Xamarin Forms Bootstrap Fuid UI Design
Hey, is there for Xamarin.Forms a fluid Desing like Bootstrap possible? For Example if i start the app on a big Tablet i can display two Buttons side by side. And if the devise is smaller like an...
View ArticleFloating menu with forms
I am trying to create a custom control in forms based on this Xamarin control https://components.xamarin.com/view/liquidfloatingactionbutton However, I can't even get to compile any custom renderer...
View ArticleFull Screen Image Viewer (with Pinch to Zoom, Pan to Move, Tap to show...
I'm working on a full screen image page that supports pinch to zoom, pan to move and tap to show captions. I'm basing this on how image viewer works in apps such as Facebook and Yelp. My code is built...
View ArticleSharing violation on path PropertyStore.forms.tmp
I am seeing a huge upswing in reports of this in Insights in the past few days - seems to be mostly on Android, not iOS the stack trace is System.IO.FileStream.ctor(System.String path, FileMode mode,...
View ArticleChat Application
Hi guys, I'm trying to create a chat application on Xamarin Forms. I've been having problems with the UI. I have created a Renderer for the ViewCell however I've been having a problem with placing the...
View ArticleAppCompat does not resize screen with keyboard.
Given a simple ContentPage with an Editor at the bottom and a list as the first item (Stack with list and Editor), I cannot get the page to be the correct size. I can put the stack into a scrollview or...
View ArticleBlank Xaml APP (Xamarin.Forms Portable) vs Blank APP (Xamarin.Forms Portable)
Hi, After installing "Xamarin for Visual Studio 4.1.0.530", I noticed a new Solution/Project Template in the Visual studio 2015 create Project window under "Cross-Platform". and that is "Blank Xaml APP...
View ArticleMobile App, Offline and Online modes
How to design xamarin mobile app to support offline and online modes. When the app launches check for network status if it online then call rest api and get the response and store in the mobile sql...
View ArticleHow to use ContentResolver to execute a query to find an existing calendar...
I have used the dependency service to add an event in android calendar. How can I check any particular event exist on particular date and time or not? My code : var calendarsUri =...
View ArticleHow to make pictures load more efficiently
Currently I am using a Xaml Grid With the same Image of an empty circle roughly twenty times and an invisible version of that same image where the center of the circle is highlighted. The purpose of...
View ArticleHow do I change the background color in ListView cells without losing haptic...
Earlier I asked why my ListView has no haptic feedback (ie. background color changes when touching an item). It turns out that setting BackgroundColor in a ListView ItemTemplate causes haptic-feedback...
View ArticleInApp-Billing
Hey folks, as I'm taking huge steps to release our app, I'm now at the point where I have to implement a payment function. And I was curious if anyone here used the InApp-Billing Components from the...
View ArticleHow to put margins on AbsoluteLayout element
I'm trying to position an element 50 units from the left and right sides of the screen. The height of the element is 50 units also, but the width should take up all of the screen width excluding the...
View ArticleFormattedText binding will not update?
I am using Visual Studio 2015 PCL with the following code to bind a Label FormattedText to a property in viewmodel and the property value changes when a button is selected. This code works great in...
View ArticleBind LayoutBounds of AbsoluteLayout
I've downloaded a XAML sample of a demo that Xamarin provided of a ListView displaying a determined class (NamedColor). I've adapted that code and now I would like to have my label (which is inside the...
View ArticleWCF Consuming
I am not being able to accomplish a the consuming of the WCF service that I created and I don't know what more can I do. I've made a simple service that consists in a connection to my local SQL Server,...
View ArticleSign and Distribute
Hi all, I am currently using Xamarin Studio 6.0.2. When i try to sign and distribute my forms project , i get to the pop up window where it asks for google play or ad hoc , if i select either one, when...
View ArticleHow do I make a button fire when it is pressed rather than when it is released?
I am making an app that requires correct timing to score points and at the moment it feels off because the button fires on release and not on press so it seems like the button is being pressed later...
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Set TabbedPage icons at runtime?
I'm trying to implement an interface to let my user know when certain data has been flagged. The cleanest way to do this is by changing the icons in my TabbedPage - which I'm having some trouble doing....
View ArticleSystem.NullReferenceException when resuming app in Android 5.1
Hi all, I'm currently pulling my hair out over an error occurring in my Xamarin.Forms App. When I leave the app (hit the home button), and re-enter I am getting a "System.NullReferenceException: Object...
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