Android Tutorial Code: Get Contact details from contact List 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>

<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>

</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();

}

Permission:

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

Download full source code from here : ContactListSearch

RefLink:

http://www.thaicreate.com/mobile/android-contact-list.html
http://techiedreams.com/custom-contacts-picker-with-images-filtering-indexed-scrolling/

I will be happy if you will provide your feedback or follow this blog. Any suggestion and help will be appreciated.

Thank you :)

Android Tutorial Code

12 Feb 2013

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