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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answer200
viewsViewpager on iOS with Swift 3
Hello, I’m developing an iPhone app using Swift 3, and I’m having some doubts regarding browsing between pages within a ViewController. My application to android I have a Activity using a ViewPager…
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answers123
viewsSearchbar shows right result, leads to wrong Viewcontroller
I’m putting together an app that shows managers on Page1 and their respective employees on Page2. I decided to mount a plist and press a Tableview, see: To load the plist correctly insert to…
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answer67
viewsDifficulty loading sections in cellForRowAt
I’m having a little difficulty in implementing indexes (A through Z) in my app... See the structure below, what should I do to properly load the indexPath.section?: struct EmployeeDetails { let…
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answer399
viewsWhat is the importance of Weak and unowned in Swift?
I have been studying Swift for some time and now I want to delve into the language and the IOS platform. I wanted to know more concretely what is the importance and the correct way to use Weak and…
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answers46
viewsBest place to place Dispatch in Collectionview with Firebase
I’m racking my brain with an app based on a few examples of Brian Lets Build That App , adapting your videos to my needs. I’m downloading some images from Firebase and updating a collectionview.…
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answers542
viewsWhat do you call that "view change" effect by sliding?
Several apps (Facebook, Twitter, Instagram) make use of a "touch enabled" effect where the user drags the entire screen and it changes the view. Do not confuse with the "slide" effect of the menu. I…
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answers136
viewsGeolocation and HTTP requests in the background with Ionic 2
I’m creating an app with Ionic 2 in this application I need to take the geolocation of the device and make HTTP requests to a web service that I have published. I used Sqlite to store the…
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answer151
viewsFile lost in Xcode
When I copy a Swift file and paste it from my folder, it does not appear in Xcode.…
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answers160
viewsHow to put more than one pickerView in just one Viewcontroller
I’m trying to build a View that takes user data such as height, weight and age using Pickerviews. It is not returning any errors, but when I run, the Windows pickers only have a question mark,…
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answers364
viewsSwift 3 - How to persist objects
I’m an Android developer and I’m trying to learn some things for iOS as well. I have hit myself a little on simple things, like saving persist an object of mine to catch it again another time. On…
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answer471
viewsIonic 1: Error compiling for iOS - [ERROR] An error occurred while running Cordova build Ios (Exit code 1)
I’m compiling for the first time on Mac, for iPhone, when I type the command for compilation: cordova build ios Error arises: [ERROR] An error occurred while running cordova build ios (exit code 1).…
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answer171
viewsiOS - Changing the height of a Text Field inside Uistackview
I have a layout I’ve assembled using StackView. So I have a StackView vertical with some TextField, and two StackView horizontal inside. I now want to change the height of the textfields, thing the…
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answer216
viewsDoubt Encoding Utf8 Swift 3
I’m having a lot of problems with encoding my app. I have an online radio in the United States and I’m trying an app for it. I get the music from Lastfm. let queryURL: String if useLastFM { queryURL…
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answer212
viewsNotification with sound on Swift
I’m having a problem making an app similar to an alarm. What happens is that I can’t find any way for the user to select a song in their library and use it when playing a notification. This is…
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answer554
viewsChange buton label by clicking and picking the entered value
Good afternoon, I have a button in my application that the value will be changed as the button is selected, must open a field for the user to type and consequently it takes the entered value and…
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answer112
viewsHow to save a private key locally in security?
I am developing an application for Android/iOS mobile devices, in this application the communication with the server is done in encrypted form. The user application, when first started, generates a…
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answers108
viewsValue of type 'String? ' has no Member 'Int'
I have the following problem: Value of type 'String? ' has on Member 'Int' What is the reason for the error and what is the solution? class ViewController: UIViewController { @IBOutlet var…
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answers42
viewsWhere can I enable IOS Keychain in Xamarin/vs?
i am using Xamarin Forms and trying to use Xamarin. Auth to save information in the device database.. For android I did this and everything right... But when I run IOS I have this mistake... >…
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answers33
viewsCode Sign key, Keychain error
I am new in the area of programming and iOS and would like to understand what this error is and understand how I can fix it. Error: iOS code Signing key 'iPhone Developer: Luiz ***** (F*******)' not…
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answers23
viewsBetter Solution for holding app Finish after all UI tests finished
I’ve been Working with iOS UI tests in the Past few few Weeks and Besides of KIF I’ve been using Fastlane as CI to check my code style and do other some Stuff like Releasing to Fabric and…
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answer233
viewsError when converting string to date, with dateformatter in Swift
In user registration I have an input with a mask in this format "dd/MM/YY", after taking the value of the input, which comes as a string, I have to convert it to date. The conversion always worked,…
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answer308
viewsBuild Ionic on MAC: When adding plugin says " Requirements check failed for JDK 1.8 or Greater" but already installed
When I add the Ios platform on Mac, it gives the message that the codova file tranfer plugin has not been installed, to try with --force. But when installing with the command: cordova plugin rm…
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answers31
viewsUikit/Uikit. h not found on Facebook Notification SDK (Fbnotification)
Im trying Compile my project, but after a long time without open it, i Started get an error about Fbnotification SDK. The message is: In file included from…
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answer175
viewsParalax image does not appear apple device (IOS)
Good afternoon, you guys. I developed a website for my girlfriend, and when I open it on an iphone, the image paralax does not appear, it gets blurry. Android devices, notebook and Desktop is…
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answers30
viewsProof of publication of App
I need documents to prove that I posted an App to the Apple Store and Google Play, where I can collect it?
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answers138
viewsHow to treat a reponse.result.value that returns as log optional([])?
I am in the following situation I have a request in the Alamofire that returns me a json that may or may not have data (usually has but may not). I want to treat when Response.result.value returns…
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answer124
viewsShow data from a JSON in a listview
namespace Monitorizacao.UI.Pages { public class Post { public int Id { get; set; } public string Title { get; set; } public string Body { get; set; } } public partial class TestAPIPage : ContentPage…
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answers16
viewsWhy does the webview front in Objective-C behave differently than the Safari browser in ipad?
Is there any way to make both compatible in the view. IOS version: 9.3.5 iPad 3: model A1416
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answer67
viewsWhat is the difference in terms of Uiviewcontroller and Sfsafariviewcontroller navigation?
I would like to know the advantages and disadvantages of webview controllers Sfsafariviewcontroller and Uiviewcontroller, for the issues below: - performance - compatibility - usability…
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answers424
viewsSort a string array in Swift using a function
I am in need of a help to solve the following programming logic problem on Swift. The task is to arrange the array below downwards using a function. Description: You must implement an algorithm that…
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answers97
viewsModal navigation
In my IOS application I have an option that opens a modal, in this modal I have a list of items, when clicking one of these items I show the details of the selected item. The solution adopted today…
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answers397
viewsClear Screen after Transition - IONIC app
I’m creating an app with Ionic and angular, and I’m making use of tabs. I have 5 tabs, and one of them displays a "Menu" page, this page contains the listing of other pages that are not in tabs,…
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answers1036
viewsError: Uncaught Typeerror: Object(...) is not a Function
I am developing an application using Cordova + Ionic + Angular, but I have the following problem. From one minute to the next started giving the following error in Chrome: Uncaught Typeerror:…
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answer164
viewsOpen new screen Swift 4
I have a webview app, after the lauchScreen it goes to the Viewcontroller where it loads the page, I have a class that checks if there is a connection, and if there is not I would like to open a new…
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answers84
viewsNative iOS development
I have a question regarding the languages available for native development. I heard on a podcast that there are still applications that maintenance is done in objective-c. Would it be good to learn…
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answers99
viewsPut sound in app notifications
I’m having trouble with my application, I’m trying to send notifications to mobile devices, notifications arrive but they do not present sound and I need them to make the sound to draw attention. I…
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answers151
viewsPHP API to use in Xamarin
I am creating an API to create the Mysql connection. Can I use PHP to create this API? Can I normally use this API on iOS? I’ve seen it in many places (example) that I can use this API for Android,…
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answer225
viewsText does not fit inside the <button> in IOS
Hello. As pictured below, the button does not fit the size of the text only in IOS. Is there any parameter to increase the size of the button in IOS? (I wouldn’t want to have to trade the buttons…
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votes2
answers79
viewsAction after back background application
I have a webview on android that always checks if there is internet when returning from the background checking if the connection status has been changed if it is offline the app sends the user to a…
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answer99
viewsHow to allow an App to send notification
Hello, I am developing an app and before the person login, I ask the user for permission to the location of the same, this is already ok, but I need to put also then a permission to send…
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answer163
viewsProblems with canvas inside a Webview in React Native
Why when changing the height > 100 and width > 640 on the canvas inside a Webview in React Nenable, nothing more and drawing? //funciona ... canvas.width = 640; canvas.height = 100;…
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answer60
viewsRemoving the Dictionary object on condition - Firebase - Swift
In my App I need to list information registered by the user, there is an "enable" field where "on" will not be displayed in the tableViewController, if "yes" will list, code below for help. First…
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answers4619
viewsHow to get back app version in App Store?
I uploaded a version of an App recently with several modifications to App Store (IOS), unfortunately a bug went on the air, so the best solution at the moment is to return to the latest stable…
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answer138
viewsHow do I get my app to login to a Swift 4 webview website?
import UIKit import WebKit class ViewController: UIViewController, WKUIDelegate { var webView: WKWebView! override func loadView() { let webConfiguration = WKWebViewConfiguration() webView =…
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answers170
viewsHow to open Waze and navigate by address
Good night, you guys How do I open Waze in the app and set the address via string (I want to navigate directly by address, not by coordinates) Right now, I’m doing it this way: func…
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answers40
viewsApp development for iOS devices
Does iOS app development work on Mac OS based iOS devices under Windows? Any compatibility issues?
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answer76
viewsWebview and CSS how to verify what is compatible?
I’m trying to make an application with Webview for android and iOS (different applications for each system), and would like to know how the Internet access window reads CSS and checks its…
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answer595
viewsHow to change the status bar text color with Cupertinonavigationbar
I’m trying to put the text of the iPhone color status bar in white color I already tried to put in main the Systemuioverlaystyle, with the statusBarColor and the light brightness but it didn’t…
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answers40
viewsHow to fix React-Native installation failures to run on IOS?
Hello, Following the React-Native documentation it would seem simple if it were only to do what is indicated, only that it is not quite so, it is a mistake to believe that the whole process will…
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answer298
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