Questions tagged as 'xamarin'

Tagged questions
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Why does the Google Maps API work in the APK release, but does not show the map in the APK loaded in the store for open beta testing?

In the APK release with key goes. The map APK does not appear in the APK. Here is the manifest: <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="br.com.blablabla.blablabla.android" android:installLocation="auto"...
asked by 12.06.2018 / 05:27
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Questions about Picker in Xamarin.forms

I am creating a mobile application in which the user can register x ingredients and later can register products choosing which of the registered ingredients that product uses. In this perspective: Doubt 1 : I am trying to popular a Picker wi...
asked by 06.06.2018 / 00:43
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ListView receive update of different pages

I'm developing a project and to avoid creating screens with similar functions, I've created a generic query display screen. Basically, the user chooses a brand and sets it to the screen with a listview that shows all the brands available, so he...
asked by 05.06.2018 / 13:01
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Photo Location in Xamarin Multiplatform

Guys, I'm developing an application in Xamplin Mutiplataforma that takes photos and then must retrieve these photos taken and send them to a Webservice. Would you like to know how to recover the photo that was taken? How can I access the photo g...
asked by 23.05.2018 / 20:33
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Error installing Xamarin - JDK does not install

Hello! I'm having this problem after the Xamarin installation is completed . I have tried to download sdk from the Oracle site, but the installer simply does not start, nothing happens. I've also tried to completely uninstall VS2017 and r...
asked by 15.05.2018 / 23:03
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Xamarin - Observablecollections between 3 forms

I have a developing application with a serious problem in passing data from one screen to another. When I started, I made a start screen with a listview, in it I had a searchbox where the user typed a brief description of a vehicle and clicking...
asked by 10.05.2018 / 17:20
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Send Json from client application and receive on Server

I'm having a problem sending a json from my client application to my API on the server. The Json is generated correctly, and the POST request is performed, however on the server side the following error is reported: "message": "Ocorreu um err...
asked by 11.05.2018 / 16:19
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How to convert a json return into a C # object to display the result on the [duplicate]

I'm having a problem while reading a JSON and convert to an Object and display the data on the screen using C # , I'm using the Newtonsoft and would like to know how to check if the data type is an array and check if it is empty? Here i...
asked by 15.05.2018 / 02:20
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Loss of Focus on Entry in Xamarin

I'm building a mobile application with Xamarin Forms and C # where I need to do the CPF check and validate the email. I'm wanting to do the validations as soon as the field loses focus. I'm using MVVM in my application. Can anyone help me sol...
asked by 03.05.2018 / 18:06
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Xamarin Provision Profiles

link It was working perfectly in Xamarin and after one day iOS stopped working, I went to see the properties and in Bundle Signing I noticed that there was no provisioning files instead of normal automatic. Can anyone solve this error I hav...
asked by 09.05.2018 / 18:59