How to evaluate the DisplayAlert return
Hi! I'm trying to evaluate the bool value returned from a DisplayAlert to decide whether to stop or not an ActivityIndicator, but can't evaluate the returned value in an if statement. I'm launching the...
View ArticleCan bulk movement of a listview's items be done?
Suppose I change the ordering of the elements, but I don't want to just reload the items; I want to animate the movement. Can it be done? ObservableCollection has a Move method, but no bulk methods...
View ArticlePCL for "System.Text.ASCIIEncoding.ASCII.GetBytes"
I'm trying to call in a PCL common project: System.Text.ASCIIEncoding.ASCII.GetBytes **ASCIIEncoding **doesn't exist though. Where is it?
View ArticlePaying it forward
I have really enjoyed working with Xamarin Forms and all the work that's going in to make it better. I wanted to help out by open sourcing some of my work :...
View ArticleXForms notification or backgroundworker ?
Hi everybody, i have an application composed of severals screen. The main page start on login page. Then, there is a TabbedPage composed of severals page (news, F&Q, etc). My application use remote...
View ArticleImage TapGestureRecognizer in ListView binding CommandParameter bug.....
I have a project is two columns in Listview show product, Look like this. When I tap Dress_001 TapPhotoEvent will get the binding parameter ID=1, Dress_002 get ID=2, Dress_002 get ID=3 ..... Andorid...
View ArticleGlobal Resources in xaml
I followed the instructions xamarin form styles walk through. Here is my app.xaml <?xml version="1.0" encoding="utf-8" ?> <Application.Resources> MPS Mobile Driver...
View ArticleTest of Xamarin
Hi, I just downloaded Xamarin, created a project using Xamarin.Forms Shared resources, i build to see if it works ( i'm new to dev and have a starter licence ), and i can't even see if it works or not...
View ArticleViewCell Foreground text color changing to white
Hi @TheRealJasonSmith , I am using a ViewCell in a Grouped ListView which has some images and labels. When i scroll my list for two or three times, label color starts changing one by one to white color...
View ArticleCannot install Xamarin.Forms.Labs.Core
Hi, I'm trying to install Xamarin.Forms.Labs.Core version 1.2.0 (latest) from NuGet, but getting an Operation Failed: Could not install package 'Xamarin.Forms 1.2.3.6257'. You are trying to install...
View ArticleSQLite Android : All data are removed sometimes after rebuilding.
Hello , I found out that when I rebuild a solution and run it on an emulator or real device , all my stored data are removed, I suspect that the db3 file is recreated again. I would like that my data...
View ArticleListView ItemTapped issue on Windows Phone
Hi, we encounter an issue ItemTapped event of ListView on Windows Phone, still with 1.3-pre3. The event doesn't fire if tapping two times on the same item: basically on WP behaves as ItemSelected...
View ArticleLink native assembly
How can I link a native assembly to a Forms project and them consume it with c#?
View ArticleBlank App(Xamarin.Forms Portable) not creating windows phone project
When i create Xamarin.Forms Portable app its not creating winodws phone 8 project I using : 1) VS professional 2013 + update 4 2) Winodws phone 8 SDK is installed 3) Xamarin 3.9.236.0
View ArticleCustom ListAdapter
Hi, New to Xamarin and have a question on building a custom list adapter. I have an ImageButton in my ListAdapter that instantiates a .Click event to show or hide more information. Issue is that when I...
View ArticleLandscape Mode for one page only in Forms 1.3+ in iOS
I need to force landscape mode only on a few pages in my app. Previously I created a Landscape controller in my iOS project that I used to make this happen. However, with the changes in the Application...
View Article"LinkAssemblies task failed" after upgrade to Xamarin Forms 1.3.4
I just used Nuget to upgrade my Xamarin Forms from 1.0.6186 to version 1.3.4. This project which was functional, will now no longer compile. It is a fairly vanilla install of VS2013/Xamarin. Nothing...
View ArticleCannot deploy the application on my iPAD
Hi , I am getting the following error while deploying the application. I have followed the steps mentioned to create certificates, provisioning profiles etc. the error message is writeDictToFile:1249...
View ArticleCustom WebView Renderes is called, but Delegate is not working
I defined a delegate for a Custom WebView Renderer and assigned it – but the override methods are never called. Below my code. Any idea? Thanks for any help. using Xamarin.Forms.Platform.iOS; using...
View Article