Question

我想拨打一些电话号码，如果没有接听，请拨打另一个电话号码。

这可能吗？

我正在尝试使用此代码，但我始终先CALL_STATE_IDLE和CALL_STATE_OFFHOOK（仅在进行通话时），然后在完成通话时（因为通话不是）回答或因为它完成了）我再次CALL_STATE_IDLE。

TelephonyManager manager = (TelephonyManager) activity.getSystemService(Context.TELEPHONY_SERVICE);
PhoneStateListener callListener = new MyCallListener();
manager.listen(callListener, PhoneStateListener.LISTEN_CALL_STATE);

Intent intent = new Intent(Intent.ACTION_CALL);
intent.setData(Uri.parse("tel:" + phoneNumber));
activity.startActivity(intent);

class MyCallListener extends PhoneStateListener
{
    @Override
    public void onCallStateChanged(int state, String incomingNumber)
    {
        if (TelephonyManager.CALL_STATE_RINGING == state) {
            Log.i(TAG, "RINGING, number: " + incomingNumber);

        } else if (TelephonyManager.CALL_STATE_OFFHOOK == state) {
            Log.i(TAG, "OFFHOOK, number: " + incomingNumber);

        } else if (TelephonyManager.CALL_STATE_IDLE == state) {
            Log.i(TAG, "IDLE, number: " + incomingNumber);

        } else {
            Log.i(TAG, "Unexpected call state: " + state);
        }
    }
}

Answer 1

您无法检测您的通话是否已被接听。

TelephonyManager.CALL_STATE_RINGING用于拨打电话而非拨出电话。

关注this

public static final int CALL_STATE_RINGING

Added in API level 1
Device call state: Ringing. A new call arrived and is ringing or waiting. In the latter case, another call is already active.

Constant Value: 1 (0x00000001)

如何在Android中拨打电话并告知是否有人接听

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