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).

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22 views

Reading (GET) Facebook Ads From Ad Library and Reading (GET) Personal Ad Account Billing Data in my Android Application

I'm trying to create an android application for personal use to do the following: Get ads from the Facebook ad library (commercial ones) not the ones with politics topics etc. and then insert them ...
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24 views

Benefits of using Flutter/Dart in comparison to traditional Java Backend/Front End

my team and I are designing a relatively generic system(copies of this already exist) for a university project, however we are relatively in experienced, and what to focus on delivering a good ...
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25 views

When using Firebase (for backend + frontend app) do I need a side backend server for fancy things?

for my next project (frontend + backend) I'm thinking about using Firebase (instead of a custom backend server for example Spring/Java), but I have a question. If I want to do something fancy on the ...
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3answers
135 views

Vector graphics are smaller in file size and more scalable than raster, why vector graphics are not used more often in web and mobile app development?

As in the topic. If yes - why, if no - why? I never seen it recommended in any android/web development tutorials to use vector graphics instead of your usual PNGs and JPGs and I find it odd. I checked ...
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2answers
85 views

Can you modify the front-end source code of a mobile app?

I get that a front-end isn't secure on the web because one could theoretically access the front-end code by opening dev tools and changing the code. Do I also need to be careful about security for a ...
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65 views

Recommended strategy for maintaining a session when navigating from app to browser?

We have an SSO application that provides authentication for a native mobile application, as well as for a web application. There are some features that the web application has that the mobile ...
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2answers
31 views

Interconnected technique for web, mobile and desktop

I am planning to do the university project with the Desktop application + web application + mobile application, I have planned to use languages for these 3 as below: Desktop application: Java SE Web ...
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1answer
71 views

Best way to store Session token on mobile App

Backgroud Building a mobile App for product X which is currently hosted as a SaaS solution. The product X does not support OAuth currently, implements basic authentication and generates Session token ...
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48 views

Biometric authentication with back-end verification service process

I am working on an application where I will be using Android and iOS biometric authentication. Coding the use of biometrics on the devices, including prompting and determining whether or not the user ...
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1answer
52 views

One Super App or Many Single-Purpose Apps

While Players like Rappi/Alibaba / Wechat have gone the super app way, i.e on single app to host many unrelated services, Ecosystems like Google, Amazon etc still have multiple single purpose ...
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4answers
188 views

Is it required for an app developer to know information security?

So I've been an indie apps developer for 2 years (I launched my first Android app at the end of 2017), and I've built few apps since then, but all of them were simple apps. Currently I'm planning my ...
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1answer
94 views

How do you implement an app autoupdate feature from scratch?

I am trying to imagine how Google Chrome automatically updates but have some questions: Is this against Apple's terms of service? I feel like I've seen somewhere that Chrome for MacOS isn't in the ...
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3answers
225 views

Why local database should be the only source of truth for mobile application?

Being mobile developer for quite some time (ios/android) I've learnt that local database is very rarely needed. Mobile application are mobile by definition, they usually serve only as clients to ...
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3answers
679 views

How can a website get the phone number of the device used to call it?

I'm not registered with Facebook and I've never logged in to Facebook inside the browser I use, Today I enter the site facebook.com and see my actual phone number on the sign in page with this message:...
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1answer
735 views

Offline-Login Procedure in PWA

I have kind of a unique usecase: Phones that are used to connect to the app might be shared Connections are very unstable (sometimes no connection for half a day) Data should be accessible through ...
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2answers
149 views

How is fast-scroll simulated?

I've noticed on web and mobile apps, when scrolling down to the bottom of a list with thousands of entries it reaches the bottom instantly but appears to be scrolling through every entry. How is ...
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2answers
185 views

What is done when an urgent fix for an app is needed but updates have to be approved by Apple/Google etc?

I have very little experience in this area, so sorry if I use any incorrect terminology or if this is a stupid/simplistic question in general. But from what I understand, when a developer wants to ...
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1answer
328 views

How can I accurately estimate the minimum resources my application needs?

For an application that is starting out I do not want to over pay for servers and resources that will not be used since the budget is very limited at this point. This will be a for an iOS and Android ...
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1answer
41 views

How can I modify web content on a mobile browser?

I want to build a small extension for major browsers that modifies the HTML and CSS of certain pages. On a desktop browser, this can be accomplished easily. On mobile browsers, however, content-...
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1answer
22 views

Transaction management on mobile applications

While there are prescribed methodologies for the middle layer when it comes to transaction management like Saga pattern etc. I want to know what's the advice on handling such on a mobile application ...
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1answer
122 views

How can I webscrap images from pinterest and use them in a mobile app?

I have this idea of an app and I'm a little frustrated by how much I don't know how to proceed. My app is basically an art recommendation app. You start with 3 base images and for each images you ...
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3answers
98 views

Best practice for feature flagging in mobile apps while avoiding incomplete functionality?

I'm wondering how best to handle the scenario of releasing a mobile app that includes an incomplete feature behind a feature flag in one version and then the completed feature behind the flag in a ...
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33 views

How to generate object Ids for both local and online storage?

My application has both offline (SQLite) and online (iCloud) storage. See: Offline First: How Do I Fetch Data? Now, as stated in my past question above, the application is offline first, and I'm ...
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1answer
78 views

Are there pitfalls to using only a remote database for a mobile app?

My research indicates that the ideal database design is: Mobile App -> Local Database -> Syncing -> Remote Database using something like PouchDB to do the data replication/syncing. But ...
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1answer
57 views

Authentication, Sign In mobile

I am new to mobile development. As i understand the best way to authenticate/give authorization to a user is using OAuth2.0 with the social providers as Facebook, Google ect ... When we enter the ...
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1answer
704 views

REST API Authentication: Cookie vs Web Storage

Note: This question might sound like a duplicate, but all other similar questions did not take into account (mobile apps, iot's, web, 3rd party usage). Specifically, in dealing with the clients ...
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1answer
37 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....
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1answer
126 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 ...
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1answer
35 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
83 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 ...
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2answers
2k 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 ...
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1answer
101 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? ...
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1answer
713 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 ...
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1answer
106 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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3answers
4k 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 ...
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2answers
84 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 ...
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1answer
141 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)....
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2answers
3k 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 ...
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1answer
87 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 ...
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1answer
70 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 ...
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1answer
54 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 ...
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4answers
906 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 ...
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1answer
282 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 ...
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2answers
235 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 ...
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3answers
738 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 ...
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2answers
481 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. ...
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1answer
440 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 ...
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1answer
244 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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1answer
60 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 ...
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1answer
342 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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