如何获取带有日期和时间的拨出电话号码？

Question

我收到来电详细信息 (Number,Name,Date)。但是如何获取拨出电话的详细信息。我已经为拨出电话的详细信息编写了代码，但它抛出 NullPointerException。下面是我的 MyCallReceiver.java 文件和清单文件

  public void onReceive(Context context, Intent intent) {

    this.context = context;



    if (intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(TelephonyManager.EXTRA_STATE_RINGING)) {

        String incomingNumber = intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER);

        Toast.makeText(context, "Call From : " + incomingNumber, Toast.LENGTH_LONG).show();

        doToast(getContactName(context, incomingNumber) + " " + incomingNumber);
        String currentDateTimeString = DateFormat.getDateTimeInstance().format(new Date());
        doToast(currentDateTimeString +" "+incomingNumber);


    } else if (intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(TelephonyManager.EXTRA_STATE_IDLE) || intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(TelephonyManager.EXTRA_STATE_OFFHOOK)) {
        Toast.makeText(context, "DETECTED CALL HANG UP EVENT", Toast.LENGTH_LONG).show();

        String outgoingNumber=intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
        Toast.makeText(context,"Calling To :"+outgoingNumber,Toast.LENGTH_LONG).show();
    }
 }

Answer 1

首先intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER)给你去电号码，而phone状态是空闲的，然后变成"null"，而phone状态变成OFF_HOOK.

最简单的方法是在另一个 onRecive 发生之前保存号码。

Answer 2

为不同的事件（即来电与去电）创建单独的侦听器可能会让您的生活更轻松。对于去电，而不是检查 TelephonyManager 的状态，您可能想要创建一个 IntentFilter.

IntentFilter filterCalls = new IntentFilter();
filterCalls.addAction(Intent.ACTION_NEW_OUTGOING_CALL);
MyCallReceiver myCallReceiver = new MyCallReceiver();
registerReceiver(myCallReceiver, filterCalls);

然后在您的 onReceive 中您可以简单地拥有：

 String outgoingNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER)

并确保它会起作用。

Answer 3

public void onReceive(Context context, Intent intent)
{
    String state=intent.getStringExtra(TelephonyManager.EXTRA_STATE);

    if(state==null)
    {
        //Outgoing call
        String number=intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
        Log.i("tag","Outgoing number : "+number);
    }
    else if (state.equals(TelephonyManager.EXTRA_STATE_RINGING))
    {
        //Incoming call
        String number = intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER);
        Log.i("tag","Incoming number : "+number);
    }
}

如何获取带有日期和时间的拨出电话号码？

How to get Outgoing call number with date and time?

android

android-studio

android-broadcastreceiver