Android Marshmallow Permission issue for USBManager
Am creating an Android app using Xamarin forms, which will access USB host. When am trying this application in android device version is less than 6.0(Marshmallow) its working perfectly. Below is the...
View ArticleBinding data to UltimateXF chart from view model
I am using https://nuget.org/packages/UltimateXF/ charts in my app and I know how to set data from code behind. My problem is I want to know how to bind data from view model. <StackLayout...
View Articlehow to update a table
I have inserted data to model COMPANY_MASTER in page1.xaml expect in two fields OpeningCash and AvailableCash . i want to update is value from another page . But updation is not working . how will i...
View ArticleXamarin ios simulators are not loading
I have updated xcode. after that i can't run my projects. simulators are not loading. Visual studio 2017 Project SDK version 12.2 Xcode version 10.2.1 Mac OS - macOS Mojave 10.14.5 Beta i have tried to...
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Detected problems with app native libraries unauthorized access to...
Detected problems with app native libraries. libmonosgen-2.0.so: unauthorized access to "/system/lib_/libsqlite.so" Hello, Im getting this warning at the start of running my app on Android 7N. In...
View ArticleMotion event in Xamarin Forms
Hi all, I have a Page with 2 buttons, buttonA & buttonB. When I tap the screen then drag at any point of the Page. If my finger touched any button then I will write out ButtonXXX is hovered....
View ArticleCan I register a new mime type for my custom extension?
I would like files with a custom extension, say ".xyz", to be associated with a custom mime, say "application/mymime". Can it be done? How? I would like this new info to end up in the MimeTypeMap...
View ArticleVideo Cutting / Alternative to Android.FFMpeg
Hello, I need to cut videos on Android. I've been using Android.FFMpeg but it turns out that it doesn't work for some 7.0 and higher Versions of Android (because of text relocations) Do you know of an...
View ArticleRTSP IP camera recording
I'm fairly new to programming android apps. So I would like to know if the following would work or am I wasting my time... I would like to build an App in Xamarin that can record RTSP from an IP...
View ArticleXamarin.Forms Printing Webview from UWP Project
In my app, I have printing working through dependency service in iOS and Android. I found a class here that implemented printing on UWP. However, it only prints one page. Here is my content page...
View ArticleToolbar Icon Hover Color
Trying to figure out if at all possible to set what is effectively a hover color for toolbar icons. I have toolbar icons with dark background and white icons, and hovered selections turnout dark and...
View ArticleHow can I implement instagram and twitter posts into a Xamarin.forms project?
I'm trying to add text posts from Twitter and Instagram Images from a specific account to update and view ina Xamarin.Forms App. Is there a NuGet package or up to date API tutorial that can explain how...
View ArticleHow to create a grid of square buttons?
Hello, I'm new to Xamarin and currently trying to move my Android activity to a Xamarin Content Page. The activity contains a grid (few linear layouts) of square shaped buttons of equal size - I would...
View ArticleEstimados amigos, como puedo utilizar sesiones, estoy utilizando visual...
Estoy utilizando visual studio 2019 y aun no hay mucha información al respecto, según vi foros anteriores utilizan un paquete settings pero al parecer no se encuentro en en esta nueva versión, les...
View ArticleSet ToolbarItem.Icon
Hi, how can I set the ToolbarItem.Icon property (in xaml) from the viewmodel that reads a resource embedded in a pcl? Thanks in advance.
View ArticleHow Do I Set The Swift Compiler Version in a PLIST?
To Whom It May Concern I am developing an iOS iPhone application and am failing at the last hurdle. I am generating an IPA file without the SwiftFrameworksSimulator so am using an IPA packager to add...
View ArticleXamarin Forms (iOS) - Intermittent "Please select a valid device before...
While debugging a Xamarin Forms project on an iOS device, I will intermittently encounter "Please select a valid device before running the application". When this happens the Visual Studio 2017 IDE...
View ArticleShell - Navigate into inner tab of a different Shell
Hello, I have a main shell page 'AppShell.xaml' with Flyout navigation In this shell I have 2 FlyoutItem with a single ShellContent (we call it Page1 and Page2) and 1 FlyoutItem with 4 ShellContent (4...
View ArticleHow to display data in conrols when a form loads
I have saved datas in COMPANY_MASTER tabe in sqlite where id =1 and when i load that form again i want that data to be displayed in the controls. Xaml code ` <ContentPage.ToolbarItems>...
View ArticleWebView page not available
I am using a webview to display a webpage and that all works. Within these page there are phone numbers and email addresses. However when we click on "tel/email" within the page we get WebPage no...
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