android.widget
public abstract class
public abstract class
android.widget.BaseAdapter
| java.lang.Object | ||
| android.widget.BaseAdapter | Adapter GalleryAdapter ListAdapter | |
Known Direct Subclasses
Known Indirect Subclasses
Summary
Constants inherited
from interface
android.widget.Adapter
Public Constructors
| BaseAdapter() |
Public Methods
| boolean | areAllItemsSelectable() | ||||
| Are all items in this ListAdapter selectable? | |||||
| float | getAlpha(boolean focused, int offset) | ||||
Return the translucency of the specified item in the gallery. |
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| View | getDropDownView(int position, View convertView, ViewGroup parent) | ||||
Get a View that displays in the drop down popup the data at the specified position in the data set. |
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| View | getMeasurementView(ViewGroup parent) | ||||
Return a View to be used by a Spinner to measure its width and height with the UNSPECIFIED or AT_MOST measure specification. |
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| int | getNewSelectionForKey(int currentSelection, int keyCode, KeyEvent event) | ||||
| Given a keyboard key, let the adapter suggest the position in the data set to be made the new selected item. | |||||
| float | getScale(boolean focused, int offset) | ||||
Return the scale factor of the specified item in the gallery. |
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| boolean | isSelectable(int position) | ||||
| Returns true if the specified position is a separator (a non-selectable item). | |||||
| void | notifyDataSetChanged() | ||||
| void | notifyDataSetInvalidated() | ||||
| void | registerDataSetObserver(DataSetObserver observer) | ||||
| Register an observer that is called when changes happen to the data used by this adapter. | |||||
| boolean | stableIds() | ||||
| Indicated whether the item ids are stable across changes to the underlying data. | |||||
| void | unregisterDataSetObserver(DataSetObserver observer) | ||||
| Unregister an observer that has previously been registered with this adapter via registerDataSetObserver(DataSetObserver). | |||||
Methods inherited
from class
java.lang.Object
Methods inherited
from interface
android.widget.GalleryAdapter
Methods inherited
from interface
android.widget.ListAdapter
Methods inherited
from interface
android.widget.SpinnerAdapter
Methods inherited
from interface
android.widget.Adapter
Details
Public Constructors
public BaseAdapter()
Public Methods
public boolean areAllItemsSelectable()
Are all items in this ListAdapter selectable?
public float getAlpha(boolean focused, int offset)
Return the translucency of the specified item in the gallery.
public View getDropDownView(int position, View convertView, ViewGroup parent)
Get a View that displays in the drop down popup the data at the specified position in the data set.
public View getMeasurementView(ViewGroup parent)
Return a View to be used by a Spinner to measure its width and height with the UNSPECIFIED or AT_MOST measure specification. This method can be overriden to change the default width and height of the spinner.
public int getNewSelectionForKey(int currentSelection, int keyCode, KeyEvent event)
Given a keyboard key, let the adapter suggest the position in the data
set to be made the new selected item. Return NO_SELECTION to indicate no
appropriate key (for example, the user pressed the back button, or a
subclass does not support this feature).
public float getScale(boolean focused, int offset)
Return the scale factor of the specified item in the gallery.
public boolean isSelectable(int position)
Returns true if the specified position is a separator (a
non-selectable item).
public void notifyDataSetChanged()
public void notifyDataSetInvalidated()
public void registerDataSetObserver(DataSetObserver observer)
Register an observer that is called when changes happen to the data used by this adapter.
public boolean stableIds()
Indicated whether the item ids are stable across changes to the
underlying data.
public void unregisterDataSetObserver(DataSetObserver observer)
Unregister an observer that has previously been registered with this
adapter via registerDataSetObserver(DataSetObserver).