Questions tagged as 'ios'

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Error publishing to the AppStore

I put all the data in iTunes Connect but there is an error in the screenshot part. I already have an image for 3,5" , 4" , 4,7" , 5,5" and iPad with the sizes informed on the site. However, the error always...
asked by 08.01.2015 / 00:10
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What 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 questions below:  - performance  - compatibility  - usability     
asked by 23.04.2018 / 20:42
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Compiling Ionic on MAC: Adding plugin says "Requirements check failed for JDK 1.8 or greater" but already installed

When I add the iOS platform on the Mac, it gives the message that the file transfer plugin was not installed, to try with -force. But when installing with the command: cordova plugin rm cordova-plugin-file-transfer --force Give the follo...
asked by 26.10.2017 / 01:53
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How to securely save a private key?

I'm 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 public / private key. The public key is sent t...
asked by 05.11.2017 / 13:58
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What is the importance of the weak and unowned in swift?

I've been studying swift for some time and now I'm looking to dig deeper into the language and IOS platform. I wanted to know more concretely what the importance is and how to use the weak and unowned correctly.     
asked by 16.08.2017 / 18:35
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Email a pdf file in Swift

Good afternoon I have a Tab Bar Item and would like it when I clicked it to trigger a UIActivityViewController that would pay for a PDF of a link ex :( link ) and I can send it as an attachment to an email.     
asked by 29.03.2017 / 21:57
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Module compiled with Swift 3.0.2 can not be imported in Swift 3.1

When creating a project and installing cocoapods and alamofire, when running it is only this error and not build in the project, even empty only by importing alamofire    Module compiled with Swift 3.0.2 can not be imported in Swift 3.1 I...
asked by 28.03.2017 / 23:30
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Problem doing POST method in Swift

I have this body to make a POST to the backend '{"token":"xxxx", "extra_information": {"expires_in": xxxx, "refresh_token": "xxx", "user_id": "user_uuid", "token_type": "Bearer"}}' The parameters that are with "xxxx" will come fro...
asked by 08.02.2017 / 20:33
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How to pass a value from a dictionary (which is inside another dictionary) to a Label? Swift 3 [closed]

I have a database something like this: { "status": "OK", "data": [ { "id": 1, "name": "Mike", "informations": [ { "id": 474, "text": "My son", "reference": "www.google.com",...
asked by 31.01.2017 / 01:30
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'The number of view controllers provided (2) does not match the number required (1) for the requested transition'

I'm using TabBarController and I get this error:    The number of view controllers provided (2) does not match the number required (1) for the requested transition When I leave the home screen and come back to it from this error. I...
asked by 04.11.2016 / 20:09