【问题标题】:How to know callee is answered the call (What is the phone state when he lift the call)如何知道被叫方是否接听了电话(他拿起电话时的电话状态是什么)
【发布时间】:2012-07-16 06:16:57
【问题描述】:

我想知道如何在被叫方拨打电话时发出警报。我使用了PhoneStateListenerBroadcastReceiver

一般有CALL_STATE_IDLE , CALL_STATE_OFFHOOK, CALL_STATE_RINGING三种状态。

CALL_STATE_OFFHOOK状态是呼叫连接时呼叫,被呼叫者接听后没有呼叫上述三种状态 打电话。

这是我的广播接收器。

public class PhoneStateBroadcastReceiver extends BroadcastReceiver
{

   @Override
    public void onReceive(Context context, Intent intent)
    {

        TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        telephonyManager.listen(new CustomPhoneStateListener(context), PhoneStateListener.LISTEN_CALL_STATE);

    }

    public class CustomPhoneStateListener  extends PhoneStateListener
    {

        Context context; //Context to make Toast if required 
        ActivityManager activityManager;

        public CustomPhoneStateListener(Context context)
        {
            super();
            this.context = context;
        }

        @Override
        public void onCallStateChanged(int state, String incomingNumber) 
        {
            super.onCallStateChanged(state, incomingNumber);
            Log.v("PhoneStateBroadcastReceiver", "onCallStateChanged state"+state);


            switch (state) 
            {
            case TelephonyManager.CALL_STATE_IDLE:
               Toast.makeText(context, "=CALL_STATE_IDLE==", Toast.LENGTH_LONG).show();
             break;
            case TelephonyManager.CALL_STATE_OFFHOOK:
                Toast.makeText(context, "CALL_STATE_OFFHOOK", Toast.LENGTH_LONG).show();

                break;
            case TelephonyManager.CALL_STATE_RINGING:
                Toast.makeText(context, "CALL_STATE_RINGING", Toast.LENGTH_LONG).show();

                break;
            default:
                break;
            }
        }
      }
 }

我看到一些应用程序在接听电话时会录制语音。我想知道接听电话的状态。

是否有任何其他状态或侦听器可以知道被叫方何时接听电话?

【问题讨论】:

    标签: android telephonymanager phone-call


    【解决方案1】:

    状态将是OFF_HOOK

    设备通话状态:摘机。至少存在一个正在拨号、激活或保持的呼叫,并且没有呼叫正在振铃或等待。

    你可以在这个链接上看到:
    http://developer.android.com/reference/android/telephony/TelephonyManager.html

    【讨论】:

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