I want to read which sim card allocated for default voice call in sim management settings programmatically .Is that possible? I have tried to open setting provider by intent but I cant able read the sim slots allocated for calls
I dont think its possible. But hey, if you want to know which sim was used for making call, you can get it from call logs database. There is a column for sim slots in the table.
This isn't a definite answer, I'm also looking for this function.
But I managed to find a solution which works partially. You can use the TelephonyManager to obtain the preferred SIM.
TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
String activeSIMNetwork = tm.getNetworkOperator();
The catch here, is that this preference is not sometimes valid. If you change from one sim to another and check, it will give you the correct preferred SIM set in the phone. But if you reboot the phone and check, it will not give you the correctly displayed preference.
I will post an update if I get it to work in some other way.
Related
I am developing an application that I need to find user phone number.
I founded Telephony Manager but this class does not guarantee that the phone number always returns.so i want to know is there any solution(probably not a straight solution that can i give users phone number because the number does not coded on sim card) in android?
Only few service providers provide phone number via getLine1Number() method. Instead you can get a unique number for each sim using getSimSerialNumber() method.
Ask the user to enter phone number, you can store his simnumber using getSimSerialNumber();
Then authenticate depending on the sim number, this should solve your problem
You don't have much possibilities here you can use either :
TelephonyManager tMgr =(TelephonyManager)mAppContext.getSystemService(Context.TELEPHONY_SERVICE);
String mPhoneNumber = tMgr.getLine1Number();
Which as you said is not guaranteed to always return a number. Or you can ask user to enter the number manually. I think there's no other option.
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 every device.
Thanks for advices.
it is not possible to get phone number on every device because this depends on how sim card is made. This is a sim card limitation.
The following code does not give me the phone number of the device ,how can i get the phone number
TelephonyManager tm = (TelephonyManager)getSystemService(TELEPHONY_SERVICE);
String number = tm.getLine1Number();
Toast.makeText(getApplicationContext(),"Telephone number: "+ number,
Toast.LENGTH_SHORT).show();
ALso i have tried the following..but the number doest show up
Programmatically obtain the phone number of the Android phone
How to get the mobile number of current sim card in real device?
The only method available from Android API as all the comments suggest is getLine1Number(). However I have never been able to obtain it since your operator must provide you with a SIM that supports letting phone read internal phone number. That seems not very common, so I am afraid that you could be left without means of knowing it.
That's why some programs that use your phone number to identify you (i.e. Whatsapp) do ask user about his/her phone number, because there is no sure way to getting it programatically.
the code provided:
TelephonyManager tMgr =(TelephonyManager)mAppContext.getSystemService(Context.TELEPHONY_SERVICE);
mPhoneNumber = tMgr.getLine1Number();
should work fine, however, it will not if you forgot the permission "READ_PHONE_STATE".
Hope this works now :)
Try this:
private String getMyPhoneNumber(){
TelephonyManager mTelephonyMgr;
mTelephonyMgr = (TelephonyManager)
getSystemService(Context.TELEPHONY_SERVICE);
return mTelephonyMgr.getLine1Number();
}
Hope it help you
[In case if anyone still stumbles here looking for this still existing age-old problem]
AFAIK, TelephonyManager.getLine1Number() is not reliable due to various constraints from operators.
There are some java reflection based hacks but varies from device to device thus making those hacks sort of useless [at least in terms of supported models]
But there is a legitimate lawful logic to find the number, if you really need so. Query all the SMS by sms provider and get the "To" number.
Extra benefits of this trick: 1. you can get all the line numbers if there is multi sim in the device.
Cons: 1. you will need SMS_READ permission [sorry for that]
2. You will get all the sim numbers ever used in the device. this problem can be minimised with some constraint logic e.g. time frame (sms received or sent only today) etc. It would be interesting to hear from others about how to improve this case.
I am trying to develop an application that needs the phone number of SIM Card every time a new SIM Card is inserted in the phone....Then i will use that phone number to get the user subscribed to an online server.I have read many forums and found something like this
TelephonyManager tMgr =(TelephonyManager)mAppContext.getSystemService(Context.TELEPHONY_SERVICE);
mPhoneNumber = tMgr.getLine1Number();
but everyone said that this is not an efficient method.If this is not an efficient method then which is the efficient method and also I cannot use any other property like SIM id or Subscriber ID etc.I only need the PHONE NUMBER. Any help would be appreciated.
As far as I know, this method would not always return right SIM number; it depends on the SIM card itself.
If you really want to get the SIM number, you can send a SMS to a specific phone, so you will get it.
TelephonyManager is not the right Solution,Because in some cases the
number is not stored in the SIM, Due to my suggestion,You should use
Shared Preference to store user's Phone number first time the
application is open, and after that the number will used whenever you
need in application.
Thank you.
I use the TelephonyManager to do this and you can access TelephonyManager s methods as given below
TelephonyManager telephonyManager = (TelephonyManager)getSystemService(TELEPHONY_SERVICE);
String number = telephonyManager.getLine1Number();
The documentation for getLine1Number() says this method will return null if the number is "unavailable", but it does not say when the number might be available.
I have also given application permission to make this query by adding the following to your Manifest:
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
The number is always blank or null...
While I have also crosschecked calling and i'm able to call from that number(i.e inserted sim no)
I have gone through numerous documentations but nothing help me out to get the phone number from sim so as to be used in my app..
With Regards,
Arpit Garg
AFAIK, TelephonyManager.getLine1Number() is not reliable due to various constraints from operators.
There are some java reflection based hacks but varies from device to device thus making those hacks sort of useless [at least in terms of supported models]
But there is a legitimate lawful logic to find the number, if you really need so. Query all the SMS by sms provider and get the "To" number.
Extra benefits of this trick: 1. you can get all the line numbers if there is multi sim in the device.
Cons: 1. you will need SMS_READ permission [sorry for that]
2. You will get all the sim numbers ever used in the device. this problem can be minimized with some constraint logic e.g. time frame (sms received or sent only today) etc. It would be interesting to hear from others about how to improve this case.
you should try this
TelephonyManager phoneManager = (TelephonyManager)
getApplicationContext().getSystemService(Context.TELEPHONY_SERVICE);
String phoneNumber = phoneManager.getLine1Number();