Questions tagged as 'xamarin'

Tagged questions
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How to implement a PushNotification

I know I need a notification server for this. I chose the firebase because it is free and does not require a credit card. What I want to do: 1) When the user changes the Flag to the bank, then a service will pick up this change and send it to...
asked by 24.09.2017 / 21:51
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How to create a ListView with delete action

Hello, I would like to know how to create a listview in which you have the option to remove that item from the list. I'm working with MVVM     
asked by 14.09.2017 / 03:01
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List does not load database data with xamarin.forms and C #

I created a list by code and I can not load the data. I made this list for xaml and neither do I have another one that works ( xaml ) and I tried to do the same thing and nothing. When I upload the list it appears: Autorizador.Mod...
asked by 12.09.2017 / 11:53
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No resource identifier found for attribute 'tabIndicatorColor' in package 'Authorizer.Android' Authorizer.Android

I have had several errors, which I have been eliminating, with the installation of the packages. But this three I still could not eliminate. The interesting thing is that everything was working and out of nowhere, I gave a build and began to mak...
asked by 05.09.2017 / 00:24
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Virtual machine java error in project xamarin

I have an Android project that runs normally. But I created a Cross Platform and it is giving this error:    Error Could not create the Virtual Java   Machine. Authorizer.Android C: \ Mobile \ Authorizer \ Authorizer \ Authorizer.Android \ CO...
asked by 28.08.2017 / 14:26
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My application does not give an error, but nothing appears on the screen (xamarin)

Developing and learning xamarin. I took an example of Macoratti and decided to implement, because it is consumption of REST with xamarin. I did everything as it is on the author's website and when I squeeze, nothing appears on my smartphone (sam...
asked by 29.08.2017 / 00:37
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Deployment only works with samsung j5 smartphone plugged into the computer

I can only do deployment when my cel is plugged into my note. If I use the default ( VisualStudio_android-23_arm_phone(Android 6.0 - API23) ), it does not work. Build successfully, but deployment fails. I do not know why. I have not tested...
asked by 29.08.2017 / 14:09
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In the java folder I have three subfolder, is it normal?

I'm having trouble with:    java / lang / NoClassDefFoundError: java / lang / object. I've done a lot of things that my colleagues asked for and nothing. I updated PATH and JAVA_HOME and nothing. My Classpath: ;%JAVA_HOME%\lib;%JAVA_HOM...
asked by 22.08.2017 / 21:34
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how to read a Json result of google directions API

I'm getting this json from the google directions API link I need to read it But it's difficult. What I have so far: (even though awareness is wrong) public static async Task<List<Model.Localizacao>> GetDirectionsAsync(L...
asked by 09.08.2017 / 18:19
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Error creating android project with xamarin

I installed Xamarin in VS 2015, everything normal. When I go to create an Android project it gives the error    Value can not be null.   Parameter name: path1 To create for iphone he creates it normally. What can it be?     
asked by 02.08.2017 / 16:55