Questions tagged as 'xamarin-forms'

Tagged questions
2
answers

How to access an HTML page and return your HTML using Xamarin.Forms?

I would like to know how I can access a page, example uol.com.br, and return your HTML. For together like this return try to use regular expressions with this HTML.     
asked by 29.01.2017 / 00:16
1
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Problems accessing an api web in a Xamarin Forms project

In my first screen of my app mobile I'm doing is the Login screen, however whenever I try to log the return it is    StatusCode: 404,       ReasonPhrase: 'Not Found' I have already confirmed and uri is correct, access via...
asked by 13.01.2017 / 12:19
1
answer

Put image in Picker Xamarin Forms

How do I put an image on the right side of the Picker (DropDownList) so I can differentiate it from the other Entry fields, to have a selection object appearance? <Picker x:Name="picTpEndereco" HorizontalOptions="FillAndExpand...
asked by 03.02.2017 / 17:29
1
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Display photo in ToolbarItem Xamarin Forms

I need to display the photo on the right side of the menu with ToolbarItem . I return the photo of the database for the "Photo" property of type string . Convert the photo string to Base64 and assignment to component...
asked by 07.12.2016 / 13:15
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Problems with layout in previous versions of android Xamarin Cross Platform

I am compiling the application in marshmallow version 6.0 and it opens everything right. But when compiling in some previous versions (for example in version 5.0.2 Lollipop and 4.4.2 kitkat), the layout opens distorted and in 4.4.2 neither loga...
asked by 25.11.2016 / 17:50
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Error Xamarin.Forms Android - new HttpClient ()

This error appears (image) whenever it arrives in this line: using (var client = new HttpClient()) Thisisthecompletecode.usingNewtonsoft.Json;usingSystem;usingSystem.Collections;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem....
asked by 07.10.2016 / 22:40
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Xamarin Cross menu burger iOS and Android!

I created a xamarin forms portable project after I created a class with the drop down menu, I would like to know how to align the image of the xamarin in the center, since I am not able to using Xamarin.Forms; namespace MenuHamburguerNavegaca...
asked by 13.09.2016 / 18:41
2
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Two fields in a picker - Xamarin Forms

Is it possible to have 2 fields in Picker ? Today I have a Category listing and would like to be able to put the Category Code up front. TheXAMLcodeforPicker:<Pickerx:Name="pckCategoria" Title="Selecione uma...
asked by 04.07.2018 / 23:00
1
answer

How to resolve System.Reflection.TargetInvocationException: Exception? [closed]

My application (using Xamarin Forms) was working ok, most of all when I click the login button it is being interrupted by launching the following error:    System.Reflection.TargetInvocationException: Exception has been thrown by the target o...
asked by 16.02.2018 / 16:20
1
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How to display in a listview data via web api?

I'm having trouble performing this task, I need to fetch data that is stored via mysql on a website and display them in my app that is being developed in Xamarin Forms , so I need to webservice . I have the following context:...
asked by 20.02.2018 / 00:19