oak

Class BaseSectionAdapter

java.lang.Object

android.widget.BaseAdapter

oak.BaseSectionAdapter

All Implemented Interfaces:

android.widget.AbsListView.OnScrollListener, android.widget.Adapter, android.widget.ListAdapter, android.widget.SectionIndexer, android.widget.SpinnerAdapter

Direct Known Subclasses:

SectionAdapter

public abstract class BaseSectionAdapter
extends android.widget.BaseAdapter
implements android.widget.SectionIndexer, android.widget.AbsListView.OnScrollListener

Field Summary

Fields

Modifier and Type	Field and Description
static int	PINNED_HEADER_GONE Pinned header state: don't show the header.
static int	PINNED_HEADER_PUSHED_UP Pinned header state: show the header.
static int	PINNED_HEADER_VISIBLE Pinned header state: show the header at the top of the list.
static String	TAG

Fields inherited from interface android.widget.AbsListView.OnScrollListener

SCROLL_STATE_FLING, SCROLL_STATE_IDLE, SCROLL_STATE_TOUCH_SCROLL

Fields inherited from interface android.widget.Adapter

IGNORE_ITEM_VIEW_TYPE, NO_SELECTION

Constructor Summary

Constructors

Constructor and Description
BaseSectionAdapter()

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract void	bindSectionHeader(android.view.View view, int position, boolean displaySectionHeader) Configure the view (a listview item) to display headers or not based on displaySectionHeader (e.g.
abstract void	configurePinnedHeader(android.view.View header, int position, int alpha) Configures the pinned header view to match the first visible list item.
abstract android.view.View	getAmazingView(int position, android.view.View convertView, android.view.ViewGroup parent) read: get view too
int	getPinnedHeaderState(int position) Computes the desired state of the pinned header for the given position of the first visible list item.
abstract int	getPositionForSection(int section)
abstract int	getSectionForPosition(int position)
abstract Object[]	getSections()
android.view.View	getView(int position, android.view.View convertView, android.view.ViewGroup parent)
void	onScroll(android.widget.AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount)
void	onScrollStateChanged(android.widget.AbsListView view, int scrollState)

Methods inherited from class android.widget.BaseAdapter

areAllItemsEnabled, getDropDownView, getItemViewType, getViewTypeCount, hasStableIds, isEmpty, isEnabled, notifyDataSetChanged, notifyDataSetInvalidated, registerDataSetObserver, unregisterDataSetObserver

Methods inherited from class java.lang.Object

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

Methods inherited from interface android.widget.Adapter

getCount, getItem, getItemId

Field Detail

TAG

public static final String TAG

PINNED_HEADER_GONE

public static final int PINNED_HEADER_GONE

Pinned header state: don't show the header.

See Also:

Constant Field Values

PINNED_HEADER_VISIBLE

public static final int PINNED_HEADER_VISIBLE

Pinned header state: show the header at the top of the list.

See Also:

Constant Field Values

PINNED_HEADER_PUSHED_UP

public static final int PINNED_HEADER_PUSHED_UP

Pinned header state: show the header. If the header extends beyond the bottom of the first shown element, push it up and clip.

See Also:

Constant Field Values

Constructor Detail

BaseSectionAdapter

public BaseSectionAdapter()

Method Detail

getPinnedHeaderState

public int getPinnedHeaderState(int position)

Computes the desired state of the pinned header for the given position of the first visible list item. Allowed return values are PINNED_HEADER_GONE, PINNED_HEADER_VISIBLE or PINNED_HEADER_PUSHED_UP.

onScroll

public void onScroll(android.widget.AbsListView view,
            int firstVisibleItem,
            int visibleItemCount,
            int totalItemCount)

Specified by:

onScroll in interface android.widget.AbsListView.OnScrollListener

onScrollStateChanged

public void onScrollStateChanged(android.widget.AbsListView view,
                        int scrollState)

Specified by:

onScrollStateChanged in interface android.widget.AbsListView.OnScrollListener

getView

public final android.view.View getView(int position,
                        android.view.View convertView,
                        android.view.ViewGroup parent)

Specified by:

getView in interface android.widget.Adapter

bindSectionHeader

protected abstract void bindSectionHeader(android.view.View view,
                     int position,
                     boolean displaySectionHeader)

Configure the view (a listview item) to display headers or not based on displaySectionHeader (e.g. if displaySectionHeader header.setVisibility(VISIBLE) else header.setVisibility(GONE)).

getAmazingView

public abstract android.view.View getAmazingView(int position,
                               android.view.View convertView,
                               android.view.ViewGroup parent)

read: get view too

configurePinnedHeader

public abstract void configurePinnedHeader(android.view.View header,
                         int position,
                         int alpha)

Configures the pinned header view to match the first visible list item.

Parameters:

header - pinned header view.

position - position of the first visible list item.

alpha - fading of the header view, between 0 and 255.

getPositionForSection

public abstract int getPositionForSection(int section)

Specified by:

getPositionForSection in interface android.widget.SectionIndexer

getSectionForPosition

public abstract int getSectionForPosition(int position)

Specified by:

getSectionForPosition in interface android.widget.SectionIndexer

getSections

public abstract Object[] getSections()

Specified by:

getSections in interface android.widget.SectionIndexer