drop them all, which is what I did and the message…
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answer432
viewsOpen Viewcontroller iOS
How do I make the function below (when a navigation bar item is clicked) open another screen already created on Main.storyboard? @objc func infoTapped (sender:UIButton) { }…
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answers55
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answer387
viewsremove parts of a string and return the removed parts - Swift
How do I remove parts of a string and return those parts removed to another string on Swift? Example: var myString = "10setembro2017" let newString = myString.removeAndReturn(index:1..2)…
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answers460
viewsError when connecting app with Firebase
I’m trying to connect my App to Firebase, I’ve already followed the steps taken on the site, in addition to watching some videos from other authors, but I always come across the following problem:…
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answer43
viewsSet height for Uiscrollview
I’m creating an app for iOS using Swift, I’m having a lot of difficulty regarding the height of UIScrollView, I’m using auto-layout and create the following structure: Uiscrollview Uiview // View…
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answer40
viewsError while clicking Button
Good morning! I am studying the Swift language for iOS and I have the following problem. I made a test application, available in the book "Swift - Programe for iPhone and iPad" Code House. It is an…
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answer235
viewsLoad web page in Uiwebview Swift 3
Good morning, everyone I can easily upload a web page to a Uiwebview with the following Swift code: import UIKit class ConteudoOnlineViewController: UIViewController { @IBOutlet weak var pagina:…
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answer43
viewsAutologin sem firebase SWIFT3 IOS
I wanted to know how do I save the user information program and the same need not log in whenever minimize or close the app without using firebase.
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answers1376
viewsHow to make a Login and Password system secure for Mobile Apps?
I created a security system in php with mysql for my website, but through the browser on desktop computers, the session is stored in cookies, and it is easy to know which user is logged in and what…
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answer59
viewsHow to add value of variables to the value of a saved variable in userdefaults
I will try to be objective, I need to save a variable that the value that is stored inside will be the text of a label and this value is changed when an input of another variable is performed. For…
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answer75
viewsTableview saving selected lines
class ViewController: UITableViewController { let dias = ["Segunda-feira","Terça-feira","Quarta-feira","Quinta-feira","Sexta-feira","Sábado","Domingo"] var selecionados = [Bool]() override func…
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answers57
viewsBug with CSS Transform Skew on iOS
.calendar__nav a.arrow_up { top: 0; } .calendar__nav a { border: 0; background: transparent; position: absolute; width: 32px; height: 32px; display: block; left: calc(50% - 16px); } .calendar *,…
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answer1138
viewsConverting String to date Swfit 3
Hello, I’m trying to convert a String in Date in Swift 3. However the date is always returning me with two hours more. Below is my code. let dateFormatter = DateFormatter() dateFormatter.dateFormat…
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answers89
viewsbuild ionc Ios - Virtual machine
Does anyone know of any service that provides virtual machines with MAC operating system ? I only need to build my IONIC application to generate the IOS application.
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answer280
viewsImage on IOS navigation bar button
I need to add two buttons in the navigation bar of my app, but what I need to use an external image (already imported to the project) it does not appear. override func viewDidLoad() {…
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answers354
viewsHow to handle 400 error messages
I work with an application made in Xamarin that sends several requests to the api. Eventually, a user action receives a BAD REQUEST because the user tried to like a photo that she had already liked…
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answer880
viewsHow to Generate iOS App with React Native
Can anyone tell me how the process of generating an iOS app works? Assuming you have the code ready just have to generate the app, I need to have an iMac?
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answers389
viewsChange font size according to iOS device
I have a Phrase App and each sentence has a different size (according to the amount of words) and on tablets as the resolution is the same as the iPhone 4s the phrases extrapolate the size reserved…
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answer1268
viewsNumeric keyboard input type="Text", Ionic Cordova
I have in my app a field for Cpf, I need to make sure that when the user fills Cpf, the device shows only the numeric keyboard. But if I change the <input type="text"> for <input…
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answer89
viewsWhen trying to install app it hangs on the message "Preparing Debugger support for iPhone"
I can’t install my app on iPhone get stuck in this message: "Preparing Debugger support for iPhone" Illustrative image: I tried every answer to this question and nothing worked Following this…
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answer27
viewsHow to pass parameter in Nsarray in Nsurlsessiondownloadtask url
I am creating a Uitableview to load the bookmarks that are saved in Nsuserdefaults, the values are the Ids. ex. 34, 45, 55... I am creating the url and passing parameter through a Nsmutablearray.…
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answers360
viewsHelp Ionic form validation 3
I would like a little help , I’m new to Ionic , and I would like a help on email validations just to see if it is valid , I do not want to search in any database , I just want to know if it has @or…
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answers208
viewsIonic, service, how to create a task
I wonder if it is possible to create a service in Ionic, running even with the app in the background and that at certain times run a method as if it were a setTimeout but always active.
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answers39
viewsScroll Ionic 3 Ios
I’m having trouble with this scroll, creating a black image at the bottom of the page. When I drag it up, it appears, when it drags down the black image.…
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answer112
viewsProblem with android library REACT-NATIVE
I’m using a library to crop photos in my project, but it only works for android, when I run the app on android it runs normally, but when it runs on Ios, from the error in importing the library,…
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answer137
viewsHow to get a unique device identifier from IOS
In the development to Android it is possible to define whether a smartphone is unique through your IMEI or MAC, and perhaps not the best way to identify only a mobile device, but works very well. On…
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answer212
viewsFirebase SWIFT and Storage Image Gallery
Good afternoon, I’m finishing a APP developed in Swift 4, with Xcode 9 and Firebase. I can already log in with Firebase, and e-mail through my App, what I need to do, which I’m not getting at all is…
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answers237
viewsProject in React doesn’t open on Apple devices
I have a project done with React using Webpack for frontend and Spring Maven for back. I am using JSX files and as a framework Ant Design. The problem is in the fact that on Windows and Android, the…
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answer522
viewsReact Native and hybrid?
I was wondering if React Native and really hybrid, like Ionic, that you program a code only and export to the two platforms (IOS/ANDROID), or and similar to Xamarin, that you make the 2 different…
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answer325
viewsInput type file in webview - Xcode
I created a webview of a page that contains an input type file to upload photos, however, in Iphone webview, when I click the button to upload the photo, it opens a menu only with the option of…
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answers96
viewsAjax does not return callback on ios
I have the following problem, when I try to run my code it arrive in beforeSend but it does not return me if an error happened or was executed successfully, someone could help me with this. On PC…
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answers128
viewsHow to optimize the performance of my application when doing Httpclient resquisitions
I’m developing an app using Xamarin.Forms, but I have a problem. Settings like color, company name, cover image and soon comes through a request for a call to web service whose return is a JSON, but…
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answer70
viewsUitableviewcontroller cells are blank/missing when scrolling the Tableview
I’m having a problem with my tableviewcontroller, as I update some data on a textfield or roll down it goes disappearing with some cells, if I roll up and down hiding the missing cell it comes back…
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answer95
viewsShould I use tableview, collectionview or scrollview when dealing with vertical items that are different from each other in the Xcode?
Good night, I started learning Swift a short time ago and am trying to develop an app in Xcode. Today I found the following situation: I need to make a list of information in which it is possible to…
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answer95
viewsEnumeration Swift 4 - What is its usefulness and how does it work for IOS development?
Good guys, I’m studying hard to start developing an app in Swift 4 for a job interview, but the Type Enum left me a little, almost nothing, however, still confused. I wanted to know a little more…
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answers23
viewsBug Xcode - Iphone 7 disappeared from my list suddenly
As you can see, iphone 7 is missing from my list on Xcode, what do I do? I need to restore it, because without it I can’t deliver the project.…
iosasked 6 years, 3 months ago Victor Carvalho 1 -
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answer99
viewsHow to display a View only when the app starts on Swift 4?
Good guys I’m making an app for a Interview I’m almost done but wanted to add more features. I am doing in Xcode using Swift 4 language.. What I’d like to know is, I have a View called Popupview how…
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answers38
viewsHow to cache a json Xamarin IOS request
I’d like to know how to do cache of a request Httpclient whose return is a json and determine the amount of storage days of that cache. public async Task<List<Categoria>>…
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answers4491
viewsWhatsapp link does not work on iOS
I’m developing a Landing page where there will be an icon with link to Whatsapp. Follow this tutorial. http://api.whatsapp.com/send?1=pt_BR&phone=55XXXXXXXXXXX On Android works perfectly, as per…
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answer66
viewsUpload app to Apple Store
I’m trying to upload an app to the apple store using Xcode 8, but I get the message that it’s no longer possible to upload to the apple store using Xcode 8. From what I searched, it’s possible to…
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answers414
viewsHow to convert a json return to a C# object display the result on the screen
I’m having a little trouble reading a JSON and convert to an Object and display the data on the screen using C#, I’m using the lib Newtonsoft and would like to know how to check if the data type is…
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answer78
viewsHow to Disable " Pinch Gesture" Effect with Swift 4 in Xcode9
How do I disable my Wkwebview zoom? My app is allowing zoom in on the screen, I would like to disable this function. How should I proceed ? import UIKit import WebKit class ViewController:…