In an Android service, is there a way to determine how many clients are bound to it?
There's no API to find out how many clients are bound to a Service.
If you are implementing your own service, then in your ServiceConnection you can increment/decrement a reference count to keep track of the number of bound clients.
Following is some psudo code to demonstrate the idea :
MyService extends Service {
...
private static int sNumBoundClients = 0;
public static void clientConnected() {
sNumBoundClients++;
}
public static void clientDisconnected() {
sNumBoundClients--;
}
public static int getNumberOfBoundClients() {
return sNumBoundClients;
}
}
MyServiceConnection extends ServiceConnection {
// Called when the connection with the service is established
public void onServiceConnected(ComponentName className, IBinder service) {
...
MyService.clientConnected();
Log.d("MyServiceConnection", "Client Connected! clients = " + MyService.getNumberOfBoundClients());
}
// Called when the connection with the service disconnects
public void onServiceDisconnected(ComponentName className) {
...
MyService.clientDisconnected();
Log.d("MyServiceConnection", "Client disconnected! clients = " + MyService.getNumberOfBoundClients());
}
}
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