Tagged Questions
-4
votes
0answers
30 views
String send to web not support utf 8 [on hold]
I try to send some text to web and this is my codes , but it's not support utf8
For example آرین Show ????
how can I delete this problem?!
FragmentForm
package com.kamalan.phpandroidapi;
import ...
-5
votes
0answers
41 views
Which cross-platform technology stack for Android/iOS would produce better performance? [closed]
Considering a programmer is fluent in Java and C++, and wants to write the non-UI logic of an Android/iOS app in the same language, which would be a better choice, writing it in C++ (then use directly ...
1
vote
0answers
77 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 ...
1
vote
1answer
51 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. ...
1
vote
2answers
255 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
1answer
66 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
71 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
108 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 ...
3
votes
2answers
293 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 ...
0
votes
0answers
60 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 ...
-1
votes
1answer
82 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 ...
2
votes
1answer
101 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.
...
1
vote
1answer
48 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 ...
1
vote
1answer
252 views
Android Data persistence question
I have an android app in which users have sets of items, and each item has about 10 properties.
What I do at the moment:
items are stored in the server database
when the user logs in, I get all the ...
-2
votes
1answer
157 views
Alternative to SIP, voice communication in Android [closed]
Is it exists any alternative to SIP protocol? I want implement voice & video chat option in my application. I don't want use SIP, because I need only simple communication without call for ...
0
votes
0answers
191 views
Problem combining SlidingMenu and ExpandableListView
As said i'm trying to combine SlidingMenu (https://github.com/jfeinstein10/SlidingMenu) with an ExpandableListView, but i'm having an issue that i don't know how to fix, so i'm hoping some one here ...
0
votes
1answer
178 views
How to get involved in open-source project? (Android/java programmer) [closed]
My question might sound stupid and not suitable for this site, but i dont have any better place to ask then here, so please bear with me.
Im a college student that love playing with android. Around ...
2
votes
1answer
207 views
GPL - Writing an exception for a plugin interface under section 7 of GPLv3
The problem
I've written a application for Android licensed under GPLv3 which needs to use Google Play Services, a proprietary library, as a plugin to the app.
Now I'd also like to add libspotify as ...
3
votes
1answer
212 views
Object oriented parser model review
First time I make use of Code Review. At the moment I'm creating an Android application and the company I'm developing it for, has a specific file format that can be used to give text based data ...
4
votes
1answer
316 views
What kind of problems is an Android beginner likely to encounter in using Scala?
I am a hobbyist programmer who makes and maintains one production system, largely coded in Python, which now has to be ported to Android. I don't know Java at all. However, SL4A in Android makes ...
1
vote
2answers
359 views
developing an android app that include a C++ toolkit [closed]
I'm a java developer and I want to develop an android app that capture a photo and extract its bags of visual words. To extract those bags of words I use the TOP-SURF toolkit which is written in C++
...
-1
votes
2answers
460 views
Importance of data structures in modern S/W development [closed]
During 1990s when there were no advanced frameworks/paradigms available for S/W development , knowledge on data structures was critical... which I can comprehend.
But nowadays, for most of the ...
2
votes
1answer
273 views
How to audit an Android application (not rooted) without having access to its source?
How can I check if an Android application running on a not rooted device is "secure" without knowing its source?
I would look for:
Plain text in Web-Requests (wireshark and emulator)
SQL-injection ...
5
votes
1answer
633 views
Should I use mMember and sStatic naming convention in Android?
Android source code and many Android open-source apps and libs use m prefix for member fields and s prefix for static member fields:
private static boolean sStarted;
private long mTimestamp;
I ...
1
vote
1answer
168 views
MyListActivity, MyCursorAdapter, MyViewHolder — nested classes or not?
I am using several activities based on the ListActivity. All of them display information from different SQLite queries, and all of them use the ViewHolder optimization. The cursor adapter have to be ...
3
votes
1answer
856 views
Why does Android's Bundle API accept ArrayLists rather than Lists
I'm new to Android and while going through a tutorial on saving Activity state to a Bundle, I noticed that instead of accepting the more generic List interface, Bundle's put methods are expecting ...
1
vote
2answers
546 views
Static vs. dynamic memory allocation - lots of constant objects, only small part of them used at runtime
Here are two options:
Option 1:
enum QuizCategory {
CATEGORY_1(new MyCollection<Question>()
.add(Question.QUESTION_A)
.add(Question.QUESTION_B)
...
8
votes
5answers
840 views
Why does Java use so many middlemen? [closed]
For example to read data from a website we do:
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
is = ...
0
votes
1answer
2k views
Android game loop in separate thread
I am about to port a game that was initially written for iOs and I am having some doubts how certain things should be done.
I have been looking many of the examples of the game loops for android, and ...
1
vote
1answer
1k views
How can I access my Handler/runnable class from all my other classes in Android?
I am trying to create a class which allows me to do something every 5 seconds and I want to be able to start and stop this from running from any of the other classes. Here is my Timer class:
public ...
-1
votes
1answer
208 views
Compile GPL-code into a JNI-capable shared library and use it in commercial software [closed]
I am developing an application for Android in JAVA which calls GPLed C-code via JNI.
I have modified & capsulated a GPL-software under a JNI-interface and compile it as a shared library (.so) ...
2
votes
2answers
1k views
Java Xml intraction in Android
I'm working on Android application development. There is a question that always comes to my mind that: How XML interacts with Java code?. I mean Button inside XML is a view, but Button inside Java is ...
2
votes
2answers
2k views
Realtime (almost) bidrectional communication in Java
I will explain the context of the problem first. For a University project I'm going to implement an Android application. The Android application (and others) will be able to send data to a remote ...
12
votes
5answers
2k views
Proper workaround for multiple inheritence in Java (Android)
I have a conceptual problem with a proper implementation of code which seems require multiple inheritance, that would not be a problem in many OO languages, but as the project is for Android, there ...
1
vote
1answer
171 views
how to develop a common pool of functions? [closed]
I need to develop an application which runs on the web as well as on mobile platform. I want to make something like a directory where i hold my common functions in respect to web and mobile platform. ...
-1
votes
2answers
536 views
What are the ways to start making actual/real-world programs using Java/C++ to excel my Programming Skills? [duplicate]
Possible Duplicate:
How do I improve my coding skills?
How I do become a better programmer as a junior developer
The programming that we learn at university is not that vast, like those ...
-1
votes
1answer
351 views
Necessitas or Java for android application development [closed]
I'm a Qt/C++ developer for Windows and Linux. Now I need to switch to Android OS and program for this operating system. I'm wondering whether it is reasonable to stay with Qt and use Necessitas ...
8
votes
4answers
3k views
Is it important to know C/C++ for Android development?
Is it possible to use only Java (without C++ /NDK) for building good, fast, beautiful Android apps (including 3D development)?
When I look for Android developer position requirements (vacancies), I ...
2
votes
1answer
2k views
About anonymous objects
In Java particularly Android development, is there any difference between declaring an object like
SomeObject object = new SomeObject();
someField.setObject(object);
compared to an anonymous ...
1
vote
1answer
195 views
Design application to send messages by marking circle on the map where you want to send message? [closed]
Design application to send messages by marking circle on the map where you want to send message ?
This is a question that was asked of me by an interviewer.
Given a map of the world, Select ...
9
votes
3answers
948 views
How to start a high school Java/Android development club for 13-17 year olds
My wife is a high school maths teacher, and is considering starting a programming club for 13-17 years olds who show an interest. Their interest seems to be around Apps and Android which I have little ...
1
vote
2answers
850 views
how to create java zip archives with a max file size limit
I need to write an algorithm in java (for an android app) to read a folder containing more folders and each of those containing images and audio files so the structure is this: ...
1
vote
2answers
307 views
Recognizing text fields according to their label value
I have an application who has text fields (not select, not checkbox or other types) where an user can enter some value, like this:
ISBN and E-Mail are the label of each input.
Now I have to ...
3
votes
1answer
2k views
Is beginner knowledge of Java enough to develop for Android? [closed]
I just finished the book "Tech Yourself Java in 24 Hours, 6th Edition" I have an understanding of the language (by understanding I mean, the basics and everything covered in the book) and I have been ...
8
votes
5answers
586 views
Is it customary to write Java domain objects / data transfer objects with public member variables on mobile platforms?
We performed a code review recently of mobile application Java code that was developed by an outside contractor and noticed that all of the domain objects / data transfer objects are written in this ...
2
votes
2answers
647 views
Best practice for combining a Java Applet/ Android interface?
I'm working on an online game, which I am seriously considering writing a Java Applet for it. The game is not overly complex on the features. I'm considering at some point having at least 3 versions ...
5
votes
2answers
369 views
What parts of Java do I need to learn for specific software projects?
I'm starting a 12 week Java course next month through my local junior college. I'm starting from square 1. I have a basic understanding of OO and Java will be my first OO language. My Google-Fu ...
12
votes
2answers
2k views
What is the ideal learning path to building Android apps with Scala, without prior Java experience
Unfortunately, there are not currently any books on the subject of 'Learn Android Development with Scala', which would be the ideal solution. I'm guessing that I'll need to pick up at least 3 books ...
9
votes
3answers
789 views
Why don't mobile platforms support generational garbage collection?
Both Windows Phone/Xbox and Android lack support for generational garbage collection. This is frustrating for a lot of programmers. There seems to be a legitimate engineering reason to it, but I can't ...
10
votes
6answers
17k views
Jump into Android or learn Java basics first? [closed]
I am quite proficient in C and know some C++, but never touched Java. Recently I got an idea for an app which I think has potential, and I want to develop it.
I am planning to go Android first, ...
