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Signature or Photo

Hi, Am having a registration form once the detail is filled the person need to make a signature below it. We need to migrate this process in mobile. So how to handle signature concept in mobile...

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How do you create a Material MasterDetailPage?

Hi! I'm creating an app using the MasterDetailPage. I was inspired from Hanselman and have used a bit of his code. Everything is going pretty good, but I have a hard time designing the NavigationDrawer...

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Reusing custom renderers

Hi all, In my Xamarin.Forms application I use NavigationPage with stack of ContentPages to display my content. It's similar, for example, to typical mail application: it has some list of items and when...

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cross platform FontFamily

Hi there, I need to specify different FontFamily for different Labels in my app. I need to use the default fonts (e.g. Roboto for Android and Helvetica for iOS) with their modifications (e.g. Light,...

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Fix for Button Layout Bug on Android

If you've run into the same problems with layout on buttons that I have where when you either add other controls, or even just do things like set text on labels, and you're finding that the Button text...

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Siddique Ahmad

I am new to xamarin Forms.When I am running xamarin forms app in an emulator it is showing that unfortunately App has stopped.Can anybody help me on this issue.

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Relative binding in C#?

Hi to all. I am implementing a custom **ViewCell **in code, and I want to bind the Command property of a button inside the ViewCell to a command in my ViewModel. In XAML, I can do it: <Button...

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Stacklayout/ScrollView extremly slow in Windows Phone...?

Hi all I my app, I show (inter alia) an detail-page with a StackLayout in a ScrollView. The data are queried from a web-service. While the page is shown in about a second in iOS and Android, it takes...

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Bug, iOS, Label with StartAndExpand HorizontalOptions does not expand if...

Hello there, Because a picture is worth a thousand words, let's start with this: As you can see, I am trying to build rows with a left-aligned Label (LayoutOptions.StartAndExpand) and a right-aligned...

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Button inside ListView

Hi all, I think I have found a possible bug on Xamarin Forms (android): when you add a button to a ListView ViewCell, the selectedItem binding property stops working on Android (it still works on iOS)....

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How to change the highlight color for selected item in the listview?

I'm working with Xamarin Forms ListView and trying to change the highlight color for selected item because right now for Android version, the highlighted item has black color. I'm using DataTemplate to...

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'System.ArgumentNullException' occurred in Xamarin.Forms.Platfrom.WinRT.DLL"

I am getting "A first chance exception of type 'System.ArgumentNullException' occurred in Xamarin.Forms.Platform.WinRT.DLL" exception. While doing implementation in Windows 8.1 project using Xamarin....

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Anyone tried a Camera Crop / Resize Overlay?

We're currently using Xamarin forms for an app where you can take a picture and store it on the database. We're using XF Labs (https://github.com/XForms/Xamarin-Forms-Labs) for the camera function and...

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Your experiences with update to Win10 + VS2015…?

Hi all I work with Win 8.1 and VS2013 Update 2 and XF 1.4.4 “stable” and XLabs right now. On the base of various reasons, I have to update to Windows 10 and VS2015 in the near time. As we develop also...

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NavigationPage.Pushed isn't being raised on Navigate.PushModalAsync calls...

... and similarly, NavigationPage.Popped isn't being raised on Navigate.PopModalAsync calls. In my mind modal navigation is a visual implementation detail, so I would expect the Pushed and Popped...

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Consistency error: you are calling a UIKit method that can only be invoked...

Got an issue report from Insights. Can't find any clue about this. Please advise.! UIKit.UIKitThreadAccessExceptionUIKit Consistency error: you are calling a UIKit method that can only be invoked from...

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Notification with the aplication in background

On iOS: With the application closed, when I tapped in a notification in the Notification Center, my application is created and I can read the info of the notification and treat the action. With the...

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(the ever popular) Xamarin.Forms TabbedPage navigation question

Hi, I defined a TabbedPage as shown below. I would like to find out how I can navigate from the different tab child pages (e.g. MainMenuPage which is a NavigationPage) to other child pages...

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Relative layout behavior or creating custom control.

Hello. I'm trying to create message contol wich should look like this: http://imgur.com/bl2HWsf I think it should be relative layout where I will add CircleImage, Frame with rounded corners and...

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Null Exception when calling Navigation.* (Push, Pop, PopToRoot)

Forgive me if this question has been answered before, but I did some searching and all I could find is some iOS stuff. I'm working on an app where you can take a photo and upload it to a cloud...

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