Questions tagged as 'xamarin-forms'

Tagged questions
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Transfer information from one View to Another

Good afternoon! I've come across a doubt, I'm developing a xamarin forms shared project, using MVVM standard, in a particular View Model1 linked to View1, when doing a search and existing the value in the local bank, View Model1 Calls View2. So...
asked by 10.11.2017 / 18:09
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ListView component is only displayed from the bottom half of the screen

The question is as follows: I have a ListView , inside a " ContentView ", it is populated properly and the template applied normally as expected. I am inside a " Master-detail " navigation and in this case, the ContentView is invoked fro...
asked by 31.10.2017 / 00:48
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When registering my class, stick with the OnAppearing method

I'm trying to make notifications with xamarin and the Xam.Plugin.PushNotification plugin. The problem is when I register the plugin. It does not work, by the time the UpdateData () method is called. Actually what I want is this: Whenever a f...
asked by 24.09.2017 / 15:40
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Change background color of a selected item in the listview of a menu on a Master Detail Page with Xamarin.Forms

When I select an item in the menu, it has a background color pre-defined by Xamarin, but I would like to change that color. I'm using a MasterDetailPage in Xamarin.Forms     
asked by 02.10.2017 / 09:37
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Xamarin Forms dependency service does not work with generics?

I need to generate an instance of a generic class with Xamarim forms using dependcy service (or a DI framework). With the code below I can generate a problemless instance:    Interface namespace PrismNinjectApp1.Application.Interfaces {...
asked by 21.06.2017 / 23:45
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Error creating Xamarin cross plataform project in Visual Studio. "The project requires a Platform SDK (UAP, version = 10.0.10.586.0)"

When you try to create a Cross PlatForm App project with the Master Detail I get this error: TheSDKthatitclaimsismissingisinstalled.I'vereinstalleditseveraltimes.WhenItrytocreateaCrossPlatformAppwiththeBlackApp(Xaml)templateIgetthiserror...
asked by 04.12.2016 / 13:43
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My App does not load list of items

I have a App Xamarin.Forms that consumes two rest services. The first service, it consumes normally. But the second, I need to pass a parameter, it is not being consumed. I've tried it in many ways and it does not work. I know my c...
asked by 10.09.2017 / 23:27
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Create new instance every time you use NavigationPage in Xamarin Forms?

Suppose I have 3 screens in Xaml and I use MasterDetailPage and NavigationPage to navigate between these screens back and forth. Page A - > Page B - > Page C - > ... I use PushAsync to do the browsing. So good ... I've implemented...
asked by 02.12.2016 / 10:55
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I need a movie API that returns Json

Lords all good? Does anyone have a movie API that returns json if possible with the movie photo? I'm doing some sample app with xamarin however the api that it uses in example n works over ..     
asked by 09.12.2017 / 18:57
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Create popup with Rg.Plugins.Popup

Does anyone know of any tutorial to create popup in xamarin.forms using this plugin, Rg.Plugins.Popup? I need to create a popup and inside it a textbox or textarea with two buttons (Ok and Cancel).     
asked by 25.10.2017 / 11:53