Android :: Having A Service Run Every Day At 4AM
Jun 11, 2010
I would like to know the best practices for running a Service every day at 4AM.The way I think I should be doing it is to create a new repeating alarm using AlarmManager and having it run the service at 4AM. Problem is, I'm not sure where to put the code to set the alarm.Do I do it in my main activity as one of the first tasks in the OnCreate method? Do I do some funky stuff with BroadcastReceivers and intents? What happens when a user updates my app? What happens when a user restarts?Any help with these questions would be much appreciated.Sample code would be helpful as well!
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Jun 24, 2009
I have a service running in the background.I have a background thread that gets a reference to the service from the application's main activity. But when the background thread calls a method in the service to display a toast, I get the "Looper not initialized exception".Why,if I have a valid, bound reference to a Service, does this still happen?
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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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Jul 22, 2010
I am trying to run the sample soft keyboard included in the SDK. I am using the debugger, and the literature says that to use a breakpoint while debugging a SERVICE, I need to include:
android.os.Debug.waitForDebugger();
So here is the portion of the code I modified:
CODE:...........
I have put a couple of breakpoints, at the statements indicated by the comments.
This is what happens: the debugger first stops at the breakpoint1, for a few seconds. But then the service restarts. For the life of me I can't figure out what makes the service to restart.
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Mar 1, 2009
My service works exactly the way i want as long as i use start and stop and communicate using intents. However my activity needs to change the state of my service as well as retrieving state information.So i thought it would be nice to broadcast some kind of state_changed event from my service and use a binder interface to pull information from the service or change the services state based on user input.This works fine too. The only problem is that my service gets killed when i unbind it just as the documentation says.Is there any way to keep the service alive but still get an interface to control it directly. My activity offers the user a way to stop the service and the service kills itself anyway after it's work is done but i don't want the service to stop every time the activity is destroyed.
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Nov 9, 2010
I'm confused about whether I need to run my service in a separate process. What are the advantages / disadvantages of each?For reference I'm trying to create an App that uses a service to play [streaming] audio in the background. So which one is better for my use case?
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Nov 20, 2010
what I'm trying to do here is implement something like a peer-to-peer client. Being that, it will start a client thread and a server thread.I know Services themselves run in the main GUI thread, so I'll have to start a couple of independent threads (or Asynctasks?) for each server and client. The only thing I'm not so sure about is if I'll better have 1 Service starting 2 threads, or maybe 2 services, each one of them starting their own thread.
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Nov 30, 2009
I got an problem on getting the TelephonyManager in my personal service. The code as below: public class MyService extends Service {@Override public IBinder onBind(Intent intent) { return mBinder;}
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Sep 30, 2009
i have an app that binds to a local service.I want to add a desktop widget that binds to the same service. does my service have to be a remote service or can it still be local?if it can still be local, how can I get at the local binder?
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Sep 30, 2010
Please show me how to bind to a Service from another Service on Android.
If you have an image to show how to do.
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Jul 16, 2010
I am developing an Android app which needs to poll a specific webpage in time intervals. I've got it to the point where it does indeed poll the page on a specific interval, and that interval is specified in a SharedPreference which can be changed by the user in the settings page of the app. But complications arise when network connectivity is flaky.For example, how do I ensure that the Service "wakes up" the network adapter and gives it ample time to connect before polling the page, in the case that the phone was sleeping to save power? This polling action can happen as little as once every 24 hours, so I don't want to miss one action just because the network was out (but turned on a few seconds, minutes, or even hours later).
Or there are times when the web service doesn't respond, or DNS doesn't respond, or what have you, and for any reason it doesn't get a response even though the phone is technically connected. What sort of rule do I put in place to make this retry later, so that I'm not retrying repeatedly when the user specifically turned off their internet but I'm retrying soon enough that if it was just a hiccup, the data can be received soon after the first try?Are there any examples for this type of situation? What is the logic to best handle this?
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May 28, 2010
I'm developing a GPS tracking software on android. I need IPC to control the service from different activities. So I decide to develop a remote service with AIDL.This wasn't a big problem but now it's always running into the methods of the interface and not into those of my service class. Maybe someone could help me?If i now try to call a method from an activity for example start(trackId) nothing happens. The binding is OK. When debugging it always runs into the startTracking() in the generated ITrackingServiceRemote.java file and not into my TrackingService class. Where is the problem? I can't find anything wrong.
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Feb 17, 2010
i have a question about Services in Android.I have a application with two Services A and B.Is it possible that Service A can stop Service B?I dont want to do it through a Activity, cause the Application will be in Background. If some special Event happen in Service A, then it should tell Service B to stop. How can i do that?
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Jan 10, 2014
I have a galaxy s2 and after I installed costom roms I dont have any signal what so ever.
I tried with like 3 roms and the same result.
I tought it was a modem problem and I tried to install some modems and see if that works. But it didnt.
My Service State says Out of service and sometimes it says Radio off.
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Jun 3, 2010
I hosted my service WCF (.net) using a windows service,i can access to the service from any browser but when i tried to call it from android it doesn't respond. it works fine before the hosting procedure (i used host client by default on Visual Studio).The url that i try to attempt is from android emulator, and installed my webservice in the same local machine(endpoints address http://localhost.).
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Jun 13, 2009
I am creating a application whose only component is a service which keeps on running in background (basically a proxy server) but I am not able to find a way how to start that service. Application can not have any UI or user interaction so I am not using Activity.Broadcast receiver can listen to BOOT broadcast but how do I start service first time when it is installed and how can I keep it running?or is there a broadcast which I can listen after app is installed e.g. may be TIME_TICK but that has to be registered from activity i think.
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Apr 24, 2010
What is, and when would it be good to use "IPC"?
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Jun 15, 2010
I have an activity that contains a button in it,and once this button is clicked I start service ,but each time i press the button no service is started and this message appear in the LogCat Unable to start service intent {Package name}: Not found
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Jul 15, 2010
Why should I use startActivity() in a Service? If I need an Activity a have to call an activity and if I need a "delayed activity" I have to use the notification. So, why should I use startActivity()?
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Aug 31, 2010
Service Component is used to do some task which can be done without user interaction. But for that we have to run a thread in subclass of the Service. I think we can create a thread in Activity class itself then what is the use of Service component? Why don't we create another thread and write the non interacting code in this thread.
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Jan 18, 2010
I am new to Java and Android.I would like to retrieve remote data and display it within my activity. To prevent tying up to UI, I understand that I can do this in another thread. (I thought I could just-as-well fetch this remote data from within a service, but that appears to tie up the UI thread also). So now I'm beginning to think I need to either run the logic from a new thread within a service, or run a service within a new thread. But which? I have found many examples online of running new threads or services, but I have yet to find an example of both at the same time.
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Apr 9, 2010
Android has such concept as a Service. It makes sense for interprocess communication. But if I need this service from Activities running in the same process regular singleton seems to be more convenient. No need to register, to bind. Are there any benefits to use service in the same process?
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Aug 25, 2010
I'm quite new to Android development. When is it a good idea to create an Android Service instead of just using a simple Singleton class?
Take, for example, the data layer downloading information feeds from the internet. Using a Service seems too much for some cases but sometimes I might need access to a Context so I'm a little unsure about how to design the app.
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Aug 28, 2009
Can I Receive a Broadcast from a Service? It seem I have to extend BroadcastReceiver to receive broadcasts but I'm already extending Service and I can't extend 2 classes. Do I set up an additional Activity to receive broadcasts and then just pass stuff to the already running Service. And if so, how to I pass additional info to an existing Service? Is there a better way?
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Jun 2, 2010
I have seen several examples on how to implement a BroadCastReceiver, but how should I implement a Service who has to react on some pending Intent (for example incoming phone call)...Actually I was wondering about the same "prbolem" but in an Activity..You obviously have a class which extends a Service 9or an Activity) so it cannot also extend BroadCastReceiver...It looks like we cannot make "platform-awar" services and/or Activties ?
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Nov 17, 2010
Is there any wikipedia web service which can be used in android. I googled it and found web service for Java as under construction. How to access wikipedia articles , Are there any rss feeds for wikipedia(which I can do a SAX parsing and access the article details ? or Are there any web service which will return JSON data?
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Aug 11, 2010
What I'm basically trying to achieve is custom global hot keys or in other words 'things will happen when I push certain buttons no matter which program is currently on top'.I assume a service is needed.I have a quick and dirty test that just tells me what has been pressed that will work if it is the active window.But obviously if I change window or go into a text box it doesn't work. If I stick it directly into a service (or an imputmethodservice) and launch said service nothing happens. (Some permissions required maybe?)Any suggestions where I'm going wrong?Or a better way of capturing which button is pressed?
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Sep 6, 2010
I am currently working on an application in android where I need to call the Web Service. I am working in Android and I don't have an idea about how to call a web Service in Android.So, can anybody please help me out in how to call a Web Service in Android Programming.
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May 19, 2009
Our remote service is working great on 1.1. It is a pretty rich API too. BUT, running the same code on cupcake, it hangs after the service returns the concrete interface stub it has new'd in onBind(). (onConnect() in the client's ServiceConnection is never executed)
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Aug 13, 2009
I want to hide my application from user so i just want to create service. Can some one tell me how can i create service only with out activity. Can some one tell me can i create only the service in whole project instead of activity. Is it feasible?
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