DataSetObservable


public class DataSetObservable
extends Observable<DataSetObserver>

java.lang.Object
   ↳ android.database.Observable<android.database.DataSetObserver>
     ↳ android.database.DataSetObservable


A specialization of Observable for DataSetObserver that provides methods for sending notifications to a list of DataSetObserver objects.

Summary

Inherited fields

protected final ArrayList<T> mObservers

The list of observers.

Public constructors

DataSetObservable()

Public methods

void notifyChanged()

Invokes DataSetObserver.onChanged on each observer.

void notifyInvalidated()

Invokes DataSetObserver.onInvalidated on each observer.

Inherited methods

void registerObserver(DataSetObserver observer)

Adds an observer to the list.

void unregisterAll()

Remove all registered observers.

void unregisterObserver(DataSetObserver observer)

Removes a previously registered observer.

Object clone()

Creates and returns a copy of this object.

boolean equals(Object obj)

Indicates whether some other object is "equal to" this one.

void finalize()

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.

final Class<?> getClass()

Returns the runtime class of this Object.

int hashCode()

Returns a hash code value for the object.

final void notify()

Wakes up a single thread that is waiting on this object's monitor.

final void notifyAll()

Wakes up all threads that are waiting on this object's monitor.

String toString()

Returns a string representation of the object.

final void wait(long timeoutMillis, int nanos)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void wait(long timeoutMillis)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void wait()

Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

DataSetObservable

public DataSetObservable ()

Public methods

notifyChanged

Added in API level 1
public void notifyChanged ()

Invokes DataSetObserver.onChanged on each observer. Called when the contents of the data set have changed. The recipient will obtain the new contents the next time it queries the data set.

notifyInvalidated

Added in API level 1
public void notifyInvalidated ()

Invokes DataSetObserver.onInvalidated on each observer. Called when the data set is no longer valid and cannot be queried again, such as when the data set has been closed.