Ticker (Brightcove Player SDK for Android 8.1.1 API)

```
public interface Ticker
```
The timeline ticker is responsible to update the last and the current playhead position of the underlying video player, to its TickerObserver observers.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class Ticker.Position
Describes the positions where the Ticker can start.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`registerObserver(TickerObserver tickerObserver)`	Registers an observer.
`void`	`reset()`	Resets the ticker.
`default void`	`start(long position)`	Starts the ticker with the specified position value.
`void`	`start(Ticker.Position position)`	Starts the ticker with the specified `Ticker.Position` type.
`void`	`stop()`	Stops the ticker.
`void`	`tick()`	Updates the observers with the playhead position.
`void`	`unregisterObserver(TickerObserver tickerObserver)`	Unregisters an observer.

- Method Detail
  - start
```
void start(@NonNull
           Ticker.Position position)
```
    Starts the ticker with the specified Ticker.Position type.
  - start
```
default void start(long position)
```
    Starts the ticker with the specified position value.
    
    Parameters:
    
    position - the absolute position to start the ticker.
  - stop
```
void stop()
```
    Stops the ticker.
  - reset
```
void reset()
```
    Resets the ticker.
  - tick
```
void tick()
```
    Updates the observers with the playhead position.
  - registerObserver
```
void registerObserver(TickerObserver tickerObserver)
```
    Registers an observer.
    
    Parameters:
    
    tickerObserver - the ticker observer
  - unregisterObserver
```
void unregisterObserver(TickerObserver tickerObserver)
```
    Unregisters an observer.
    
    Parameters:
    
    tickerObserver - the ticker observer