ContextListener

All Known Implementing Classes:

ContextAnd, ContextExample1, ContextNot, ContextOr, MyContextsActivity, MyContextsDialog, WifiContextExample1
```
public interface ContextListener
```
ContextListener is an interface for tracking context active value changes. This interface includes the method contextChanged, which informs that the active value (true/false) of the context was changed. In order to register a context listener for a context, see the method
Context.registerContextListener(eu.h2020.helios_social.core.context.ContextListener).

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void contextChanged(boolean active)
  This method is called when context active value changed.

- Method Detail
  - contextChanged
```
void contextChanged(boolean active)
```
    This method is called when context active value changed.
    
    Parameters:
    
    active - the context active value