Auto-Connecting the BLE characteristic with ObservableCollection
I am using Xamarin.Forms, to build a cross platform BLE app. It is based on this example app using the Monkey.Robotics plugin. All the examples use an ObservableCollection<IDevice> devices; line,...
View ArticleHow to import facebook contacts
In my xamarin forms application i need to login with facebook account and retrieve all the contacts and display it in listview. Any help on this?
View ArticlePublication of Android App Failed using Xamarin Studio
I'm using Mac with Xamarin Studio version 5.9.5 to Archive for Publishing my Android App. I followed the steps in "Part 1 - Preparing an Application for Release" to publish the app but I encountered...
View ArticleFrame.BorderRadius
Is there any way to change border radius on Frame? Or maybe there is another static control with rounded corners?
View ArticleXAML / Self binding, bindableproperty
Hello, I want to bind the text property of a editor element to BindableProperty. Here is what I tried: MyForm.xaml <?xml version="1.0" encoding="UTF-8"?> <ContentPage x:Class="Com.Acme.MyForm"...
View ArticleXAML / Self binding, bindableproperty
Hello, I want to bind the text property of a editor element to BindableProperty. Here is what I tried: MyForm.xaml <?xml version="1.0" encoding="UTF-8"?> <ContentPage x:Class="Com.Acme.MyForm"...
View ArticleXAML / Self binding, bindingcontext
Hello, I want to bind the text property of a editor element to BindableProperty. Here is what I tried: MyForm.xaml <?xml version="1.0" encoding="UTF-8"?> <ContentPage x:Class="Com.Acme.MyForm"...
View ArticleXamSvg - Xamarin Forms WP project not showing SvgImage
Hey. My company purchased the XamSvg plugin in the hopes that we could get over the png-hell it normally is to develop for mobile. I've followed the instructions in the "Get started" and the samples...
View Articleproblem with carousel page
Hi I have a page with a picker with 3 values I fill a Carousel Page with 10 of this pages. I would like that, if I modify the index of the picker in page"1", all other pages have to change the index...
View ArticleNew to Xamarin Forms! Click button to refresh page!
Hi there, I'm currently making an app that grabs data from a REST services. I'm thinking of adding a button that once clicked will call the REST one more time and update the data on the page. My...
View ArticleCustom layout, override OnSizeRequest returns wrong height?
Hi there! Been making some customlistview by extending Layout and overriding some of the methods. For some reason the code below give me the wrong height, the height should be around 45, but it makes...
View Articlehow to develop a signature pad? with example.
hai , I am new to xamarin forms can any one send the solution of signature pad, I tried the example of signature pad of the link...
View ArticleHow to display switch in xamarin.forms on android lollipop version? like...
I want to display a switch control like that. but it is not displayed. please find the my solution xaml page: <?xml version="1.0" encoding="utf-8" ?> <ContentPage.Content>...
View ArticleParseInstallation.SaveAsync() causing UnhandledException on Xamarin forms...
Hi, I'm writing an Xamarin forms android application and implementing push notifications for the same. I am getting below mentioned stack-trace while calling ParseInstallation.SaveAsync() method in...
View ArticleXamarin.Froms.Maps when are you release a finshed version ?
Hi all, I'm kinda new in the world of Xamarin, i've bought this for my company after reading article about Xamarin.forms et Xamarin.forms.maps. Yesterday i was coding something very simple with a map...
View ArticleA good way to align controls in StackLayout
Hi, what is the best way for alignment controls in stack layout ? For example I want 3 labels in one horizontal stacklayout, label on the left, center and right. What kind of alignment should be used?...
View ArticleButton BorderColor not showing on Android 4.4
The title says it all. My code can be seen below. Button mybtt = new Button { BorderColor = Color.Black, BackgroundColor = Color.Transparent, IsEnabled = true, BorderWidth = 1, BorderRadius = 0, }; Can...
View ArticleChange pages and memory management
Hi all, I almost complete my app with Xamarin forms (I think that Xamarin.forms is really a fantastic tool, even if it has a lot of bugs). The result is really good, but now I have a problem with...
View ArticleSystem.Net.Http.HttpClient Timeout seems to be ignored
I am using Xamarin.iOS Version: 8.10.5.26 (Indie Edition) and facing a very strange behaviour with timing out requests sent with HttpClient(): The following code tries to get a result from an url, and...
View ArticleHow to use Sha/hash in Xamarin
I want to hash a String with C# in Xamarin. Normally i use: using System.Security.Cryptography; public string SHA512StringHash(String input) { SHA512 shaM = new SHA512Managed(); // Convert the input...
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