检测是否呼出已回答 [英] Detect if an outgoing call has been answered

问题描述

在 ACTION_NEW_OUTGOING_CALL 已播出，我需要捕捉对方回答以下事件。你能就如何实现他的意见吗？我知道这是可能由于Android拨号器应用程序改变的绿色机器人图标的人的照片excatly，当他们拿起。谢谢！

Once ACTION_NEW_OUTGOING_CALL has been broadcasted, I need to capture the following event of the other party answer. Could you advice on how to achieve that please? I know it is possible as the android dialer app changes the green android icon to the person's photo excatly when they pick up. Thanks!

更新：我有一个看在Android应用程序处理呼出电话的来源。我注意到，在下面的方法 ContactsUtils ：

UPDATED: I've had a look at the source of the app on Android handling the outgoing calls. I noticed the following method in ContactsUtils:

/**
 * Kick off an intent to initiate a call.
 */

 public static void initiateCall(Context context, CharSequence
 phoneNumber) {
     Intent intent = new Intent(Intent.ACTION_CALL_PRIVILEGED,
             Uri.fromParts("tel", phoneNumber.toString(), null));
     context.startActivity(intent); }

我想我的答案是，在活动侦听 Intent.ACTION_CALL_PRIVILEGED 。因此，要reprhase我的问题：有没有人知道哪个活动手柄 Intent.ACTION_CALL_PRIVILEGED ？谢谢先进

I guess my answer is in the activity listening for Intent.ACTION_CALL_PRIVILEGED. So to reprhase my question: Does anyone know which activity handles Intent.ACTION_CALL_PRIVILEGED? Thank you in advanced

推荐答案

我不认为有这样的API，也有用于发送DTMFs原因是，你不能告诉当呼叫连接同样的原因没有API

I don't think there's such API and also there's no API for sending DTMFs due to the same reason that you can't tell when the call is being connected.

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