ObservableLong

public class ObservableLong
extends BaseObservable implements Parcelable, Serializable

An observable class that holds a primitive long.

Observable field classes may be used instead of creating an Observable object. It can also create a calculated field, depending on other fields:

public class MyDataObject {
     public final ObservableLong friendCount = new ObservableLong();
     public final ObservableLong familyCount = new ObservableLong();
     public final ObservableLong knownCount = new ObservableLong(friendCount, familyCount) {
         @Override
         public long get() { return friendCount.get() + familyCount.get(); }
     };
 }

This class is parcelable and serializable but callbacks are ignored when the object is parcelled / serialized. Unless you add custom callbacks, this will not be an issue because data binding framework always re-registers callbacks when the view is bound. A parceled ObservableLong will lose its dependencies.

Summary

Inherited constants
From interface android.os.Parcelable int CONTENTS_FILE_DESCRIPTOR int PARCELABLE_WRITE_RETURN_VALUE

Inherited methods
From class android.databinding.BaseObservable void addOnPropertyChangedCallback(Observable.OnPropertyChangedCallback callback) Adds a callback to listen for changes to the Observable. void notifyChange() Notifies listeners that all properties of this instance have changed. void notifyPropertyChanged(int fieldId) Notifies listeners that a specific property has changed. void removeOnPropertyChangedCallback(Observable.OnPropertyChangedCallback callback) Removes a callback from those listening for changes.
From class java.lang.Object Object clone() boolean equals(Object arg0) void finalize() final Class<?> getClass() int hashCode() final void notify() final void notifyAll() String toString() final void wait(long arg0, int arg1) final void wait(long arg0) final void wait()
From interface android.databinding.Observable abstract void addOnPropertyChangedCallback(Observable.OnPropertyChangedCallback callback) Adds a callback to listen for changes to the Observable. abstract void removeOnPropertyChangedCallback(Observable.OnPropertyChangedCallback callback) Removes a callback from those listening for changes.
From interface android.os.Parcelable abstract int describeContents() abstract void writeToParcel(Parcel arg0, int arg1)

Fields

Creator<ObservableLong> CREATOR

Public constructors

ObservableLong (long value)

ObservableLong ()

ObservableLong (Observable... dependencies)

Public methods

int describeContents ()

long get ()

void set (long value)

void writeToParcel (Parcel dest, 
                int flags)