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java.lang.Objectkankan.wheel.widget.adapters.AbstractWheelAdapter
public abstract class AbstractWheelAdapter
Abstract Wheel adapter.
Field Summary | |
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private java.util.List<DataSetObserver> |
datasetObservers
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Constructor Summary | |
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AbstractWheelAdapter()
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Method Summary | |
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View |
getEmptyItem(View convertView,
ViewGroup parent)
Get a View that displays an empty wheel item placed before the first or after the last wheel item. |
protected void |
notifyDataChangedEvent()
Notifies observers about data changing |
protected void |
notifyDataInvalidatedEvent()
Notifies observers about invalidating data |
void |
registerDataSetObserver(DataSetObserver observer)
Register an observer that is called when changes happen to the data used by this adapter. |
void |
unregisterDataSetObserver(DataSetObserver observer)
Unregister an observer that has previously been registered |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface kankan.wheel.widget.adapters.WheelViewAdapter |
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getItem, getItemsCount |
Field Detail |
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private java.util.List<DataSetObserver> datasetObservers
Constructor Detail |
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public AbstractWheelAdapter()
Method Detail |
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public View getEmptyItem(View convertView, ViewGroup parent)
WheelViewAdapter
getEmptyItem
in interface WheelViewAdapter
convertView
- the old view to reuse if possibleparent
- the parent that this view will eventually be attached to
public void registerDataSetObserver(DataSetObserver observer)
WheelViewAdapter
registerDataSetObserver
in interface WheelViewAdapter
observer
- the observer to be registeredpublic void unregisterDataSetObserver(DataSetObserver observer)
WheelViewAdapter
unregisterDataSetObserver
in interface WheelViewAdapter
observer
- the observer to be unregisteredprotected void notifyDataChangedEvent()
protected void notifyDataInvalidatedEvent()
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