Android :: Connecting My Service With The Db
Aug 22, 2010
I'm working on a service that collect data from sensor and save a fast fourier trasform in to the db, but when i press the red phone button (to make the screen black) it don't save anything. Any idea?
In addition i noticed that when i stop the service, it continues to read sensors, how should I do?
This is the code that i use to connect and start the service:
CODE:......
And this is my Service (public recClass recc; is the class that manage the db):
CODE:....................
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Nov 21, 2010
I have a situation which I will try to explain clearly. I have two services, Service A and Service B.
Activity C connects to service A using onBind(). Service A connectes to Service B using a callback object. I want Service A's onbind to not be executed until Service B is connected to Service A. What will be a good way to achieve this?
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Oct 27, 2009
Please help... I am having trouble getting past the line when using ksoap2 to connect to .net web services Code...
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Mar 13, 2012
I am looking for a way to connect with MySQL without use WebServices, using only JDBC driver connector.
My Android app only works in local network(wireless) and I don't wanna used webservice.
I'm trying this.
Code:
public class MyConnection {
private static Connection con;
public static Connection getConnection() {
try{
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/banco,user,pass");
[code]....
In manifest file I added this: <uses-permission android:name="android.permission.INTERNET"/>
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Jun 24, 2009
I have a service running in the background.I have a background thread that gets a reference to the service from the application's main activity. But when the background thread calls a method in the service to display a toast, I get the "Looper not initialized exception".Why,if I have a valid, bound reference to a Service, does this still happen?
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Aug 20, 2009
I am getting following message when i try to launch service.Also is there any specific path on file system where we need to place the .apk file which contains my serivce component only.
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Jul 22, 2010
I am trying to run the sample soft keyboard included in the SDK. I am using the debugger, and the literature says that to use a breakpoint while debugging a SERVICE, I need to include:
android.os.Debug.waitForDebugger();
So here is the portion of the code I modified:
CODE:...........
I have put a couple of breakpoints, at the statements indicated by the comments.
This is what happens: the debugger first stops at the breakpoint1, for a few seconds. But then the service restarts. For the life of me I can't figure out what makes the service to restart.
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Mar 1, 2009
My service works exactly the way i want as long as i use start and stop and communicate using intents. However my activity needs to change the state of my service as well as retrieving state information.So i thought it would be nice to broadcast some kind of state_changed event from my service and use a binder interface to pull information from the service or change the services state based on user input.This works fine too. The only problem is that my service gets killed when i unbind it just as the documentation says.Is there any way to keep the service alive but still get an interface to control it directly. My activity offers the user a way to stop the service and the service kills itself anyway after it's work is done but i don't want the service to stop every time the activity is destroyed.
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Nov 9, 2010
I'm confused about whether I need to run my service in a separate process. What are the advantages / disadvantages of each?For reference I'm trying to create an App that uses a service to play [streaming] audio in the background. So which one is better for my use case?
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Nov 20, 2010
what I'm trying to do here is implement something like a peer-to-peer client. Being that, it will start a client thread and a server thread.I know Services themselves run in the main GUI thread, so I'll have to start a couple of independent threads (or Asynctasks?) for each server and client. The only thing I'm not so sure about is if I'll better have 1 Service starting 2 threads, or maybe 2 services, each one of them starting their own thread.
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Nov 30, 2009
I got an problem on getting the TelephonyManager in my personal service. The code as below: public class MyService extends Service {@Override public IBinder onBind(Intent intent) { return mBinder;}
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Sep 30, 2009
i have an app that binds to a local service.I want to add a desktop widget that binds to the same service. does my service have to be a remote service or can it still be local?if it can still be local, how can I get at the local binder?
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Sep 30, 2010
Please show me how to bind to a Service from another Service on Android.
If you have an image to show how to do.
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Jul 16, 2010
I am developing an Android app which needs to poll a specific webpage in time intervals. I've got it to the point where it does indeed poll the page on a specific interval, and that interval is specified in a SharedPreference which can be changed by the user in the settings page of the app. But complications arise when network connectivity is flaky.For example, how do I ensure that the Service "wakes up" the network adapter and gives it ample time to connect before polling the page, in the case that the phone was sleeping to save power? This polling action can happen as little as once every 24 hours, so I don't want to miss one action just because the network was out (but turned on a few seconds, minutes, or even hours later).
Or there are times when the web service doesn't respond, or DNS doesn't respond, or what have you, and for any reason it doesn't get a response even though the phone is technically connected. What sort of rule do I put in place to make this retry later, so that I'm not retrying repeatedly when the user specifically turned off their internet but I'm retrying soon enough that if it was just a hiccup, the data can be received soon after the first try?Are there any examples for this type of situation? What is the logic to best handle this?
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May 28, 2010
I'm developing a GPS tracking software on android. I need IPC to control the service from different activities. So I decide to develop a remote service with AIDL.This wasn't a big problem but now it's always running into the methods of the interface and not into those of my service class. Maybe someone could help me?If i now try to call a method from an activity for example start(trackId) nothing happens. The binding is OK. When debugging it always runs into the startTracking() in the generated ITrackingServiceRemote.java file and not into my TrackingService class. Where is the problem? I can't find anything wrong.
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Feb 17, 2010
i have a question about Services in Android.I have a application with two Services A and B.Is it possible that Service A can stop Service B?I dont want to do it through a Activity, cause the Application will be in Background. If some special Event happen in Service A, then it should tell Service B to stop. How can i do that?
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Jan 10, 2014
I have a galaxy s2 and after I installed costom roms I dont have any signal what so ever.
I tried with like 3 roms and the same result.
I tought it was a modem problem and I tried to install some modems and see if that works. But it didnt.
My Service State says Out of service and sometimes it says Radio off.
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Jun 3, 2010
I hosted my service WCF (.net) using a windows service,i can access to the service from any browser but when i tried to call it from android it doesn't respond. it works fine before the hosting procedure (i used host client by default on Visual Studio).The url that i try to attempt is from android emulator, and installed my webservice in the same local machine(endpoints address http://localhost.).
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May 6, 2010
I have a widcomm example BluChat "WIDCOMM SDK RFComm Service" running on my PC with an USB dongle (BT-2400P). I would like to connect this chat from my HTC Desire. So I stared with the Java example http://developer.android.com/resources/samples/BluetoothChat/index.html. This is also using BT RFComm. If I'm using my HTC as a server it work's fine, but I would like to use my PC as a server. Then .connect() comes back with "Service Discovery Failure".
I have modified the UUID string in the Java example to match the PC-application
CODE:............
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Jul 28, 2010
I got a code for connecting the web page but it shows always
"Connection failed; Host is unresolved: www.streetcar.org:80" The code is as follows. package myapp.httpdwnd;
import android.app.Activity;
import java.io.InputStream;
import android.os.Bundle;
import android.widget.LinearLayout;
import android.widget.TextView;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
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Feb 5, 2010
I am developing the android application. which is going to update the content from android to the web(php webservice). Can anyone give me the sample code for my reference.
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Apr 7, 2010
Is there any way to start/enable the internet through Wifi/GPRS/EDGE/UMTS from my android application?
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Apr 7, 2010
Is there any way to start the internet through Wifi/GPRS/EDGE/UMTS from application?
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Apr 11, 2010
I tried many different ways to connect to this url link but android keeps crashing saying the stack is corrupted, take a look. If anyone got the time on their hands to give it a try or give me some tips would appreciate it! :) Link does work try it on winamp or some music app...
Log Output: 04-11 10:30:17.908: DEBUG/dalvikvm(15329): [ 04-11 10:30:20.119 15329:0x3beb F/unknown ] 04-11 10:30:17.908: DEBUG/dalvikvm(15329): stack corruption detected: aborted / Used code to connect: URLConnection cn = null; URL url = new URL(_url); cn = url.openConnection(); // after openConnection() it crashes
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Mar 24, 2009
I am trying to build an application on android which retrives data from a web server, im using my localhost for the webservices. i have developed jsp page to generate the data and pass to the android app. the data is in xml format.
In the andorid app i keep getting a socket exception while trying to open http connection using local host and the url includes jsp file and http post parameters. i have set the permission in the manifest file, still no luck.
Below are my codes, im sure im missing something somewhere.
CODE:................
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Sep 2, 2010
I am developing a final year location-based project(gps) in android.I have to create a server using php and mysql which contains name and location(in latitude and longitude) of important hospitals in Mumbai.The android client should be able to retrieve the the latitude and longitude of locations in mysql(external) database and then plot it on a google map.
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Jun 26, 2009
I have to connect to a webserver from android and i have to access a webservice and a webpage from the webserver.Anybody can help me.Please give step by step process with some code snippets because i am new to android and i dont know anything in connecting to a webserver.
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Sep 2, 2010
I am developing a final year location-based project(gps) in android.I have to create a server using php and mysql which contains name and location(in latitude and longitude) of important hospitals in Mumbai.The android client should be able to retrieve the the latitude and longitude of locations in mysql(external) database and then plot it on a google map.
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Nov 16, 2010
I have searched SO for anser to my question which is "invocking a remote webservice from a j2me application". All the tutorials refer to implementing it as a MIDLET. But I am not using a midlet. Can anyone please tell me if it is possible to invoke a webservice in plain j2me application, which is as basic as a hello world?
I am coding for android. My code starts with somethig like
CODE:..........
I want to know if a webservice can be invoked from this kind of program?
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Jul 24, 2010
I got a Droid X for development, and after setting it up just like all my other test devices, it showed nothing when I ran "adb devices". When I plugged it in each time, OS X complained that it could not connect to the mass storage device. How can I fix this, and connect my Droid X to OS X for development?
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