Blackberry 我如何在电话铃响时或之前启动活动？

在黑莓手机上，是否有任何暴露事件发生在电话铃响之前和之后

e、 g.如果电话号码是999-9999，您是否可以动态覆盖响铃设置而不让它响铃？

是的，非常可能。 您需要连接到“电话事件”并创建一个电话侦听器。 文件对此给出了一些提示。因此，启动您最喜爱的JavaIDE并继续吧

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当新呼叫到达时，它使用callIncoming（int）回调。还有很多：

    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)

    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)