ExoTrackSelection.Factory (ExoPlayer library)

All Known Implementing Classes:

AdaptiveTrackSelection.Factory, RandomTrackSelection.Factory

Enclosing interface:

ExoTrackSelection
```
public static interface ExoTrackSelection.Factory
```
Factory for ExoTrackSelection instances.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`@NullableType ExoTrackSelection[]`	`createTrackSelections(@NullableType ExoTrackSelection.Definition[] definitions, BandwidthMeter bandwidthMeter, MediaSource.MediaPeriodId mediaPeriodId, Timeline timeline)`	Creates track selections for the provided `Definitions`.

- Method Detail
  - createTrackSelections
```
@NullableType ExoTrackSelection[] createTrackSelections(@NullableType ExoTrackSelection.Definition[] definitions,
                                                        BandwidthMeter bandwidthMeter,
                                                        MediaSource.MediaPeriodId mediaPeriodId,
                                                        Timeline timeline)
```
    Creates track selections for the provided Definitions.
    Implementations that create at most one adaptive track selection may use TrackSelectionUtil.createTrackSelectionsForDefinitions(com.google.android.exoplayer2.trackselection.ExoTrackSelection.Definition[], com.google.android.exoplayer2.trackselection.TrackSelectionUtil.AdaptiveTrackSelectionFactory).
    
    Parameters:
    
    definitions - A ExoTrackSelection.Definition array. May include null values.
    
    bandwidthMeter - A BandwidthMeter which can be used to select tracks.
    
    mediaPeriodId - The MediaSource.MediaPeriodId of the period for which tracks are to be selected.
    
    timeline - The Timeline holding the period for which tracks are to be selected.
    
    Returns:
    
    The created selections. Must have the same length as definitions and may include null values.