 Known Direct Subclasses
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Class Overview
Receives call backs for changes to content. Must be implemented by objects which are added
to a ContentObservable.
Summary
| Public Methods |
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boolean
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deliverSelfNotifications()
Returns true if this observer is interested in notifications for changes
made through the cursor the observer is registered with.
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final
void
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dispatchChange(boolean selfChange)
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void
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onChange(boolean selfChange)
This method is called when a change occurs to the cursor that
is being observed.
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[Expand]
Inherited Methods |
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From class java.lang.Object
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Object
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clone()
Returns a new instance of the same class as the receiver, whose slots
have been filled in with the values in the slots of the receiver.
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boolean
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equals(Object o)
Compares the argument to the receiver, and returns true if they represent
the same object using a class specific comparison.
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void
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finalize()
Called by the virtual machine when there are no longer any (non-weak)
references to the receiver.
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final
Class<? extends Object>
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getClass()
Returns the unique instance of java.lang.Class which represents the class
of the receiver.
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int
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hashCode()
Returns an integer hash code for the receiver.
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final
void
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notify()
Causes one thread which is wait ing on the receiver to be
made ready to run.
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final
void
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notifyAll()
Causes all threads which are wait ing on the receiver to
be made ready to run.
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String
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toString()
Returns a string containing a concise, human-readable description of the
receiver.
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final
void
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wait(long time, int frac)
Causes the thread which sent this message to be made not ready to run
either pending some change in the receiver (as indicated by
notify or notifyAll) or the expiration of
the timeout.
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final
void
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wait(long time)
Causes the thread which sent this message to be made not ready to run
either pending some change in the receiver (as indicated by
notify or notifyAll) or the expiration of
the timeout.
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final
void
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wait()
Causes the thread which sent this message to be made not ready to run
pending some change in the receiver (as indicated by notify
or notifyAll).
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Public Constructors
public
ContentObserver
(Handler handler)
onChange() will happen on the provider Handler.
Public Methods
public
boolean
deliverSelfNotifications
()
Returns true if this observer is interested in notifications for changes
made through the cursor the observer is registered with.
public
final
void
dispatchChange
(boolean selfChange)
public
void
onChange
(boolean selfChange)
This method is called when a change occurs to the cursor that
is being observed.
Parameters
| selfChange
| true if the update was caused by a call to commit on the
cursor that is being observed.
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