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how to get native tabbedpage on UWP using xamarin.forms?
I am trying to create below native uwp tabbed page with xamarin.forms but it doesnt work somehow. I am not sure if it is a bug. I want to have only tabs no navigation bar or title. I opened the default...
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BLE Plug in Android 9 - Samsung Vs Nokia/Huawei - Lower driver issue
We have been developing an Xamarin mobile app and it's been very stable, recently we have been testing on Nokia/Huawei phones and we cannot bond to the phone via the application or within the phone...
View ArticleHow to Solve App Center Error? - "Default FirebaseApp is not initialized"
Hi Everyone, My Xamarin.Android App runs just fine in the emulator but recently has just started to crash when a user runs it on an actual Android Device. This Error is displayed in App Center:...
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How to customise the Toolbar so all icons/text fits on one line?
I have a tabbed page that uses a collection of ToolbarItems to be added to the navigation bar. These are added successfully but some are not being displayed due to the amount of ToolbarItems added and...
View ArticleQuery to get last 7 days
I'd like to get only results of the last 7 days on my table. Here's what I've tried for the moment : "SELECT SUM(Amount) as Amount FROM 'Transaction' WHERE Date > (SELECT DATETIME('now', '-7 day'))...
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Xamarin.Forms ZXing scanner double-scanning barcode
Hi, I'm using ZXing to scan barcodes. In some cases however, it takes some time to process the found value of the barcode. To let the user know that the scanner has picked up the barcode, I added a...
View ArticleUIWebView Deprecation and App Store Rejection (ITMS-90809)
Getting the below warning message after iOS app deployment. "ITMS-90809: Deprecated API Usage - Apple will stop accepting submissions of app updates that use UIWebView APIs starting from December...
View ArticleError with ViewPager in Xamarin.Android.Support.Core.IU v28.0.0.3
Update the Core.UI Nugets from 24.x.x to 28.0.x and I get this error, I already removed bin and obj, debug and clean the project, as well as update other Nugets and nothing solves this error message...
View ArticleiOS Launch Images not showing up
I hate to ask a question that I know there must be an easy answer to, but for the life of me I can't get iOS to launch with the right launch images! I have edited the iOS settings, and moved the assets...
View Articlepicker with dynamic data from db/api
Recently furloughed so exploring xamarin...looking for a tut that covers creating a form with a picker that is populated with dynamic data from cosmos db and/or api...thoughts? please and thank you!
View ArticleDatabinding into grid's columnDefinition width
Hi, I am having problems with binding into grid's columndefinition width proprety. I tried TestWidth.Value as well as just double and string. Any idea whats the problem? `<ColumnDefinition...
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Error The $(TargetFrameworkVersion)
hi How to solve this problem The purpose of running on the version 4.3 1>------ Build started: Project: App1.Android, Configuration: Debug Any CPU ------ 1>C:\Program Files (x86)\Microsoft Visual...
View ArticleHow to call variable which is in different class? (Binding)
My Solution: * ViewModels * * DownloadPageViewModel.cs * * LoginPageViewModel.cs * Views * * DownloadPage.xaml * * LoginPage.xaml * App.xaml I have: a entry and button in DownloadPage.xaml a webview in...
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Problems with converting db tables from PKs to related data....
Okay, this one is s doosy from what I can tell.. I have a database which stores data as PK pointers to other tables (good ol relational data storage... yay...) Seems simple enough right? Well I have a...
View ArticleHow to Change page color with button control in Xamarin android?
Hi, everyone! I want to make simple app that contain a button in page. I want control the page color from that button. How to code it? Thanks
View Articlecan someone give me an example of how I can get user data by passing a...
Hello, need help. I'm trying to create a gridview with a parameter that lists the data of the registered user of the sql server database. Only I'm not getting it. can someone give me an example of how...
View ArticleXamarin Pre/Post Build events
Hello, I have defined pre and post build events in some projects using Visual Studio. When loading the solution in Xamarin Studio (Mac) these events are raised but of course, failed because there are...
View Articleis it possible to pass a parameter in the gridview itemsource to be able to...
Hello, is it possible to pass a parameter in the gridview itemsource to be able to list the data only with some condition?
View ArticleHow to make random color with button control in xamarin android
Hi, eveyone! I'am sorry, how to code randomize color in xamarin android? thanks
View ArticleXamarin Forms Excessive Debug Output on Android Device
Hi Guys, I debugged my ble application on an iOS device and now I'm running it on an Android 7.0 tablet. The Plugin.Ble driver did not work quite the same, but that's a post for another day. I'm seeing...
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