Unable to start a background service on device bootup
I am using broadcast receiver for starting a background service on device bootup.My AndroidManifest.xml content are as follows:- <?xml version="1.0" encoding="utf-8"?> <manifest...
View ArticleHow can I set imagebackground (I want to use bubble image for chat ) in label?
Label mytextlabel = new Label { Text= msg }; how can I set backgroundimage to mytextlabel. Image name is bubble_green. Below is the attached image of the bubble_green.
View ArticleBest practices to increase page loading performance
I have an app that contains a page to display some product data in a devexpress grid. There ist a decent amount of data, which causes the page to load very slow when calling...
View ArticleVisual Studio 2015 Xamarin Cross-Platform templates missing after latest...
I have done a latest Xamarin update on 21st jan 2018 and now the cross platform templates only showing the Test App. Please see the image from the below link. www.goic.org.qa/images/xamarin1.png There...
View ArticleCreating a never ending background service in Android ?
I have tried android services following way to create android services working fine.but I need creating never-ending background services in android services. So how can I run this service in background...
View ArticleXamarin is not being added to Visual Studio 2017
So I installed Visual studio 2017 Community 15.5.4 and I added Xamarin workload as specified in this link. I also added other workloads that I would need with that. However, Xamarin is not being added....
View ArticleFailed to resolve System.Void...
I'm trying to release a Xamarin.Forms application, but when I change to release in the configuration for the Android project and build I get the following error:...
View ArticleUsing HttpClient with Xamarin.Forms how to add "Request-type: NewMango"
how to add Request-type: NewMango I have tried with several forum and google but couldn't find solution can you please let me know how to add Request-type in Xamarin.foms? Thank you, Jitendra Jadav
View ArticleClik here to view.
Can not Deloy to VS Emulator?
I have create New Project, but I can not deloy to VS Emulator My PC: i3-7100, RAM 8Gb, SSD 240G
View ArticleClik here to view.
Do something (async) while image loads from URI.
I have a page with several images all sourced from URIs. While each image is in a Image.IsLoading == true state, I'd like to show an ActivityIndicator in its place until the loading is done, but the...
View ArticleClik here to view.
What is the format of android:name inside the activity,inside the application...
Dears, I add some code to the manifest file for launch my app by tapping a url. My code inside application tag of manifest file: <activity android:icon="@drawable/icon"...
View ArticleCalling a WCF Soap Service
Hi, I'm trying to develop a Xamarin App (Xam 4.7.10.38 with Xam.And.SDK 8.0.2.1 using PCL approach) connected to an Dynamics 365 Finance And Operation Custom Web Service. Just to sum it up, it's a WCF...
View ArticleClik here to view.
What is the better way to implement a control that looks like a ListView on 2...
I'm looking for the better way to implement a control that looks like a ListView on 2 columns, where columns have distinct height. The excpected result is something like this: The items of these 2...
View ArticleAndroid 6.0 Java.Lang.NoSuchMethodError with View.SetText
Hi, I have made a custom renderer for a Label that renders the HTML code as text. When I try to set the formatted text this erro occurs: Unhandled Exception: Java.Lang.NoSuchMethodError: no static...
View ArticleCreating resources for all devices
Is there an application that can take in a SVG for example and create all of the resources that you would need for Xamarin.Forms, let's say the navigation bar if I wanted a icon in there at the moment...
View Articlestored procedure SQl
January 24 in General Dear All, I want to create a dropdown that take from SQL Server DB, type of sports is a table : Football, BasketBall, etc but this dropdown change this type of sports in case of...
View ArticleHow to load splash screen in both android and IOS.
I am using windows OS and visual studio 2017. I want to load a image as splash screen before launching start up page. In android i used splash activity and it has been working fine. But in IOS its not...
View ArticleListView Selected Item Background Color
Summary Provide a simple API for specifying the background color to use for the selected item in a ListView. Currently, this is only achievable through custom renderers for each platform. API Changes...
View ArticleClik here to view.
Android > 7.1 System.MissingMethodException: No constructor found
Hi, I have a Xamarin ListView with custom ViewCellRenderer. Until an Android 7.1 all works fine. From Android 8.0 this error occurs when I try to show the ListView. Stack: 01-25 07:52:45.881...
View ArticleSystem Policy: MAP_JIT requires the dynamic-codesigning entitlement
HI, My Xamarin.iOS app, when run on a device iPhone 6s, v11.2.1, throws the following errors: 1. MyAppName(CFNetwork) Cannot start load of Task,<1> since it does not conform to ATS policy. 2....
View Article