Android :: Know Whether Activity / Service Running Or Stopped?
Apr 13, 2010
When I do various operations on bluetooth application ... scanning, renaming and discoverable after some time non of these works... if I try to change name, it is not reflecting. is it problem with Activity/service? How to check whether these are still running? How to debug such cases?
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Sep 13, 2010
I'm trying to create a program with a service that runs every 10 seconds, puts the camera preview, taking a picture and then leaving the user to continue his work (closing down). Currently I have two problems:
1. After I'm taking the picture, the preview still there. There's no function like close() to return to the previous activity. How can I return to the previous activity?
2. I'm trying to run the above described activity from the run() function (from the timer class that execute the run() function every 10 seconds). When I do that, a runtime exception is raised. But when I start the above described activity from a button clicked (not from the timer) it works fine.
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Apr 29, 2010
Iam trying to run an activity from diffrent package from my remote service:
This is how i implement the service.java
CODE:....
Ive also added a line in the manifest of the service:
The service works fine, but i cant run the activity -> PushActivity which is in diffrent package of diffrent application, this is the error:
Activity not found Exception: No Activity found to handle Intent {act=com.pushservice.PushServiceActivity flq=0x10
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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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Aug 4, 2009
I have been looking for this for a while but I can't find any way of doing it. A contrived example would be a service that simply displays the name of the current running activity as an Ongoing Notification. For instance, when the user is reading a particular email, the name of the activity (hopefully the email title!) would appear in the notifications window and when the user switches to read a text message, the notification would change to show the name of the new activity. Is there a way to do this in Android?
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Dec 9, 2009
I've created my first service, and it's all gone fine, except when the main activity is stopped. What I want is for a user action (button press etc) to start the service, which it does. Then I want the user, some time later, to press another button to stop the service. Which it does. But if the main activity loses focus (i.e. I go to the home screen) when I return to the activity it has no knowledge of the service anymore - even though the service is still running. When the activity resumes, how do I find out a) if the service is running, and if so b) re-bind to it, so that I can then stop it and collect the data I'm after.
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Aug 8, 2010
I have an API Object that I made, and I would like to share it between a running Service and various Activities in my app, almost like if I was to make the class static. How could I go about sharing the created object between the two?
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Nov 19, 2010
I have an application in which there will be a service continuously running in background and on certain conditions service should call an activity or pop-up a dialog. I think this is possible. The question is, in case device keyguard gets on say after 2 minutes of idle time then will the service continue running in background. And what will happen when the condition of opening pop-up or Activity is reached.
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Jan 10, 2010
I created an application which enables the user to set whether he wants to receive notification while the application runs in background mode. If the notifications are enabled an activity should be started (the dialog should appear on the screen).
I tried to enabled it the following way:
CODE:...........
This is the method from main activity. When onPause() is executed isRunningInBackground is set true.
When I tried to debug it when the main application was running in the background the line
startActivity(intent) had no effect (the activity didn't appear).
Does anyone know how to midify the logic in order to start an activity from the main activity when the main activity is running in the background (after onPause() is called)?
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Jul 16, 2010
I used Toast to make notification, but it seems it will appear even its activity is not in the current screen and some other activity has been started.I want to check this situation, when the activity is not the current one, I'd not send the Toast notification. But how to do ?
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Aug 2, 2010
Whenever the memory needs to be reclaimed, the process is being killed by Activity Manager Service in killPidsForProcess. I have a back button in my activity window on right corner of the title bar.
I want to kill the activity completely on clicking the close button. Can I reuse the same function and will it have any major effect? Please help me out in this.
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Jan 18, 2010
I was running launcher and although it was clunky, it was fine then I went back to check something on the regular home app and I accidentally hit the default key when opening home now launcher wont launch. Where so I set the default back?
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Jun 25, 2010
I have a service that will monitor location changes daily. What I know so far that to start a service at boot, I have to follow the linked tutorial. This way I can get the service started at boot, but to save battery I need it only between 9am-9pm.
Question is pretty simple, so I will repeat:
How can I ensure a service is started at 9am and stopped 9pm every day?
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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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Feb 18, 2010
Long story short, I have a LaunchActivity which is always called by LAUNCHER (i.e. the home screen). It then starts LoginActivity and then closes itself.This is the flow:
User launches app
LaunchActivity starts, starts
LoginActivity and then calls
finish() on itself (At this point
LoginActivity is the only Activity
on the stack)
User press "Home" button, stopping
LoginActivity
User launches the app again When the app is launched for the 2nd time, two things can happen:
LaunchActivity starts, finishes
itself and then STARTS LoginActivity
LaunchActivity starts, finishes
itself and then CREATES
LoginActivity, so there are now two
LoginActivitys on the stack.
(2) seems to happen when I restart Eclipse and the simulator (yeah I know, black magic). Some extra info: I'm not using any start flags and my manifest doesn't have any launchModes defined.
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Jan 6, 2010
My Eris recently stopped getting 3G (or even 1x) service. When I try turning mobile network on it takes a long time like its searching then says it is on but when you go into "about phone" and look at mobile network it says it is not connected and there is no 3G or 1x display in the status bar. I am currently at school in the bay area and it worked for the first few days I was here, not sure exactly when it stopped cuz I mostly use wireless but noticed it when I wanted to do something off wireless. Pretty sure it is not a coverage issue because my friend with a moto droid gets 3G and it is almost as fast as his wireless connection at full bars. Also now I cant send or receive MMS due to this (apparently cant transmit over WiFi or voice signal), making my smart phone less useful than a dumb phone.
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Mar 12, 2013
I'm coding a service which does a its job once in every 10 minutes. Works fine. However, when a screen lock gets activated, the service is stopped (which is normal I've found out and I'm find with that). But when the screeen is unlocked again, the 10-minute interval could be already over and I want the service to do the job immediatelly. But... how can I detect that the service was awaken? I schedule the tasks with handler.postAtTime() method.
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Sep 10, 2009
Just wondering is it necessary to close cursor when an activity is stopped or pause?
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Sep 26, 2010
How do some android app make their service restart even if killed from task manager? A good example is Lookout security app. What I guess is that it has registered for all common events that are announced like app installed unistalled, interenet available ,etc.Is this a way to keep your service running ?Another solution I found was to make 2 services monitoring each other, so if one gets killed restart another.Which one would be a proper approach? Is there any way in android to start booting automatically(if device is switched off) once connected to power source? I have never heard this on mobile platform.This is possible for PC through bios feature. Can it be done on android?
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Aug 21, 2010
I have just started using services in Android and I have a made a simple service that is polling a server every 20 seconds. Now how can I get this data from my main activity (when it is active)? Alternatively the service could send it back do my main activity (but only if its active). I don't want to wake up my activity. I have read SDK examples of "Binding" but I can't find an example how to actually get something from the service. Just how to start and stop the Binding. From the example. If I have the "mBoundService" object in my activity how do I get my data from the service method called eg. "polling Data()"?
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Sep 9, 2009
I want the application to run in background. This application should run continuously and should never get killed. Will running application as Service solve this issue? The application should get started automatically on start up. I don't need any GUI for this application. The main issue is Service getting Killed. Does service get killed ? and in what conditions will that happen?
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Jul 27, 2010
I have an app that has a service with it. This service is started the first time you open the app is is suppose to run continuously in the background every two minutes. It seems that at some point though the service stops running or alarmManager stops scheduling/doing what is requested of it. Here is a breakdown of my code flow.
User opens the app,. Service is started, Inside the service I cancel any alarms that might be for this app then create a new one set for two minutes out, Once the alarm is set I call a GPS location check to get lat/lon, I then call up a .net web service to do some stuff with the lat/lon, Once text is returned I check that text for certain Items, If a certain item is found I send a broadcast out to a receiver that then creates a wakelock, starts a new intent to open an activity of my app then sounds an alarm, Right after I broadcast I call stopSelf() as well as calling stopSelf() if the text did not contain certain Items, I call finish() on the new activity I started if we go that far once the Active screen of my app is closed.
The reason I think something is dieing out here is because after some point in time usually once I wake up in the morning and check the phone I no longer see my GPS icon on my droid checking every two minutes.
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Nov 13, 2009
how to check that the service with some name is running once? also if i go out from my activity then my service is running & when i come to my activity the onCreate method is called so my service is created again in this case or running service will be attached again?
public class ServiceExampleActivity extends Activity { Intent intent; Button start,stop; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); intent = new Intent(this, ServiceExample.class); // service example is service class Log.i("-----service------", "Service Created"); }
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Jan 9, 2010
how i can run the service automatically on bootup in 1.1 version of android where there is no IntentRecevier.
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Mar 1, 2009
How do I check if a background service (on Android) is running? I want an android activity that toggles the state of the service -- lets me turn it on if it is off and off if it is on.
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Feb 16, 2010
I have a service running in background. I start it from an Activity, but i want to recovery an instance of that service from other activity (in the same app) in order to call one method.
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Sep 28, 2010
I have a service that spawns a thread which runs a task every 3 seconds.My service runs fine when my phone is on, but when my phone is on standby, the service is often not responding.Any clues as to how I can ensure my service is running while on standby?
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Nov 7, 2010
I have an application that starts on boot using a broadcast receiver, also I have an activity and a process, because the service must run always on the background I am starting the service on it's own process using the android:process manifest tag.The ui is only for presentational needs and I would like the user to be able to run the service even if the activity is not active.when I press the back button or the home button the activity's on destroy method is called and the service although seems its running (it appears on the task manager) its not behaving as supposed, it should connect to the net and send some data but every X time using an timer task but the task never fires so the data are never send.
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Mar 13, 2010
Is there a way I can test if there are any other activities in my app still alive? I am looking to stop a service in an onDestroy method, but only want to do this if there are no other activities from my app still alive on the stack.
I have the call stop the service in the main activity's onDestroy() method. This works perfect EXCEPT that if a user launches my app, then launches a few activities in my app, then hits the home screen and RELAUNCHES my app, they will subvert my order and the main activity will now be above other activities of my app. From this state, if they hit the back button and 'back out' of my home screen they will trigger the onDestroy() method and kill the service even though there are other activities open on the stack. I want to avoid this by stopping the service ONLY if I am sure there are no other activities of mine open on the stack.
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Nov 24, 2010
I have an Android service, created in OnCreate of first Activity of the application using StartService(). I need this service to be running throughout the life span of the application ie, all the activities in the application. But the service should not consume the resources after user pressed Home key or Back button. Is there any elegant way to do that other than stopping the service in onPause() method of all the activities?
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