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Push Notification Usando Json

good personal day hello , I'm in a pojeto creating a xamarin.fomrs app and I'm desperate, need to implement in my Push Notification project , rescebendo the alert by json notifications and not find...

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Custom Renderer not being called on iOS

Hello, I`m trying to take a photo from library and then send it to a crop view. To take the photo from library I use a custom renderer and it is working fine, here is the code: using System; using...

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Keyboard removes UI components behind it when navigation.pushAsync is...

Having a problem once i enter data into an Entry field and select a button which triggers the application to navigate to a new page, the keyboard hides and the UI components behind the keyboard...

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DependencyService and Referenced Projects

I've been attempting to create a class library for a set of services to be accessed in a Xamarin Forms application, using the DependencyService mechanism for each platform. I've been unable to...

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IMAGES: What steps to you guys do to get them right?

I find that working with images in a cross-platform manner is quite tedious. Android requires 5 versions of an image (ldpi, mdpi (actual size), hdpi, xhdpi, and xxhdpi). And iOS requires 3 versions...

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IOS - Invalid value for TargetFrameworkVersion

Hi!! I'm develop a app in Xamarin.Forms to ios, but when I try to publish the application to Local Hard Disk, always throw the error 'Invalid value for TargetFrameworkVErsion' I have read other threads...

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TapGestureRecognizer on Map. I'm I actually this dumb?

I've dropped a TapGestureRecognizer onto a Map in hopes of being able to trigger a legend_close method. It doesn't trigger (iOS or Android). <AbsoluteLayout VerticalOptions="FillAndExpand"...

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Xamarin.Forms use MessagingCenter with Login method

My app is a Xamarin.Forms PCL app using Profile 259. I'm trying to send a message to the user if the login fails due to a user name or password error. If the login fails, a catch block in the...

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TextChanged event of Entry control is not working properly.

Hi all, I have an Entry control. As I enter any number into it, the TextChanged event get called and the no. which I have entered in the entry, comes into NewTextValue. Suppose I enter "1" in the...

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Is there any way to force WebView to open embedded video in a native video...

I have a WebView on a page and the html can have embedded video's in it. On iOS it seems to load the video into a popup of some sort that can be made fullscreen etc. but on Android it just try's to...

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SFSafariViewController in Xamarin Forms

Being a newbie to this ecosystem I was wondering if anyone has successfully used the SFSafariViewController with Xamarin Forms. I'm sure a renderer is required and was interested if anyone has...

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UpdateIsEnabled Custom ViewCell error

I have a custom ViewCell that is disabled until another field has data in it. I have a Converter that sets the IsEnabled value based on it not being null. That converter seems to run fine and so does...

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Quickstart-guide to start developing with Xamarin(.Forms)

Hi all I have created a description (.pdf) how to start work with Xamarin(.Forms) and Visual-Studio. It contains a lot of information's for starters but also information's, like "how to use the forum",...

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XF Android : Could not load assembly Microsoft.Windows.Design.Extensibility

Hello , I have update Xamarin.Forms to 2.0.0.6490, But get this exception when compile: Exception while loading assemblies: System.IO.FileNotFoundException: Could not load assembly...

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Show XLABS Pop up layout in On Appearing(page load)

Hi, How to show XLABS Pop up layout in On Appearing(page load). Thanks

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Update previous page UI upon navigating back

I need to update UI on the previous page when PopAsync() is called. I'm using a static class to hold global variables. Based on the values, the previous page needs to update itself. I tried making UI...

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Animating toolbar item

Hi, How can I animate toolbar item? I think about very basic rotation. I want to show user if synchronization is in progress. I didn't find any solution and I don't have any idea how to start. Custom...

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System.IO.Compression It does not work - Microsoft.Bcl.Compression

I've a xamarin form project, when i use this code ... var re =await client.Execute(request); var gs = new GZipStream(new MemoryStream(re.RawBytes), System.IO.Compression.CompressionMode.Decompress); .....

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how can i recognize long press gesture in xamarin forms

Hi, Could you please let me know how can i recognize long press gesture in xamarin forms application. Also let me know how can i implement left & right swipe Thanks & Regards, Siva

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Xamarin forms application crash issue due to gradually increasing memory...

We are facing xamarin forms application crash issue. It’s a single page application which is built using xamarin forms and mvvm cross (prism) In our primary investigation we found that there are...

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