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ObjectAdapter.DataObserver

public static abstract class ObjectAdapter.DataObserver
extends Object

java.lang.Object
↳	android.support.v17.leanback.widget.ObjectAdapter.DataObserver

A DataObserver can be notified when an ObjectAdapter's underlying data changes. Separate methods provide notifications about different types of changes.

Summary

Public constructors
`ObjectAdapter.DataObserver()`

Public methods
`void`	`onChanged()` Called whenever the ObjectAdapter's data has changed in some manner outside of the set of changes covered by the other range-based change notification methods.
`void`	`onItemRangeChanged(int positionStart, int itemCount)` Called when a range of items in the ObjectAdapter has changed.
`void`	`onItemRangeInserted(int positionStart, int itemCount)` Called when a range of items is inserted into the ObjectAdapter.
`void`	`onItemRangeRemoved(int positionStart, int itemCount)` Called when a range of items is removed from the ObjectAdapter.

Inherited methods

From class


  
    java.lang.Object

`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 millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

ObjectAdapter.DataObserver

ObjectAdapter.DataObserver ()

Public methods

onChanged

void onChanged ()

Called whenever the ObjectAdapter's data has changed in some manner outside of the set of changes covered by the other range-based change notification methods.

onItemRangeChanged

void onItemRangeChanged (int positionStart, 
                int itemCount)

Called when a range of items in the ObjectAdapter has changed. The basic ordering and structure of the ObjectAdapter has not changed.

Parameters
`positionStart`	`int`: The position of the first item that changed.
`itemCount`	`int`: The number of items changed.

onItemRangeInserted

void onItemRangeInserted (int positionStart, 
                int itemCount)

Called when a range of items is inserted into the ObjectAdapter.

Parameters
`positionStart`	`int`: The position of the first inserted item.
`itemCount`	`int`: The number of items inserted.

onItemRangeRemoved

void onItemRangeRemoved (int positionStart, 
                int itemCount)

Called when a range of items is removed from the ObjectAdapter.

Parameters
`positionStart`	`int`: The position of the first removed item.
`itemCount`	`int`: The number of items removed.

Interfaces

Classes

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ObjectAdapter.DataObserver

Summary

Public constructors

Public methods

Inherited methods

Public constructors

ObjectAdapter.DataObserver

Public methods

onChanged

onItemRangeChanged

onItemRangeInserted

onItemRangeRemoved