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How to get Android Local Service instance

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16

I'm starting a service in my application using startService.

I do not want to use bindService as I want to handle the service life time myself.

How can I get an instance to the service started if I do not use bindService? I want to be able to get a handler I've created in the service class to post messages from the activity.

Thanks.

/ Henrik

android service

share|improve this question

asked Jun 11 '10 at 18:33

HenrikHenrik

1,01933 gold badges1818 silver badges4545 bronze badges

add a comment | 

16

I'm starting a service in my application using startService.

I do not want to use bindService as I want to handle the service life time myself.

How can I get an instance to the service started if I do not use bindService? I want to be able to get a handler I've created in the service class to post messages from the activity.

Thanks.

/ Henrik

android service

share|improve this question

asked Jun 11 '10 at 18:33

HenrikHenrik

1,01933 gold badges1818 silver badges4545 bronze badges

add a comment | 

I'm starting a service in my application using startService.

I do not want to use bindService as I want to handle the service life time myself.

How can I get an instance to the service started if I do not use bindService? I want to be able to get a handler I've created in the service class to post messages from the activity.

Thanks.

/ Henrik

android service

share|improve this question

asked Jun 11 '10 at 18:33

HenrikHenrik

1,01933 gold badges1818 silver badges4545 bronze badges

android service

android service

share|improve this question

asked Jun 11 '10 at 18:33

HenrikHenrik

1,01933 gold badges1818 silver badges4545 bronze badges

share|improve this question

asked Jun 11 '10 at 18:33

HenrikHenrik

1,01933 gold badges1818 silver badges4545 bronze badges

asked Jun 11 '10 at 18:33

HenrikHenrik

1,01933 gold badges1818 silver badges4545 bronze badges

asked Jun 11 '10 at 18:33

HenrikHenrik

1,01933 gold badges1818 silver badges4545 bronze badges

2 Answers
2

active

oldest

votes

16

I do not want to use bindService as I
want to handle the service life time
myself.

That does not mean you have to avoid bindService(). Use both startService() and bindService(), if needed.

How can I get an instance to the
service started if I do not use
bindService?

Either use bindService() with startService(), or use a singleton.

share|improve this answer

answered Jun 11 '10 at 18:41

CommonsWareCommonsWare

799k145145 gold badges19341934 silver badges19781978 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  By "using a singleton" you mean that I should declare my methods static in the service class?
  
  – Henrik
  Jun 11 '10 at 18:47
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Worked as a charm with both bindService and startService. Thank you!
  
  – Henrik
  Jun 11 '10 at 19:04
  

  
  
  
  


• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  @Henrik: FWIW, by singleton, I meant that you'd have a static reference to your service, put there by the service's onCreate(), removed in the service's onDestroy(). That runs the risk of memory leaks, so binding is recommended wherever possible.
  
  – CommonsWare
  Jun 11 '10 at 19:16
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @CommonsWare if i do bindService() from my Activity, i get service instance perfectly but problem is when i go to device home screen from my application by clicking on device back button no action trigger from Notification expanded(Status Bar) bigView (RemoteView). I want to trigger play/pause, next froward button (My app is Music player app) action.
  
  – Helal Khan
  Mar 23 '14 at 10:00
  

  
  
  
  

add a comment | 

5

Here's another approach:

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;

public class MyService extends Service 
 private Binder binder; 

 @Override
 public void onCreate() 
 super.onCreate();
 binder = new Binder();
 

 @Override
 public IBinder onBind(Intent intent) 
 return binder;
 

 public class Binder extends android.os.Binder 
 public MyService getService() 
 return MyService.this;
 
 

onServiceConnected(...) can cast its argument to MyService.Binder and call getService() on it. This avoids the potential memory leak from having a static reference to the service. Of course, you still have to make sure your activity isn't hanging onto a reference.

share|improve this answer

answered Jul 2 '14 at 21:47

Brodo FragginsBrodo Fraggins

46344 silver badges1212 bronze badges

add a comment | 

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16

I do not want to use bindService as I
want to handle the service life time
myself.

That does not mean you have to avoid bindService(). Use both startService() and bindService(), if needed.

How can I get an instance to the
service started if I do not use
bindService?

Either use bindService() with startService(), or use a singleton.

share|improve this answer

answered Jun 11 '10 at 18:41

CommonsWareCommonsWare

799k145145 gold badges19341934 silver badges19781978 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  By "using a singleton" you mean that I should declare my methods static in the service class?
  
  – Henrik
  Jun 11 '10 at 18:47
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Worked as a charm with both bindService and startService. Thank you!
  
  – Henrik
  Jun 11 '10 at 19:04
  

  
  
  
  


• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  @Henrik: FWIW, by singleton, I meant that you'd have a static reference to your service, put there by the service's onCreate(), removed in the service's onDestroy(). That runs the risk of memory leaks, so binding is recommended wherever possible.
  
  – CommonsWare
  Jun 11 '10 at 19:16
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @CommonsWare if i do bindService() from my Activity, i get service instance perfectly but problem is when i go to device home screen from my application by clicking on device back button no action trigger from Notification expanded(Status Bar) bigView (RemoteView). I want to trigger play/pause, next froward button (My app is Music player app) action.
  
  – Helal Khan
  Mar 23 '14 at 10:00
  

  
  
  
  

add a comment | 

16

I do not want to use bindService as I
want to handle the service life time
myself.

That does not mean you have to avoid bindService(). Use both startService() and bindService(), if needed.

How can I get an instance to the
service started if I do not use
bindService?

Either use bindService() with startService(), or use a singleton.

share|improve this answer

answered Jun 11 '10 at 18:41

CommonsWareCommonsWare

799k145145 gold badges19341934 silver badges19781978 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  By "using a singleton" you mean that I should declare my methods static in the service class?
  
  – Henrik
  Jun 11 '10 at 18:47
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Worked as a charm with both bindService and startService. Thank you!
  
  – Henrik
  Jun 11 '10 at 19:04
  

  
  
  
  


• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  @Henrik: FWIW, by singleton, I meant that you'd have a static reference to your service, put there by the service's onCreate(), removed in the service's onDestroy(). That runs the risk of memory leaks, so binding is recommended wherever possible.
  
  – CommonsWare
  Jun 11 '10 at 19:16
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @CommonsWare if i do bindService() from my Activity, i get service instance perfectly but problem is when i go to device home screen from my application by clicking on device back button no action trigger from Notification expanded(Status Bar) bigView (RemoteView). I want to trigger play/pause, next froward button (My app is Music player app) action.
  
  – Helal Khan
  Mar 23 '14 at 10:00
  

  
  
  
  

add a comment | 

I do not want to use bindService as I
want to handle the service life time
myself.

That does not mean you have to avoid bindService(). Use both startService() and bindService(), if needed.

How can I get an instance to the
service started if I do not use
bindService?

Either use bindService() with startService(), or use a singleton.

share|improve this answer

answered Jun 11 '10 at 18:41

CommonsWareCommonsWare

799k145145 gold badges19341934 silver badges19781978 bronze badges

share|improve this answer

answered Jun 11 '10 at 18:41

CommonsWareCommonsWare

799k145145 gold badges19341934 silver badges19781978 bronze badges

answered Jun 11 '10 at 18:41

CommonsWareCommonsWare

799k145145 gold badges19341934 silver badges19781978 bronze badges

answered Jun 11 '10 at 18:41

CommonsWareCommonsWare

799k145145 gold badges19341934 silver badges19781978 bronze badges

5

Here's another approach:

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;

public class MyService extends Service 
 private Binder binder; 

 @Override
 public void onCreate() 
 super.onCreate();
 binder = new Binder();
 

 @Override
 public IBinder onBind(Intent intent) 
 return binder;
 

 public class Binder extends android.os.Binder 
 public MyService getService() 
 return MyService.this;
 
 

onServiceConnected(...) can cast its argument to MyService.Binder and call getService() on it. This avoids the potential memory leak from having a static reference to the service. Of course, you still have to make sure your activity isn't hanging onto a reference.

share|improve this answer

answered Jul 2 '14 at 21:47

Brodo FragginsBrodo Fraggins

46344 silver badges1212 bronze badges

add a comment | 

5

Here's another approach:

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;

public class MyService extends Service 
 private Binder binder; 

 @Override
 public void onCreate() 
 super.onCreate();
 binder = new Binder();
 

 @Override
 public IBinder onBind(Intent intent) 
 return binder;
 

 public class Binder extends android.os.Binder 
 public MyService getService() 
 return MyService.this;
 
 

onServiceConnected(...) can cast its argument to MyService.Binder and call getService() on it. This avoids the potential memory leak from having a static reference to the service. Of course, you still have to make sure your activity isn't hanging onto a reference.

share|improve this answer

answered Jul 2 '14 at 21:47

Brodo FragginsBrodo Fraggins

46344 silver badges1212 bronze badges

add a comment | 

Here's another approach:

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;

public class MyService extends Service 
 private Binder binder; 

 @Override
 public void onCreate() 
 super.onCreate();
 binder = new Binder();
 

 @Override
 public IBinder onBind(Intent intent) 
 return binder;
 

 public class Binder extends android.os.Binder 
 public MyService getService() 
 return MyService.this;
 
 

onServiceConnected(...) can cast its argument to MyService.Binder and call getService() on it. This avoids the potential memory leak from having a static reference to the service. Of course, you still have to make sure your activity isn't hanging onto a reference.

share|improve this answer

answered Jul 2 '14 at 21:47

Brodo FragginsBrodo Fraggins

46344 silver badges1212 bronze badges

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;

public class MyService extends Service 
 private Binder binder; 

 @Override
 public void onCreate() 
 super.onCreate();
 binder = new Binder();
 

 @Override
 public IBinder onBind(Intent intent) 
 return binder;
 

 public class Binder extends android.os.Binder 
 public MyService getService() 
 return MyService.this;
 
 

share|improve this answer

answered Jul 2 '14 at 21:47

Brodo FragginsBrodo Fraggins

46344 silver badges1212 bronze badges

answered Jul 2 '14 at 21:47

Brodo FragginsBrodo Fraggins

46344 silver badges1212 bronze badges

answered Jul 2 '14 at 21:47

Brodo FragginsBrodo Fraggins

46344 silver badges1212 bronze badges