No property, bindable property, or event found for 'Converter', or...
No property, bindable property, or event found for 'Converter', or mismatching type between value and property. There is my code: and controls:LabelIem code: #region RightText：右文字 public static...
View ArticleSelected Item Event not raised with a personnal picker control
Hello, I have create an Enum Picker to used enum in pickers. I don't understand why my first pick on the Picker not raised the property changed. I attach the example at this post. MainPage.cs namespace...
View ArticleCustom controls not working in ListView.HeaderTemplate
I have a list that has a custom control used in it, and it works great, but for some reason I can't use the control in the ListView.HeaderTemplate. I am passing in a Binding of ".", because if I don't...
View ArticleSetting Icon File Names as Resources
I was trying to get all of my icon file definitions in one place so that it would be easy to swap icon sets in the future. Since I use XAML for my page definitions, I thought I'd make a...
View ArticleHow to write unit tests and assert asynchronous functions in my Xamarin.iOS app?
I followed this documentation to get started with unit testing my Xamarin.iOS app on the mac. I wanted to write unit test to assert async function to check if web service response succeeds or not. I...
View ArticleWhy doesn't propertyChanged fire when the default value is null?
This is a formated version of this question as I cannot edit it I have this attached behavior: public enum TextType { Email, Phone, } public static class Validator { public static readonly...
View ArticleChange Formatting of Tabbed Page Title Text for iOS case
In the case of iOS the title text of Tabbed pages looks too small. Furthermore, the visual is different from device to the device. For e.g. in the case of iPhone X it is centered well, however, in the...
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Consume native android library in Xamarin Forms that is UI element
I'm attempting to create and consumable native android library for in my Xamarin.Forms project, native lib is here: https://github.com/florent37/DiagonalLayout I've created the binding library project...
View ArticleBrainTree SDK Bindings for Android & iOS
Hi everyone, Yet another binding for BrainTreePayment SDK, a PayPal service. Please check out and report issues if any. iOS SDK iOS DropIn Android SDK Cheers.
View Articlepush notifications on xamarin.forms
Hello guys , im new on xamarin. I have been requested to implement push notification for android and ios on existing xamarin.form project using azure hub. I have been reading some example and...
View ArticleSave file to shared folder.
Looking for advice on how to save a file (or move a file) from app folder to a shared folder. The users of my app enter data (SQLite) and when complete i want them to be able to export data to a text...
View Articlehow to back up sqlite database?
my code: string sourceFile = Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal), "my.db3"); var bytes = System.IO.File.ReadAllBytes(sourceFile); var fileCopyName =...
View Articleopenlayers in webview format in xamarin problem
We implemented openlayers in webview format in xamarin. And when I capture by adding capture function to xamarin, the map part of openlayers is white and there is no response to xamarin when I use...
View ArticleJson array to Picker in Xamarin Forms
Hello, What Im trying to accomplish: scan the qr code -> get the data from the api -> display that in picker. For past 2 days Im trying to accomplish following thing: 1)Get json data from my api...
View ArticleCan only XAMARIN.Forms connection to SQLITE database without WebServices?
I connection the sqlite database by this way : FoodData database_Food; public static FoodData Database_Food { get { if (database_Food == null) { database_Food = new...
View ArticleXamarin Android wearable wifi connection
Hi, I'm new to Xamarin Android Wearables, and I want to now if I can develop an app that comsume some RestService using WIFI. Once a have a response then y change some layout color on my Listview...
View ArticleImplementing font size with slider in Xamarin Forms webview
Hi everyone, I have implemented the font size with slider functionality in Xamarin Forms webview. Normally, the height of webview doesnt auto-fit content size, so I have used a custom renderer...
View ArticleEither just use events or your own delegate:...
Hello, When I try to run my maps application I get the following error. Event registration is overwriting existing delegate. Either just use events or your own delegate:...
View ArticleCan Xamarain.Forms connection to MS SQL without WebServices? --...
I am connection to SQLITE database in this way now: (我現在是用這個方式連到SQL) public static FoodData Database_Food { get { if (database_Food == null) { database_Food = new...
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