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How can I develop with an third-party SDK of Objective-C code level into my App?

Is it Xamarin.Forms projects would create an XCode project all at once, or any other ways to make an native code SDK access? For instance, if I would like to develop Facebook SDK access into my...

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choose number of lines for a label

Hi, I am building a custom cell for my listview and want a label with text that is maximum 2 lines. Is this possible?

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How to center things Vertically in a StackLayout when the orientation is...

Hi, I was wondering how to center things in a StackLayout. I can set the orientation to StackOrientation.Vertical and set the VerticalOptions to LayoutOptions.Center, but the items are only centered...

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Null Reference Exception

Am creating a UI component , i have got a itemsource of type ObservableCollection in my sample , which am storing as DataSource of type (object). So now when i try to do (DataSource as...

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Do i know When to use Relative Layout And when to use Absolute Layout

Hi, May i know when to use Relative Lay out and when to use Absolute Layout

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Custom Renderer in external DLL not working

Hi, I have a custom control & renderer (based on WP's checkbox) that I want to re-use. So I set up a PCL with the control definition and a project with renderer implementation. All works well, with...

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iOS Ad-Hoc build 0 bytes?

Hi, Im trying to build my IPA with distribution Provisioning profile but the resulting IPA ends up being 0 bytes? Hmm, any help? tips? Thanks!

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Bug in UriImageSource when loading the same image at the same time

If you have several images on a page, all with their source set to the same url then I get the following crash: Unhandled Exception: System.IO.IOException: Sharing violation on path...

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How to store the image path in SQLite database and Xml schema in...

I have to store the image path in database. i am working on Xamarin.Forms PCL project. I am very confused with how to store image path in database.because in android image should be placed in...

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How to refresh or reload the tableView?

I am looking for a method to refresh tableview in Xamarin forms , after I remove a cell. How to do this in Xamarin form? Anyone? Here is my source code: `var myCustomControl = new MyCustomControl {...

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How to get long live access token from facebook ?

Hello, We have working in on facebook authentication using "OAuth1". we need to facebook long live access token. can any one have any idea how we get long live access token from facebook in Xamarin...

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Localization

Is there an easy way to localize resources and strings used in XAML or I should update Text, etc properties to correct value from code behind?

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JNI RegisterNativeMethods: attempt to register 0 native methods

(Android) After updating Xamarin.forms from 1.2 to 1.3.2 (stable) all my renderers have been broken and now it's write this into application output. [art] JNI RegisterNativeMethods: attempt to register...

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Status bar strange behavior on iOS

Hi all, I noticed that when I open my xamarin forms app, the iOS status bar becomes bigger. How I solve this issue? thank you very much

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How to run a Xamarin.Forms Application on an Android Wear Device

Is it possible to run an Xamarin.Fors.Platform.Android.ForsApplicationActivity on an Android Wear Device? The call base.OnCreate(bundle) in the constructor of my class always throws an RuntimeException...

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Customrenderer for ListView Android

Hi I am writing an application in xamarin.forms that contains a Chat function. I implemented this with a listview in xamarin.forms but the performance of listview is horrible if you have photos in it....

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AbsoluteLayout.LayoutBounds units

I have an image which I want to place at an absolute position on the screen. <Image Source="{Binding Mark}" AbsoluteLayout.LayoutBounds="{Binding MarkPosition}" AbsoluteLayout.LayoutFlags="None"...

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DeviceInfo plugin, iOS, and TestFlight?

I am using @JamesMontemagno 's great DeviceInfo plugin to get the device info. It works fine for Android. I get a unique Id (CrossDeviceInfo.Current.Id) for each device whether I deploy it directly or...

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Xaml does not support Nullable type property, doesn't it?

I have a class with a Nullable type, public class MyEntry : RelativeLayout { public static readonly BindableProperty MyEnumProperty = BindableProperty.Create<MyEntry, TEnum?>(p => p.MyEnum,...

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How to implement Pull to refresh [Programatic way = not XAML]

Hey guys I am totally new to Xamarin and C# and I need your help on how to implement the Pull to refresh in programatic fashion. I searched whole internet for some tutorial on this but i didnt find...

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