Questions tagged [xamarin]
The xamarin tag has no usage guidance.
32
questions
2
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1
answer
313
views
Secure way of storing client secrets in Xamarin / Android mobile apps
What would be a secure way of storing client secrets used for authentication (webservices) in Xamarin/Android apps ?
Secure Storage, which interacts with Android Keystore, seems very useful for ...
- 29
0
votes
0
answers
115
views
How to set up login pin system
i want to set up basic login page in xamarin.forms. There is no username/password, just a simple pin
so far i have 3 pages to do this
Sign-up Pin page
Sign-up Confirm Pin Page (re-enter pin to ...
- 101
1
vote
4
answers
325
views
Raising concerns on the codebase as a new hire
I'm new in the team (< 3 weeks) but I believe I am experience enough as a Xamarin dev to know what I'm doing and also experience enough on using Prism library to give some criticism on how things ...
- 121
-3
votes
4
answers
121
views
What's should I call a Location (Longitude and Latitude) associated with a DateTimeOffset? [closed]
In the Xamarin.Essentials library there is a Location class that comes with a DateTimeOffset TimeStamp.
I know I'm being pedantic and I should just move on - I know it's to indicate a location of the ...
- 111
2
votes
1
answer
902
views
How to authorize and store user login from a xamarin frontend to a asp.net core api
So I suppose this question isn't as much as a 'How to' but a 'which way' kind of question.
So I have a .net core api backend that makes calls to a dB
I also have a xamarin forms project that ...
- 147
1
vote
1
answer
102
views
How to properly handle deployment configuration for Xamarin Forms app
We are currently working on a Xamarin Forms (.NET Core) application. We use Microsofts DevOps for the code repo, building and deployment.
Since we want to test newly developed features in a safe ...
4
votes
1
answer
158
views
Architecture to lock account to mobile device
I'm currently creating a mobile app and have the following issue.
I am required to only allow the user to login from a device that is registered to the users account. A user can have up to X number of ...
1
vote
1
answer
688
views
What is the proper way to change the View from a ViewModel when using the MVVM pattern?
I'm trying to follow the Model–View–ViewModel pattern in a Xamarin application and am wondering how the View should be able to change when a given ViewModel is finished. Below I have listed the ideas ...
- 121
1
vote
1
answer
193
views
Deploying Multiple Versions in One App Package
This is a question about Android, and iOS apps. The technology is Xamarin (C#) but this is not really important. The app will be deployed to the stores. The client app must be compatible with the ...
1
vote
0
answers
92
views
Xamarin communication between devices, not using the internet
How would you go about if you would like to create something like:
You have let say 3 devices (can all be iOS or Android, a mix is not necessary)
One of the devices would act as a master and the ...
- 119
0
votes
1
answer
175
views
RESTful API get requests by "modified" condition from mobile app
Currently I have following scenario.
I have two projects: ASP.NET Core Web API and Xamarin.Forms app. General idea is to have consumer (Xamarin.Forms app) which is getting data from server (Web API)....
-2
votes
1
answer
111
views
How to calculate user activity
I am working on a Xamarin.Forms PCL social media app project. People can like posts and comment on them which is saved in MySQL. I would like to add an activity page.
What is the best way to ...
- 109
1
vote
1
answer
278
views
Best way to manage services and exceptions
I have a mobile app who consumes a api service. I have a class to manage all the operations (get, post, put) who throws exceptions if the result is not 200.
The app was originaly designed to be ...
- 111
3
votes
3
answers
931
views
How to decouple code behind with business logic?
I'm having a hard time to decouple two classes.
I have my code behind (will call it "class A") that I use to tweak the interface (defined in xaml).
Next I have a class B that is only logic. But ...
- 131
1
vote
1
answer
169
views
Most convenient way to implement the models used by the Service Access layer of a Xamarin application
I am new to the Xamarin technology, and I am working on an Asp.NET Core Web application which basically delivers micro-services which will be consumed by a Xamarin.Forms application.
So my Web API ...
- 143
1
vote
1
answer
380
views
Project.json and NuGet on a Xamarin.Forms Project
I am relatively new to Visual Studio (I've spent most of my life on Linux) and I am fairly befuddled about the Windows build process, especially regarding NuGet.
I have a Xamarin PCL solution with ...
- 113
0
votes
1
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417
views
How to add formatting/validation rules to UITextfield on Xamarin.iOS
This looks like another network's question, but I think it fits better on here rather than StackOverflow, since it's not gonna have one basic answer.
We are in the context of iOS development, I'm ...
- 2,113
1
vote
0
answers
146
views
How to separate source code directories from build directories with VS Xamarin solutions
I've been using CMake for years when developing in C++ using Visual Studio. My directory layout has always seen me separate source code directories from build directories. For those who are not ...
- 175
0
votes
2
answers
4k
views
Distinguishing the differences between view model and service layer
First project trying to use MVVM and Xamarin Forms, so please be gentle; however, I am at a lost on how to differentiate between the logic that belongs in the view model and model/service layer.
I am ...
0
votes
2
answers
456
views
How to properly architect app to display long forms with a lot of controls?
Basically, I've been tasked to work on a Xamarin.iOS app (predominantly for tablets only) that would display a long scrollable form that contains ~200 controls (buttons, switches, text fields, etc...)....
- 167
-6
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1
answer
127
views
How much time/labor is spent setting up, and publishing a cross-platform mobile app? [closed]
Let me provide an imaginary scenario so that my question is fully understood. Let's assume you are an experienced cross-platform developer for iOS, Android and Windows Mobile.
Someone asks you to ...
- 523
-2
votes
1
answer
492
views
Would learning both XAML UI and XML UI be helpful in improving understanding of XML in general? [closed]
I'm familiar with HTML/CSS, and some non-UI programming using C#/node.js/Java and looking at options for building a simple mobile app.
I will definitely use Xamarin, and have to choose between ...
- 117
5
votes
2
answers
741
views
Should I remove "everything" from my controller in MVVM?
I'm working with Xamarin and we are following the MVVM design pattern. For those who don't know what Xamarin is, it's a technology that allows us to build iOS and Android apps with shared code. ...
- 2,113
1
vote
1
answer
2k
views
Is it good idea to save user/password and get token from server automatically behind the eyes of the user?
Suppose I have a REST API backend and it is used by a mobile app. Authentication is based on tokens (JWT) with expiration time. Mobile app user does not want to enter credentials so often, even for ...
- 213
0
votes
2
answers
1k
views
Web API vs Entity Framework with Repository Pattern using Xamarin
My team currently has a WPF application that runs on PC just fine. It utilizes Entity Framework 6 with the Repository/Unit of Work pattern that talks to Azure for the database store.
We service a ...
- 201
1
vote
1
answer
1k
views
WCF Server for a mobile apps (Xamarin.Forms)
I have a “whiteboard” question. Technically I’d like to ask you about one thing I’m not sure in my design, but if you have time for a quick review the rest of the design - that’d be great. Every tip ...
- 257
4
votes
2
answers
3k
views
Is blocking a UI thread sometimes a good idea?
Say, I created a custom button which includes some animation which is played when the button is clicked. The animation takes 500ms. During that time (until the animation is over), the button should ...
- 523
1
vote
0
answers
2k
views
Sockets (SignalR) vs Push notifications
I'm developing a Xamarin.Forms app with a .Net Web API backend. I definitely don't want to do long polls on my app to the server, but I need the app to remain updated with the server information.
I ...
- 402
2
votes
1
answer
1k
views
Let Xamarin clients listen when server send an API
My situation
I will make a Xamarin application for Android that can access an ASP.NET MVC webserver with API's. The problem is when I'll send an API to the server, all the connected clients must ...
- 229
1
vote
1
answer
259
views
Xamarin/Mono LGPL Compliance
The LGPL seems to stipulate that I have to distribute my app in a way that the LGPLed code can be replaced. Xamarin keeps saying that to distribute a mac app in the store, I need to use Xamarin.Mac ...
- 19
1
vote
1
answer
1k
views
How does package naming affects Android application once deployed?
Are there conventions to follow when naming an application package for an Android application?
I'm coding in Xamarin Studio, using .Net, so I feel far from this "com.myapp.etc" naming convention.
...
- 331
2
votes
3
answers
2k
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Could applications build in Xamarin possibly be banned from App Store by Apple? [closed]
Consider having restricted man resources and thinking about using Xamarin Studio for building cross platform application. Will you be afraid of Apple trying to ban all applications NOT developed by ...
- 39