Android :: Connecting PC Via Bluetooth SNP
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
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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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Mar 3, 2010
I'm having an issue here while trying to connect to an RS232 device with the BluetoothChat sample program.
1- If I first pair my phone with the device through Bluetooth Settings, no problem. The connection is made perfectly and the program works.
2- If not bonded beforehand, I get two errors in a row when I click on my device :
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Nov 28, 2013
I'm having issues with my Huawei P6 (Android 4.2.2).
It doesn't want to connect with my car and when it does want to connect I can't acces my phonebook or make calls. Nokia 301 connects fine with bluetooth.
When connecting with aux the sound is distant. Even on max volume it doesn't have a full sound.
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Jun 1, 2010
I have a set of "Anycom" stereo Bluetooth headphones, and when I try to connect them to my Incredible, the "pair" right away and the Inc recognizes them for what they are. The problem is all I get is a "Paired but not connected" message, under my Bluetooth settings. I hit "connect" and it does momentarily, then it goes back to that same message. I'm not getting the prompt for the "0000" pin input, which I think may be the problem as the headphones may be waiting for that to be inputted.
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Feb 1, 2010
My Nexus and Macbook are paired, and I can send files from my Mac to my Nexus. But whenever I try to send a file from my Nexus to my Mac, it shows the two being briefly connected, but the phone always gives a "file not sent - connection error" response.
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Jun 26, 2010
Got the phone, all bluetooth working just fine. Then my 2010 Jetta won't stay paired. Tried soft rest. Tried taking out battery. looked for updates. the best I get is a 5 sec connection and then disconnects. Now my ear bud wont stay connected ether. Any thoughts?
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Dec 30, 2009
Did a search for this and couldn't find anything. I'm trying to connect my phone to my Macbook via bluetooth and, although it is paired, it won't connect. any special software I need for this?
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Jun 3, 2010
This is a silly issue, but its now driving me to distraction, My Jawbone pairs & connects without an issue, however I have a Nokia6822, & Blue & Me in my car, the Milestone will pair but not connect to either of these devices ( phone is on V2.1) even after entering verify code on each device ( The car generates a unique code for each device to be paired with it). Also the make device discoverable is only open for 120 seconds, is there a reason for this ?
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Feb 6, 2014
I've already connected different bluetooth things to my TF201 (with CM, so it's 4.3.1), but am not able to connect my bluetooth headset to it. The tablet just doesn't see the device. (I already had this problem before I installed CM). Is there something I could change in order to make it visible to the tablet. Most people issues around this is that they don't pair when the device is visible. (I assume that it is not related to the CM)
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May 29, 2010
My gf's computer is going south, but all she really does is go online. If I were to find a way to connect her Evo to a monitor (this should be easy with and HDMI cable, right?), a mouse (bluetooth?), and a keyboard (can you do two bluetooth devices at the same time?), she'd be able to essentially have a computer when she docks her phone to all this, right?
But, does Andoid have an app and Evo the capability to bluetooth to a mouse and keyboard and is the HDMI cable the way to go to get the display on a spare monitor, or could I use the USB? Just thinking out loud here. Cell phone processors are fast enough to handle internet browsing and emailing, which is pretty much all she does, and the speed of the connection (we're in a 4G area) would make downloads fast. How could it be done?
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Nov 6, 2010
Love the Desire HD, but seem to have a major problem with connecting it to my Audi in car bluetooth system.
It connects, but within seconds it disconnects and won't connect again.
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Aug 19, 2010
My xperia x10 mini pro will pair with other phones through bluetooth but it will not connect?
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Feb 3, 2013
I am running ICS (4.0.3) on a HTC EVO 3D and looking for an app that turn GPS on when connected to a specific bluetooth device (ie parrot in the car). Als it needs to turn Wifi off when connecting to that bluetooth device.
Now, the extra thing I would need is that it turn GPS off and Wifi on again when disconnected from the bluetooth device.
I have used A2dp volume, which turned GPS on, but not off...
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Nov 24, 2010
Ive recently purchased the X10 and this is my first android phone. Im having a problem with the bluetooth function on it. It pairs and connects with new devices no problem and will connect with them again another once or twice , but after that it it states device paired but not connected. Has anyone else got this problem or advice ion how to solve it. My phone is still running on 1.6 as Im a bit nervous of upgrading to 2.1 when Im seeing all the problems people seem to be having with it.
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Aug 20, 2010
My wife/secretary has a blackberry, i have paired my x10 to her device but im unable to transfer files, ive not had trouble connecting to a Lg Cookie.
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Dec 15, 2009
I'm not sure if it's the phone or the bluetooth headset that's doing it, but whenever they connect, the phone will redial the last number.(no buttons pressed)
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Jan 12, 2010
My mother and I paired my droid to her blackberry. We then tried sending pictures back and forth. When she sent to me, everything worked fine, but every time I tried to send, it give an error that it cannot connect.
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Aug 30, 2010
Trying to connect PC Company via Blue tooth i get to the point where I enter a four digit code on the phone, then immediately receiving a message on my computer that connecting throe blue tooth is not possible, then urging me to use the USB cable. Blue tooth is activated on both items. I'm running Windows 7 on my laptop. Anyone having the same problem or solution to it?
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Aug 23, 2010
I am trying to connect to a paired bluetooth device (baracoda d-fly bar code reader). I tried the program GetBlueDemo from market and this manages to read from its socket.
I wrote my own proof of concept, but i just keep getting an excpetion when i try to connect to the device.
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Mar 17, 2010
I'm trying for hours and couldn't find an answer anywhere online nor in my Logs. I'm trying to establisch an RFCOMM Link by Bluetooth between an external Device that implements the SPP 1.04 Profile. Here is the output from sdptool:
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The Device just provides this and doesn't have any input or screen. And it does work with Linux etc.
I'm using the following Code in order to establish an Connection:
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If I look at the dump, everything works until I try to connect to the socket and I don't understand why it isn't working after that. Here ist the dump Look for the TAG ThinBTClient for Log Output.
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E/THINBTCLIENT( 5991): BT GPS connected
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E/THINBTCLIENT( 5991): TRYING TO CONNECT
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Here it stops. Am I using the wrong UUID
There is some very important Information missing on the Android- dev Page about the Bluetooth API. The android.Permissions.INTERNET have to be set in the Manifest too, because without them creating a Socket will fail.
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May 5, 2010
I have an Apple Wireless Keyboard lieing begging to be used. I was wondering if it may be possible to connect my Apple Wireless keyboard to my Android, a HTC Desire running Android 2.1.
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Sep 14, 2010
I have an LG ally and I connect my bluetooth. It's connecting to media audio and I can hear music videos, you tube and my visual VM but not the people I call.
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Jul 15, 2010
I am writing an Android app that should exchange data to a server over Bluetooth, with the server side on a PC running Ubuntu, using the bluez library, in C (or C++).
My Android app fails (IOException) when I try to connect to my server socket on the PC.
Here is essentially what I in the java code (in Android, full eclipse project here: http://dl.dropbox.com/u/2968234/ThinBTClient.zip)
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This throws IOException after a timeout of 10seconds or so.
On the server side (in Ubuntu 8.10), I basically set up a Bluetooth server socket, along the lines described in the example bluez/sdp-register.c
Down below is my C++ program. To compile it do
g++ -I/usr/include/glib-2.0/ -I/usr/lib/glib-2.0/include -o bt_server bt_server.cpp -lbluetooth
I can do the reverse succesfully, i.e. create a server socket in Android and connect from Linux, however this is not what I want to do!
I think either the problem has to do with my config of Ubuntu.
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Sep 18, 2010
In my quest to have a 3G connection on my new Milestone I first tried to connect to the AdHoc network running on my iPad but I found out that Android phones couldn't connect to AdHoc networks (see Enabling WiFi Adhoc on Milestone ?)...I'm now finding out that they can't connect to Bluetooth modems either...is that correct ? I saw messages saying that PDAnet enabled BT DUN but that's probably only to let other devices connect. I put my iPad AT&T microSIM card in the Milestone using an adapter but Amazon sell the Euro version so it means no 3G in the USA, either with T-Mobile or AT&T.
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Mar 13, 2010
I was cleaning all the crap off my phone I don't use anymore and I believe I accidently removed the bluetooth software that allows it to connect to stereo bluetooth headsets. I can control the player with the headset, I can make phone calls from it, but when I try to play music there is no sound.
I was trying to reset the phone using RUU, but it reboots the phone and then says it cannot reconnect after that and the software shuts down. I can still sync with outlook, so my driver is not the issue. I am out of ideas.
Is there anyway possible to reinstall just the bluetooth portion of the rom?
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Sep 17, 2010
Is there any way to turn the bluetooth option on the caller id screen to automatically toggle the bluetooth function on vs rushing to home screen toggle?
I'm often on the road at work or just have my hands full and it is such a drain running bt all day. Is there anything close to what I'm asking available or possible?
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Nov 19, 2010
This is my first android phone and im having some problems with the bluetooth. Im trying to send my contacts over bluetooth from my old sony ericsson but it doesnt seem to be going smoothly, i would say its all down to me! Basically i have got the bluetooth on for both phones, the desire is set to be discoverable and i try to send the contacts via bluetooth on the SE. I get the whole passcode and accept the file which i have done, but then it says again about accepting the file. Ive tried it a few times and i have 3 bluetooth icons at the top of my screen now which i imagine are for transferring files which need accepting. Is there anywhere i can to accept them or close them down?
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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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