12 Feb 2013

Get Contact details from contact List and List filter in android.


Main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@android:color/white" >

    <RelativeLayout
        android:id="@+id/relativeLayout1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:background="@android:color/darker_gray" >

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true"
            android:layout_centerVertical="true"
            android:text="ContactList"
            android:textAppearance="?android:attr/textAppearanceLarge" />

        <Button
            android:id="@+id/cnt_btn_Refresh"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:layout_marginRight="10dp"
            android:text="Refresh" />
    </RelativeLayout>

    <!-- Center Part -->

    <LinearLayout
        android:id="@+id/center"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_below="@+id/relativeLayout1"
        android:orientation="vertical" >

        <EditText
            android:id="@+id/cnt_edt_search"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="5dp"
            android:layout_marginTop="5dp"
            android:background="@drawable/bg_search"
            android:drawableLeft="@drawable/search_icon"
            android:drawablePadding="10dp"
            android:gravity="center_vertical"
            android:hint="Search"
            android:paddingLeft="10dp"
            android:paddingRight="10dp"
            android:singleLine="true"
            android:textSize="15sp" >
        </EditText>

        <TextView
            android:layout_width="fill_parent"
            android:layout_height="1dp"
            android:background="@android:color/darker_gray" />

        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:orientation="vertical" >

            <ListView
                android:id="@+id/allcontacts_list"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:cacheColorHint="#00000000"
                android:divider="@null"
                android:smoothScrollbar="true"
                android:textFilterEnabled="true" >
            </ListView>
        </LinearLayout>
    </LinearLayout>

</RelativeLayout>

lyt_contectlist.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@android:color/white"
    android:orientation="vertical" >

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/list"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:paddingLeft="10dp"
        android:paddingRight="10dp"
        android:weightSum="1" >

        <TextView
            android:id="@+id/txtDisplayName"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="Contact_name"
            android:textColor="@android:color/black"
            android:textSize="17sp"
            android:textStyle="bold" >
        </TextView>

        <Button
            android:id="@+id/btn_arrow"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/arrow" >
        </Button>
    </LinearLayout>

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="1dp"
        android:background="@android:color/darker_gray" />

</LinearLayout>

Class Contact:

public class Contact
{
      public String Contact_Id;
      public String Contact_DisplayName;
      public String Contact_MobNumber;
      public String Contact_email
     
}

MainActivity:

import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Filter;
import android.widget.Filterable;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity
{
      private ProgressDialog dialog;     
      private EditText Edt_Search;
      private ListView listview;
      private ArrayList<Contact>arrlist_contact;
      private ContactAdapter itemAdaptor;
      int textlength=0;
      String cnt_name= "";
      String phoneNumber= "";
      String emailAddress ="";
      String name="";
      String mobile="";
      String email="";
      Button btn_Refresh;


      @Override
      protected void onCreate(Bundle savedInstanceState)
      {
            // TODO Auto-generated method stub
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);

            this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);

            Initialize_Controls();

            new GetAllcontacts().execute();
            Search_Contects();     

            btn_Refresh.setOnClickListener(new OnClickListener()
            {

                  @Override
                  public void onClick(View arg0)
                  {
                        arrlist_contact=new ArrayList<Contact>();
                        new GetAllcontacts().execute();                

                  }
            });

      }

      private void Initialize_Controls()
      {
            Edt_Search=(EditText) findViewById(R.id.cnt_edt_search);
            listview=(ListView) findViewById(R.id.allcontacts_list);   
            btn_Refresh=(Button) findViewById(R.id.cnt_btn_Refresh);

      }          

      public class GetAllcontacts extends AsyncTask<Void, Void, Void>
      {
            @Override
            protected void onPreExecute()
            {

                  dialog = new ProgressDialog(MainActivity.this);      
                  dialog.setMessage("Loading Contacts...");
                  dialog.setCancelable(false);
                  dialog.show();

                  super.onPreExecute();

            }

            @Override
            protected Void doInBackground(Void... params)
            {
                  readContacts();        
                  return null;
            }
            @Override
            protected void onPostExecute(Void result)
            {
                  super.onPostExecute(result);
                  if(dialog.isShowing()&& dialog!=null)
                  {
                        dialog.dismiss();
                  }

                  if(arrlist_contact.size()>0)
                  {                
                        itemAdaptor = new ContactAdapter(arrlist_contact,MainActivity.this);                 
                        listview.setAdapter(itemAdaptor);                    
                  }    

            }


      }
      public void readContacts()
      {          
            Cursor cur =null;
            try
            {
                  arrlist_contact=new ArrayList<Contact>();
                  ContentResolver cr = getContentResolver();
                  cur= cr.query(ContactsContract.Contacts.CONTENT_URI,null, null, null,Phone.DISPLAY_NAME + " ASC");
                  Log.i("Total Contacts==",""+cur.getCount());
                  if (cur.getCount() > 0)
                  {
                        btn_Refresh.setVisibility(View.VISIBLE);
                        while (cur.moveToNext())
                        {
                              Contact c =new Contact();
                              String id = cur.getString(cur.getColumnIndex(ContactsContract.Contacts._ID));
                              cnt_name = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME ));

                              if (Integer.parseInt(cur.getString(cur.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0)
                              {                            
                                    // get the phone number
                                    Cursor pCur = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,null,ContactsContract.CommonDataKinds.Phone.CONTACT_ID +" = ?",new String[]{id}, null);
                                    while (pCur.moveToNext())
                                    {
                                          phoneNumber = pCur.getString(pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));                              
                                    }
                                    pCur.close();

                                    // get email and type
                                    Cursor emailCur = cr.query(ContactsContract.CommonDataKinds.Email.CONTENT_URI,null,ContactsContract.CommonDataKinds.Email.CONTACT_ID + " = ?",new String[]{id}, null);
                                    while (emailCur.moveToNext())
                                    {
                                          emailAddress = emailCur.getString(emailCur.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA));                                                                  
                                    }
                                    emailCur.close();                 

                                    c.Contact_Id=id;
                                    c.Contact_DisplayName=cnt_name;
                                    c.Contact_MobNumber=phoneNumber;
                                    c.Contact_email=emailAddress;
                                    arrlist_contact.add(c);
                              }
                        }
                  }
                  else
                  {          
                        btn_Refresh.setVisibility(View.VISIBLE);
                        Toast.makeText(MainActivity.this,"No contact available in Contact list",Toast.LENGTH_LONG).show();

                  }

            }
            catch (Exception e)
            {
                  btn_Refresh.setVisibility(View.VISIBLE);
                  Toast.makeText(MainActivity.this,"No contact available in Contact list",Toast.LENGTH_LONG).show();
                  e.printStackTrace();
            }
            finally
            {
                  cur.close();
            }

      }


 //Search Method:
      private void Search_Contects()
      {
            Edt_Search.addTextChangedListener(new TextWatcher()
            {
                  public void afterTextChanged(Editable s)
                  {
                        // Abstract Method of TextWatcher Interface.
                  }
                  public void beforeTextChanged(CharSequence s,
                              int start, int count, int after)
                  {
                        // Abstract Method of TextWatcher Interface.
                  }
                  public void onTextChanged(CharSequence s,int start, int before, int count)
                  {

                        try
                        {
                              System.out.println("Text ["+s+"] - Start ["+start+"] - Before ["+before+"] - Count ["+count+"]");
                              if(s.length()>0)
                              {
                                    if (count < before)
                                    {
                                          // We're deleting char so we need to reset the adapter data
                                          itemAdaptor.resetData();
                                    }
                                    itemAdaptor.getFilter().filter(s.toString());
                              }
                              else
                              {                                  
                                    itemAdaptor.resetData();                             

                              }
                        }
                        catch (Exception e)
                        {
                              e.printStackTrace();
                        }

                  }
            });
      }

//ContactAdapter And Filter
      public class ContactAdapter extends ArrayAdapter<Contact> implements Filterable
      {

            private List<Contact> CntList;
            Context context;
            private Filter ContactFilter;
            private List<Contact> OrgContactList;

            public ContactAdapter(List<Contact> cntList, Context ctx)
            {
                  super(ctx, R.layout.lyt_contactlist, cntList);
                  this.CntList = cntList;
                  this.context = ctx;
                  this.OrgContactList = cntList;
            }

            public int getCount() {
                  return CntList.size();
            }

            public Contact getItem(int position) {
                  return CntList.get(position);
            }

            public long getItemId(int position)
            {
                  return CntList.get(position).hashCode();
            }

            public View getView(int position, View convertView, ViewGroup parent)
            {          
                  View view = convertView;                 
                  try
                  {
                        Contact c=CntList.get(position);                     
                        String name_set=c.Contact_DisplayName;                     

                        LayoutInflater lyt_Inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);   
                        view = lyt_Inflater.inflate(R.layout.lyt_contactlist, null);

                        TextView txt_name = (TextView) view.findViewById(R.id.txtDisplayName);
                        txt_name.setText(name_set);
                        view.setTag(c);
                        view.setOnClickListener(new OnClickListener()
                        {    
                              @Override
                              public void onClick(View v)
                              {
                                    Contact temp1 =  (Contact) v.getTag();
                                    name= temp1.Contact_DisplayName;
                                    mobile = temp1.Contact_MobNumber;
                                    email = temp1.Contact_email;

                                    Toast.makeText(MainActivity.this,"Name:"+name+" "+"Number:"+mobile+" "+"Email:"+email,Toast.LENGTH_LONG).show();


                              }


                        });
                  }
                  catch (Exception e)
                  {
                        System.out.println(e.toString());
                  }

                  return view;
            }



            public void resetData()
            {
                  CntList = OrgContactList;
            }    




            @Override
            public Filter getFilter()
            {
                  if (ContactFilter == null)
                        ContactFilter = new ContactFilter();

                  return ContactFilter;
            }



            private class ContactFilter extends Filter
            {          
                  @Override
                  protected FilterResults performFiltering(CharSequence constraint)
                  {
                        FilterResults results = new FilterResults();
                        // We implement here the filter logic
                        if (constraint == null || constraint.length() == 0)
                        {
                              // No filter implemented we return all the list
                              results.values = OrgContactList;
                              results.count = OrgContactList.size();
                        }
                        else
                        {
                              // We perform filtering operation
                              ArrayList<Contact> nPlanetList = new ArrayList<Contact>();

                              for (Contact p : CntList)
                              {
                                    if (p.Contact_DisplayName.toUpperCase().startsWith(constraint.toString().toUpperCase()))
                                          nPlanetList.add(p);
                              }

                              results.values = nPlanetList;
                              results.count = nPlanetList.size();

                        }
                        return results;
                  }

                  @SuppressWarnings("unchecked")
                  @Override
                  protected void publishResults(CharSequence constraint,
                              FilterResults results)
                  {

                        // Now we have to inform the adapter about the new list filtered
                        if (results.count == 0)
                              notifyDataSetInvalidated();
                        else
                        {
                              CntList = (ArrayList<Contact>) results.values;
                              notifyDataSetChanged();
                        }

                  }

            }
      }    

}

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