OnScroll event in ScrollView
Anyone know if there is a way to hook into the scroll event in ScrollViews? I want to add infinite scroll to a ListView, but without any way of knowing when the user reaches, or getting closer to, the...
View ArticleClik here to view.
OxyPlot- Fix annotations
Hi everyone, I don't know how to fix a line of annotation at the right of my graph. Maybe I didn't search very well Now I have this : I created some rectangleannotation to do that but I don't know how...
View ArticleGoogle drive integration in xamarin forms
How can we integrate google drive in our xamarin forms application in order to upload files to google drive.
View ArticleHow to change detail page to the other detail page?
I want to change detail page to the other detail page. The other words, when I click the masterpage's button, The detail page will be changed. Here's my code: void MyPageClicked(object sender,...
View ArticleClik here to view.
How to remove title bar on xamarin wpf and make the application full screen.
Behavior of xamarin wpf full screen is different from original wpf application. When i enable the full screen mode by ResizeMode="NoResize", WindowState="Normal", WindowStyle="None", Topmost="True",...
View Articlehow Select by default the first item into the listview xaml??
I have a dynmic list view i want to show the firs item selected by default!!!!! ..
View ArticleXamarin.Essentials Geolocation doesn't work in Android 9
Hello, I'm trying get my device current position though Xamarin.essentials. I'm using the Microsoft documentation's code: try { var request = new GeolocationRequest(GeolocationAccuracy.Medium); var...
View ArticleClik here to view.
IconImageSource set, appears in previewer but not in emulator, neither in...
Hello everyone, I have a TabbedPage with the following content: The icons are showing in previewer: But when I start the app via the emulator no icons are showing, also when I tried my actual device no...
View ArticleXamarin.Essentials Geolocation doesn't work in Android 9
Hello, I'm trying get my device current position though Xamarin.essentials. I'm using the Microsoft documentation's code: try { var request = new GeolocationRequest(GeolocationAccuracy.Medium); var...
View ArticleUnselected tab bar
I need to have a shell tab bar with all options unselected. The default behaviour is to have the first option selected. An alternative is to have a dummy option and hide it but even this is no possible.
View ArticleOnBoarding background animation
Hello guys, i just wanna ask how can i implement the animation from the video in xamarin forms (both ios & android) specially the changing of background . Thanks. youtube link...
View ArticleHow to fix Xamarin forms build error: “Failed to create JavaTypeInfo for class”
On build, the compiler is throwing the following error: Error:- Severity Code Description Project File Line Suppression State Error Failed to create JavaTypeInfo for class:...
View ArticleClik here to view.
Xamarin.Forms (iOS & Droid) guide for Azure Notification Hub that actually...
Ok, I'm getting really tired of this now! I have an app that haven't been updated for about 3 years. Therefore I'm rewriting the entire app now and all is fine. Now I'm at the point where I need the...
View ArticleHow to perform silent print in xamarin forms?
Hi All, I need to print(through usb or bluetooth connection) receipt silently from my app when I click on print button. It should not show anything after click on print button. It has to work for all...
View ArticleLag before navigating to a page with a ListView
I’m using Shell with a Flyout menu. When I’m tapping on one of the menu items to navigate to a page with a ListView then, the Flyout doesn’t close immediately. There is a lag of a few milliseconds, but...
View ArticleXamarin.Forms ListView Drag and Drop to Rearange Items in List Supporting...
I need to implement Xamarin.Forms ListView that supports rearranging of its items using dragging and dropping and working on all 3 platforms. So far, it looks like Xamarin.Forms does not offer this...
View ArticleHow show a Popup and fade it slowly until disappear it?
Hi, I want to make a simple popup (any kind of popup) that when appears stay for a few seconds and then disappear slowly until disappear completely (and close it as well to return the main page) Any...
View ArticleVery Long Variable Names - Performance hit?
Does any one know for 100% certainty that using very long variable names in a Xamarin Forms Project, has no impact on the performance of the deployed app on IOS and Android. Need some insider knowledge...
View ArticleActivityIndicator does not show AT ALL
I want to use a ActivityIndicator, basically for asynchronous actions to a server in a MVVM setup. I am trying that for the first time, it just won't go. Now a lot could be wrong, but even in the...
View ArticleApp crashing when setting the UsbManager and no USB device is connected
Hello, I am developping an application using a USB Smartcard reader. When no device is connected, the following line makes the app crash. mManager =...
View Article