Questions tagged as 'xamarin'

Tagged questions
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"Enumerable.cs not found", how to adjust?

After initializing a "ContentPage", the following error appears: "Enumerable.cs not found". Infact,Ididnotfindthefile.Is"Enumerable.cs" unique to "System.Core"? I tried installing "System.Core" but it showed an incompatibility I do not under...
asked by 21.09.2017 / 20:51
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Call PUT method of an App xamarin.forms

I need to update my App . I'm having some questions about passing the parameters to the URL of the service and running PUT . The service is working, testing by Postman, I can perform the Update, so it's only missing App . My difficu...
asked by 18.09.2017 / 20:24
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Flag messages received

When I receive 1 or more messages, for example, in What's App, let's say I received 3 messages. On top of the what's app icon, there is an orange "ball" with the number 3, in fact the amount of call. No Linked In the same thing and so goes for e...
asked by 02.09.2017 / 12:19
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Declare a Liststring and display in xaml

I'm trying to make a List string in xamarin, this list auto-increments according to whether an attribute is declared as true; public bool TemPão { get; set; } public bool TemBife { get; set; } public bool TemPresunto { get;...
asked by 01.09.2017 / 18:58
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More than one type of layout in a ContentPage

Is it possible to have more than one Type of layout within a ContentPage? I'm developing an app, and it needs a top bar with a few buttons and a listing of names. How can it be done?     
asked by 03.10.2017 / 01:03
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Where do I enable the iOS keychain on xamarin / vs?

I'm using xamarin forms and trying to use xamarin.Auth to save information in the device database..For android I did this and all right ... But when I squeeze IOS I get this error ... > Xamarin.Auth.AccountStoreException: SaveAsync error =...
asked by 17.08.2017 / 18:19
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How to identify the applicationId?

I'm implementing FireBase in my project, but when registering my application in the FireBase console it asks for the name of the applicationId in>). help page appears the following message:    In general, the name of your package is...
asked by 17.08.2017 / 20:47
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How to do this layout in Xamarin

What structure should I use to make this layout? It's a listView or gridView , I do not know how to do this part of SOM , When I put listView , it appears only aligns from below, not from above!     
asked by 15.08.2017 / 14:14
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How can I intercept link click within WebView?

In my Android application, I have a webview that opens several different websites. Everything works in compliance, however when you have a link on the page, and the user clicks on that link, the browser opens. I wonder if there is any clic...
asked by 20.07.2017 / 14:24
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Reducing the size of the photo

I'm recording the photos taken by my application in the sqlite database, I know it's not very recommended anymore, I need to transfer these photos to a central database that unifies all data in all applications. The way I'm reducing and writi...
asked by 06.07.2017 / 21:11