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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