Getting the caller ID in Android 9
I have been using the following code in a BroadcastReceiver to get the caller ID of incoming calls: @Override public void onReceive(Context aContext, Intent aIntent) { String action = aIntent.getAction(); if (action==null) return; if (!action.equals("android.intent.action.PHONE_STATE")) return; String curState = aIntent.getStringExtra(TelephonyManager.EXTRA_STATE); if ((TelephonyManager.EXTRA_STATE_RINGING.equals(curState)) &&(TelephonyManager.EXTRA_STATE_IDLE.equals(oldState)))){ String incNumber = aIntent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER); // do something here } oldState