ObservableDouble
public class ObservableDouble
extends BaseObservable
implements Parcelable, Serializable
java.lang.Object | ||
↳ | android.databinding.BaseObservable | |
↳ | android.databinding.ObservableDouble |
An observable class that holds a primitive double. It can also create a calculated field, depending on other fields:
Observable field classes may be used instead of creating an Observable object:
public class MyDataObject { public final ObservableDouble temperatureC = new ObservableDouble(); public final ObservableDouble temperatureF = new ObservableDouble(temperatureC) { @Override public double get() { return (temperatureC.get() * 9 / 5) + 32; } }; }
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 ObservableByte will lose its dependencies.
Summary
Inherited constants |
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![]() android.os.Parcelable |
Fields | |
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public static final Creator<ObservableDouble> | CREATOR
|
Public constructors | |
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ObservableDouble(double value) Creates an ObservableDouble with the given initial value. | |
ObservableDouble() Creates an ObservableDouble with the initial value of | |
ObservableDouble(Observable... dependencies) Creates an ObservableDouble that depends on |
Public methods | |
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int | describeContents() |
double | get() |
void | set(double value) Set the stored value. |
void | writeToParcel(Parcel dest, int flags) |
Inherited methods | |
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![]() android.databinding.BaseObservable | |
![]() java.lang.Object | |
![]() android.databinding.Observable | |
![]() android.os.Parcelable |
Fields
Public constructors
ObservableDouble
ObservableDouble (double value)
Creates an ObservableDouble with the given initial value.
Parameters | |
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value | double : the initial value for the ObservableDouble |
ObservableDouble
ObservableDouble ()
Creates an ObservableDouble with the initial value of 0
.
ObservableDouble
ObservableDouble (Observable... dependencies)
Creates an ObservableDouble that depends on dependencies
. Typically, ObservableField
s are passed as dependencies. When any dependency notifies changes, this ObservableDouble also notifies a change.
Parameters | |
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dependencies | Observable : The Observables that this ObservableDouble depends on. |
Public methods
describeContents
int describeContents ()
Returns | |
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int |
get
double get ()
Returns | |
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double | the stored value. |
set
void set (double value)
Set the stored value.
Parameters | |
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value | double : 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