Clock (ExoPlayer library)

All Known Implementing Classes:

FakeClock, SystemClock
```
public interface Clock
```
An interface through which system clocks can be read and HandlerWrappers created. The DEFAULT implementation must be used for all non-test cases.

Field Summary

Fields
Modifier and Type Field Description

static Clock DEFAULT
Default Clock to use for all non-test cases.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`HandlerWrapper`	`createHandler(Looper looper, Handler.Callback callback)`	Creates a `HandlerWrapper` using a specified looper and a specified callback for handling messages.
`long`	`currentTimeMillis()`	Returns the current time in milliseconds since the Unix Epoch.
`long`	`elapsedRealtime()`
`void`	`onThreadBlocked()`	Notifies the clock that the current thread is about to be blocked and won't return until a condition on another thread becomes true.
`long`	`uptimeMillis()`

- Field Detail
  - DEFAULT
```
static final Clock DEFAULT
```
    Default Clock to use for all non-test cases.
- Method Detail
  - currentTimeMillis
```
long currentTimeMillis()
```
    Returns the current time in milliseconds since the Unix Epoch.
    
    See Also:
    
    System.currentTimeMillis()
  - elapsedRealtime
```
long elapsedRealtime()
```
    See Also:
    
    SystemClock.elapsedRealtime()
  - uptimeMillis
```
long uptimeMillis()
```
    See Also:
    
    SystemClock.uptimeMillis()
  - createHandler
```
HandlerWrapper createHandler(Looper looper,
                             @Nullable
                             Handler.Callback callback)
```
    Creates a HandlerWrapper using a specified looper and a specified callback for handling messages.
    
    See Also:
    
    Handler(Looper, Handler.Callback)
  - onThreadBlocked
```
void onThreadBlocked()
```
    Notifies the clock that the current thread is about to be blocked and won't return until a condition on another thread becomes true.
    Should be a no-op for all non-test cases.