ObservableField
public class ObservableField
extends BaseObservable
implements Serializable
java.lang.Object | ||
↳ | android.databinding.BaseObservable | |
↳ | android.databinding.ObservableField<T> |
![]() ObservableParcelable<T extends Parcelable> |
An object wrapper to make it observable.
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 { private Context context; public final ObservableField<String> first = new ObservableField<String>(); public final ObservableField<String> last = new ObservableField<String>(); public final ObservableField<String> display = new ObservableField<String>(first, last) { @Override public String get() { return context.getResources().getString(R.string.name, first.get, last.get()); } }; public final ObservableInt age = new ObservableInt(); }
See also:
Summary
Public constructors | |
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ObservableField(T value) Wraps the given object and creates an observable object | |
ObservableField() Creates an empty observable object | |
ObservableField(Observable... dependencies) Creates an ObservableField that depends on |
Public methods | |
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T | get() |
void | set(T value) Set the stored value. |
Inherited methods | |
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![]() android.databinding.BaseObservable | |
![]() java.lang.Object | |
![]() android.databinding.Observable |
Public constructors
ObservableField
ObservableField (T value)
Wraps the given object and creates an observable object
Parameters | |
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value | T : The value to be wrapped as an observable. |
ObservableField
ObservableField ()
Creates an empty observable object
ObservableField
ObservableField (Observable... dependencies)
Creates an ObservableField that depends on dependencies
. Typically, ObservableFields are passed as dependencies. When any dependency notifies changes, this ObservableField also notifies a change.
Parameters | |
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dependencies | Observable : The Observables that this ObservableField depends on. |
Public methods
get
T get ()
Returns | |
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T | the stored value. |
set
void set (T value)
Set the stored value.
Parameters | |
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value | T : The new value |
Annotations
Interfaces
Classes
- BaseObservable
- CallbackRegistry
- CallbackRegistry.NotifierCallback
- DataBindingUtil
- ListChangeRegistry
- MapChangeRegistry
- MergedDataBinderMapper
- Observable.OnPropertyChangedCallback
- ObservableArrayList
- ObservableArrayMap
- ObservableBoolean
- ObservableByte
- ObservableChar
- ObservableDouble
- ObservableField
- ObservableFloat
- ObservableInt
- ObservableList.OnListChangedCallback
- ObservableLong
- ObservableMap.OnMapChangedCallback
- ObservableParcelable
- ObservableShort
- OnRebindCallback
- PropertyChangeRegistry
- ViewDataBinding
- ViewStubProxy