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...
View ArticleCustom 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...
View ArticleKeyboard 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...
View ArticleDependencyService 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...
View ArticleIMAGES: 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...
View ArticleIOS - 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...
View ArticleTapGestureRecognizer 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"...
View ArticleXamarin.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...
View ArticleTextChanged 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...
View ArticleIs 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...
View ArticleSFSafariViewController 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...
View ArticleUpdateIsEnabled 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...
View ArticleQuickstart-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",...
View ArticleXF 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...
View ArticleShow XLABS Pop up layout in On Appearing(page load)
Hi, How to show XLABS Pop up layout in On Appearing(page load). Thanks
View ArticleUpdate 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...
View ArticleAnimating 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...
View ArticleSystem.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); .....
View Articlehow 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
View ArticleXamarin 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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