Page caching with prism?!
Hi all am working on a custom controller more like a tabbed controller but with control template i want to mimic the native tabs navigation behaviour (cacheing navigation stack between tabs and datas)...
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How to do below slider in xamarin.forms
Can anyone help me on this How to do below slider in xamarin.forms ? Thanks in advance.
View ArticleSet a Picker.SelectedItem on page startup
I have this piece of code <Picker x:Name="CategoryPicker" ItemsSource="{Binding Categories, Mode=TwoWay}" SelectedItem="{Binding Path= RequestItem.Category, Mode=TwoWay}"...
View ArticleWhy Xamarin.Forms provide support for .NET Standard 1 & .NET Standard 2
I have custom control which using .NET Standard 1.0. Recently faced the Xaml previewer issue in VS2019 and to make the control visible in the designer, need to set [DesignTimeVisible (true)] attribute...
View ArticleHow can i select multiple files(image, video, audio, pdf, ..) from phone...
I'm developing an app that provide me upload my files to server. I need to select/multi select my files from my phone. Do you know any file picker plugin ?
View ArticleHow to add Widget on Home Screen for Android in Xamarin.Forms?
Hi everybody, Wish you get healthy and happy! I'm training my skill by create a World Time app in Xamarin Forms. Now I want to add Widget on Home screen for Android. How to do that in Xamarin.Forms?...
View ArticleHow to resolve "Starting a blocking GC Explicit " --- I/art
In Xamarin application while animating any image or object I am getting this error frequently & animation gets stuck. I/art (17219): Starting a blocking GC Explicit I/art (17219): Explicit...
View ArticleApp crash using maps when I use isshowinguser true and when false it run
How to get this problem solved
View ArticleHow can I bind MVVM command in Bindable Picker?
i want bind my mvvm command on bindable picker control while selected index changed for reason that i want bind other bindable picker in same content page. any one can help me how can i achieve that...
View ArticleXamarin Forms Entry losing value on Orientation change
I have a simple login page with a single Entry view. The Entry is bound to a property in the ViewModel. Everything is working fine except the Text becomes null when the device is rotated. I have event...
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Why my ViewModal shows no data
Hi, I had this before in my NewItemLocation.xaml.cs file public class LocationData { public int item_location_id { get; set; } public string country_name { get; set; } public double? location_latitude...
View ArticleMQTT inside application, how do you deal with multiple pages using it?
Hello everyone, I have an application that I'm using MQTT, the way that I'm handling the client now is: Everytime I navigate between pages, the ViewModel initialize the client and work with it I was...
View Article[ListView/CollectionView]: How to prevent images from disappearing on Android
I show a list of images in ListView or CollectionView. When I scroll up and down several times, I see that on Android, sometimes cells that have been shown before are now empty because their image is...
View ArticleHide tab bar on push
I would like to hide the tab bar of a TabbedPage when a specific page is pushed with Navigation.PushAsync(). In iOS UIViewController.hidesBottomBarWhenPushed does the job, is there any way to do the...
View ArticleObservableCollection of objects not updating UI
I was wondering if someone could point me in the right direction to the following: I have a StackLayout that I'm populating child views with as I iterate through my ObservableCollection. I've bound...
View ArticleApplication.Current.Properties is Empty when app close
I'm using Xamarin Forms I have two method to authenticate user : 1 : the user enter username and password 2 : the user can authenticate with their Office 365 account . for the first method when the...
View ArticleWhat is the best way to have an array of values that the user can easily...
I have a list of 2 value parameters that I need to provide a very easy way for a user to change. The list is short (7 rows), and each parameter is in the range 0 to 350. I currently have another app...
View ArticleSignaturePad - Disable finger input - Stylus only
Is it possible to disable finger input for SignaturePad? I have the control within a scrollview and everytime we scroll, we get a vertical line through the signature area. Hoping there was a way I...
View ArticleHow to save an accessible log file?
Hi, am working on project with standard library and am trying to store the application log file in internal storage which can be accessed using the standard file explorer. I have managed to store the...
View ArticleHow to Send Print to Epson EM T82 POS Printer from Xamarin Forms App?
Here I am starting a new activity for print data to my Epson TM T82 POS Thermal printer.And my Printer is connected through USB OTG Cable public void printData() { String dataToPrint = "$big$This is a...
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