java.lang.Object
- com.google.android.exoplayer2.util.SystemClock

All Implemented Interfaces:

Clock
```
public class SystemClock
extends Object
implements Clock
```
The standard implementation of Clock, an instance of which is available via Clock.DEFAULT.

Field Summary
- Fields inherited from interface com.google.android.exoplayer2.util.Clock
  DEFAULT

Constructor Summary

Constructors
Modifier Constructor Description

protected SystemClock()

Method Summary

All Methods Instance Methods Concrete 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()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SystemClock
```
protected SystemClock()
```
- Method Detail
  - currentTimeMillis
```
public long currentTimeMillis()
```
    Description copied from interface: Clock
    
    Returns the current time in milliseconds since the Unix Epoch.
    
    Specified by:
    
    currentTimeMillis in interface Clock
    
    See Also:
    
    System.currentTimeMillis()
  - elapsedRealtime
```
public long elapsedRealtime()
```
    Specified by:
    
    elapsedRealtime in interface Clock
    
    See Also:
    
    SystemClock.elapsedRealtime()
  - uptimeMillis
```
public long uptimeMillis()
```
    Specified by:
    
    uptimeMillis in interface Clock
    
    See Also:
    
    SystemClock.uptimeMillis()
  - createHandler
```
public HandlerWrapper createHandler(Looper looper,
                                    @Nullable
                                    Handler.Callback callback)
```
    Description copied from interface: Clock
    
    Creates a HandlerWrapper using a specified looper and a specified callback for handling messages.
    
    Specified by:
    
    createHandler in interface Clock
    
    See Also:
    
    Handler(Looper, Handler.Callback)
  - onThreadBlocked
```
public void onThreadBlocked()
```
    Description copied from interface: Clock
    
    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.
    
    Specified by:
    
    onThreadBlocked in interface Clock

Class SystemClock

Field Summary

Fields inherited from interface com.google.android.exoplayer2.util.Clock

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

SystemClock

Method Detail

currentTimeMillis

elapsedRealtime

uptimeMillis

createHandler

onThreadBlocked