forms app device.openuri system exception in ios
Hi, I want to open a browser in iOS with my app with this line of code: Device.openUri(new Uri("http://www.google.com")); but when that line executes I get this error: Could not initialize an instance...
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Possible to support Images in NON root folder on windows??
Is there any way possible to support images that are in the Assets folder on Windows Phone? I have 50 to 60 different images and it is really annoying to not be able to organize them
View ArticleListView in Windows Phone causes Argument Out Of Range Exception
Hello, I am having the exact same problem, that was reported here: https://bugzilla.xamarin.com/show_bug.cgi?id=24681, which is: Attempting to remove the last item from the example list view causes an...
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Support for Windows
I know there is dedicated support for Android and iOS when you buy licenses but since you never actually buy a license for Windows there doesn't seem to be a support email or contact I know of for...
View ArticleStrange out of memory issue in media picker
I'm using following code to allow user to select image from device. var device = Resolver.Resolve<IDevice> (); var mediaPicker = DependencyService.Get<IMediaPicker> (); if (mediaPicker ==...
View ArticleText color change Alert Dialog
I'm trying to change the color of the text of the warning dialog button, but I have no success. I try to change the buttons are on the attached image My style xml: http://pastebin.com/aGuSN3by Someone...
View ArticleAfter implementing Material Design for Android, crashes app on start
Hi there, I implemented Material Design in my Xamarin.Forms app using both links, however in both cases when i run app, it crashes. Please advise...
View ArticleHow do I select an emulator to test on when creating cross platform? Beginner...
Hey all, I have created (its just the standard "Welcome to Xamarin Forms" page) an app using the cross-platform option and I don't seem to have the option of testing it on an emulator, its grayed out...
View ArticleXamarin.Forms: Hide and Show ViewCells in TableView
Hello everyone! I have a TableView with ViewCells. I need to show and hide ViewCell depending on situation from c# code. How to do that?
View ArticleImage doesnt show image from url
Hello I use Image in XAML and set to the Source URL. But in some cases, I don't see loaded image. The same URL. I can click back button and then navigate again, the image is loaded and I can see it. It...
View ArticleInitial support for a Xamarin "advanced" beginner
Hi. I'm a C#, Deplhi, Clipper and Pascal (among others) developer. I met Xamarin, and it was love at first sight, and I'm trying to learn with development challenges of serious applications. However,...
View ArticleHow to get the screen location (Bounds or Y) of an item in a listview using...
Is there a way to get the position on screen of an item (row) in a listview either from a selection or tapped event? Is there a way to get the position on screen of an item (row) using the index of the...
View ArticleCall UIImagePickerController from Xamarin.Forms portable
Hi, I have a Xamarin Forms app where all the UI is in a portable library. I'm trying to add functionality to pick a photo from the device so for this I have an interface class in my portable library...
View ArticleThe Name Navigation does not exists
Hi, I just encountered a strange error message. I try to Push a New Page on the Navigationstack from one of my ViewModels, but the Compiler tells me, that Navigation does not exist. Here is my File: {...
View ArticleBest way to create Thumbnails of images
Hi, I need the function in my app, that the user can pick an image from the image gallery and a Thumbnail of this Image should the be stored in a Zip-File. I have no problem accesing a stream of the...
View ArticleCan we add configurable urls in app.config file?
This is more about the standard practice ? Normally we put our urls in constant file in mobile apps? Unlike in web to make urls configurable they used to write inside app.config as key value pair?...
View ArticleIssue with resourcecache folder with Debug
Hello, This is my configuration : VS 2015 with Xamarin Android tools, API 22 and 23 with all android extras up to date Project with forms 2.0.0.6490 and all nugets packages up to date. My app is with...
View ArticleAndroid keyword not recognized
Hello, This is my configuration : VS 2015 with Xamarin Android tools, API 22 and 23 with all android extras up to date Project with forms 2.0.0.6490 and all nugets packages up to date. My app is with...
View ArticleiOS Renderer using the RightView property of UITextField
I am trying to create a custom renderer for a Entry subclass so that I can show a tick or cross when validation passes or fails. The approach I have taken is as follows: Created a behavior that...
View ArticleiOS default shadows?
Hello, Is there any way to disable the default drop shadows on ios? Every time I have a Layout or View with Transparent Background all items inside it shows a drop shadow. If I change the background...
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