Android :: Connecting Localhost To App
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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Feb 10, 2010
My web application runs in localhost server. In my emulator the URL is http://localhost:8080/myaction
Is it possible to retrieve the informaion from the server?
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Sep 3, 2009
Is it possible to do something like WebView#loadUrl("http://10.0.0.2/ index.html") with service acting as local http server? Where would one start? Will I need at least partial http server implementation that would listen on the socket?
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Sep 2, 2010
I have a web service running on my local machine, and I used IP address 10.0.2.2 to connect from the emulator to that web service, but when I try that on a Nexus One connected via USB, I get a timeout. Is there a way to access my machine from a real phone like I can from an emulator?
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Mar 26, 2010
My activity needs to communicate with a java server located on my dev machine. Actually, using the emulator, I can access the server socket via the special 10.0.2.2 address. Now I'd like to test my app on my phone connected via usb, but it seems like I can't use 10.0.2.2 to access my dev machine localhost anymore. Naturally using a wifi router and a proper lan addressing does the trick, but I need to use usb connection instead. Any hint ?
1. Emulator-based scenario: standard java server running on my pc @localhost:15000 android java client running on my emulator. When the android app needs to contact the server it uses 10.0.2.2:15000 like specified here. Everything works fine.
2. Proper wifi scenario with physical connected device: standard java server running on my pc @192.168.1.10:15000. android java client running on my device with 192.168.1.11 address assigned. When the android app needs to contact the server it uses 192.168.1.10:15000 and everything works fine too.
3. Desired scenario: standard java server running on my pc @localhost:15000. android java client running on my device connected via usb cable. No network is active. When the android app needs to contact the server it tries to connect to 10.0.2.2:15000 but instead an exception is thrown (Network unreachable). It seems like special address 10.0.2.2 works only for emulator instances. I just wonder if in the adb/adt suite there's a way to access pc address from the device connected via usb cable.
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Jun 16, 2010
I'm currently trying to debug an issue with my application and I wanted to see if my internal proxy is sending the data in the proper order. Is there any way to essentially sniff my proxy pipe?
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Jul 31, 2010
I try to browse localhost on my htc magic. I have connected my device with eclipse via usb. browsing http://10.0.2.2 I get a "Page not avialable. I remember, some days ago it worked but on the emulator I am able to browse localhost?
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Oct 8, 2009
I was just wondering if anyone solved this problem. Googling gives tons of posts having this question but not one with a proper reply. I tried literally every combination of the following two pieces of code with and without proxy:
CODE:....
I am trying to connect to a site on my intranet (its not localhost). I've tried the following:
Setting Proxy inside Eclipse settings. Setting my own localhost and writing a small php script that takes the url, connects to it and then gets the file from the intranet site - This works from the Browser though! It does not work when I use the 10.0.2.2 IP address
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Sep 1, 2010
I came across an interesting issue when testing android 2.2.
My testing was to use webview api,webview.loadUrl(url);
If url is from any public domain, ex, www.google.com, the web content is rendered very well.
[url]
If url is from local host, ex, tomcat with port 8080, the web content is rendered as well.
[url]
But if url is from other port, ex, websphere with port 9080, the web content is not rendered.
[url]
There is no exception thrown, and it shows blank on the emulator.
Is there any setting needed for different port?
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Apr 17, 2009
I'm getting:java.net.ConnectException: localhost/127.0.0.1:8000 - Connection refused and...i have <uses-permission android:name="android.permission.INTERNET" /> declared in my manifest.xml What am I missing?
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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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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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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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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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Apr 10, 2013
I'm trying to connect my Android app to a PC server using Socket. Unforunately, the PC server doesn't receive any connection request from the app (there's no connection between them). I'm running the app in android emulator.
I've seen many tutorials and discussions in the internet about this problem and I fellow them literally, but still having the same problem that I mentioned above. the android app is running on eclipse emulator and the PC server on netbeans
the PC server source code:
public class server{
ServerSocket server;
public server() {
try
[code]...
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May 4, 2010
I'm looking to create a button in my app that essentially does the same thing as if a user went to "Settings"->"Wireless & Networks"- >"Bluetooth settings" and opted to connect (or disconnect) to a
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Sep 7, 2010
What about handheld devices (PDAs, Smartphones, etc)? For Windows Mobile devices, there is SecureW2 for Windows Mobile. For iPhone, see our iPhone Web page. Currently, we know of no method for connecting Palm, Blackberry, or Nokia devices that are not running Windows Mobile to the UIC-Wireless network.
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Jul 12, 2010
When at work I switch on my Wifi so that I don't use my plan data unnecessarily. When I do that it switches off 3G (which is good) but then most of my apps don't seem to connect - eg Facebook, Market, GMail, etc... So are most apps not able to operate on Wifi alone? Is there some config I need to change to make the apps be able to switch easily between 3G and Wifi connectivity?
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Jun 12, 2009
How to connect internet from Android Emulator browser?
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Sep 18, 2010
I am use OpenHttpConnection(URL) method to connect internet in my android application. But getting "java.io.IOException:Error Conneting".How i can avoid this. Permissions in android manifest had given.
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Aug 26, 2010
I need to test my android app 24h day and I have 3 ubuntu boxes to do it. I would like to connect my development system (MOTODEV Studio 1.3) to a Remote Device.
Well, the interface ask me about ip for machine and port to connect to.
But it doesn't. I found that the adb sever on remote seems not to listen to external ports, only internal loopback, making connections machine-machine impossible.
Could it be true? If so, why there is a section on Device to connect to Android Remote Device on MOTODEV Studio?
I've found an explanation and a workaround in this post (http://rxwen.blogspot.com/2009/11/adb-for-remote-connections.html) but it seems complicated and post's links doesn't work, so I'm confused whether there is a solution to do that.
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Feb 8, 2010
I recently bought an unlocked Htc magic, a T-Mobile branded one, that has OS 1.6 on. The phone has a MSN messenger app in the IM folder, however, whenever I try to sign in, i get an error saying that my phone number can't be read.Can anyone offer any advise on this situation, I have searched this forum for help, so I apologize if this is a re-post.
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