I found very easy solution to read contacts. (boring to write code for reading each value so it's good to use wrapper class for contacts)
Of course <uses-permission android:name="android.permission.READ_CONTACTS"/>
ContactList.java
package com.test;
import java.util.ArrayList;
public class ContactList {
private ArrayList<Contact> contacts = new ArrayList<Contact>();
public ArrayList<Contact> getContacts() {
    return contacts;
}
public void setContacts(ArrayList<Contact> contacts) {
    this.contacts = contacts;
}
public void addContact(Contact contact) {
     this.contacts.add(contact);
 }
 public ContactList() {
 }
}
Contact.java
package com.test;
import java.util.ArrayList;
public class Contact {
private String id;
 private String displayName;
 private ArrayList<Phone> phone;
 private ArrayList<Email> email;
 private ArrayList<String> notes;
 private ArrayList<Address> addresses = new ArrayList<Address>();
 private ArrayList<IM> imAddresses;
 private Organization organization;
public String getId() {
    return id;
}
public void setId(String id) {
    this.id = id;
}
public String getDisplayName() {
    return displayName;
}
public void setDisplayName(String displayName) {
    this.displayName = displayName;
}
public ArrayList<Phone> getPhone() {
    return phone;
}
public void setPhone(ArrayList<Phone> phone) {
    this.phone = phone;
}
public void addPhone(Phone phone) {
     this.phone.add(phone);
 }
public ArrayList<Email> getEmail() {
    return email;
}
public void setEmail(ArrayList<Email> email) {
    this.email = email;
}
public void addEmail(Email email) {
     this.email.add(email);
 }
public ArrayList<String> getNotes() {
    return notes;
}
public void setNotes(ArrayList<String> notes) {
    this.notes = notes;
}
public void AddNotes(String notes){
    this.notes.add(notes);
}
public ArrayList<Address> getAddresses() {
    return addresses;
}
public void setAddresses(ArrayList<Address> addresses) {
    this.addresses = addresses;
}
public void addAddress(Address address) {
     this.addresses.add(address);
 }
public ArrayList<IM> getImAddresses() {
    return imAddresses;
}
public void setImAddresses(ArrayList<IM> imAddresses) {
    this.imAddresses = imAddresses;
}
public void addImAddresses(IM imAddr) {
     this.imAddresses.add(imAddr);
 }
public Organization getOrganization() {
    return organization;
}
public void setOrganization(Organization organization) {
    this.organization = organization;
}
}
Address.java
package com.test;
public class Address {
private String poBox;
 private String street;
 private String city;
 private String state;
 private String postalCode;
 private String country;
 private String type;
 private String asString = "";
 public String getType() {
     return type;
 }
 public void setType(String type) {
     this.type = type;
 }
 public String getPoBox() {
     return poBox;
 }
 public void setPoBox(String poBox) {
     this.poBox = poBox;
 }
 public String getStreet() {
     return street;
 }
 public void setStreet(String street) {
     this.street = street;
 }
 public String getCity() {
     return city;
 }
 public void setCity(String city) {
     this.city = city;
 }
 public String getState() {
     return state;
 }
 public void setState(String state) {
     this.state = state;
 }
 public String getPostalCode() {
     return postalCode;
 }
 public void setPostalCode(String postalCode) {
     this.postalCode = postalCode;
 }
 public String getCountry() {
     return country;
 }
 public void setCountry(String country) {
     this.country = country;
 }
 public String toString() {
     if (this.asString.length() > 0) {
         return(this.asString);
     } else {
         String addr = "";
         if (this.getPoBox() != null) {
             addr = addr + this.getPoBox() + "n";
         }
         if (this.getStreet() != null) {
             addr = addr + this.getStreet() + "n";
         }
         if (this.getCity() != null) {
             addr = addr + this.getCity() + ", ";
         }
         if (this.getState() != null) {
             addr = addr + this.getState() + " ";
         }
         if (this.getPostalCode() != null) {
             addr = addr + this.getPostalCode() + " ";
         }
         if (this.getCountry() != null) {
             addr = addr + this.getCountry();
         }
         return(addr);
     }
 }
 public Address(String asString, String type) {
     this.asString = asString;
     this.type = type;
 }
 public Address(String poBox, String street, String city, String state, 
         String postal, String country, String type) {
     this.setPoBox(poBox);
      this.setStreet(street);
     this.setCity(city);
     this.setState(state);
     this.setPostalCode(postal);
     this.setCountry(country);
     this.setType(type);
 }
}
Email.java
package com.test;
public class Email {
private String address;
 private String type;
 public String getAddress() {
     return address;
 }
 public void setAddress(String address) {
     this.address = address;
 }
 public String getType() {
     return type;
 }
 public void setType(String t) {
     this.type = t;
 }
 public Email(String a, String t) {
     this.address = a;
     this.type = t;
 }
}
Im.java
package com.test;
public class IM {
private String name;
 private String type;
 public String getName() {
     return name;
 }
 public void setName(String name) {
     this.name = name;
 }
 public String getType() {
     return type;
 }
 public void setType(String type) {
     this.type = type;
 }
 public IM(String name, String type) {
     this.name = name;
     this.type = type;
 }
}
Organization.java
package com.test;
public class Organization {
private String organization = "";
 private String title = "";
 public String getOrganization() {
     return organization;
 }
 public void setOrganization(String organization) {
     this.organization = organization;
 }
 public String getTitle() {
     return title;
 }
 public void setTitle(String title) {
     this.title = title;
 }
 public Organization() {
 }
 public Organization(String org, String title) {
     this.organization = org;
     this.title = title;
 }
}
Phone.java
package com.test;
public class Phone {
private String number;
 private String type;
 public String getNumber() {
     return number;
 }
 public void setNumber(String number) {
     this.number = number;
 }
 public String getType() {
     return type;
 }
 public void setType(String type) {
     this.type = type;
 }
 public Phone(String n, String t) {
     this.number = n;
     this.type = t;
 }
}
ContactAPI.java
package com.test;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.os.Build;
public abstract class ContactAPI {
private static ContactAPI api;
 public static ContactAPI getAPI() {
     if (api == null) {
         String apiClass;
         if (Integer.parseInt(Build.VERSION.SDK) >= Build.VERSION_CODES.ECLAIR) {
             apiClass = "com.*********.ContactAPISdk5";
         } else {
             apiClass = "com.*********.ContactAPISdk3";
         }
         try {
             Class<? extends ContactAPI> realClass = Class.forName(apiClass).
                 asSubclass(ContactAPI.class);
             api = realClass.newInstance();
         } catch (Exception e) {
             throw new IllegalStateException(e);
         }
     }
     return api;
 }
 public abstract Intent getContactIntent();
 public abstract ContactList newContactList();
 public abstract Cursor getCur();
 public abstract void setCur(Cursor cur);
 public abstract ContentResolver getCr();
 public abstract void setCr(ContentResolver cr);
}
ContactAPISdk5.java
package com.test;
import java.util.ArrayList;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.provider.ContactsContract;
public class ContactAPISdk5 extends ContactAPI {
 private Cursor cur;
 private ContentResolver cr;
 public Cursor getCur() {
     return cur;
 }
 public void setCur(Cursor cur) {
     this.cur = cur;
 }
 public ContentResolver getCr() {
     return cr;
 }
 public void setCr(ContentResolver cr) {
     this.cr = cr;
 }
 public Intent getContactIntent() {
     return(new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI));
 }
 public ContactList newContactList() {
     ContactList contacts = new ContactList();
     String id;
     this.cur = this.cr.query(ContactsContract.Contacts.CONTENT_URI,
             null, null, null, null);
     if (this.cur.getCount() > 0) {
         while (cur.moveToNext()) {
             Contact c = new Contact();
             id = cur.getString(cur.getColumnIndex(ContactsContract.Contacts._ID));
             c.setId(id);
             c.setDisplayName(cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME)));
             if (Integer.parseInt(cur.getString(cur.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
                 c.setPhone(this.getPhoneNumbers(id));
             }
             c.setEmail(this.getEmailAddresses(id));
             c.setNotes(this.getContactNotes(id));
             c.setAddresses(this.getContactAddresses(id));
             c.setImAddresses(this.getIM(id));
             c.setOrganization(this.getContactOrg(id));
             contacts.addContact(c);
         }
     }
     return(contacts);
 }
 public ArrayList<Phone> getPhoneNumbers(String id) {
     ArrayList<Phone> phones = new ArrayList<Phone>();
     Cursor pCur = this.cr.query(
             ContactsContract.CommonDataKinds.Phone.CONTENT_URI, 
             null, 
             ContactsContract.CommonDataKinds.Phone.CONTACT_ID +" = ?", 
             new String[]{id}, null);
     while (pCur.moveToNext()) {
         phones.add(new Phone(
                 pCur.getString(pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER))
                 , pCur.getString(pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.TYPE))
         ));
     } 
     pCur.close();
     return(phones);
 }
 public ArrayList<Email> getEmailAddresses(String id) {
     ArrayList<Email> emails = new ArrayList<Email>();
     Cursor emailCur = this.cr.query( 
             ContactsContract.CommonDataKinds.Email.CONTENT_URI, 
             null,
             ContactsContract.CommonDataKinds.Email.CONTACT_ID + " = ?", 
             new String[]{id}, null); 
     while (emailCur.moveToNext()) { 
         // This would allow you get several email addresses
         Email e = new Email(emailCur.getString(emailCur.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA))
                 ,emailCur.getString(emailCur.getColumnIndex(ContactsContract.CommonDataKinds.Email.TYPE))  
                 );
         emails.add(e);
     } 
     emailCur.close();
     return(emails);
 }
 public ArrayList<String> getContactNotes(String id) {
     ArrayList<String> notes = new ArrayList<String>();
     String where = ContactsContract.Data.CONTACT_ID + " = ? AND " + ContactsContract.Data.MIMETYPE + " = ?"; 
     String[] whereParameters = new String[]{id, 
         ContactsContract.CommonDataKinds.Note.CONTENT_ITEM_TYPE}; 
     Cursor noteCur = this.cr.query(ContactsContract.Data.CONTENT_URI, null, where, whereParameters, null); 
     if (noteCur.moveToFirst()) { 
         String note = noteCur.getString(noteCur.getColumnIndex(ContactsContract.CommonDataKinds.Note.NOTE));
         if (note.length() > 0) {
             notes.add(note);
         }
     } 
     noteCur.close();
     return(notes);
 }
 public ArrayList<Address> getContactAddresses(String id) {
     ArrayList<Address> addrList = new ArrayList<Address>();
     String where = ContactsContract.Data.CONTACT_ID + " = ? AND " + ContactsContract.Data.MIMETYPE + " = ?"; 
     String[] whereParameters = new String[]{id, 
             ContactsContract.CommonDataKinds.StructuredPostal.CONTENT_ITEM_TYPE}; 
     Cursor addrCur = this.cr.query(ContactsContract.Data.CONTENT_URI, null, where, whereParameters, null); 
     while(addrCur.moveToNext()) {
         String poBox = addrCur.getString(addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.POBOX));
         String street = addrCur.getString(addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.STREET));
         String city = addrCur.getString(addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.CITY));
         String state = addrCur.getString(addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.REGION));
         String postalCode = addrCur.getString(addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.POSTCODE));
         String country = addrCur.getString(addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.COUNTRY));
         String type = addrCur.getString(addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.TYPE));
         Address a = new Address(poBox, street, city, state, postalCode, country, type);
         addrList.add(a);
     } 
     addrCur.close();
     return(addrList);
 }
 public ArrayList<IM> getIM(String id) {
     ArrayList<IM> imList = new ArrayList<IM>();
     String where = ContactsContract.Data.CONTACT_ID + " = ? AND " + ContactsContract.Data.MIMETYPE + " = ?"; 
     String[] whereParameters = new String[]{id, 
             ContactsContract.CommonDataKinds.Im.CONTENT_ITEM_TYPE}; 
     Cursor imCur = this.cr.query(ContactsContract.Data.CONTENT_URI, null, where, whereParameters, null); 
     if (imCur.moveToFirst()) { 
         String imName = imCur.getString(imCur.getColumnIndex(ContactsContract.CommonDataKinds.Im.DATA));
         String imType;
         imType = imCur.getString(imCur.getColumnIndex(ContactsContract.CommonDataKinds.Im.TYPE));
         if (imName.length() > 0) {
             IM im = new IM(imName, imType);
             imList.add(im);
         }
     } 
     imCur.close();
     return(imList);
 }
 public Organization getContactOrg(String id) {
     Organization org = new Organization();
     String where = ContactsContract.Data.CONTACT_ID + " = ? AND " + ContactsContract.Data.MIMETYPE + " = ?"; 
     String[] whereParameters = new String[]{id, 
             ContactsContract.CommonDataKinds.Organization.CONTENT_ITEM_TYPE}; 
     Cursor orgCur = this.cr.query(ContactsContract.Data.CONTENT_URI, null, where, whereParameters, null);
     if (orgCur.moveToFirst()) { 
         String orgName = orgCur.getString(orgCur.getColumnIndex(ContactsContract.CommonDataKinds.Organization.DATA));
         String title = orgCur.getString(orgCur.getColumnIndex(ContactsContract.CommonDataKinds.Organization.TITLE));
         if (orgName.length() > 0) {
             org.setOrganization(orgName);
             org.setTitle(title);
         }
     } 
     orgCur.close();
     return(org);
 }
 }
ContactAPISdk3.java
package com.test;
import java.util.ArrayList;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.provider.Contacts;
import android.provider.Contacts.People;
public class ContactAPISdk3 extends ContactAPI {
 private Cursor cur;
 private ContentResolver cr;
 public Cursor getCur() {
     return cur;
 }
 public void setCur(Cursor cur) {
     this.cur = cur;
 }
 public ContentResolver getCr() {
     return cr;
 }
 public void setCr(ContentResolver cr) {
     this.cr = cr;
 }
 public Intent getContactIntent() {
     return(new Intent(Intent.ACTION_PICK, People.CONTENT_URI));
 }
 public ContactList newContactList() {
     ContactList contacts = new ContactList();
     String id="";
     this.cur = this.cr.query(People.CONTENT_URI, 
             null, null, null, null);
     if (this.cur.getCount() > 0) {
         while (cur.moveToNext()) {
             Contact c = new Contact();
             id = cur.getString(cur.getColumnIndex(People._ID));
             c.setId(id);
             c.setDisplayName(cur.getString(cur.getColumnIndex(People.DISPLAY_NAME)));
             if (Integer.parseInt(cur.getString(cur.getColumnIndex(People.PRIMARY_PHONE_ID))) > 0) {
                 c.setPhone(this.getPhoneNumbers(id));
             }
             c.setEmail(this.getEmailAddresses(id));
             ArrayList<String> notes = new ArrayList<String>();
             notes.add(cur.getString(cur.getColumnIndex(People.NOTES)));
             c.setNotes(notes);
             c.setAddresses(this.getContactAddresses(id));
             c.setImAddresses(this.getIM(id));
             c.setOrganization(this.getContactOrg(id));
             contacts.addContact(c);
         }
     }
     return(contacts);
 }
 public ArrayList<Phone> getPhoneNumbers(String id) {
     ArrayList<Phone> phones = new ArrayList<Phone>();
     Cursor pCur = this.cr.query(
             Contacts.Phones.CONTENT_URI, 
             null, 
             Contacts.Phones.PERSON_ID +" = ?", 
             new String[]{id}, null);
     while (pCur.moveToNext()) {
         phones.add(new Phone(
                 pCur.getString(pCur.getColumnIndex(Contacts.Phones.NUMBER))
                 , pCur.getString(pCur.getColumnIndex(Contacts.Phones.TYPE))
         ));
     } 
     pCur.close();
     return(phones);
 }
 public ArrayList<Email> getEmailAddresses(String id) {
     ArrayList<Email> emails = new ArrayList<Email>();
     Cursor emailCur = this.cr.query( 
             Contacts.ContactMethods.CONTENT_EMAIL_URI, 
             null,
             Contacts.ContactMethods.PERSON_ID + " = ?", 
             new String[]{id}, null); 
     while (emailCur.moveToNext()) { 
         // This would allow you get several email addresses
         Email e = new Email(emailCur.getString(emailCur.getColumnIndex(Contacts.ContactMethods.DATA))
                 ,emailCur.getString(emailCur.getColumnIndex(Contacts.ContactMethods.CONTENT_EMAIL_TYPE))  
                 );
         emails.add(e);
     } 
     emailCur.close();
     return(emails);
 }
 public ArrayList<Address> getContactAddresses(String id) {
     ArrayList<Address> addrList = new ArrayList<Address>();
     String where = Contacts.ContactMethods.PERSON_ID + " = ? AND " + Contacts.ContactMethods.KIND + " = ?"; 
     String[] whereParameters = new String[]{id, 
             Contacts.ContactMethods.CONTENT_POSTAL_ITEM_TYPE}; 
     Cursor addrCur = this.cr.query(Contacts.ContactMethods.CONTENT_URI, null, where, whereParameters, null); 
     while(addrCur.moveToNext()) {
         String addr = addrCur.getString(addrCur.getColumnIndex(Contacts.ContactMethodsColumns.DATA));
         String type = addrCur.getString(addrCur.getColumnIndex(Contacts.ContactMethodsColumns.TYPE));
         Address a = new Address(addr, type);
         addrList.add(a);
     } 
     addrCur.close();
     return(addrList);
 }
 public ArrayList<IM> getIM(String id) {
     ArrayList<IM> imList = new ArrayList<IM>();
     String where = Contacts.ContactMethods.PERSON_ID + " = ? AND " + Contacts.ContactMethods.KIND + " = ?"; 
     String[] whereParameters = new String[]{id, 
             Contacts.ContactMethods.CONTENT_IM_ITEM_TYPE}; 
     Cursor imCur = this.cr.query(Contacts.ContactMethods.CONTENT_URI, null, where, whereParameters, null); 
     if (imCur.moveToFirst()) { 
         String imName = imCur.getString(imCur.getColumnIndex(Contacts.ContactMethodsColumns.DATA));
         String imType = imCur.getString(imCur.getColumnIndex(Contacts.ContactMethodsColumns.TYPE));
         if (imName.length() > 0) {
             IM im = new IM(imName, imType);
             imList.add(im);
         }
     } 
     imCur.close();
     return(imList);
 }
 public Organization getContactOrg(String id) {
     Organization org = new Organization();
     String where = Contacts.ContactMethods.PERSON_ID + " = ?"; 
     String[] whereParameters = new String[]{id}; 
     Cursor orgCur = this.cr.query(Contacts.Organizations.CONTENT_URI, null, where, whereParameters, null);
     if (orgCur.moveToFirst()) { 
         String orgName = orgCur.getString(orgCur.getColumnIndex(Contacts.Organizations.COMPANY));
         String title = orgCur.getString(orgCur.getColumnIndex(Contacts.Organizations.TITLE));
         if (orgName.length() > 0) {
             org.setOrganization(orgName);
             org.setTitle(title);
         }
     } 
     orgCur.close();
     return(org);
 }
 }
Note : Don't forget to change package name instead *******. 
Source (link can be die any time :))