Preload images in ListView
I have a listview that simply displays images. One after another. It's basically an where Url is a simple string. What I'm seeing is that the image is not loaded until the image scrolls into view. I...
View ArticleAccepting Android Voice Input
Trying some basic SearchBar with Map example. I'm running into odd behavior when accepting voice input as built into Android. I see the search bar populated with the text I'm speaking, but then it...
View ArticleBinding in code
Hi, in this documentation https://documentation.devexpress.com/#Xamarin/clsDevExpressMobileDataGridTemplateColumntopic there are example code for binding using devexpress gridcontrol. In the...
View ArticleAnimating Height Of box view
This is my first foray into Animation for my Forms App. I have seen loads of examples for scaling box views, but thee all seem to scale both heigh and width. I want to scale just the height with...
View ArticleMVVM without xaml (binding issues)
Hi, I'm playing around with some code, trying to achieve the same thing with what I have already done with xaml, but now without it. So first of all I have simply created two .cs files one...
View ArticleListView: ScrollTo Header
Hi everyone, how can I scroll my ListView to the top when I have a Header so the Header is actually shown too?
View Articleresize images from the internet Xamarin forms
Good morning , I'm in big trouble , in my Image.Source 'm using ( "http: ... image ) , so far tuo well, but some images are coming very large thus causing the application to stop working , someone...
View ArticleOpen a Windows Page using Forms
Hello, Is this possible? I want to go to a Windows 8.1 page from a Xamarin.Forms page, and be able to handle .cs and .xaml native files (my intention is to develop a cross platform with maps, but...
View ArticleiOS remove ToolbarItem doesn't refresh the toolbar?
On Android works fine, but if I add an ToolbarItem on iOS and eventually remove him, it is still showing on the tabbar. And if I click, crashes my application. There are anyway to force a "refresh"?...
View ArticleOne ImageView in the center of another ImageView
Hi! I would like to show one ImageView in the center of another ImageView. I created ImageView myView and then use this code: myView.AddChildrenForAccessibility(new List<View>() { newImageView});...
View ArticleIs there a way to disable the background on the DisplayActionSheet?
Hi all and many thanks in advance. I'm dealing with an issue on how to disable the background on a DisplayActionSheet or DisplayAlert. Do you know if there's a simple way to do this? I've been looking...
View ArticleDebuggee returned error code 200.
Hi everyone I'm getting this error when I try to debug a Xamarin forms application: Mono.Debugger.Soft.CommandException: Debuggee returned error code 200. em...
View ArticleAdjust Width of Master on MasterDetailPage
I am using the MasterDetailPage for the NavigationDrawer on Android. Implementing the functionality has gone perfectly, however the width is too large and i would like to adjust it. I have tried to set...
View ArticleCustom navbar/actionbar title font for both iOS and Android
Hi! I've been googling around for about an hour now and have found some solution for setting a custom font for the navbar, however I haven't found any on how to set the font on android. Has anyone got...
View ArticleImage Source in Xaml not working on WinPhone
I have the following code in a Xamarin Form (v1.3.4.6332) Xamarin VS Extension (v3.9.344): <Image Grid.Row="1" Grid.Column="0"> <Image.Source> <OnPlatform...
View ArticleXamarin Forms and Estimote SDK?
Hi, I'm planning to develop a simple/basic iOs and android app using the estimote iBeacon android and iOs SDKs: https://components.xamarin.com/view/estimotesdk...
View ArticleNullPointerException on Android when checking if declared task is running
I am using Xamarin Forms and have updated everything. The code below works great on the iOS Simulator but crashes on the Android Simulator (at least for API 16). I originally just declared the task in...
View ArticleOnScroll event in ScrollView
Anyone know if there is a way to hook into the scroll event in ScrollViews? I want to add infinite scroll to a ListView, but without any way of knowing when the user reaches, or getting closer to, the...
View ArticleXamarin Push Notifications
I know how the Push notifications work in Xamarin (Android) and how to give the Push Notifications an Intent to open an android activity. Is there a way to instead of opening an Android activity to...
View Articleruntime binding errors
Where does xamarin studio log the runtime XAML binding errors? When I worked with VS, years ago, the binding errors were in the output window.
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