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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1answer
125 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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3answers
132 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
166 views

Best practices for remotely resetting a mobile app's content/settings

What would be the best approach to resetting a mobile app's content/settings? Let's say the app is cross platform: iOS/android using javascript/phonegap. The current way this is designed is to have ...
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2answers
64 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 ...
26
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1answer
1k views

Rest APIs - mobile specific challenges

I'm working on a new iOS app project, on the mobile side. Some architecture changes are happening and it turns out we will have to rely on a custom built private API that will be used by the app we ...
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2answers
71 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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1answer
53 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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2answers
29 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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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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0answers
31 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
45 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
193 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 ...
8
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3answers
670 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
553 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
184 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 ...
2
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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
95 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
91 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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0answers
31 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
76 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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2answers
181 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 ...
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1answer
673 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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2answers
907 views

angularJS code sharing across hybrid Ionic app and regular mobile website

Ok, so in our 'innovation lab', there is currently a push to use Ionic, an hybrid app framework built on top of Cordova for native access and angularJS for the ‘web code’. There are also some ...
11
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3answers
12k views

Push vs Poll when large delay (hours) is acceptable

It seems commonsense nowadays that polling is a bad practice and pushing is the way to go when developing mobile applications that require to constantly receive data from a remote server. All major ...
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5answers
477 views

Is microoptimization worth it in mobile devices?

Usually microoptimization is considered not worth it with the following explanation: it might speed up the program by less that one percent, but noone cares of that minor boost - that's just too ...
43
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2answers
31k views

Data Synchronization in mobile apps - multiple devices, multiple users

I'm looking into building my first mobile app. One of the core features of the application is that multiple devices/users will have access to the same data -- and all of them will have CRUD rights. I ...
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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
81 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 ...
2
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1answer
98 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? ...
22
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2answers
36k views

Best way to maintain data between local and remote sql databases [duplicate]

So I have, what would seem like a common question that I can't seem to find an answer to. I'm trying to find what is the "best practice" for how to architect a database that maintains data locally, ...
0
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1answer
99 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 ...
4
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1answer
187 views

If I develop a media player for mobile or desktop do I have to pay for a license if my player is able to read MP3 files?

I know MP3 is not open source format but proprietary and I found this website http://mp3licensing.com/help/developers.html that states that you need a license for basically everything that uses MP3. ...
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1answer
661 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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2answers
2k views

Is it safe to trust emulators when developing multi platform/resolution mobile apps?

I'm currently developing some mobile applications using PhoneGap for Android, testing only in 3 different kinds of smartphones, and using emulators to test on the others target phone resolutions. ...
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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
138 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 ...
6
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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
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1answer
271 views

How to release a mobile app successfully?

This includes everything that contributes to the success of the app and is non-programming. Some points to consider: How do you make people notice your app when there are hundreds released every ...
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1answer
86 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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