Android :: Techniques For Writing Clients Using Remote Data

Nov 17, 2010

I need to explore the world "You wrote a killer application, but do you have an Android/iPhone/iPad client?".

My questions are:

1) which is the best way to send data to those devices? Soap and Rest as suggested here? Or are there some specific techniques? (My app is written in Delphi and I can expose data with webservices if needed)

2) For x-platform (where by x I mean basically apple products and android) development is there a tool? Or the only solution is write one client per platform that "embeds" a web application optimized for mobile devices?

3) which are the techniques for caching locally some data / working offline? Is it different in the 2 worlds or is it common?

Android :: Techniques for Writing Clients using Remote Data


Transfer Data Between One Device As Host And Many Devices As Clients

Oct 9, 2012

What is the best way to transfer data between one device as host and many devices as clients .I want to transfer data(Values like string) from many devices to one in the same time .

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Android :: Programmatically Writing PCM WAV Data

Mar 31, 2010

I'm looking for a way to programmatically save an array of shorts as PCM data. I know that this should be possible, but I haven't found a very easy way to do this on Android.Essentially, I'm taking voltage data, and I want to save it in PCM format. My function looks something like this:public void audifySignal(short[] signal) {// Create a WAV file from the incoming signal}Any suggestions would be awesome, or even references. Seems like the audio APIs built in to android are more geared for directly recording from the mic, and not so much for lower level signal processing type work (at least for saving raw data to a file). I'd also like to avoid having to manually write the PCM file headers and what not.

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Android :: Reading / Writing Data To Serve

Jun 19, 2010

I'm writing an app that will periodically send information out to a remote server, and then get relevant information about other users from that server back to the local database.What's the best way to handle sending out this info (i.e.: XML or binary) and writing it to the remote server.Also,how can I assure that, when 500+ users' data get's to the server or FTP (or better alternative?) at once, the appropriate fields gets overwritten or added, without skipping any or overwriting the entire thing?

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Android :: Repeats Existing Data After Each Writing Same Contact

Jun 1, 2010

I met this problem at writing contacts by API for Android 2.0 or greater. Each time I write the same contact which already exist in my account (Google account) I got some part of contact aggregated ok but other did not. For example fields like FN, N, ORG, TITLE always are in one copy but TEL, EMAIL, ADR are added extra so after 2nd writing the same contact I have to copy the same TEL or EMAIL. How to force API engine to not repeat existed data?

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Motorola :: Writing Android Sensor Data To XML File

Nov 9, 2010

I am developing an application that read data from sensors and write those data to an XML file when you press a key. i have 2 activity one for button and another is an Activity who implements sensorEventListener. the problem is my main activity is button and couldn't get data from event listener activity. i think the listener activity is not active but when i create an intent and start activity with that intent the program stop working. the button is able to create XML file solely.so how could i read sensor data from sensors,and how to send them to XML file when the button got clicks.

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Android :: Public Calendar API For Reading / Writing Event Data?

Jan 7, 2010

Is someone from Google able to advise when the Android SDK is likely to include a public API for reading/writing event data to the user's calendar? Searching the forums I see that this is a much desired feature by many developers but I haven't seen any indication as to when (or even if) this need will be addressed.

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Android :: Code Samples About Writing And Retrieving Data From Website?

Mar 9, 2009

Was just wondering if anyone had any code samples about writing and retrieving data from a website? I am currently creating an application which populates its textviews by accessing information from an online source.

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Android : What Profiling Tools Or Techniques Can I Use

Oct 6, 2010

I need to find where the bottlenecks are in my Android app.

What profiling tools or techniques can I use?

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Android :: What Are Some Techniques To Create Scrollable Areas?

Mar 17, 2010

I'm getting started with OpenGL ES on Android and I'd looking to learn some techniques to have a game map larger than the visible area.I'm assuming I've somehow got to ensure that the system isn't rendering the entire scene, including what's outside of the visible area.I'm just not sure how I'd go about designing this.This is for simple 2D top-down tile based rendering. No real 3D except what's inherent in OpenGL ES itself.Would anyone be able to get me started on the right path? Are there options that might scale nicely when I decide to start tilting my perspective and doing 3D?

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Android :: Want Sql Optimization Techniques For Databases Has Nearly 80,000 Records

Jul 14, 2009

I want to know optimization techniques for databases that has nearly 80,000 records,
list of possibilities for optimizing

i am using for my mobile project in android platform
i use sqlite,i takes lot of time to retreive the data.

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Android :: What Is Best Way To Sent / Receive Data From Remote Database?

Mar 6, 2009

I'm try to sent/receive data from my remote db server (MySQL) , I know I can't connect the MySQL directly on android . And I'm trying to use the soap , but I'm not sure if this is the right way?I don't have any experience on it , so my question is:" what is the way to sent/receive data from remote db server " in general ? Does it have any examples I can see ?

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Android :: Connect Application To Remote Data

Jun 8, 2010

talk about limited information! I'm trying to get my Android application to connect to an online database to access information. There's quite a bit of info including geotags and these are going to be mapped on my app. The developer site has the very informative piece of information:You can use the network (when it's available) to store and retrieve data on your own web-based services.

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Android :: Insert Data Into A Remote Mysql Database

Nov 24, 2010

We have an android app that currently sends data to a php script which writes to a mysql DB on the same server. We are thinking of using a scalable remote DB e.g. amazon RDS.The question is how does our android app write to these remote DBs? Do they have some kind of rest API, or do we have to send the data to the same php script on our server but use that to post to the remote mysql DB?

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Android :: How To Store Data In Remote Database / Retrieve Back?

Dec 2, 2009

Am new to mobile development environment as well as android. I m trying to store data in the remote database and retrieve back.

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Android :: Remote Process - Service Fetches Data From Network

Sep 15, 2009

I needed to call a remote service. The service basically fetches data from the network. I am bind the connection once,and then I unbind the connection when the user is no more in that page. Everything works fine.Except that when I call the sa,e remote method for 17th time,it just does not call the service at all.It neither throws the DeadObjecti Exception. I have run out of ideas.Is there anything that I may be missing.

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Android : How To Upload Phone Data Onto Remote Server - A Database

Sep 17, 2010

I am doing some android development, and now I need to send some android application generated data onto a remote server (a database)?

How can I do that? can I use direct JDBC connection and sql?

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Android :: How To Pass Complex Data Structures Between Service And Remote Binder?

Feb 17, 2010

The object passing between an Android service and the remote binder is happening through serialization of the object. If the service needs to return a very large collection, it seems very inefficient to use this. What is the recommended way to deal with this?

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Android : Content Provider Implementation - Original Data Stored On Network Or Local/remote File Systems

Jun 13, 2010

I'm now trying to implement my own content provider. My original data was stored on network or local/remote file systems, so I want to provide data via input stream. I know that client may call ContentResolver.getnputStream to retrieve the input stream to access data. But I don't know how to implement content provider in this situation, I searched the Internet but all the tutorials for content provider are talks about how to expose data that stored on local database. how to expose data that stored on file systems using a content provider? what happened when client call ContentResolver.getnputStream? I want to know how to return an input stream to my client.

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Android :: Total Control Remote Edition (IR Remote) Video

Jul 26, 2010

added a quick demo video of our upcoming Android Infrared (IR) Remote.Initially it will support a full IR dbase of 300,000+ IR codes, IR learner for any code not in the dbase, Pre-Built GUI so it is simple to setup. Will add rs232, relays, and other tcp options also after initial release.

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Android :: Data Exchange With Remote Server In Android

Feb 26, 2010

I'm building an application for android which collects user data. Also I'm going to build a website which will use that data where users can have an account and synchronize data with phone and website (I guess it's quite common setup). Site will be using MySQL database, but I want it to be database independent using some kind of API. I think I'm going to use Python for website (Django). Since I haven't started whole synchronization part yet I have a question on how to do it best. Which protocol to use - JSON, SOAP, XML (any other)? Which is best supported in android?

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Android :: Looking For An App To Remote To Desktop For Remote Meeting

Aug 1, 2010

Looking for an App to remote to my desktop.I am trying to see if I can access magicjack on my desktop and make true voip calls.

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Android :: Android.. How To Upload Data From Android Phone To Remote Database?

Sep 17, 2010

I am doing some android development, and now I need to send some android application generated data onto a remote server (a database)?How can I do that? can I use direct JDBC connection and sql?

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Android :: Strategy For WCF Server With Net Clients?

Apr 15, 2010

I am using WCF to write a server that should be able to communicate with .Net clients, Android clients and possibly other types of clients. The main type of client is a desktop application that will be written in .Net. This client will usually be on the same intranet as the server. It will make an initial call to the server to get the current state of the system and will then receive updates from the server whenever a value changes. These updates are frequent, perhaps once a second. The Android clients will connect over the Internet. This client is also interested in updates, but it is not as critical as for the desktop client so a (less frequent) polling scenario might be acceptable.

All clients will have to login to use the services, and when connecting over the Internet the connection should be secure. I am familiar with WCF but I am not sure what bindings are most appropriate for the scenario and what security solution to use. Also, I have not used Android, but I would like to make it as simple as possible for the person implementing the Android client to consume my services. So, what is my strategy?

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Android :: Using OS 2.1 With POP3 And Email Clients

Jul 16, 2010

I'm using the EMail Client "Eudora" on my computer to retrieve messages on a POP3 Server. I don't understand if there is a way to retrieve the same messages from the POP3 Server on my mobile phone. The phone is running Android OS 2.1. I manually added all the information into the native E-Mail application on my phone, and it works fine for a couple hours then stops for a few hours, and then it works fine again, but then stops working again for a few hours, and so on and so on.

In addition, I received messages from 8:07AM to 10:39AM, then received no messages between 10:40AM to 1:42PM. At 1:42PM I started receiving messages again; the weird thing is I only received messages after 1:42PM, I can't retrieve the messages from the gap between 10:40AM and 1:42PM. And yes I'm sure I received messages during that time. I can't figure out any correlation between what I'm doing with the phone, and when the phone receives emails.So, my question - Is there a way to view messages from a POP3 server on my Android OS 2.1 phone using any E-Mail client?

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Android :: Email Clients That Support OWA

Sep 22, 2010

Let's get real here. There are tons of threads that cover email on the droid. But Seriously, What are some good apps that support OWA <-- Emoze is the only one I can find so far, however it is not supported on droid at this time. This should be a very basic piece of software.
- connect to a https:// site - you may need to install a security certificate?
- logon with username and password
- send / receive mail

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Two Android Clients And One Java Server?

Mar 5, 2013

I've created a java server and an android client (A), the client(A) gets it's GPS coordinates and sends them to the server, I need the server to send them to client(B). I'm not entirely sure as to what to do, whether I should have separate ports etc or what.

Below is my two clients and server

SERVER

[HIGH]import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Scanner;

[code].....

With this, I run the server, then run CLIENT B in the emulator and CLIENT A on the device, once I run CLIENT A, CLIENT B force shuts.

CLIENT A / SERVER connectivity is 100%, it prints to console (for testing). What I need to try to find out is how do I send the data to CLIENT B, I have used different ports and i'm sure that's why CLIENT B force shuts.

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Android :: Inbuilt VPN Not Work For Cisco Clients

May 31, 2010

I am using vpnc on my computer to connect on my university VPN. Once again, the configuration is not straightforward, but, mainly, I use IPSec, I have an ID for the VPN, a gateway URL, a secret word, IKE Authmode of PSK, IKE DH Group, Xauth username, Xauth password, I need to enable Single DES, and I have two 'target networks'.

The fact is that Android (2.1)'s built-in VPN does not ask me all these info. It keeps asking for a pre-shared key (this is evidently the contrary of the certificate method), but I do not have such a pre-shared key. Connecting (to the VPN) through my computer works perfectly. What can I do to make Android compatible with the VPN?

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Android :: Any Multi IM Clients With Push Notification?

Oct 8, 2010

Was just curious if there were any multi IM clients (meaning, ones that have AOL, Yahoo, Facebook, MSN etc all in one) that had push notifications? The one thing I miss on my Blackberry was the IM+ program. I could set it so that I could receive IM's via email (which come's in handy when working in a hospital and the signal goes out at times).

So whenever someone messaged me, I would get it in my email when I had a signal and respond back via email. Is there anything like this out there for me on my HTC Hero Firmware 1.5? I currently use the free eBUDDY program and have slightly tried out the free IM+ and Palringo. But I am not having any luck with finding one that has the push notification.

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Android :: Creating IM Clients Other Than GTalk Using Smack API?

Dec 8, 2009

For the past two weeks, I am working to create an application ,which is used to communicate with all Messengers in android. I am using Smack api for that, and now I can able to connect to the GTalk.Now trying to connect it to the Yahoo messenger. But it is throwing some exception. I want to know whether we can create Yahoo IM client using smack api or not. If possible please give the list os IM clients supported by Smack api.

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