VideoControlsCore (library API)

All Known Implementing Classes:

VideoControls, VideoControlsLeanback, VideoControlsMobile
```
public interface VideoControlsCore
```
An Interface that represents the core VideoControl functionality that the VideoView uses to inform the controls of updated states, etc. Note: To preserve backwards compatibility this is being called *Core, On the next major release we should rename this to VideoControls and call the abstract class something else.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`finishLoading()` Update the controls to indicate that the video is no longer loading which will re-display the play/pause, progress, etc.
`void`	`hide(boolean delayed)` Hides the controls immediately if `delayed` is false otherwise a delay determined by the implementation will be used before the controls are hidden.
`boolean`	`isVisible()` Returns `true` if the `VideoControlsCore` are visible
`void`	`onAttachedToView(VideoView videoView)` Called when the controls have been registered by the `VideoView`.
`void`	`onDetachedFromView(VideoView videoView)` Called when the controls have been cleaned up on the `VideoView` side in preparation for detachment.
`void`	`setDuration(long duration)` Sets the video duration in Milliseconds to display at the end of the progress bar
`void`	`show()` Shows the controls immediately
`void`	`showLoading(boolean initialLoad)` Update the controls to indicate that the video is loading.
`void`	`updatePlaybackState(boolean isPlaying)` Informs the controls that the playback state has changed.

- Method Detail
  - onAttachedToView
```
void onAttachedToView(VideoView videoView)
```
    Called when the controls have been registered by the VideoView.
    
    Parameters:
    
    videoView - The VideoView that the controls are attached to
  - onDetachedFromView
```
void onDetachedFromView(VideoView videoView)
```
    Called when the controls have been cleaned up on the VideoView side in preparation for detachment.
    
    Parameters:
    
    videoView - The VideoView that the controls are detaching from
  - show
```
void show()
```
    Shows the controls immediately
  - hide
```
void hide(boolean delayed)
```
    Hides the controls immediately if delayed is false otherwise a delay determined by the implementation will be used before the controls are hidden. If the user is interacting with the controls then we wait until after they are done to start the delay.
  - showLoading
```
void showLoading(boolean initialLoad)
```
    Update the controls to indicate that the video is loading.
    
    Parameters:
    
    initialLoad - true if the loading is the initial state, not for seeking or buffering
  - finishLoading
```
void finishLoading()
```
    Update the controls to indicate that the video is no longer loading which will re-display the play/pause, progress, etc. controls
  - updatePlaybackState
```
void updatePlaybackState(boolean isPlaying)
```
    Informs the controls that the playback state has changed. This will update to display the correct views, and manage progress polling.
    
    Parameters:
    
    isPlaying - True if the media is currently playing
  - setDuration
```
void setDuration(long duration)
```
    Sets the video duration in Milliseconds to display at the end of the progress bar
    
    Parameters:
    
    duration - The duration of the video in milliseconds
  - isVisible
```
boolean isVisible()
```
    Returns true if the VideoControlsCore are visible
    
    Returns:
    
    true if the controls are visible

Interface VideoControlsCore

Method Summary

Method Detail

onAttachedToView

onDetachedFromView

show

hide

showLoading

finishLoading

updatePlaybackState

setDuration

isVisible