Questions tagged as 'xamarin'

1
answer

Problem with mysql connection in C #

I created a connection class for my application in Xamarin, but every time I try to connect it throws this exception:    "The type initializer for   'MySql.Data.MySqlClient.Replication.ReplicationManager' threw an   exception " Follow the...
asked by 20.08.2016 / 01:06
1
answer

Using Grid with AbsoluteLayout - Xamarin Forms

I need to use a Grid screen (to organize the Entries and Buttons) and AbsoluteLayout (to have the ball in the middle of the screen). If this is done the screen layout becomes deformed (image below). If you shoot AbsoluteLayout the...
asked by 29.05.2018 / 22:51
1
answer

Task ListT showing error Xamarin

I'm creating a Task List
asked by 08.06.2018 / 04:17
1
answer

Change the color of a navigation page

I have this: public void Login_Clicked(object sender, EventArgs e) { LoginService svc = new LoginService(); LoginRS res = svc.Login(txtUsuario.Text, txtSenha.Text); if (res != null && res.Su...
asked by 08.02.2018 / 13:55
1
answer

Problem with custom control

I created a custom search bar with an entry. I need to get the text of this entry to be a search parameter. So I created a custom property that uses the Text property of entry. But this custom property does not take the text from the custom s...
asked by 11.06.2018 / 15:34
1
answer

Consuming a Web Service Asp .Net application Xamarin

I want to make a request to a Web Service developed in Asp. Net passing two parameters to my server. The controller in the web service is this: public HttpResponseMessage Get(string id1, string id2) { try {...
asked by 18.06.2018 / 14:40
1
answer

Uninstall packages and all their dependencies at once

Is there any way I can uninstall packages and all their dependencies in a single command? Without having to uninstall one by one. Type:    Unable to uninstall 'System.Net.Http.4.3.3' because   'NETStandard.Library.1.6.1' depends on it How...
asked by 05.01.2018 / 17:43
1
answer

An unhandled exception occured. I can not understand this message, no detail comes

Personal this message:    An unhandled exception occured. It always happens when I try to consume my service REST . I first made an example, copying it from Macoratti and it worked. So I adapted to my service and it did not work,...
asked by 03.09.2017 / 15:25
2
answers

The "Xamarin.Forms.Build.Tasks.GetTasksAbi" task was not loaded from the assembly

This is the error I'm catching:    C: \ my_path \ packages \ Xamarin.Forms.2.5.0.122203 \ build \ portable-win + net45 + wp80 + win81 + wpa81 \ Xamarin.Forms.Build.Tasks.dll.   Confirm that the statement is correct, if the assembly is   all i...
asked by 15.01.2018 / 21:52
1
answer

Page Content does not appear in Xamarin Forms

I'm having trouble showing the content of the pages. I created a ListView with some options, follow the code below: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using Xamar...
asked by 28.08.2017 / 20:42