try using the class ContactsContract.Data for your purpose.
u can refer
http://developer.android.com/reference/android/provider/ContactsContract.Data.html
from android site.
On Mar 17, 6:40 pm, Maxood <maqs...@salsoft.net> wrote:
> I have the following code through which i am able to retrieve phone
> numbers. Somehow , i am not able to retrieve email addresses by using
> android.provider.Contacts.People API. Any ideas?
>
> import android.app.AlertDialog;
> import android.app.ExpandableListActivity;
> import android.content.ContentUris;
> import android.content.Context;
> import android.database.Cursor;
> import android.net.Uri;
> import android.os.Bundle;
> import android.provider.Contacts.People;
> import android.view.View;
> import android.widget.ExpandableListAdapter;
> import android.widget.SimpleCursorTreeAdapter;
> import android.widget.TextView;
> import android.widget.ExpandableListView.OnChildClickListener;
>
> public class ShowContacts extends ExpandableListActivity implements
> OnChildClickListener {
> private int mGroupIdColumnIndex;
>
> private String mPhoneNumberProjection[] = new String[] {
> People.Phones._ID, People.NUMBER // CHANGE HERE
> };
>
> private ExpandableListAdapter mAdapter;
>
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
>
> // Query for people
> Cursor groupCursor = managedQuery(People.CONTENT_URI,
> new String[] {People._ID, People.NAME}, null, null,
> null);
>
> // Cache the ID column index
> mGroupIdColumnIndex =
> groupCursor.getColumnIndexOrThrow(People._ID);
>
> // Set up our adapter
> mAdapter = new MyExpandableListAdapter(groupCursor,
> this,
> android.R.layout.simple_expandable_list_item_1,
> android.R.layout.simple_expandable_list_item_1,
> new String[] {People.NAME}, // Name for group layouts
> new int[] {android.R.id.text1},
> new String[] {People.NUMBER}, // AND CHANGE HERE
> new int[] {android.R.id.text1});
> setListAdapter(mAdapter);
> }
>
> public class MyExpandableListAdapter extends
> SimpleCursorTreeAdapter {
>
> public MyExpandableListAdapter(Cursor cursor, Context context,
> int groupLayout,
> int childLayout, String[] groupFrom, int[] groupTo,
> String[] childrenFrom,
> int[] childrenTo) {
> super(context, cursor, groupLayout, groupFrom, groupTo,
> childLayout, childrenFrom,
> childrenTo);
> }
>
> @Override
> protected Cursor getChildrenCursor(Cursor groupCursor) {
> // Given the group, we return a cursor for all the
> children within that group
>
> // Return a cursor that points to this contact's phone
> numbers
> Uri.Builder builder = People.CONTENT_URI.buildUpon();
>
> ContentUris.appendId(builder,
> groupCursor.getLong(mGroupIdColumnIndex));
>
> builder.appendEncodedPath(People.Phones.CONTENT_DIRECTORY);
> Uri phoneNumbersUri = builder.build();
>
> return managedQuery(phoneNumbersUri,
> mPhoneNumberProjection, null, null, null);
> }
> }
>
> @Override
> public boolean onChildClick(android.widget.ExpandableListView
> parent,
> View v, int groupPosition, int childPosition, long id)
> {
> AlertDialog dialog = new
> AlertDialog.Builder(ShowContacts.this)
> .setMessage(((TextView) v).getText().toString())
> .setPositiveButton("OK", null).create();
> dialog.show();
> return true;
> }
>
> }
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