Android TelephonyManager Details?

The android.telephony.TelephonyManager (TELEPHONYMANAGER) class provides information about the telephony services such as subscriber id, sim serial number, phone network type etc. Moreover, you can determine the phone state etc.

Let's see the simple example of TelephonyManager that prints information of the telephony services As for new Eclipse up date like up date(Add new library project to Main Application, Mainxml and as well as fragementxml file).

activity_main.xml

1.  <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:tools="http://schemas.android.com/tools"
       android:id="@+id/container"
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       tools:context="com.example.telephonemanager.MainActivity"
       tools:ignore="MergeRootFrame" />

fragment_main.xml

1.   <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:tools="http://schemas.android.com/tools"
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       android:paddingBottom="@dimen/activity_vertical_margin"
       android:paddingLeft="@dimen/activity_horizontal_margin"
       android:paddingRight="@dimen/activity_horizontal_margin"
       android:paddingTop="@dimen/activity_vertical_margin"
       tools:context="com.example.telephonemanager.MainActivity$PlaceholderFragment" >
   
   
       <TextView
           android:id="@+id/textview"
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
           android:text="@string/hello_world" />
   
   
   </RelativeLayout>

MainActivity.java

1.   public class MainActivity extends ActionBarActivity {
   private static TelephonyManager  tm;
   private static String IMEINumber, subscriberID,SIMSerialNumber,networkCountryISO,
   SIMCountryISO,softwareVersion,voiceMailNumber;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_main);
   
   
   //Get the instance of TelephonyManager  
   tm=(TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);  
           
   //Calling the methods of TelephonyManager the returns the information  
   IMEINumber=tm.getDeviceId();  
           subscriberID=tm.getDeviceId();  
           SIMSerialNumber=tm.getSimSerialNumber();  
           networkCountryISO=tm.getNetworkCountryIso();  
           SIMCountryISO=tm.getSimCountryIso();  
           softwareVersion=tm.getDeviceSoftwareVersion();  
           voiceMailNumber=tm.getVoiceMailNumber();  
           
           if (savedInstanceState == null) {
            getSupportFragmentManager().beginTransaction()
            .add(R.id.container, new PlaceholderFragment()).commit();
           }
   }
   
   
   @Override
   public boolean onCreateOptionsMenu(Menu menu) {
   // Inflate the menu; this adds items to the action bar if it is present.
   getMenuInflater().inflate(R.menu.main, menu);
   return true;
   }
   
   
   @Override
   public boolean onOptionsItemSelected(MenuItem item) {
   // Handle action bar item clicks here. The action bar will
   // automatically handle clicks on the Home/Up button, so long
   // as you specify a parent activity in AndroidManifest.xml.
   int id = item.getItemId();
   if (id == R.id.action_settings) {
   return true;
   }
   return super.onOptionsItemSelected(item);
   }
   
   
   /**
    * A placeholder fragment containing a simple view.
    */
   public static class PlaceholderFragment extends Fragment {
   private TextView textView1;
   public PlaceholderFragment() {
   }
   
   
   @Override
   public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
   View rootView = inflater.inflate(R.layout.fragment_main, container, false);
   textView1=(TextView) rootView.findViewById(R.id.textview);  
   //textView1.setText("new data of this");
   //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;  
           //displaying the information in the textView 
           textView1.setText(info); 
           
           return rootView;
   }
   }
   }

 AndroidManifest.xml

You need to give READ_PHONE_STATE permission in the AndroidManifest.xml file.

Output