Questions tagged as 'xamarin-forms'

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How to convert string to FileImageSource (Icon) Xamarin Forms

How to convert a string (Image) to FileImageSource (Icon)? I need to display a photo in ToolbarItems in the right corner of the hamburger menu. I tried it that way, but it did not work. My code: FileImageSource IconF...
asked by 06.12.2016 / 14:52
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How to access components of the view that are inside a ListView Xamarin Forms

I need to access the properties of the components created in View to set some values (example height and width), but they are within a ListView , so in .cs I can not give this. with x:Name . I tried this way, but it...
asked by 29.12.2016 / 19:19
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Xamarin.Forms Relative Layout Xaml

To try to create a screen that has an image at the end of the screen and above it is the login buttons, type this here: withtheyellowrectanglebelowandthebuttonsaboveit.butIcannotdoit,seetheresult: andhere'sthecode:<ContentPagexmlns="http://x...
asked by 25.08.2016 / 03:39
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Xamarin.forms configuration

Good morning! I'm trying to build a Xamarin Forms application on a windows 8.1 When I installed xamarin and try to start a project, it asks me to add MAC . Is it necessary to add it? and if so, do I need to create a virtual...
asked by 14.08.2016 / 23:20
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"You must call xamarin.forms.init () prior to using it" - Problem trying to access sqlite data

Hello, I'm a beginner in mobile programming and I'm committed to a PCL Xamarin project with Xamarin.Forms . The application uses alarms and for this I make use of dependency injection to access the native classes that take care of the...
asked by 28.09.2016 / 22:37
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Xamarin - Camera does not work

I developed a web application. However, in WebView that I created from this application, when I try to upload files, the code redirects me to the image gallery instead of opening the camera. In my HTML, I have the following field: <i...
asked by 28.12.2018 / 14:03
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View All Columns in an SQLite Table Using Bindig

Forms, I would like to know how to display all table columns in a SQLite database, using the Binding and Listview. I'm using Visual Studio 2017, latest version with Android. All Include, Delete, and Change and List functions are working. I just...
asked by 07.11.2018 / 12:58
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Error in file info.plist Xamarin foms

Hello. I went to open a project Xamarin and in the list of errors came the error that is in the image in the info.plist file of the iOS project. I can not open the project. Would anyone know what it's all about?     
asked by 15.09.2018 / 22:25
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Methods of payment Xamarin Form [closed]

I'm currently researching how to integrate payment methods into an application made in Xamarin-Forms, but so far I have not been very successful in my searches, most mobile payment integration services like PagSeguro, MercadoPago, Cielo have doc...
asked by 23.08.2018 / 13:59
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Format a Field of Decimal Type and Include in SQLite Xamarin Forms with Android

Hello to the masters of Xamarin Forms, I have a small problem, for you maybe very simple. I am not able to format a field of type decimal in monetary value and then make the insert of it in SQLite. Below is the code for the Products.cs class:...
asked by 14.08.2018 / 15:05