Android is Google's open source OS and system for smart phones and tablets. For user questions, see http://android.stackexchange.com

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-1
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0answers
74 views

What steps do you take to ensure that a bug fix doesn't break anything else [on hold]

What steps do you take as developers to avoid bug fixes affecting other parts of the app? I would like to be confident that my bug fixes haven't broken anything else in the app, before handing the ...
-1
votes
0answers
31 views

Moving from .net to Android - what is the best way for two apps I am developing? [on hold]

I have been developing with C# for a few years. I would love to go the Xamarin route but management have decided against that (too many java developers in the company) and I have to start learning ...
-2
votes
0answers
33 views

use Unity engine for solo project, Agile Scrum methodology [on hold]

I have solo project for making Android mobile apps simulation game for driving school learners of motorcyclist using Unity game engine I want to use Agile methodology with Scrum, and I've heard Scrum ...
0
votes
1answer
24 views

Same android app connecting to multiple database -concept

I am looking for best method to create application which are connected to different databases based on client So basically it is a multi tenancy model for an android app (enterprise use) Deploy the ...
0
votes
0answers
6 views

Syncing structured data and files in Android App with an ORM?

I am developing an Android App which I have developed for iOS before. The app requires that structured data and files are synced across android devices. In iOS, I was using Core Data and synced to ...
-3
votes
0answers
27 views

How to create my own widget app on android [closed]

i want to create my own widget app, like google search widget on home screen, so when user clicked search something this automatically load web content on my site. i confused about query algorythm. ...
0
votes
1answer
76 views

Could we drop support for Android native browser on our web site? [closed]

I work with an interactive web portal that has a few single-page apps and complex html structure. The aim is to support all browsers that our customers use. We have implemented responsive web design ...
0
votes
1answer
28 views

Data Sync between Android apps in LAN

I am looking at developing an app which has quite an extensive database. This app will be installed on multiple devices in a LAN and all users can update the data and other users will see the data as ...
-4
votes
1answer
104 views

Is it bad to feel guilty using lots of libraries? [duplicate]

So I'm an android programmer,have been programming for about 3 years,but it wasn't until 5 months ago that I started really taking it seriously. Recently I got my first internship,and I'm happy with ...
0
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0answers
33 views

offline application development for mobile devices

I am looking to develop an application whereby field staff can complete forms in an offline capacity (when onsite I`m assuming no internet connection) on an Apple or Android device and post the ...
0
votes
1answer
81 views

How can one presenter be used for multiple views in MVP

I am using MVP for creating an android application, which takes data from server and sets to activity. I am forced to create one presenter for each view. Each view is unique because each view has ...
-1
votes
0answers
25 views

Does object of type Bitmap holds the bitmap data temporarily [migrated]

I'am creating an android app which has only following 4 views ImageView iv; Button browse; //Used to select an image from gallery Button filpImage; Button restoreOriginal; upon user clicks on ...
0
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0answers
31 views

Java API initialization step

I am developing an Android Library which involves both Network and Bluetooth communication. In order to start using the library it must be configured. In other words a request to the backend must be ...
4
votes
2answers
134 views

Does having many duplicated methods and deep inheritance hierarchies in GUI APIs (Java Swing, Android SDK) violate the SOLID design principles?

For those unfamiliar with the SOLID principles you can start reading here: Wikipedia article. However, most of my understanding comes from: http://www.objectmentor.com/resources/publishedArticles.html ...
0
votes
2answers
66 views

Managing multiple versions of the same Android Library Project

I have an Android Library Project which I intensively used in a few projects. I started a new project in which I am also using this library. I want to improve some things in library (method ...
1
vote
4answers
246 views

How to ensure multiple clients don't poll the server at the same time?

I am making an android app which will talk to a web service to get data. The web service has a rate limit of 100 calls per minute. Is there a way, recommended method to ensure that the app across ...
0
votes
1answer
76 views

Android, using a Fragment to hold/edit complex object, accesible from any Activity

I'll do my best to describe the problem, but I'm still very new to several concepts that I think this problem requires to be solved (namely interfaces and threads). I should preface this by saying ...
0
votes
1answer
55 views

Android: Is root absolutely required to re-link libs in Play Store APKs?

This question pertains to the re-link clause of the LGPL specifically on the Play Store. There's lots of unclear information about this topic. Assuming there's an application on the Play Store that ...
1
vote
3answers
96 views

How to check in website/url have been updated or not?

I am trying to make a Android application which will take your URL and if there is new update on that website then it will show the user that this link have been updated. I am working on the project ...
0
votes
1answer
62 views

How can I test my camera-dependent android app on most devices? [duplicate]

We are developing an app for taking photos faster. We do this by actually taking videos instead of photos and processing the individual images in the video on the fly and combine them to create a ...
0
votes
0answers
32 views

Is this synchronization required in service onCreate method?

Below is a sample code i captured from android doc Per service instance onCreate will be called only once. Ref: here and here The synchronization and singleton doesn't make any sense to me in this ...
0
votes
2answers
399 views

How to connect Android App to MongoDB deployed on Google Cloud

Currently I am working on a simple app which will be able to connect to MongoDB which is deployed in Google Cloud. I have set it up MongoDB ocaly on my computer and I have made a little JAVA console ...
0
votes
1answer
51 views

How to format Android view IDs

I struggle with this every time I work on a project. I am not entirely sure what the standard conventions are for creating view ids. I usually use something like view_more_button but then if we ...
1
vote
0answers
115 views

Large Scale Application Development in Android

Since, I am fairly new to large scale app development in Android and Java, I though I would ask for your advice guys. My team was faced with developing a prototype of a fairly complex medical ...
-2
votes
1answer
104 views

What is the legality of making a mobile app version of an existing card or board game? [closed]

I see that the market is full of mobile apps based on card/board games. For example, do a search for "Taboo" and there are many results which are not published by Hasbro Inc. Is this legal? The top ...
1
vote
1answer
148 views

Should CountDownLatch be used for waiting for an event?

I have a situation here, where I have a loop that loops x amount of times. The value x is determined by the user. Everytime it loops, I want it to wait for a button click before continuing the loop. ...
0
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0answers
173 views

Best practice: Secure Android app online authentication

Currently, I develop an Android App needing online authentication for login (and registration). The main focus is on security. I’m amaing for: keeping the users’ passwords safe and preventing MITM ...
3
votes
1answer
121 views

Android testing - bugs not reproducible [duplicate]

We have the following problem: at the end of the iteration we give our Android app to our customers to test. Our customers report bugs that are not reproducible on our test devices. How can we deal ...
3
votes
1answer
173 views

How to implement await in Android

This is a general question to understand how await in C# works, and particularly I am interested in implementing it in Android. So C# await allows you to go in to waiting mode in the middle of the ...
1
vote
1answer
1k views

Moving a multi-activity android app into a navigation drawer activity

I'm making an Android app and have it structured as a simple multi-activity app. I want to add a navigation drawer to it, and it looks like I will need to completely restructure the app and load ...
1
vote
1answer
141 views

Should data be stored to local database in Android when heavily using REST services?

Let's say I have an application that has constantly changing data. Changes are so frequent that you basically need to refresh data every time you open some screen and keep refreshing it. Is it worth ...
1
vote
2answers
107 views

Android SDK and Iphone SDK limitations

I have an idea that would require triggering a call or text message simply by pressing or dialing a certain number. Example: Pressing 2324 on the pin code. Despite it not being your pin code to ...
1
vote
0answers
32 views

Android network Lib development

I have to develop an Android library that should frequently communicate with a server in the background. Access to the lib Object should be guaranteed everywhere in the Apps that will use it, so I ...
2
votes
4answers
541 views

How to develop cross platform mobile applications with native UI and Javascript backend?

I want to build a cross platform(Android, iOS, Windows) mobile application. I want the UX of the application to be different on the different platforms so that it will be more platform specific and ...
0
votes
0answers
54 views

VPN system to analyze users traffic (onavo-like)

I would like to develop a system that is able to analize the network traffic of people using it. I am interested in the URLs that the users request. Let's say the users targeted are on iOS or Android ...
4
votes
0answers
367 views

Why does the new ADT create a static inner class Fragment by default?

Honestly, I can't help but feel that this is done merely to confuse newcomers. Most of the errors on Stack Overflow by complete Android newbies mostly stem from that they have a static inner class ...
0
votes
1answer
96 views

Android Icons Square [closed]

I created an action bar icon for an Android app I'm working on and it seems to downscale my icon. The thing is, it isn't a square icon. The width is greater than the height. Do I really HAVE to ...
1
vote
1answer
90 views

Ensuring submitted hiscores are not fake

I have a small game that I would like to keep track og global hiscores for. The basic is simple: username and score is submitted to a server for storage and later polling. However how do I ensure that ...
1
vote
1answer
69 views

Use camera to analyze homogeneity

We are working with some screens whose in the production process change their state from a transparent state to a colored state. This colored state is achieved to block light transmittance. In this ...
1
vote
1answer
434 views

Guidance on android type app to connect to sql-server

Excuse my ignorance but we've got an application that we'd like to sample out on a mobile app The app is a C#/asp.net application connected to our sql server database. If we are going to write an ...
1
vote
2answers
284 views

Is it okay if we use an arbitrary string as UUID?

I found the tutorial of client (android) and server (pc) bluetooth tutorial from here. But my question is about the UUID. Is that okay if we define it randomly without the proper format? Because I ...
0
votes
2answers
89 views

What is selection and what is projection

I am working on Android with the query() method of the ContentResolver class and it accepts 6 parameters, (uri,projection,selection,selectionArgs,sortOrder,cancellationSignal) for selection and ...
0
votes
0answers
89 views

What are the implications of the cache when using notifyDataSetChanged?

I use Volley to return JSON from an API. I parse this JSON and add StoreItem objects to a List, then use an adapter to display in a listview. I use the cache functionality in Volley, and I'm ...
0
votes
1answer
94 views

What's the best way to store options with multiple/boolean choices in an Android app?

I'm working on an Android social app which connects to a Postgresql database for up-to-date user data and is going to use lookups for dropdown menus, and these lookups will either have multiple ...
0
votes
1answer
89 views

Analogy for Android fragments [closed]

I'm trying to understand the flow of Android apps. I come from a RoR background, so I try and use that background to understand new concepts in Android. Here's my question: How can I think about ...
0
votes
1answer
81 views

Broadcast receiver Or Services

I am creating an "Alarm Clock" app in Android. I learned that we can implement OnReciever() method and write those things which we want the alarm to do after an intent is fired. But I have now come ...
0
votes
1answer
109 views

Sortable listview using SQLite [closed]

I'm implementing a sortable listview using bauerca's library here. This works, but now I need to define some things where I need some help. This is the functionality of my app_ I can create up to 5 ...
0
votes
0answers
180 views

Android From Local DB (DAO) to Server sync (JSON) - Design issue

I sync data between my local DB and a Server. I'm looking for the cleanest way to modelise all of this. I have a com.something.db package That contains a Data Helper and couple of DAO classes that ...
6
votes
1answer
809 views

Why use Android Fragments?

I have read the documentation and some other questions' threads about this topic and I don't really feel convinced; I don't see clearly the limits of use of this technique. Fragments are now seen as ...
0
votes
1answer
637 views

Inserting data to database from Android

I have to build an application where the requirement is that my clients will send data from their Android device and I have to save that data to a database. I have done the part of coding that ...