Questions tagged as 'xamarin.forms'

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I need to implement some form of the user activating the gps, Xamarin CrossPlatform PCL

I have read that for security reasons this action can not be carried out even though there are applications that do so, such as Google Maps, in which if one enters the application with the gps deactivated, this application shows an alert with th...
asked by 30.07.2017 / 10:40
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How can I customize my xamarin forms application?

How can I remove the name, from the application of this place, thank you very much for your help ...     
asked by 21.01.2017 / 04:17
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Xamarin - Views in XAML or programmatically [closed]

I am developing an app in xamarin forms and I am doing my views in a programmatic way. My question is: In terms of optimization which of the two options is better to use? Thank you.     
asked by 10.01.2017 / 02:59
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Xamarin Forms Azure error

I am trying to connect an application of Xamarin Forms with Microsoft Azure and at the moment of compiling I display the following error: Method 'System.Net.Http.HttpClientHandler.set_AutomaticDecompression' not found. Azure Client: using...
asked by 29.12.2016 / 06:13
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Doubt with "Back Button" in Xamarin Forms

I am developing an application for Android and iOS with Xamarin Forms. Then, when I open a new page I do it in the following way: var newPage = new ContentPage (); await Navigation.PushAsync (newPage); My question is: By pressing the "Ba...
asked by 16.02.2017 / 01:54
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Get read string from ZxingScannerPage, Xamarin Forms

I would like to know if you know how to get the text obtained from a QR code reading, in X.Forms, the problem is that I do not understand the code very well, the Device.BeginInovke ... confuses me: private async void escanearQR() {...
asked by 07.12.2018 / 13:12
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ZXingBarcodeImageView Navigation Back - Xamarin Forms - System.ArgumentException: Found empty contents

I have a view with the ZXingBarcodeImageView implementation <zx:ZXingBarcodeImageView BarcodeFormat="QR_CODE" BarcodeValue="{Binding QrCode}"...
asked by 12.10.2018 / 17:29
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Problem uploading Image with Django Rest Framework and Xamarin Forms

In the ViewModel I get the image in an array of bytes and add it to a MultipartDataContent. byte[] imageArray = null; ByteArrayContent imageStream= null; if (this.file != null) { imageArray =...
asked by 01.10.2018 / 18:51
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Error trying to add WCF WebService reference in xamarin

Hi, I'm doing an app in xamarin.forms and I'm trying to connect it to the webservice that I created but when I want to add the reference I get the following error: I would appreciate your response.     
asked by 18.08.2018 / 02:01
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BindingContext in control Switch within a ListView

I have a ListView in which it contains several Switch controls, I have placed a BindingContext, but when doing Tap on the Switch at run time, it changes to true in all the rows of the list and what I need is that it only changes in the selected...
asked by 12.08.2018 / 06:39