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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37 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
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0answers
32 views

Genymotion is free for personal use - what does it mean? [on hold]

Genymotion Android emulator is "free for personal use". What does it mean for me? Can I use it to develop Android applications?
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0answers
36 views

Android building recognition api for application development [on hold]

i' ve searched a lot about this feature, very similar to facial recognition,but i didn't find any google's examples or documentations. i' ve read this: google googles which seems that it will operate ...
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0answers
37 views

Android Studio 0.8 offline guide and tips before creating project [closed]

I want to learn Android Development and I am thinking of using Android Studio. Just downloaded Android Studio 0.8 BETA. Installed it. Now, I have low bandwidth connection and building an android ...
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0answers
32 views

why java standards were opted for android [duplicate]

I am an android developer and was doing some work, just came across this little thing that why the java standard were opted for the android development. There are other platforms too,that was capable ...
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0answers
12 views

Problems with my marquee underneath a ViewPager. Is my code inefficeint? [migrated]

So basically I have a ViewPager that has an image on each page with a total of 6 images for now. I plan to update the ViewPager every scroll by removing the previous image and adding another image to ...
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vote
2answers
70 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 ...
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0answers
26 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
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2answers
142 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 ...
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0answers
35 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 ...
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0answers
13 views

How To Insert LZMA Files [migrated]

I hope someone can help me on this. This is for the Freescale IMX6Q tablet (Zenithink C-94). This really is a good tablet that never a chance. Originally came out with ICS 4.0 on it. Freescale ...
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0answers
44 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 ...
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1answer
62 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 ...
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0answers
19 views

How to transfer metadata using Bluetooth between an iPhone and an Android mobile?

I would like to develop a hybrid app to transfer data/meta data between an iPhone and an Android mobile device using Bluetooth. I could find BTStack and PhoneGap useful. But, is it possible to ...
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0answers
45 views

NewAer SDK how to start? [on hold]

There is an SDK called NewAer SDK. This will enable your devices to detect one another. Especially using Wifi/Bluetooth signal. But the question is, how to start? And where to start? I did sign up ...
-4
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0answers
48 views

Proximity SDK alternatives for Android [on hold]

Perhaps you used Wifi using Android SDK to get the device recognition each other. Or perhaps you used bluetooth for that purpose as well. But do you know that I found these two SDK(s) that provide the ...
1
vote
1answer
85 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 ...
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0answers
3 views

Issues compiling app to run on phone (android studio) [migrated]

I have just started writing my first android app. Initially I started with Eclipse plus ADT plugin and launching the app on my phone worked fine. I then switched to Android studio and whilst I prefer ...
1
vote
1answer
58 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 ...
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1answer
49 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 ...
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0answers
47 views

Android Set Device DIscoverable (bluetooth) without any dialog [migrated]

How can I set the dialog to be hidden / suppress it to Yes when I try to execute the following code below? discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE); ...
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vote
2answers
238 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 ...
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2answers
71 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 ...
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0answers
36 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 ...
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0answers
3 views

What method call in HttpsURLConnection actually sends the HTTP request? [migrated]

I am new to the HttpsURLConnection class in java, and looked on the doc and found it not very enlightening. I have inherited this code on a project I am working on (I did not write it myself) and ...
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1answer
47 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
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1answer
56 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 ...
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1answer
59 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
60 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 ...
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0answers
75 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 ...
5
votes
1answer
344 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 ...
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vote
0answers
137 views

ASP.NET MVC WebService - Security for Industrial Android Clients [closed]

I'm trying to design a system that will allow a bunch of Android devices to securely log into an ASP.NET MVC REST Web service. At present neither side are implemented. However there is an ASP.NET ...
0
votes
1answer
167 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 ...
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1answer
52 views

Android -> Ruby Server Interface -> Mongodb

I've been wrecking my brain about this for a few days. I'll run my scenario by you and hopefully you can help me. In my head this is how it goes: I have an Android App. I want my Android App to make ...
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0answers
36 views

Online error reporting without network access

I have developed an application for android requiring no permissions, but the biggest downside of this is that I don't have error reporting. So, I was playing around for the past week with any ...
0
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1answer
81 views

Android proprietary app including Apache-2.0 licensed code from Google

My Android app contains some Apache-2.0 licensed code from Google (in-app billing example) and links to com.android.vending.billing library in the form of a InAppBillingFile.aidl file (same license?). ...
0
votes
1answer
61 views

Android DB With Some Multi-Language Data

I have a SQLite Database in my Android app with a "Question" table, among others. That table contains "default" or "pre-loaded" data (in this case the questions asked by the app). Some of its columns ...
2
votes
1answer
199 views

Shouldn't Android's TextView.getText() return String instead of possibly mutable CharSequence?

I've just spent hours debugging some code because I forgot (actually never considered it) that TextView.getText() returns CharSequence that may be in fact a mutable class... Shouldn't it return ...
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0answers
19 views

versioning data schema in android internal storage

I am using Android's internal storage to hold data for my application and I am trying to find a good way to handle reading data of an older schema. For example, let's say I have serialized and written ...
2
votes
2answers
249 views

Dalvik + Java licensing question

This is a licensing question about the Dalvik and J2SE core libraries. In particular the license governing java.util.concurrent.SynchronousQueue. The license header of the class in the JDK source ...
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0answers
53 views

how to separate the logic of different views when using android viewFlipper?

I use a ViewFlipper in a dialog. I want to fetch the data from the EditText in both of them and also add click listeners to both of them. I can write the whole code in one big file, but i want to ...
-2
votes
1answer
94 views

calling an abstract method in abstract class

Suppose i have an abstract base class Parent which defines an abstract Method A(some parameter) taking a parameter, also it defines an instance Method B which calls method A(parameter) inside its ...
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0answers
58 views

Publish an app on Google Play from Iran [duplicate]

I'm a high school student and I'm really into computers and programming, I mostly program in java and 3 months ago I started developing for Android. It was pretty easy and straight forward aside from ...
0
votes
1answer
61 views

What is the meaning of MODULE_LICENSE_BSD_LIKE in Android source code? [closed]

In Android source code, we see files like MODULE_LICENSE_APACHE2, MODULE_LICENSE_BSD_LIKE, MODULE_LICENSE_W3C. An outside observer would think that these specify the intended license that applies to ...
-1
votes
1answer
79 views

is there a way to leave notificationManager and alarmManger alive even when the app is closed?

how would you recommend for me to design an android app where i want it to 1) send location update every 10 minutes 2) to show push notification I want both actions be available even when the app ...
3
votes
2answers
185 views

Tablet development for a dedicated system

I need to make an architectural decision for developing (actually porting) my embedded solution on a tablet. The choice comes down to Ubuntu or Android, so I have some specific questions to help me ...
2
votes
1answer
99 views

Architectural problem for Activity communication in an Android app

I maintain an open source Flickr app Glimmr for Android. There is currently an architectural issue around pagination that I've been trying to solve for quite a while, and would appreciate ideas. ...
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1answer
101 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. Are ...
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vote
1answer
47 views

Android apps and GPLv2 classpath exception

My Android app needs javax.activation and javax.mail (both GPLv2 licensed). However, I don't want to make my app GPL-licensed. What are the possibilities to not break the license requirements ...
0
votes
1answer
233 views

In Android can we let a fragment know other fragments?

I think I have found contradictory design guidance within the Google Android documentation on fragmentation. The first statement below advises each fragment be unaware of other fragments and always ...