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How can ı connect to mysql server? Cross Platform
I've installed the necessary nuget package and mysql connector. and I get this error? Can't connect directly? Or should I use any web service? and if the web service is required, how is this connection...
View ArticleGiving the users the ability to change the app icon on iOS.
I have several different designs for an icon I can chose between and I hope there was a way in Forms to let the users pick their favorite icons. Can anyone direct me towards a guide or helping achieve...
View ArticleHow can I tell which item assoicated with a TimePicker in a ListView has been...
I have a ListView that includes a TimePicker: <ListView.ItemTemplate> <DataTemplate> <ViewCell> <StackLayout Orientation="Horizontal"> <TimePicker Time="{Binding MyTimeSpan}"...
View ArticleiOS App Store Submission Fails
Uploading the *.ipa file with the Application Loader completes and uploads the file to the App Store. After it is uploaded the automated code checking removes it from the queue and provides the...
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calling Android specific SDK functionality using dependency injection
Hi, I need to implement functionality provided by a SDK only available for Android in my Xamarin.Forms application. I understand the basic of dependency injection but I'm still a big noob I don't...
View ArticleBuild status has changed to Invalid Binary
Hi, today, after uploading a new Version (Build with VS 2017 15.9.11, XCode 10.2, Xamarin.iOS 12.4.0.64) of my App, I got this mail for the first time. But I don't understand this. How could i solve...
View ArticleImage Extension
This is more of a VS for Mac question than a Xamarin question, but be it that VS for Mac is based on Xamarin Studio and MonoDevelop, this seems like maybe the right place to ask. In Xcode I can easily...
View ArticleListview items ItemVisibilityEventArgs erroneous behavior
I am trying to do tasks based on item visibility in listview in Xamarin Forms, but this functionality is erroneous or I am doing it wrong. Example: I have 30 items in listview, though i can only see 7...
View ArticleHow to adjust a label and icon at the same height
Hello, I'm new to Xamarin.Forms and have been struggling to create a grid where there's a header for each column of the grid that is basically the title and an icon to order by the title ASC or DESC. I...
View ArticleRemove duplicate tokens in RadAutoCompleteView
Hello. How can I set a listener to the RadAutoCompleteView so everytime a token is set from the ItemsSource list to Tokens list, I remove that token in the ItemsSource so no duplicates appear in the...
View ArticleHandling files securely in Xamarin Forms
I am implementing a cross platform app which will pull PDF documents from a Web Service. These PDFs need to be completely inaccessible from outside and can only be viewed when authenticated in app....
View ArticleError MT2002
Xamarin Forms project, visual studio 2017 15.9.4. I compile a project with connection to macbook. C:\Program Files (x86)\Microsoft Visual...
View ArticleXamarin.Essentials Share Images
Just a question on Xamarin.Essentials-Share. Can we use Xamarin.Essentials plugin to share images?
View ArticleCommunication between devices
Greetings friends, I have an app that takes a picture but I must do a task that connects three devices and if any of them precionana the button to take a photo should trigger the function of taking...
View ArticleTitle icon of page is not showing
Title icon of a page is not showing in android, how can i resolve it please help.
View ArticleHow to show Activity indicator or loader on splash screen.
Hi, is there any way to add loader on splash screen.
View ArticleSlow image source binding
I have an image that is displayed on every page that is source bound, and whenever I go to a new page it takes half a second to a second to load that image. Is there some way I can make sure this image...
View ArticleiOS code signing key not found in keychain
After having successfully built, tested and published a Xamarin Forms app both for Android and iOS I'm suddenly no longer able to build the iOS version. I'm getting the "iOS code signing key not found...
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Ripple effect in xamarin forms android?
Hi All, I want to give ripple effect to every control on screen like label, image etc. Currently I have added the ripple effect only to button. Please help me out......
View ArticleDynamically generate TableView from C# classes
I want to generate a tableview, where the sections and table would be generated from the values retrieved from the database. I followed this link, and followed the approach which says how to create a...
View ArticleUse of Xamarin.mobile libraries, but they don't work
Good Morning, I am studying and am at the first of my multi-platform app on Xamarin.forms and it asks me to use the Xamarin.mobile libraries, but in the Android project after installing them as if they...
View ArticleForms (Android) archiving error "an item with the same key has already been...
My project builds OK. the iOs version is fully uploaded but when I try to archive the latest version of the Android app it gives the above error There are numerous references to the phrase "an item...
View ArticleScrollBarVisibility in CollectionView
Hello, Can we use this method HorizontalScrollBarVisibility and VerticalScrollBarVisibility for a CollectionView ? Thanks,
View ArticleOut of memory exception when i try to do thorough testing as i change the...
I'm trying to test my app for language changes and check how the popup is shown in each language. After 6-7th time i get out of memory exception in debug mode. the data usage of app showed these...
View ArticleZXing Barcode Scanner accessing camera gets progressively slower when...
Hi, Wondering if anyone has noticed this issue. I'm using the ZXing barcode Scanner in a view and each time a barcode is scanned I'm closing the scanner to give the user visbility of the scanned item....
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Place Image over Frame
Hi, I'd like to ask how can I place an image over the frame to show like the below image? I mean the image will be vertically centered on the frame line and horizontally centered within the frame...
View ArticleIs it possible to integrate google tag manager (GTM) in Xamarin forms app?
I am trying to add google tag manager (GTM) to Xamarin forms app? Does any one integrated it before? Is there any working sample code available? Pls suggest
View ArticleHow do I "delete" AndroidManifest so that Xamarin builds a new one
Hello. I am having a few problems in my project, and I think one of the reasons could be the "weird" AndroidManifest I have. I played with it before when I didn't know much about it and I am not sure...
View ArticleWhite Screen in Xamarin forms
Hello I have an app that is working well, but I update it for the Android version 9 and when the splash is over the menu must be displayed but nothing is displayed, the app is left blank and does not...
View Article' NavigationPage.HasNavigationBar="False" ' not working when directing to page
Good afternoon! I did this once in Xamarin.Android but can't make it work in Xamarin.Forms: My first page (LoginServerView) consists of only an Entry where the user will type down the server he wants...
View ArticleMy app icon can't be shown on Android 8 and 9
The icon shows on my Note 5 with Android 7. But it can't be shown on a S7 with Android 8 and a Note 8 with Android 9 (also can't be shown on the emulator with Android 8.1 API 24). I already put my...
View ArticleDownload folder Access, subfolders creation in Xamarin.Forms 3.4.0.1029999
Hi folks, I try to use this piece of code in Xamarin.Forms NET.Standard code sharing project but raises a Denied exception. Why? How can I create subfolders in Download folder (this is a mandatory app...
View ArticleIs it possible to integrate google tag manager (GTM) in Xamarin.forms app...
Hi community, i need implementy the GTM by tracker events, por example when the user do clic on button Login, i has search in many pages, but without success, somebody know how i can integrate this...
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After Adding Images in Resources Drawable Folder(PCL --> Android), I am...
Including Image to the project leads to these errors. (lst1.png) Any help? Thanks in advance.
View ArticleApp Data Grows Extensively When Taking Photos
Hi Guys, I'm writing an app that allows the user to take photo's (using Xam.Plugin.Media) and then display them in a list view. I noticed the app data growing with each photo taken. And I'm hoping...
View ArticlePie Charts
In my application I want to Use PIE CHART implementation to display the data. Can anyone pls help me.
View ArticleHow can we make Responsive Web Design in Mobile By Clling WebView ?
I want to Call My Website By Webview and I have to Remove Unwanted Stuff of Website in Mobile Is it Possible to Do.So that it can be Responsive in Mobile
View ArticleRead and convert gzip response to json
I am working on xamarin forms project and I want the correct way to read and convert gzip response to json in my application.
View ArticleHow to get type length of bytes ?
I write the code to iterate the class properties. static class PacketCoder { public static byte[] PacketToData<T>(AppSignal signal, T packet) { byte[] dataBuf = new byte[1000]; byte[] dataTemp =...
View ArticleCross Platform Camera Frame Analysis
Is there a way I can access ios/Android camera frames to do real-time frame analysis?
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