
public abstract class VisibilityTracker

Nested Classes
Modifier and Type	Class	Description
`public @interface`	`VisibilityTracker.ImpressionType`
`public interface`	`VisibilityTracker.VisibilityTrackerListener`
`public interface`	`VisibilityTracker.VisibilityChecker`

Fields
Modifier and Type	Field	Description
`private final AtomicBoolean`	`isPaused`
`private final Boolean`	`isTracking`

Constructors
Constructor	Description

Enum Constants
Enum Constant	Description

Modifier and Type	Method	Description
`final AtomicBoolean`	`isPaused()`
`final Boolean`	`isTracking()`
`final Unit`	`setVisibilityTrackerListener(VisibilityTracker.VisibilityTrackerListener visibilityTrackerListener)`
`Unit`	`resume()`
`Unit`	`pause()`
`final Unit`	`addView(View view, Object token, Integer minPercentageViewed)`	Tracks the given view for visibility.
`final Unit`	`addView(View rootView, View view, Object token, Integer minPercentageViewed)`
`final Unit`	`removeView(View view)`	Stops tracking a view, cleaning any pending tracking
`final Unit`	`clear()`	Immediately clear all views.
`final Unit`	`removeViewWithToken(Object token)`
`Unit`	`destroy()`	Destroy the visibility tracker, preventing it from future use.
`final Unit`	`scheduleVisibilityCheck()`

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

 final Unit setVisibilityTrackerListener(VisibilityTracker.VisibilityTrackerListener visibilityTrackerListener)

 final Unit addView(View view, Object token, Integer minPercentageViewed)

Tracks the given view for visibility.

 final Unit addView(View rootView, View view, Object token, Integer minPercentageViewed)

removeView
```
 final Unit removeView(View view)
```
Stops tracking a view, cleaning any pending tracking

clear
```
 final Unit clear()
```
Immediately clear all views. Useful for when we re-request ads for an ad placer

 final Unit removeViewWithToken(Object token)

destroy
```
 Unit destroy()
```
Destroy the visibility tracker, preventing it from future use.

Class VisibilityTracker