The android.telephony.TelephonyManager class provides information about the telephony services such as subscriber id, sim serial number, phone network type etc.You can also determine the phone state etc.

Permission

Before Starting, make sure you add the permission in the Android Manifest.

   <uses-permission android:name="android.permission.READ_PHONE_STATE"/>   

Android Source Code

Below code gets the information from the Android Telephony Manager and displays information about the telephony services

        //Get the instance of TelephonyManager  
        TelephonyManager  tm = (TelephonyManager)
                                getSystemService(Context.TELEPHONY_SERVICE);  
         
        // Get the information from the instance of Telephony Manager.  
        String IMEINumber = tm.getDeviceId();  
        String subscriberID = tm.getDeviceId();  
        String SIMSerialNumber = tm.getSimSerialNumber();  
        String networkCountryISO = tm.getNetworkCountryIso();  
        String SIMCountryISO = tm.getSimCountryIso();  
        String softwareVersion = tm.getDeviceSoftwareVersion();  
        String voiceMailNumber = tm.getVoiceMailNumber();  
          
        //Get the phone type  
        String strphoneType = "";  
          
        int phoneType = tm.getPhoneType();  
  
        switch (phoneType)   
        {  
                case (TelephonyManager.PHONE_TYPE_CDMA):  
                           strphoneType="CDMA";  
                               break;  
                case (TelephonyManager.PHONE_TYPE_GSM):   
                           strphoneType="GSM";                
                               break;  
                case (TelephonyManager.PHONE_TYPE_NONE):  
                            strphoneType="NONE";                
                                break;  
         }  
          
        //getting information if phone is in roaming  
        boolean isRoaming = tm.isNetworkRoaming();  
          
        String info="Phone Details : \n";  
        info+="\n IMEI Number: " + IMEINumber;  
        info+="\n SubscriberID : " + subscriberID;  
        info+="\n Sim Serial Number : " + SIMSerialNumber;  
        info+="\n Network Country ISO : " + networkCountryISO;  
        info+="\n SIM Country ISO : " + SIMCountryISO;  
        info+="\n Software Version : " + softwareVersion;  
        info+="\n Voice Mail Number : " + voiceMailNumber;  
        info+="\n Phone Network Type : " + strphoneType;  
        info+="\n In Roaming? : " + isRoaming;  
		
	Log.i("Telephony Info", "Data = " + info);
		

All Done, its so simple.

Send your queries to coderzheaven@gmail.com

 

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