ObservableFloat
  public
  
  
  
  class
  ObservableFloat
  
  
  
  
    extends BaseObservable
  
  
  
  
  
      implements
      
        Parcelable, 
      
        Serializable
      
  
  
| java.lang.Object | ||
| ↳ | android.databinding.BaseObservable | |
| ↳ | android.databinding.ObservableFloat | |
An observable class that holds a primitive float.
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 ObservableFloat temperatureC = new ObservableFloat();
     public final ObservableFloat temperatureF = new ObservableFloat(temperatureC) {
         @Override
         public float 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 ObservableField will lose its dependencies.
Summary
| Inherited constants | 
|---|
|  From
  interface 
    android.os.Parcelable
   | 
| Fields | |
|---|---|
| 
    public
    static
    final
    Creator<ObservableFloat> | CREATOR
 | 
| Public constructors | |
|---|---|
| 
      ObservableFloat(float value)
      Creates an ObservableFloat with the given initial value. | |
| 
      ObservableFloat()
      Creates an ObservableFloat with the initial value of  | |
| 
      ObservableFloat(Observable... dependencies)
      Creates an ObservableFloat that depends on  | |
| Public methods | |
|---|---|
| 
        
        
        
        
        
        int | 
      describeContents()
       | 
| 
        
        
        
        
        
        float | 
      get()
       | 
| 
        
        
        
        
        
        void | 
      set(float value)
      Set the stored value. | 
| 
        
        
        
        
        
        void | 
      writeToParcel(Parcel dest, int flags)
       | 
| Inherited methods | |
|---|---|
|  From
class 
  
    android.databinding.BaseObservable
  
 | |
|  From
class 
  
    java.lang.Object
  
 | |
|  From
interface 
  
    android.databinding.Observable
  
 | |
|  From
interface 
  
    android.os.Parcelable
  
 | |
Fields
Public constructors
ObservableFloat
ObservableFloat (float value)
Creates an ObservableFloat with the given initial value.
| Parameters | |
|---|---|
| value | float: the initial value for the ObservableFloat | 
ObservableFloat
ObservableFloat ()
Creates an ObservableFloat with the initial value of 0f.
ObservableFloat
ObservableFloat (Observable... dependencies)
Creates an ObservableFloat that depends on dependencies. Typically,
 ObservableFields are passed as dependencies. When any dependency
 notifies changes, this ObservableFloat also notifies a change.
| Parameters | |
|---|---|
| dependencies | Observable: The Observables that this ObservableFloat depends on. | 
Public methods
describeContents
int describeContents ()
| Returns | |
|---|---|
| int | |
get
float get ()
| Returns | |
|---|---|
| float | the stored value. | 
set
void set (float value)
Set the stored value.
| Parameters | |
|---|---|
| value | float: 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
 
