PropertyChangeRegistry
 
    public class PropertyChangeRegistry 
 extends CallbackRegistry<Observable.OnPropertyChangedCallback, Observable, Void> 
 
     
     
    
 
    用于管理Observable回调的实用工具类。
 
    Summary
 
     
     
     
     
     
     
     
     
     
     
     
     
    Public constructors
 
     
     
     PropertyChangeRegistry
 
      
     
PropertyChangeRegistry ()
 
      
      
     
     
     
     
    Public methods
 
     
     
     notifyChange
 
      
     
void notifyChange (Observable observable, 
                int propertyId) 
     通知已注册的回调特定属性已更改。
 
      
       
        
        | Parameters | 
 
        
        | observable | Observable: The Observable that has changed. | 
 
        
        | propertyId | int: The BR id of the property that has changed or BR._all if the entire Observable has changed. |