blackberry - 如何在电话响铃时或之前触发事件？

Question

在黑莓上，是否有任何可以在电话响起之前和之后发生的暴露事件？

例如如果号码是 999-9999，您能否即时覆盖振铃设置而不让它振铃？

Answer 1

是的，很有可能。
您需要连接到“电话事件”并创建一个电话监听器。
文档对此给出了一些提示。因此，启动您最喜欢的 Java IDE 并继续前进!

http://na.blackberry.com/eng/deliverables/1076/development.pdf (环顾第 190 页)

Listen for phone events.     >Implement the PhoneListener interface.
Register the phone listener. >Invoke Phone.addPhoneListener().
Remove a phone listener.     >Invoke removePhoneListener().

当新调用到达时，它使用 callIncoming(int) 回调。还有一堆:

    A call is added to a conference call.
    callAdded(int)

    A BlackBerry® device user answers a call (user driven).
    callAnswered(int)

    A conference call is established.
    callConferenceCallEstablished(int)

    The network indicates a connected event (network driven).
    callConnected(int)

    A direct-connect call is connected.
    callDirectConnectConnected(int)

    A direct-connect call is disconnected.
    callDirectConnectDisconnected(int)

    A call is disconnected.
    callDisconnected(int)

    A BlackBerry device user ends the call.
    callEndedByUser(int)

    A call fails.
    callFailed(int, int)

    A new call arrives.
    callIncoming(int)

    The BlackBerry device initiates an outgoing call.
    callInitiated(int)

    A call is removed from a conference call.
    callRemoved(int)

    A held call resumes.
    callResumed(int)

    A call is waiting.
    callWaiting(int)

    A conference call is ended (all members are disconnected).
    conferenceCallDisconnected(int)