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Custom Navigation with Xamarin.Forms
I’m working on an application for Android and iOS, which requires a certain flexibility for one or two views. That’s why we created & implemented a service that translated a basic list of objects...
View ArticleQuery data including image from json webservice and show in image-object...
Hi all To show images from our central datastore in Xamarin.Forms is a "major case" for us to go with Xamarin. I try now for day's to display an image in Xamarin - without success - I am desperate and...
View ArticleIcon - navigation page
Hi, I would like how do change icon in the Navigation Page and how set orientation center. Thanks
View ArticleNavigation bar weirdness
*Just tested with Android I have a MasterDetailPage, from the detail page I navigate(PushAsync) to another page. The navigation bar for the new page works as expected. Now from this page, lets call it...
View ArticleForce RelativeLayout Size
Hi! I'm trying to create cross-platform scrollview with the ability of zooming and panning its content. I'm using a RelativeLayout as the content since I want to set the absolute positions of every...
View ArticleViewRenderer For iOS Map
I realized that xamarin.forms.maps is missing a lot of customization features, so I was trying to make a viewrenderer which would display the MKMapView from Xamarin iOS, but I cant seen to get it to...
View ArticleVS Xamarin.Forms Shared Project template doesn't provide a __IOS__...
By default, if you run the Blank App (Xamarin.Forms Shared), there is a WINDOWS_PHONE compilation symbol and a ANDROID compilation symbol, but there is no IOS compilation symbol. The WINDOWS_PHONE...
View ArticleHow should iOS Webview Scaling work?
I downloaded the iOS (non-Forms) Loading_a_web_page example, which loads Xamarin.com. When testing it, if ScalesPageToFit is true then the entire width of the web page fits in the simulator's screen;...
View ArticleHow to keep BaseView's propertiesbinding and event when using CustomRenderer...
public class JVFloatLabeledEntryRenderer : ViewRenderer<JVFloatLabeledEntry, JVFloatLabeledTextField> { // JVFloatLabeledTextField is a custom ios UITextField var newView = new...
View ArticleTabbedPage tab bar color
I could not find any method to set the tab bar color. Maybe implement a custom renderer is a good idea, the code I write below on android platform, it crash; Does the ViewGroup I should use in this...
View Articlememory usage very high............
i found that Forms app 's memory usage is very high. even a simple app without content . i create a image list in a scrollview within a content page . it consume more than 100mb memory ..... i really...
View ArticleNested bindings?
Effect is as follows: A A1 A2 A3 ..... B B1 B2 ... C C1 C2 ...... How to achieve this effect? I used the listview nested listview, but can not bind a second listview
View ArticleDisable auto hide keyboard in Forms
Hello to all So I've been having this issue lately where I'm stuck on how to disable the auto hiding of keyboard in a Form Page. What I want to achieve is that I have some Buttons next to an Entry...
View ArticleNavigating from Within an async task doesn't seem to work?
So I have a task in a RelayCommand in my VM like so: Task.Factory.StartNew(async () => { var picture = await op.ImportPhoto(); try { ViewOperations.Navigate(new MyPage()); } catch (Exception ex) { }...
View ArticleStrange lines on ListView when change background color.
Hi, I have this strange situation. I created a ListView with a custom ViewCell and it works perfect. Then I try to change background color (as you can see in the attached image) but now there are some...
View Articleawait Task.Delay() doesn't seem to work in a Page constructor
I've been playing around with Xamarin.Forms (using the PCL project template), and ran into the following issue. var food = new Button { Text = "Food" }; Task.Run(async () => {...
View ArticleScroll to bottom of ListView / start at bottom
Using a ListView, how can I scroll to the bottom of the ListView. What options do I have with a Xamarin.Forms.ListView to accomplish this for iOS and Android users?
View ArticleHow can I make ListView rows automatically expand vertically based on row row...
Is there a way for ListView to automatically set Height on each row based on it's content, without me having to explicitly specify RowHeight = X?
View ArticleReBinding entire object, is it acceptable to simply set the BindingContext...
So I have a situation where I update a ViewModel based on the Messenger. When the messenger get's a new message, I rebind the entire View to the new ViewModel. First I tried this...
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