Android :: Activity Is Unable To Start Service In Same Package / What I Am Missing?
Jun 9, 2009
I have a service class my.app.MyService that I'm attempting to launch from my.app.MyActivity as follows:
Intent svc = new Intent( this, MyService.class );
The manifest contains the entries:
<uses-permission android:name="android.permission.ACCESS_BACKGROUND_SERVICE" />
<service android:name =".MyService" />
LogCat gives the message:
"Unable to start service Intent { comp={"my.app/ my.app.MyService" } } : not found"
Could someone kindly let me know what I am missing?
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Apr 25, 2010
I have two apps, one runs in namespace com.gtosoft.voyager and the other is com.gtosoft.dash. From com.gtosoft.dash I would like to start up the service which is defined in com.gtosoft.voyager...
I think I need an intent, but what arg(s) would I pass to the intent before kicking it off with startService()?
If they were in the same package I could just use
CODE:............................
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Jan 25, 2009
My application has 2 packages because one is shared with my other applications. I want to start an activity of the shared package.
I tried the following: Intent intent = new Intent(); intent.setClassName(shardedPackageName,sharedActivityName); startActivity(intent);
It throws an ActivityNotFoundException and suggests that the activity might not be in the manifest. But how do I list an acitivity from another package in the manifest?
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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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Sep 10, 2010
I need to made an activity (without layout) that on start check if a service is running. if it is true it starts Activity2, if it false it starts Activity1.
I tried with this code:
CODE:............
Enter code here
But when I check, in the onCreate method, if serviceConnect!=null I receive sometime a NullPointerExcption.
I tried also to insert the operation in the method onCreate in an Async Task:
CODE:............
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Sep 4, 2009
My service is not in the same package namespace as my application / activities.
I have
CODE:...........
The issue is that my service is in -- package com.myco.service.myservice and my activity is in -- package com.myco.test.myactivity
My questions are:
1. does my service *have* to be in the com.myco.test namespace?
2. if it doesn't, how do I specify the android:name for my activity and my service to work?
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Jun 19, 2010
i'm a bit stuck with remote services in android. thing is i implemented a remote service in package "a.b.c" and i want other applications to be able to access this service. i got rid of the whole crappy aidl-stuff and designed the "interface" of the service to work via broadcasted intents. works fine so far...
problem is: how do i get a different application (different package, different project, maybe even a different developer, ...) to start/stop the service?
CODE:..........
This will crash my app immediately on startup. what did i do wrong? how will i get this to work?
once it's running, commands and data will be passed via broadcasts. so that should be no real problem...
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Sep 3, 2010
I have a launcher activity which gets activated everytime i start the application and a service which complements it. Now as i press the return key from my main activity .Its Ondestroy gets called.Now i have nullify the pointer of the my launcher activity there. now i am listening through the service any event happening on the network after closing the launcher activity thread and if any event occurs i have to relaunch my launcher activity. i have tried intent but doesnot seems to get though it .
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Oct 6, 2010
I have a service (input method) and from within that service I want to start and activity which was declared in the same manifest. The activity maybe running but in the background.
How do i check its presence and bring it to front, or optionally start this.
From what I can gather from other posts, this is about what I need to do:
CODE:..............
I don't knwo which of thest flags pertain to what I need to do. The docs are quite merky, and my random attempt at making this work failed.
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Oct 16, 2009
My application has a background process which continuously waits on a socket for receiving messages and it should be started only once and at the time of application starting.Thus i want to do that background job in a service.
The service should not be started from the activity ,it should be started at the application starting.
How can i define the service,which will be started at the time of application starting?
If at all the service is started from activity.The activity can be destroyed and restarted.when this happens the service also be restarted .
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Jun 14, 2010
How can I start a service from an Activity ?
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Feb 25, 2010
In my app i have an activity from which i want to start an Service.
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Aug 11, 2010
Is it possible to start an Activity from a Service? If yes, how can we achieve this?
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Aug 31, 2010
Android:
CODE:...........
I launched this service from activity
In activity if condition satisfies start
CODE:......................
From my location service mentioned above could not launch activity, how can i get context of current running activity in service class.
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Feb 11, 2010
I have a Service which needs to receive data from external packages. So, to locate the data providing external packages, I use activity- filter and PackageManager.queryIntentActivities function to locate the interesting packages. Now, from each such package, I need to get a ContentProvider URI. So I want to start the external Activity and the external activity will return a result to my service - something like "startActivityForResult". The problem is that there is no way to call "startActivityForResult" from a Service, only Activity can do that, and my project does not have any Activity, and probably can't show UI for the user.
The bottom line: Can anyone suggest a way to get ContentProvider URI from an external package, while my package has only a Service?
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Mar 19, 2010
I've successfully implemented a BootReceiver, AlarmManager, and Service per the code here: http://github.com/commonsguy/cw-advandroid/tree/master/SystemServices...
Inside the doWakefulWork method of the Service I am instantiating a few classes, but some of them require my Activity to be running. How do I actually start the Activity? The code above only starts the AlarmManager and Service.
There are also times where the Activity *is* already started, like if the user manually opened it. So I also need to start the Activity "only if it's not already running". Hows that work?
And what about the situation where the user first installs your application and may not even reboot their phone for a week. In that case, do you have to start the Service from the Activity? But then the Service will die with the Activity.
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Nov 2, 2010
I am making an application that has Activity which communicates with a single service, and is used to start, stop or change settings of that service. I used a singleton approach from this tip.
My problem is that busy-waiting is not working for me and I can't attach a listener to the service because activity gets blocked. I want the service to start or get it's current instance at application start so I put the busy-waiting in onCreate. I'm guessing I'm doing this very wrong, so how do I do this appropriately?
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Jul 14, 2010
Despite similar question was asked, I have differnet situation: My app consists mostly of a background Service. I want to start external activities and get results back.I see several options:Create dummy Activity and keep reference to it for using its startActivityForResult. This consumes quite a lot of memory, as we know. Use Broadcast Intents instead of Android's results infrastructure: ask client activities to broadcast their results before closing. This kind of breaks the idea and not so performance-efficient. Use Instrumentation directly - try to copy code from startActivityForResult into my Service. Use Service interfaces - serialize and add AIDL connection to the Intent for starting an Activity. In this case Activity should call Service directly instead of providing result. The third approach feels closer to Android for me, but I'm not sure if it's possible to do - Service does not have its Instrumentation, and default implementation seems to always return null.
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Nov 13, 2009
I want to develop a application that continuously running in background as service. And after that if i press any numeric key, it should start an application.
I have developed a service which is running continuously. Is it possible in Android?
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Feb 12, 2009
I am getting the below error when ever i am trying to call the bind service. 02-12 20:17:25.486: WARN/ActivityManager(58): Unable to start service Intent { action=oem.android.proj2.IRemoteService }: not found
I have created the Client-Server application. At the Server site i have used the AIDL to impliment the interfaces in my Service class. At Client site i have exposed the AIDL interfaces and have one Activity that mainly do the IPC mechanism , i mean ServiceConnection, bindService and then call the Serivce of the Client site. But i am getting the error i mentioned during the bindService call.
Could you please let me know the steps mainly i have to follow to run the Client -Server Application. For time being i am running the Client .apk first and then the Server .apk, but the server one giving me error.
It would be great if you could let me know what all permission short of thing to take care, as my Client and Server code are placed at different APks, so do i need to import the Client project in my Server Project, if yes then how to impliment that.
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Apr 21, 2012
I got a error message "04-21 18:02:01.448: E/AndroidRuntime(328): java.lang.RuntimeException: Unable to start activity Component Info {pac.bib/ pac.bib.LivroBibliaActivity}: java.lang.NullPointerException" when click ListView. when try startActivity
Code:
private AdapterView.OnItemClickListener onListClick=new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parent,
View view, int position,
long id)
{
[code]....
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Nov 8, 2010
I wrote an android app and so far it works perfect except for on one phone. It is the exact phone that I have with 2.2 on both phones and mine works perfect. The other phone is getting force close all the time but only when opening an activity that queries my image DB and tries to show a gallery. Every activity crashes in the same place, the viewimages. At first I thought it was the intent that was doing it but one of the activitys does not have the intent, it opens the images below the gallery. This works on the emulator, on my moto droid and on a few other different droids. Here is the code for the gallery and my bitmap decoder.
The error is below that.
CODE:..............
Here is the error
CODE:.....................
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Mar 4, 2012
I am getting this and can't seem to find out why?
Code:
03-04 14:04:41.565: E/AndroidRuntime(742): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.ondrovic.boombozzpassport/com.ondrovic.boombozzpassport.BeerForm}: java.lang.IllegalStateException: get field slot from row 0 col -1 failed
Here is the code where I am trying to start the activity
Code:
private AdapterView.OnItemClickListener onListClick = new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View v, int pos, long id) {
Intent intent = new Intent(getApplicationContext(), BeerForm.class);
[Code] ....
Also the activity will start if I take out the intent.putExtra(BeerForm.INTENT_BEER_ID, String.valueOf(id));
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Dec 18, 2009
Has anyone been successful showing a notification, starting an activity, or loading the home screen *during* a call on the Droid? All three of these actions can be done with the emulator running 2.0, but will not run from the Droid. I don't receive any type of notification that these actions fail on the Droid. Although, every action works when a call is *not* active. Missed calls during a call *do* show up in the notification bar, so I am hoping there is a way.
I understand that the notification bar can not be accessed by users during calls, but it would be nice if a notification could at least be delivered. I also understand the security and usability concerns of displaying a window or action during phone calls. Although, there are a lot of users who would like actionable functionality based on calls.
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Nov 24, 2010
I am pretty new to this but I was told I could get good help here. A friend and myself are playing around with creating Android apps (using ADT)
Here is how we are trying to make the program: in activity, user sets threshold values for the X and Y axis on accelerometer. When user hits button "Start", startService is invoked and starts TiltService.
TiltService is designed to run in the background always on the phone without user interaction. TiltService constantly compares the threshold with the accelerometer values and will vibrate if they are off.
My problem is I can't seem to get the putExtra() data correctly. I have overridden the onStartCommand in my service but I get the message "unreachable code" when I save the getExtras() to a bundle.
Here is the relevant code (I can post the whole thing, just do not want to clog up page) code...
I thought I understood the basic of how Intents could pass data, but I guess I don't. Is it obvious what I am missing?
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Nov 24, 2010
I'm an android noob that is looking for some advice on how to properly use a service in Android. I am building an app that will connect to a server on the Internet to get a data stream via TCP. That data then needs to get send out to another device that is connected via a bluetooth serial port. I want this to continue to function in the background while the user looks at a different activity. The app will be a NTRIP client, which pulls real time RTK correction data from the Internet and sends it to a RTK GPS receiver that I connect to via bluetooth. The data rate will be about 500 bytes/second. The user interface is a single button to connect or disconnect the data stream and some text to show status of the GPS receiver. There are also a few settings that will need to be configured by the user such as the IP/port of the server to connect to and the bluetooth device to communicate with.I think I need to have the main activity spawn a local service, and then have the service spawn a thread for the TCP stream and another thread for the bluetooth connection. Does this sound right? What is the best model for the service in this scenario?-Start(bind) the service every time the activity starts, and have the connect/disconnect button send commands to the service to start/stop the threads. If I go this route, the service will continue to run after the user disconnects and goes to another app. The service would need an inactivity timer to terminate itself.-Start and stop the service when the user presses the connect/disconnect button. The service only runs when data is moving. If I do this, the activity will need to see if the service is running when the activity starts, in order to know if it should bind to the service or tell the user that the link is disconnected.
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May 6, 2010
I know how to update my own programs, and I know how to open programs using the a predefined Uri (for sms or email for example)
I need to know how I can create an Intent to open MyTracks or any other application that I don't know what intents they listen to.
I got this info from DDMS, but I havn't been succesful in turning this to an Intent I can use. This is taken from when opening MyTracks manually.
CODE:..................
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Aug 6, 2010
Can someone tell me how to start new application knowing only its package name? I do not have information about what activity is the main one.
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Jul 9, 2010
I have created a service that works great, it is launched from an activity at the moment. I'm looking to package it into a .jar file so that other people can add the jar to then their projects and then run the service. Can anyone tell me how I can launch this service from the app that it is included in?
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Jul 8, 2010
I am writing a service that will be compiled into a .jar file for use in other apps. is there any way to get the name of the package that uses or launches the service?
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