telephonymanager

问题 I'm trying to determine for how long a user has been in a GSM call. Is that possible using the TelephonyManager?Thank you. 回答1: You can set a listener on TelephonyManager. Try this. long startCallTime = 0; private void setTelephonyManagerCallListener(){ TelephonyManager tm = (TelephonyManager)this.getSystemService(Context.TELEPHONY_SERVICE); tm.listen(phoneCallStateListener, PhoneStateListener.LISTEN_CALL_STATE); } private PhoneStateListener phoneCallStateListener = new PhoneStateListener(){

问题 I want to know that how to check that phone call service is enable or not in different devices, i have Micromax Funbook(p300) Tablet(Android 4.0.3), in which there is no calling service, and i am using below code to check that TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); if (tm.getPhoneType() == TelephonyManager.PHONE_TYPE_NONE) { Log.v("TAG", "No calling service"); }else{ Log.v("TAG", "calling service"); } but this is not working. it always gives

问题 I want to get my network operator name in my app. I am using fallowing methods in the TelephonyManager to get this: TelephonyManager mTeleManager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE); mTeleManager.getSimOperatorName(); mTeleManager.getNetworkOperatorName(); mTeleManager.getSimOperator() But I am getting empty values from the "getSimOperatorName()" and "getNetworkOperatorName()".. I am getting numeric code from this "getSimOperator()" method, But I want know the alphabetic

问题 I need phone numbers while developing my application. So, I used TelephonyManager as seen below: TelephonyManager tmgr =(TelephonyManager)getApplicationContext().getSystemService(getApplicationContext().TELEPHONY_SERVICE); Log.d("Tag", tmgr.getLine1Number()); But when I tried application in different devices, somehow getLine1Number() not working. I mean returns NULL . Permission is okay. Finally, does getLine1Number() depend on other requirements ? Is it possible to learn phone number on

问题 I have been working on this problem since weeks. I am making an app which picks the incoming number and shows it in a dialog box after the call is ended. Everything is working fine below android PIE 9.0. The number is always null in android PIE. I have given all permissions including READ_CALL_LOGS but same problem. The incoming number is null. So please anyone help me... Here is my manifest file : <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com

问题 I want to know how do I access the phone type info [whether it is GSM or CDMA] from TelephonyManager . which function can I use for this: My code for this is : SubscriptionManager sm = SubscriptionManager.from(context); List<SubscriptionInfo> sil = sm.getActiveSubscriptionInfoList(); sim_value[0]= sil.get(0).getDisplayName().toString(); sim_value[1]= sil.get(0).getIccId().toString(); sim_value[2]= String.valueOf(sil.get(0).getSimSlotIndex()); sim_value[3]= sil.get(0).getCarrierName().toString

问题 I'm new to android, and I work on a project that goes to collect all cells information that observed by phone. I have used TelephonyManager.getAllCellInfo() method, but it always returns null . My Code :: public class NetworkCoverageActivity extends AppCompatActivity { private String str; private TextView TV; private Button getCellsInfoBtn; private TelephonyManager TM; private List<CellInfo> cellInfoList; private PhoneStateListener PSL; private int event; @Override protected void onCreate

问题 I know how to check if I have internet access (using the code from this post),but is it possible to check if a phone has telephone network access? For example someone might have access to the internet via Wifi but not have phone network access to send SMS or make calls. In my case, while using a real device (Samsung Galaxy S), I am able to turn of my 3G network (then the phone will detect I am not connected to the internet), but I am still able to make phone calls and send SMS. I guess I must

问题 I have shifted my eclipse code to android studio and I tried executing the project on studio and it crashes on TelephonyManager. I have created the old code on Theme.Holo.Light . I have added permissions: <uses-permission android:name="android.permission.READ_PHONE_STATE"/> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="com.google.android.providers.gsf.permission.READ

问题 I am trying to fetch incoming number of incoming call. I searched and found this Retrieve incoming call's phone number in Android. My issue is that I am not able to "incoming number" in version above 4.0.3. Please guide me if I am doing anything wrong ,or how to get the incoming number in version above 4.0.3. Thanks in advance. Here is code : TelephonyManager telephony = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE); telephony.listen(new PhoneStateListener(){ public