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OnStart, OnSleep, and OnResume not called

Hello, I created a Xamarin.Forms Shared application and noticed that OnStart, OnSleep, and OnResume are never reached. OnStart should be called in Xamarin.Forms.Forms.Init am I right ? Why are all of...

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Accessing REST API -- Refit

I am very new to mobile dev, so please forgive my basic question. I have developed an API and would now like to use Xamarin.Forms to consume that API. I'm using Refit because it simplyfies calling each...

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Adding Pull To Refresh to ListView for iOS :)

I love pull to refresh and I wanted to add it to iOS. Mark's video is awesome showing you how to use custom renderers, so I applied his practices to iOS:...

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Navigation Bar Showing and Hiding on Android - Change/remove animation?

Hi, On my Xamarin forms app I've got a main page which has no navigation bar, but then you can drill down into sections which are pushed onto the navigationpage stack, these need a navigation bar with...

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Geolocator, Can I access to two simultaneous tasks?

I have one task on the screen with the map accessing the Geolocator, Its Work!, but also open another page can not receive the coordinates, anyone have any idea about what's going on? Plugin:...

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[WinPhone] DatePicker bug/best practice

Not sure if this is a proper bug, or should merely be a note of caution/best practice. I've confirmed this in WinPhone under XForms 1.4.4.6392, but NOT Android. I suspect this is because Android uses a...

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WinRT 8.1 crash on Init(e) on Xamarin.Forms 1.5.*

Hi. I have used Xamarin.Forms on Android, WP8.0 and WinRT8.1 When I upgraded Xamarin.Forms from 1.4 to 1.5 WinRTstop working. I got this error when calling Xamarin.Forms.Forms.Init(e): Error HRESULT...

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How can I maintain a global list datasource? It has a bug now..like The...

I got an issue reported in Xamarin Insights. Java.Lang.RuntimeExceptionThe content of the adapter has changed but ListView did not receive a notification. Make sure the content of your adapter is not...

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Getting Exif Data from XLabs MediaPicker

When I get a media file from the MediaPicker the Exif data doesn't seem to be populated. Is there something special I need to initialize to get this data? I am not inheriting XFormsApplicationDroid in...

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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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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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TableView Editing Mode

Is there support for getting a TableView into editing mode? I tried using a TableViewRenderer and putting the UITableView in this.Control into editing mode, which only sort of worked. And setting the...

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Is there a way to tell if an item is currently visible with a stack layout...

I was wondering if there is a quick property for a ViewCell to tell if it is currently on screen or if the scroll view currently would need to be scrolled to see the item?

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XAML Binding and Attached Properties (AbsoluteLayout in my case)

In XAML only I can't get this binding to work (the layout bounds don't get updated when the source property changes): <BoxView x:Name="leftCropBox" LayoutBounds="{Binding LeftCropBox, Mode=OneWay}"...

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How do I change the color of a selected item on a ListView?

I'm creating a ListView that has some simple items inside a ViewCell. When I select one of the items it becomes orange. When I click and hold (to open the context actions) it becomes white......

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Starting and cancelling an asynchronous task

I have a XAML-based Xamarin.Forms page with some buttons bound to commands (implementations of the “System.Windows.Input.ICommand” interface) defined as properties of my ViewModel, which is in the...

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How to send email in iOS using Xamarin Forms - iOS project?

Don't give me the Xamarin recipe link for Send an Email. That doesn't work for Xamarin Forms. Help me with something that works in XF.

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I have all my assets in SVG format. How can I convert them to a XAML or...

I'd love to switch to Xamarin.Forms to make crossplatform apps, but I have all my graphic UI assets in SVG format. Here is an example of a buttons set created by me with Inkscape: ] You can download...

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Gettting error while building Android application in VS2013

Getting following error while building Android application in VS2013 : Could not find type 'Org.Apache.Http.Impl.Client.DefaultHttpClient' in assembly 'AndroidSDKLibrary, Version=14.0.0.27225,...

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