我怎么知道通话何时结束？

Question

  

可能重复：
  How can my android app detect a dropped call?
  Detecting outgoing call and call hangup event in android

我制作的应用需要在通话结束时启动意图，但我不知道该怎么做， 我在Call Reciver中使用它来跟踪新的呼叫：

    telephony.listen(imPhoneListener, PhoneStateListener.LISTEN_CALL_STATE);

Answer 1

当无线电状态回到空闲状态时。但是你无法检测连接是否已建立。

Answer 2

使用 TelephonyManager

public void onCallStateChanged(int state, String incomingNumber) {
                String stateString = "N/A";
                switch (state) {
                case TelephonyManager.CALL_STATE_IDLE:
                    stateString = "Idle";
                    break;
                case TelephonyManager.CALL_STATE_OFFHOOK:
                    stateString = "Off Hook";
                    break;
                case TelephonyManager.CALL_STATE_RINGING:
                    stateString = "Ringing";
                    break;
                }

                System.out.println("state-:: " + stateString);
            }