Image downloader...cause...android
I hit an interesting ... feature... today. Images from a social media site would not display in android. They displayed in iOS just fine. After much head scratching and forum spelunking I noticed that...
View ArticleViewCell with horizontal StackLayout Padding issue on Iphone 6 Plus
Hi! Im creating an app where im using a ViewCell that contains a horizontal Stacklayout for two labels (to get er horizontal Cell layout). Im giving the staklayout the following padding = new...
View ArticleDebugging on physical device does not replace app
I am trying to deploy a Xamarin.Forms Android application to a physical device for debugging. If I deploy the application to my emulator, make changes and then redeploy the application restarts with my...
View ArticleDate color always white on Android
I tried to change the color of the date in the Date picker in Xamarin.form android. It always display the page background color(white in my case).
View ArticleLabel value is not updated when INotifyPropertyChanged property changes
I noticed stuttering in my application when using Xamarin.Forms, and i must say GUI performance is very critical to my project. I narrowed down the problem by creating a simple application (see...
View ArticleListview.FooterTemplate cause NullReferenceException bug
<?xml version="1.0" encoding="utf-8" ?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"...
View ArticleAndroid app crashing on xamarin.forms.
i have the following output code View] [ANR Warning]onLayout time too long, this =android.widget.FrameLayout{423b9210 V.E..... ......ID 0,110-480,854 #1020002 android:id/content}time =828 [View] [ANR...
View ArticleGrid rows and Colums
Hi, I have a ListView.ItemTemplate with a Grid in it. I want the Label with the Binding Name over the whole first row and in the second row I want the Picker and the Labels with the bindings a,b in...
View ArticlePinterest Authentication in xamarin froms
Can anyone help me for tumblr Authentication in xamarin froms.I try to something like: var auth = new OAuth2Authenticator ( clientId: "1442181", scope: "read", // read_write authorizeUrl: new...
View ArticleHot to show Next button
Using Xamarin.Forms on android, how do I show a soft keyboard with "Next" button when Entry has the focus?
View ArticleDynamic GroupHeaderTemplate for ListView
I have a ListView and I need to choose the GroupHeaderTemplate dynamically based on some data. I've created a ListView that dynamically chooses DataTemplates for ViewCells using the...
View ArticleCan I create a StackLayout in F#?
In his Xamarin 3 F# Awesomeness blog posting, Dave Thomas shows a StackLayout being created: StackLayout.Create( [ Entry (Placeholder = "Username") Entry (Placeholder = "Password", IsPassword = true)...
View ArticleDifferent ContextActions on a ListView
I have a problem I want to bind differents ContextActions in a listview according to a data type. To do this I try creating two ListView but the problem is that each one creates its own Scrollbar and...
View ArticleSteema TeeChart>System.NullReferenceException: Object reference not set to an...
I am trying to use Steema TeeChart to create a gauge in my Xamarin Forms App. I have a test program from Steema that works fine, but when I embed the exact same code into my project, I get an error :...
View ArticleListView Header/Footer - databinding in code
I want to add a Footer to my ListView and databind it to a string on my ViewModel. The only examples I've seen do it with XAML, and I haven't had any success doing it in code. Does anyone have a simple...
View ArticleTabbedRenderer - ICONS are not showing when clicking in a navigation page and...
Hello, this is a tabbed render for show icons in Android, i can't see the icons when clicking in a navigation page and then click back (if i click in one tab can see the icons) public class...
View ArticleTapGesture for Xamarin.Forms.Switch?
Switch "tap gesture" does not fire even if I add a GestureRecognizer to Switch. I do not want the Toggled event handler. The Switch inside a Listview. Any thoughts?
View ArticleDevice.StartTimer on Android
I am having issues with Device.StartTimer in my PCL project on Android. I have a TabbedPage application. One of the tabs has a timer which fires off every 10 seconds. But, the timer is set to OFF when...
View ArticleControl camera
Hi, It is possible to control the device's camera using Xamarin forms ?. I would like to make an app that displayed the stream of the camera and when the User click on a button it takes a picture. The...
View ArticleMasterDetail page ☰ icon
I have an app with a login page, then after user logs in, I set App.MainPage property to a MasterDetailPage, with detail being a TabbedPage. Why do not iOS and Android show the "hamburger" ☰ icon, but...
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