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public static abstract class Observable.OnPropertyChangedCallback
extends Object

java.lang.Object
↳	android.databinding.Observable.OnPropertyChangedCallback

The callback that is called by Observable when an observable property has changed.

Public constructors
`Observable.OnPropertyChangedCallback()`

Public methods
`abstract void`	`onPropertyChanged(Observable sender, int propertyId)` Called by an Observable whenever an observable property changes.

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.

Observable.OnPropertyChangedCallback ()

void onPropertyChanged (Observable sender, 
                int propertyId)

Called by an Observable whenever an observable property changes.

Parameters
`sender`	`Observable`: The Observable that is changing.
`propertyId`	`int`: The BR identifier of the property that has changed. The getter for this property should be annotated with `Bindable`.