Android :: Failure To Connect Camera Service
Mar 11, 2010
I'm trying to write a basic camera app. The problem that I am facing is that it works fine in emulator but on the phone (Nexus one) it fails.
The point of failure is the very first call, i.e. Camera.open(). It fails on the phone saying "Failed to connect to camera service". Any idea what could be wrong? (BTW, I am calling this from my activity's onCreate funtion itself, could that be an issue?)
For the information, I do have the necessary Camera permissions specified in my manifest xml file.
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Nov 16, 2009
I apologize in advance for this long post, but it's necessary to show what is happening.
I've been working on an app that works on the 1.6 emulator, but bombs on my G1.
Here is the Photographer activity:
CODE:..........
And here is where this activity gets called from:
CODE:............
Having trouble pasting the relevant portions of AndroidManifest.xml, but I have permissions for Camera:
CODE:..........
Here's the Photographer part:
CODE:..............
Also set for testing on G1:
android:debuggable="true"
and working off of 1.6:
<uses-sdk android:minSdkVersion="4" />
All this works on a 1.6 emulator, but when I run this on the G1, LogCat shows:
CODE:.............
And /data/anr/traces.txt shows:
CODE:................
It sounds like the problem is a timeout issue, but I am at a loss as to where I should be looking ....
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Jul 30, 2010
I had my camera set to this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); and it works fine but if I change it to PORTRAIT instead of LANDSCAPE then it crashes with the following error...
CODE:............
The method it crashes in is..
CODE:.........
It crashes at mCamera = Camera.open();
My Manifest file has <uses-permission android:name="android.permission.CAMERA"></uses-permission>
How do I fix this so I can view my app in Portrait?
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Sep 25, 2010
I am trying to connect an Android application with a secured HTTPS remote service that is hosted in Google App Engine for Java (https://applicationname.appspot.com), using the HTTPClient 4 implementation that comes with Android. The certificate is signed and valid form *.appspot.com.
I am using Android 2.1 in a real device (HTC Hero), and I get the following error: SSL23_GET_SERVER_HELLO:unknown protocol.
This is part of my code:
CODE:............................
This is the complete stack trace:
CODE:.........................
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Nov 29, 2010
I just tried to update my Xperia x10 to Android 2.1 I followed all the instructions, but after the update my phone just displays a camera icon with an arrow pointing to a phone?
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Dec 9, 2013
Im trying to connect to a WCF service hosted on one of my websites, this WCF Service returns "Hello World" nothing exciting i've been followinf this Calling a RESTful web service from an Android application | vrsbrazil
Below is my Request task
[HIGH]
package Methods;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import org.apache.http.HttpResponse;
[Code]....
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Dec 22, 2009
I am trying to connect to a .NET WCF service in Android using kSOAP2 (v 2.1.2), but I keep getting a fatal exception whenever I try to make the service call. I'm having a bit of difficulty tracking down the error and can't seem to figure out why it's happening. The code....
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Mar 18, 2009
At the moment i have the following problem. I try to establish a connect to a SOAP-service. Therefore i need basicauth via http. I use ksoap2 and HttpTransportBasicAuth. The problem is, I do not know how i can start a call when i use HttpTransportBasicAuth because the function "call" is not available.
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Dec 18, 2009
I am writing an android program and I need to connect to the Drupal service to fretch the data or submit data. How can I do that?
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Jun 2, 2010
My web service should be returning an integer, but every time i run the code i get the NullPointerException error. i think my url string may be the problem, but i've tried using my ip with no luck. Code...
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Sep 29, 2013
I'm developing an automatic vulnerability scanner/exploiter for android. I'm adding the cool feature of using the metasploit framework from our android phones.
I can start the MsfRpcd ( the metasploit daemon ) from a su shell an make it bind to the 127.0.0.1 address.
I can connect to the server using busybox netcat ( no Java though here ).
I can't connect to 127.0.0.1 from the android app! i got ECONNREFUSED.
After a bit of google i understood that JavaVM have a separate network and it filter out my connection to localhost/127.0.0.1.
how can i connect to a service bind to 127.0.0.1 on my phone from an android app?
I gave a quick look at iptables -L output, maybe i can make some hack there, but probably i will break the JavaVM network.
Binding on wifi ip is not an answer.
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Apr 1, 2010
I'm using the Android APIDemo sample code.
When I run the CameraPreview example, at first it was giving me an error.(http://stackoverflow.com/questions/2556389/android-camera-functionality-howto)
I traced that one down and the sample was working for a while.
Now, it no longer works. It says ERROR/AndroidRuntime(2949): java.lang.RuntimeException: Fail to connect to camera service
What can be causing that? It happens when camera.open() is called.
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Sep 28, 2010
Why does "failed to connect to camera serfice" happen on occasions?
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Jul 2, 2013
I have an android app that must connect to my local webservice with soap but I cant seem to get it working. This is the code I have.
[HIGH]public void Hello()
{
String SOAP_ACTION = "http://tempuri.org/Hello";
String METHOD_NAME = "Hello";
String NAMESPACE = "http://tempuri.org/";
String URL = "http://10.0.2.2/MainService/MainService.asmx";
[Code]...
All this does is catch an exception with the message "Null". Note that I am not an android developer, this is my very first project.
I did the same thing with Netbeans and regular Java and it works perfectly.
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May 2, 2013
I got a Star N8000 with android 4.1.1 1 month and a half ago and I think its a great phone... anyways the point is that when Im connected on wifi everything is perfect, notifications aren't delayed at all but when I use data mobile its different =/ when the screen turns off for 5 mins or something like that, notifications are quite delayed... sometimes I have to turn on the screen and wait like 20 secs after I open whatsapp and all messages start to come. I dont know why I cannot connect to 3G service, maybe its because Movistar doesnt have it (Im from venezuela) so I use EDGE and I figured out about something: when I open whatsapp (after inactivity) it starts to try to connect I think because in the signal icon appears two white signs like an arrow or something like that. I dont know if it the software but it doesnt happen on wifi:.. so I dont have any idea about it. Im not root user (tried to be but didnt work) and I dont have any task killer..
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Jun 1, 2010
Is there any way to correctly stop the camera service? This does not seem to work: After doing that the camera does not work, even if I use the program that is pre installed in my handset.
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Feb 26, 2014
I don't know how to reconnect my camera to my tablet. I get an error message saying "Cannot Connect to Camera". I have a 10.1 tablet by Hannspree model #SN1AT7 (HSG1279) otherwise known as HANNSpad. i don't know what happened. I installed an update and it just didn't work after that.
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Feb 9, 2013
I am the proud owner of a SGS3...But I'm not the biggest fan of touchwiz and I love everything about 4.2! So like many others, I flash a 4.2 custom ROM. AOKP 4.2 build 2, to be exact.After flashing, I loved it. Everything about it was just perfect. It was fast, light, easy to use, and FAST! But then I go to take a picture. And boom.
"Can't Connect to Camera"..I had no idea what to do, so I did the first thing that comes to mind. reboot. But sadly, this solved nothing. So of course I re-flash my touchwiz ROM to see if the ROM was the problem. And the Touchwiz camera worked perfectly. Later on when I had time, I tested it out again, and had the same problem. So I downloaded a camera app, and same thing. I even flashed a different Camera.zip for God's sake! I've searched for the past week for fixes and every one I tried just failed! So now I'm really done with Touchwiz and want to customize the look and feel of my phone (which is one of the reasons I like AOKP!)
It seems that my camera only works on Touchwiz ROMs! I also tried another ROM this time running 4.1.2 thinking maybe it was just a bug in 4.2! But sadly, the same error message.
I was flashing a 4.2 camera .zip file and i guess it was messing up the permissions. So I disabled it. Now it is working perfectly so far. Yesterday i switched over to a 4.1.2 ROM hoping it would fix it and so then i flashed this 4.2 camera and then after about a day of use, it messed up the permissions.
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Feb 1, 2013
I have been working on a build recently and everything is running very well with one exception.... I am getting an error when opening the camera. "Can't connect to the Camera". Now I have tried a multitude of things to no avail.
[URL]
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Jul 20, 2010
It was working fine yesterday. After the update his morning I now get "Oops, Cannot Connect to Camera, Please try again later.". Camcorder does not work either.
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Oct 14, 2013
When I try to access the camera (from any app) I get a message says Cant connect to camera. I already tried different roms. once a while the camera return. I cant get what is the problem. I tried different solutions from other threads in the forum, but nothing ).I use the official rom.
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Dec 12, 2013
I am running a CM11 nightly of KitKat 4.4.1 on a VZW Note II, however I have had this issue with other devices, carriers, Android versions, etc. so I have always assumed it is just the way Android works.
Basically if an app that is currently using the camera (Camera app, barcode scanner, etc) crashes or hangs and gets force-closed, opening any camera app after that seems to always give me either a "can't connect to camera" error or a black screen instead of the viewfinder. In these cases, a simple reboot fixes the issue and I can use the camera again, but this is inconvenient for two reasons:
1. A reboot on my phone takes 45-60 seconds, by which time whatever I wanted a picture of is usually gone or changed.
2. Rebooting means that any apps that don't save the data constantly but run in the background are restarted and I lose the progress. Mainly I am referring to Chrome incognito tabs, but also apps that don't save in-progress data such as puzzle games or video players.
With my limited knowledge of Linux and my slightly less limited knowledge of operating systems in general, I know that sometimes a temporary lock file is Created to prevent other apps/programs from modifying or accessing a file or program until the lock is released. Does that kind of situation apply here, such as a camera lock file being created when camera access is started and then not able to be released if the app crashes.? Also, if that does apply, would manually deleting the lock file or creating a script that does it for me when it is run allow access to the camera again without rebooting? And if that doesn't apply, is there any way to regain camera access without rebooting when this occurs?
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Feb 25, 2014
I just got a Star N7189 with android 4.2.1 and the first thing I did, because it was a used phone that my dad gave me, was to perform a factory reset.My dad told me the phone was fine except the camera didn't worked, so I thought the factory reset could also fix this.
After the reset everything in the phone is fine and running without any problem except the camera. In first place there isn't even a camera icon or app, the only way I can access the camera is by sliding the screen after I press the lock/unlock button, and after a second of thinking it gives me the 'can't connect to camera' error.I haven't installed any application or anything.
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Jun 14, 2010
I had a moment in the beginning and took it back,got a hero had massive problems and finally got my hero replaced with another moment that was brand new.I just got it like 2-3 days ago and its having the same issues that i had on 1.5 when i had it the first time.I had it replaced when i had it the first time and same issue.I have 2.1 now and the battery life is still horrible like dropping not long after taking it off the charger without using it but biggest problem is that the phone will tell me i have no service and it will have an x up above where the bars should be and i have to remove the battery and put it back in before it will work again.The data does the same thing and i can turn the phone off and back on for that and it will work again.Does this happen to anyone else??Its very frustrating!!Also the wifi wont connect.It just says it is unable to connect but it was just working and my laptop works wirelessly so i know that its not my router or anything with my connection.
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Nov 15, 2009
I'm super happy with my new Hero. But I use an external compact camera to make pictures.
Is it posible to connect an external camera to the HTC hero using a USB cable (and an app)?
This would be supercool when we are on the road without a laptop.
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Jan 21, 2014
I have a Goophone s4 mega running 4.2.2. I was using the camera and it stopped suddenly. And now when I launch the camera app it says can't connect to the camera. I've looked into it a little and I think I'm missing a folder in the system directory called cam data or cameradata. Does that sound like it could be stopping the camera?
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Jul 9, 2013
I have this error message on my Goophone Goophone V88 i5 Dual core RAM 1GB MTK6577. When I open the camera on the phone, I get the message. (Cant connect to the camera, turn off the flashing lights or other equipment).
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Jul 21, 2010
I am trying to write an Android app to connect to an existing web service. I'm pretty new to web services in general, other than what I've done with this first web services (written with JSPs, Struts 1.x, and JAVA). This web service is connected to a document storage database. The user would first login to the service, then using search parameters (document title, type, etc.) the user would be displayed a list of possibly relevant documents. The user would choose a specific document from that list, and the service would then stream the entire document (pdf file) to the user for viewing.What methods are available to Android where I can make a request given some specific parameters, and be able to parse a response?The only thing I know of is HTTP, but my project leader (I'm a summer intern) is hinting that there are others available. I'm not sure where to start looking.
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Nov 9, 2009
I'm developing chat application. i want android device to connect with other non android device that implement jsr 82. so how can i declare my bluetooth service on android or how to connect to any jsr 82 service .......
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Jul 10, 2009
I am getting a NullPointerException at android.app.ActivityThread$PackageInfo$ServiceDispatcher.doConnected(ActivityThread.java:1012). My application is not even in the stack trace, so I have no idea what is going on. I am trying to connect to a service when it happens.
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