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How to Convert image into byte array and then stream?

i want to convert an image into byte array and later on into stream..

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Xamarin.Forms iOS Universal App

Hi Is there any way to create a Xamarin Forms app targeting iOS Universal Apps like you can with Xamarin? [http://developer.xamarin.com/guides/ios/getting_started/hello,_ipad___universal_apps/] If not...

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How to customize xamarin.android or xamarin.ios control?

How the forms custom control? For example, http://components.xamarin.com/view/signature-pad There is no demo, also need to render? How to render

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Problems in iOS with MessagingCenter.Unsubscribe in Page.OnDisappearing()

My app uses XF 1.3.4 with XLabs 2.0.5520 and the MVVM pattern. Consider the following scenario... Page A is an item-list page Page B is an item-detail page with an EDIT button Page C is an...

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NSOutlineview crashes each time!

I have been trying to build a Finder like app. The folders has been mounted in the outline view successfully, but however when trying to operate on it, it crashes from time to time. Sometimes, i just...

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NSOutlineview crashes each time!

I have been trying to build a Finder like app. The folders has been mounted in the outline view successfully, but however when trying to operate on it, it crashes from time to time. Sometimes, i just...

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Placing a SearchBar in the top/navigation bar

In a Forms project, is it possible to place a SearchBar such that it appears in the top/navigation bar of the app? As an example, consider the main page of the Android Youtube app (attached).

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Migrating a forms app to the unified api is full of fail.

The project is currently using forms 1.3.4, and I have tried to convert the iOS portion to the unified api both before and after moving to 1.4.0. Neither seems to work. The type...

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MultiPage stack pages?

Hello! Im using MultiPage and have added 3 pages. 1 custom top bar (ContentPage), 2 navigation page and 3 is a custom buttom bar (ContentPage). The bars should always be there and thats why Im trying...

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forms 1.4 android 4.0 error admin help

I just put the version set to 4, the forms 1.4 upgrade, why would the Android error, IOS is good, I'm Chinese, English is not good, feel shy

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Android error navigation.pushmodalasync (New FRM _ hand ()); IOS no problem,...

Android error navigation.pushmodalasync (New FRM _ hand ()); IOS no problem, login, login later do not want to return to the login page. How to do? Navigation.PushModalAsync(new frm_Main());...

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Failed to compile the generated registrar code

When I try to debug on my iphone I'm getting the error in the title. The console has: :4305:86: error: cannot find interface declaration for 'UIAlertController', superclass of...

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Downloading image from URLs

Hi, im using This Solution to download and save image from url. This Recipe works fine, but when i pass url from a list(iterating using foreach loop ), this code give NullReference Exception, Because...

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Grid row height binding does not work

Basically in the XAML below, the binding is ignored and the property Get never called. There are also no binding related messages. <Grid > <Grid.RowDefinitions> <RowDefinition...

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ContentPage PushAsync MasterDetailPage?

Login interface is ContentPage, after successful login, how to jump to the MasterDetailPage?

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Avoiding overly aggressive linking

Hi All, I recently had a problem where a default view constructor was not found in my iOS deployed app (on the device). This was due to the linker settings and the static analyzer not picking up the...

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Page navigation

When my app first starts up I have it display a login page. In the login button if they are able to login I want to then remove the login page and navigate to a tabbed page. In this tabbed page I'll...

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How to lock a single page to landscape orientation?

I have been researching and experimenting all day on this. I found some info but nothing has worked. I am primarily concerned with iOS at the moment. I have tried creating a custom pagerenderer and...

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Change Button image of Button for ViewCell in ListView

Hi Xamarin Experts, I know how to bind a Command to a button function from a ViewCell item (using <Button Command="{Binding DeleteCommand}"... ) But how can I bind to which image I want to display...

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How to reference ContentPages inside OnSizeAllocated on a MasterDetailPage...

Anyone know a way to reference the ContentPage in the MasterDetailPage.Master inside OnSizeAllocated on a MasterDetailPage? I need the background image to scale properly and defining it on the...

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