How can I prevent access application?
I am currently working on a xamarin cross platform project and I need to create an app that locks or prevent user from accessing any other specific application (ex. Facebook, instagram, chrome,...
View ArticleDevice.OpenURI not working on Android 9?
I had a user complain that a button wasn't working in my app. All the button does is calls Device.OpenURI() to open a website in the system browser. I loaded up my app in an Android 9 emulator, and...
View ArticleDisplayActionSheet Popup not opening in xamarin IOS Project
I have implemented xamarin project using MVVM. I wrote button click command in view model. I am trying to open a Displayactionsheet using below code on the button click but Actionsheet is not opening...
View ArticlePrevent fitting content of Swipe to reveal Grid's view
I've created a grid consisting of two columns and one row. At the initial state, the left column width is 0* and the right is 100*. I wrote a custom renderer for the grid and overrode OnTouchEvent to...
View ArticleHuge table with lot of images
Hi guys, I have a page with table with 400+ items (4 columns, more than 100 rows). I've created it using Grid view, and there's a different image from local source in every cell. My problem is that it...
View ArticleUsing admob
Spent three hours, but did not find a working solution. All examples are dated 2015-2016 and are outdated. Does nobody use admob? Does anyone have a simple code example for showing advertisements by...
View ArticleWebsite App Blocker
Hey, do you know how can I make a cross-platform (ios and android) application that automatically blocks websites from mobile browsers(ex. chrome, opera mini, etc)? For example in my xamarin app I...
View ArticleThe name does not exist in current context [error]
I have a custom cell with a stack layout [with a label and a image button] in a list view when im trying to change the isVisibility of image button iam getting this error. <?xml version="1.0"...
View ArticleDraw Circle in xamarin form
Hi All, Just list as "BoxView" control create "rectangle" shape in xamarin, how to i create "Circle" for slide image in CarouselView? Please help.
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 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 ArticleXamarin essential without Xamarin.Forms
I'm trying to find some demo of xamarin essetials, but without the use of xamarin.forms. Any link to this kind of info ?
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Fragments in Android Pie
Created a new project, targeting Android Pie (Androdi 9.0). I click on "Add New Item" from the solution explorer. Search for "fragments". Add the file to the procject. When I go edit the file, this is...
View ArticleXamarin Android Emulator run but the actual application doesn't run.
Xamarin Android Emulator run but the actual application doesn't run.
View ArticleListView binding to ObservableCollection does not update GUI
Hi Can anyone tell me why this simple code is not working as expected? Does the ListView control not listen for changes in the bound property? Expected: when I click the Add button, the GUI (ListView)...
View ArticleError in Xam.Plugin.Media
Hi I want to get an image from device camera, so I have used Xam.Plugin.Media .. and I followed the instructions in readme file but I got this error on MainActivity _Java.Lang.NullPointerException:...
View ArticleCould not resolve type with token 01000012
I've been developing my app now for at least 5 months. I've been wanting to try the xamarin previewer so i updates visual studio xamarin forms and then i updated my nuget xamarin forms for my portable,...
View ArticleXamarin to WCF Connecting issue
Hi, When tried connecting Xamarin to WCF, have faced issue. Entered login details after submitting exception throw. Please help. Error in deserializing body of request message for operation 'XXXXXXX'...
View ArticleHow to implement this "List"?
Hello guys. Im really new to Xamarin and app development. I attached a picture for you guys to help me out which tools i would need to realize this in an app. If I add a new Item to the list with a...
View ArticleCustom View Cell: View not getting updated in case PropertyChanged event
I have a listview which consumes custom view cell. However View is not getting updated in case of property change event is triggered . I can see that View Model is getting updated values in case event...
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