android.widget

Class AlphabetIndexer

java.lang.Object

android.database.DataSetObserver

android.widget.AlphabetIndexer

All Implemented Interfaces:

SectionIndexer

public class AlphabetIndexer
extends DataSetObserver
implements SectionIndexer

Field Summary

Fields

Modifier and Type	Field and Description
protected CharSequence	mAlphabet
protected int	mColumnIndex
protected Cursor	mDataCursor

Constructor Summary

Constructors

Constructor and Description
AlphabetIndexer(Cursor cursor, int sortedColumnIndex, CharSequence alphabet)

Method Summary

Methods

Modifier and Type	Method and Description
protected int	compare(String word, String letter)
int	getPositionForSection(int sectionIndex)
int	getSectionForPosition(int position)
Object[]	getSections()
void	onChanged()
void	onInvalidated()
void	setCursor(Cursor cursor)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

mDataCursor

protected Cursor mDataCursor

mColumnIndex

protected int mColumnIndex

mAlphabet

protected CharSequence mAlphabet

Constructor Detail

AlphabetIndexer

public AlphabetIndexer(Cursor cursor,
               int sortedColumnIndex,
               CharSequence alphabet)

Method Detail

getSections

public Object[] getSections()

Specified by:

getSections in interface SectionIndexer

setCursor

public void setCursor(Cursor cursor)

compare

protected int compare(String word,
          String letter)

getPositionForSection

public int getPositionForSection(int sectionIndex)

Specified by:

getPositionForSection in interface SectionIndexer

getSectionForPosition

public int getSectionForPosition(int position)

Specified by:

getSectionForPosition in interface SectionIndexer

onChanged

public void onChanged()

Overrides:

onChanged in class DataSetObserver

onInvalidated

public void onInvalidated()

Overrides:

onInvalidated in class DataSetObserver