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25-Jan-2016 |
Sailesh Nepal <sail@google.com> |
Add new public API to allow call screening
This CL adds a new service that the default dialer can implement to
screen incoming calls.
If the service is implemented then Telecom uses it to decide if a call
should be shown to the user or rejected.
Note, I initially tried to simply extend InCallService instead of
creating a whole new service. The problem with this approach is that:
- this breaks some in call services which show UI as soon as they are
bound to
- the in call service lifecycle is tightly coupled to adding and
removing calls. Call screening happens before a call is added which
makes it a bad fit to in call service
- call screening is a function of only the default dialer's in call
service but the existing code also binds to "controller" call
services
For these reasons it seemed simpler to just create a new optional
service.
BUG: 22857261
Change-Id: I53f2ef93360e0af19b6ce45af21026be6cf3a7f3
/frameworks/base/telecomm/java/android/telecom/CallScreeningService.java
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