How many ways for an android service to communicate with other components within the same application -

in android, given specific service, how many methods exist service communicate other components (activity, content provider, receiver, other services)?

as far know, there @ least 7 methods:

1. startservice
2. aidl/bindservice
3. sendbroadcast
4. startactivity
5. notification
6. messenger mechanism
7. ashmem

are there others?

thanks.

like gunar said, can use event bus.

the popular are:

• otto (square)
• eventbus (greenrobot)

the documentation it's self explanatory if need started let me know.

regards, ryan