telephonymanager

I am using the Telephony.Sms library to load in received and sent sms messages for the app I am working on. When I set the query selection to null (the third item in the query), it will show all the sent and received sms messages on the different types of phones I have been testing on. Cursor c = cr.query(Telephony.Sms.CONTENT_URI, null, null, null, null); But when I set it to a particular number, on the Samsung S9 phone running on API 27 it is not showing any sms messages. On the Nexus runnning on API 23, it will show the received messages but not the sent messages in the listview. On the

I'd like to check if a call being made is international or not. I have the SIM number which I obtain by using TelephonyManager.getLine1Number() and also the Country code ISO of the SIM Card which I obtain using TelephonyManager.getSimCountryIso(). Is there anyway I can find the country code of the number to which the call is being made? I don't think telephonyManager.getSimCountryIso() would help you determine 'to which country the call is being made' as it will return your country's ISO. Moreover, length of ISD codes vary across countries. For some countries it is 1, for some it's 2, for some

Trying to setup a simple broadcast receiver in the manifest of an Android app, to detect when the phone is ringing and start a service. Its not receiving the broadcast when a call comes in, no log output, nada. I tried the android.intent.action.PHONE_STATE action and also the TelephonyManager.ACTION_PHONE_STATE_CHANGED in the manifest, neither did anything for me. <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <receiver android:name="com.berrmal.calllog.CallReceiver" android:enabled="true" >

im using a phone call listener in my activity but after finishing my activity , afer user make a call, my phone call listener not dead and brig up activity again !! please help me. phoneListener = new PhoneCallListener(); telephonyManager = (TelephonyManager) TransferActivity.this.getSystemService(Context.TELEPHONY_SERVICE); telephonyManager.listen(phoneListener, PhoneStateListener.LISTEN_CALL_STATE); PhoneCallListener class : private class PhoneCallListener extends PhoneStateListener { boolean isPhoneCalling = false; @Override public void onCallStateChanged(int state, String incomingNumber) {

I am able to get the carrier name using the following snippet : TelephonyManager telephonyManager = ((TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE)); String operatorName = telephonyManager.getNetworkOperatorName(); It works really fine. I am also able to get the incoming call number using the following snippet: private final PhoneStateListener phoneStateListener = new PhoneStateListener() { @Override public void onCallStateChanged(int state, String incomingNumber) { String callState = "UNKNOWN"; switch (state) { case TelephonyManager.CALL_STATE_RINGING: } } } I want to