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Questions tagged [mobile]

**Mobile application development** is the process by which application software is developed for mobile devices (usually low-power handheld or portable devices).

0
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1answer
28 views

Only be able to sign into app after existing user send invitation [closed]

I am looking to build an app where the only way a new user can enter the app is if they have been invited by an existing user. Are there any API's, tutorials or resources that can help me achieve this....
1
vote
1answer
68 views

Directing user to a specific screen on App after he installs the App

I have a very specific use case. We are working on a Project where user can buy the tickets to an event. In this, we are asking the user to enter an Email id where he can receive the email from where ...
-1
votes
1answer
32 views

Measuring the usability / ease of use of RESTful API in Mobile Cloud Computing?

APIs vary in their complexity, functionality and also usability. In Mobile Cloud Computing (MCC) applications, which are mainly mobile applications that offloads processing / storage to the cloud, ...
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2answers
78 views

Managing sign-on in mobile applications

I'm programming a mobile app which makes use of REST services. Some of the services are for logged users, so I have a login endpoint which lets me enter my credentials and get a JWT token for ...
-1
votes
1answer
697 views

Creating a mobile app based on the ASP.NET Core website

Coming from Desktop development, I'm in the middle of my very first web project (as a small side/learning-project). I'm using ASP.NET Core 2. I'm already thinking about going mobile too. What are my ...
2
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1answer
55 views

What is the difference between Web Workers and Service Workers in Progressive Web Apps

In the context of Progressive Web Apps (PWA) there are two terms that I am trying to better understand: Service Workers, and Web Workers. What is the difference between them and their intended use? ...
1
vote
1answer
208 views

How to handle API responds with DTO or Error Message

I have a mobile app and an API. The mobile app is set up to expect back a DTO from the API but has no information if an request was unsuccessful. This needs to be updated so that better messaging is ...
0
votes
1answer
36 views

A separate UIViewController for UITextField - iOS

In my iOS project I have a set of custom textfields, e.g. for password entry. As an example, such textfields can contain additional views and logic - for example, show or hide a password with a press ...
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0answers
41 views

Mobile app for existing responsive web app?

I have an existing enterprise application that lives on a lamp stack (not single page app). All html is responsive using twitter bootstrap. The question of sending push notifications to mobile devices ...
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0answers
25 views

Mobile BaaS — no connectivity sometimes

I'm looking at options for a BaaS approach for an app using an Azure App Service. We're looking at this approach due to security, API management and ease of re-use/deployments. Also it offers some OOB ...
1
vote
3answers
1k views

Proposed Method to Restrict API Access to Mobile App Only

I read a lot that you can't restrict your Public REST API to only your mobile application, but I have an idea and I want opinions on it: Variable App Key Method Mobile App Get IP address of current ...
0
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2answers
79 views

Justifications for developing applications that work on beta versions of iOS?

I'm a participant of the Apple Developer Program and have been downloading and testing beta versions of iOS for a number of years now. When updating to a new iOS version I sometimes notice that a ...
0
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1answer
89 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)....
1
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2answers
1k views

Build a realtime chat app which stores messages in a MySQL database

I'm thinking of making a realtime chat app that would allow me to store user messages into a MySQL database. So far these are the two ideas I have. 1) Create and API which the message is sent to and ...
1
vote
1answer
74 views

System architecture design advice

We are working on the design for an appointments system which has to work at remote locations, comms via 4G. Unfortunately a connection to the server may not be available at all remote locations, so ...
-1
votes
1answer
69 views

Creating an app with a secured performing service the Microsoft way

This week I want to start a greater app project that is expected to handle much data. The app will provide an interactive forum, a media library that allows streaming and a task module with push ...
-1
votes
1answer
53 views

User authentication in app

I want to create a mobile quiz app where users can sign up and compete against each other. For the signup I am just using username/password combination. I want to ask you what are good ways to store ...
3
votes
4answers
539 views

Different feature set in multiple mobile apps from the same code base

I inherited a large code base (iOS / Objective-C) that is used to build multiple mobile apps. The apps have similar, but not identical UI. The apps share a lot of common features, but there are ...
0
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1answer
194 views

Bluetooth on to receive Beacon signal?

I'm unclear on how a BLE Beacon and device architecture works. As I understand, there's two "types" of Bluetooth: a classic version which has relatively high battery consumption (I imagine this being ...
2
votes
2answers
218 views

Is it ok to have many libraries for modularity?

Situation: My app exists as standard and branded version, the branded version has some tiny additional features but most stuff is the same. Right now i have a basic library with popups and visual ...
1
vote
3answers
558 views

What are the disadvantages of using services such as Firebase when compared to writing your own back-end?

I am trying to build a mobile application (Android/iOS) and the app will require a lot of back end operations. After doing some research I noticed that several developers recommended using MBaaS ...
1
vote
2answers
413 views

Architecture of mobile backend

I would like some input on some refactoring I am to do on a mobile backend (API). I have been tossed a mobile API which I need to refactor and improve upon, especially in the area of performance. ...
-1
votes
1answer
319 views

Pattern to store login credentials for a web based mobile app [closed]

We are a small shop and focus on web development. We have a website that users need to login. I want to outsource the "app" development by getting someone to build the app and packages for android ...
1
vote
1answer
167 views

Storing users on the mobile game server in the memory

I'm building a server for a turn-based mobile game. I'm using SignalR for communication and I was wondering if storing list of users in the memory is a good idea? Like.. a static object of "Server" ...
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votes
1answer
56 views

App notifications for a web app

I am a programmer with some experience in building PHP web apps. My latest idea is to build a web app in Laravel which would let driver-users register the route they are going to take when going ...
-2
votes
1answer
272 views

How much different is the business logic in enterprise applications vs mobile applications?

only one thing after discuss my doubt i am a mobile developer and i am trying to adapt DDD, and i say adapt because a lot of information is related to backend applications My doubt start because i ...
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votes
1answer
116 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 ...
2
votes
0answers
600 views

Handling account roles in Android app

I'm building an Android app where different "types" of users can log in - lets say User and Admin are the two roles (there could be more than two). User can access some views in the app, by pressing ...
7
votes
1answer
1k views

When should an iOS app create a new NSURLSession vs. reusing an existing one?

I'm migrating my team's app to use NSURLSession instead NSURLConnection's because of the numerous now-deprecated APIs in the NSURLConnection family of classes and protocols. As part of that, we need ...
3
votes
1answer
139 views

Webapplication and App: Use case redundancy

I have to write a software requirements specification for a software system that consists of two front-ends, an Android app as well as a web-application. The Android app and the web-application have ...
6
votes
2answers
625 views

Shoud I throw exceptions to UI layer or handle them in my VM layer

Consider the following method: public async Task LoginAsync() { if (!CanLoginAsyncExecute()) throw new ValidationException(); try { StartLoading(); ...
1
vote
1answer
1k 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 ...
0
votes
2answers
760 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 ...
7
votes
2answers
5k views

What's the best implementation for offline mobile app synchronization?

We have an Android app written as a Cordova AngularJS SPA which has now grown so that we need to add some work to it meaning we have to improve the synchronization part of the app. The app is mainly ...
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votes
1answer
149 views

How can a multiplayer game manage state over a local network? [closed]

I would like to create a multiplayer mobile game where players play together over an ad-hoc network, with no internet connection required. Players should be able to join and leave mid-game, and the ...
3
votes
1answer
443 views

Testing White label iOS and Android mobile apps

We are in the process of developing white label apps for iOS and Android app. I was thinking about the test strategy for handling white label apps with minimum resources. My company is targeting for ...
2
votes
2answers
92 views

Should I provide as less optional size app icons as possible?

When submitting an app (especially iOS and android), there are some different size of app icons need to add into the app. Among of them, some sizes are optional, is it a good practice that I just ...
0
votes
2answers
306 views

In Ionic2, should I use HTML, JavaScript and CSS only if possible?

Suppose I am using ionic2 to create hybrid apps, and it is common that I can finish a job by either using features of ionic2+angular or just html+ javascript+css only, for example, click to disable a ...
4
votes
1answer
121 views

Why to design for mobile and scale to desktop with media query?

In the W3schools tutorial on CSS3 media queries they recommend to have the standard layout adapted to mobile viewing, and have a media query "scale it up" to desktop format when viewing on a desktop ...
3
votes
2answers
191 views

Delete user data when they sign out?

I'm writing an app, and I would like users to have the ability to sign in across multiple devices and still have their data. My question is, when the user signs out of their account on device X, ...
0
votes
1answer
116 views

What is the way to keep track of mobile clients ip?

assume Service S want send data to mobile App in device A in arbitrary time without client interaction. what is best way to keep track of A IP? the only way i can think of is to run a service for ...
2
votes
2answers
2k views

Fully API-based website - is it a good idea?

I sometimes hear about making web-site fully API based, meaning that even in browser the page is constructed based on API endpoint and practically nothing else. One of the benefits I see in this is ...
0
votes
1answer
68 views

Abstraction in Cordova

Recently, I have been coding in Cordova a lot for the company I work for. For those of you who don't know, Cordova is a cross platform development tool for mobile applications which is web based. ...
5
votes
1answer
420 views

Concept of push notifications - why is it only on mobile platforms? OSX/Windows/Linux?

At an operating system level, mobile operating systems support the notion of push notifications or a socket level 'persistent' communication with an app, whenever it is online. Why have the major ...
1
vote
1answer
44 views

(Mobile automative testing) what exactly should I test for?

I have been writing some automation test scripts for a mobile application. Thus far my tests are very basic, I am struggling to know exactly what to test. An example of a test I have written: Enter ...
1
vote
1answer
126 views

Web-based vs Native Social Login on Mobile Clients

I've been researching this topic for days, but can't really find any solid reference surrounding this topic.. The idea is providing social login for mobile client apps. That's it. Sharing, accessing ...
0
votes
1answer
84 views

Need my mobile application to connect my website, will this method be better than using an API?

I want my mobile app to connect to my website to get/post data from and to the database, respectively. I was looking up RESTful APIs (which I don't really understand how the file writing and ...
1
vote
2answers
162 views

RESTful Api for Mobile Clients

I am mobile developer and always have one particular fight with my web-service/backend developer which believe in designing restful api. Issue: As per Restful design,every api should be atomic in ...
2
votes
2answers
277 views

Two apps vs one app

We are developing a mobile app/apps which has two parties involved, creators and consumers. Creators first register themselves, get verified and then create the events. Consumers browse for desired ...
4
votes
1answer
1k views

Rest API calls with side effects on other resources

Let's say I have a mobile app, android/iOS and a java Spring back end. Given the mobile connectivity, the number of network round trips must be limited, ideally, 1 or less per screen. Now, let's say ...