Get byte array of image in photo library
For periods when network connectivity is not available I want to save the path details of photo taken (using the Media Plugin by James Montemagno) and then try to send the image later. I've created a...
View ArticleXamarin.Forms bug? System.ObjectDisposedException: Cannot access a disposed...
Hi, My Android Xamarin.Forms application uses a Navigation stack to display various views, I often have a list on a screen (A) that once a cell is clicked I push onto the stack a new screen (B), the...
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Draw line at bottom of the page.
Hello I want to draw line at bottom of the page. I have attached screenshot.
View ArticleXamarin.Android does not support running the previous version while deploying...
My Xamarin PCL project was working fine since I downloaded Android SDK Platform 27 and updated all NuGet packages. When try to deploy solution to my device (running Android 7.1) I get this output...
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Setting iOS Navigation Searchbar Text Color (Custom Renderer)
Hello, I wasn't sure if this should be placed in this forum or the iOS forum. I am using the 11's Searchbar in the Navigation area. I have set the navigation background in Xamarin.Forms Standard...
View ArticleHow to get master menu page on button click without using master detail page?
In my master detail page(home page) i need to change the position and font size of my toolbar items which I couldn't...so I thought if I get that menu items on button click I could create navigation...
View ArticleShould I navigate to pages from View Model in MVVM pattern?
The sign in button is bound to a command in the ViewModel (VM). If the login is successful, I want to take the user to the main page. That means I need to push the page from VM. Is it going to violet...
View ArticleHow to authenticate any URL using Username & Password or windows Authenticate?
Hello Everyone, I have one download page that has some security without authenticating we are not able to download any content from the page. and this URL we are using for download Image in our...
View ArticleWhere are application colors defined?
I have two projects, one created about a year ago with VS2015 an older version of Xamarin (2.0.0.6482) and one created yesterday in VS2017 and Xamarin (3.0.0.561731). I've since updated the old...
View ArticleI get access denied exception when I try to read the file from the USB drive.
Hi, I am not able to read the files from the USB drive which is connected to the android device using 7.1.1. MY manifest file has all the permissions <uses-sdk android:minSdkVersion="19"...
View ArticleRemove listview item from a separate page
I have a page with listview and if I click an item on a listview I go to the page with details of a selected item. Here is my page with listview: <?xml version="1.0" encoding="utf-8" ?>...
View ArticleWhere are the XAML designer tools?
Years have past ;-) not really but I think this question has been asked many Times' before. The forms previewer crash all the time. It could be seen more of a compile:designer that breaks as soon as...
View ArticleXamarin.Forms.Maps set up problem
Hi, I'm having a problem adding a map to my App. I am following the instructions from the page - https://docs.microsoft.com/en-us/xamarin/xamarin-forms/user-interface/map. Having added the Maps package...
View Articlehow to refresh a page
I have a xaml page that sizes a bunch of stuff (grid) when it first renders, depending on screen width. But if the user rotates, the sizing is all wrong. I can detect rotation using OnSizeAllocated,...
View ArticleHow to use a C# defined Style defined in XAML
I want to define my style in the code-behind of the ContentPage, and then use that style in the controls defined in XAML. I have looked at the XF free book, the Working with Styles guide and cannot get...
View ArticleCreate a book as mobile app using Xamarin.Forms
I want to create an app like a real book using Xamarin Forms I need to surf a book like a real book using slider or carousel view control the hard part is to render the text from SQLite database into...
View ArticleXamarin.Essentials OrientationSensor - Just want a simple orientation of...
Am I just nuts or does it seem like this would be a place where 99% of users could get the device orienation changes in a cross-platform way? Seems like an essential thing. Its for Orientation. Have...
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New .NET Standard App, iOS Icon Default no matter what
I think perhaps the Visual Studio tooling is messed up in the latest version. I've successfully migrated an older pre-3.0 PCL XamForms app to a .NET Standard XamForms app and everything is working...
View ArticleNavigation using Xamarin Forms and MVVM
I am new to Xamarin development and I am trying to implement the MVVM design pattern. When a button is clicked, I am running a command to login. If login is successful, I want to show the next page....
View ArticleTabbedPage using Iconize nuget.
Hi , Can anyone show me please how to create tabbed pages with this nutget package (iconize ) https://github.com/jsmarcus/Xamarin.Plugins/tree/master/Iconize How can I add fontawesome icon in the...
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