如何在手机响铃时或之前开启活动？

Question

在黑莓上,是否有任何暴露的事件可以在电话响铃之前和之后发生？

例如,如果数字是999-9999,你可以动态覆盖戒指设置而不是响铃吗？

Answer 1

是的非常可能.您需要挂钩"电话活动"并创建电话听众.文档给出了一些暗示.所以启动你最喜欢的Java IDE并坚持下去!

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

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

当新呼叫到达时,它使用callIncoming(int)回调.还有更多:

    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)