TrackSelectionParameters (ExoPlayer library)

java.lang.Object
- com.google.android.exoplayer2.trackselection.TrackSelectionParameters

All Implemented Interfaces:

Parcelable

Direct Known Subclasses:

DefaultTrackSelector.Parameters
```
public class TrackSelectionParameters
extends Object
implements Parcelable
```
Constraint parameters for track selection.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class TrackSelectionParameters.Builder
A builder for TrackSelectionParameters.
- Nested classes/interfaces inherited from interface android.os.Parcelable
  Parcelable.ClassLoaderCreator<T extends Object>, Parcelable.Creator<T extends Object>

Nested Classes
Modifier and Type	Class	Description
`static class`	`TrackSelectionParameters.Builder`	A builder for `TrackSelectionParameters`.

Field Summary

Fields
Modifier and Type	Field	Description
`static Parcelable.Creator<TrackSelectionParameters>`	`CREATOR`
`static TrackSelectionParameters`	`DEFAULT`	Deprecated. This instance is not configured using `Context` constraints.
`static TrackSelectionParameters`	`DEFAULT_WITHOUT_CONTEXT`	An instance with default values, except those obtained from the `Context`.
`int`	`disabledTextTrackSelectionFlags`	Bitmask of selection flags that are disabled for text track selections.
`ImmutableList<String>`	`preferredAudioLanguages`	The preferred languages for audio and forced text tracks as IETF BCP 47 conformant tags in order of preference.
`int`	`preferredAudioRoleFlags`	The preferred `C.RoleFlags` for audio tracks.
`ImmutableList<String>`	`preferredTextLanguages`	The preferred languages for text tracks as IETF BCP 47 conformant tags in order of preference.
`int`	`preferredTextRoleFlags`	The preferred `C.RoleFlags` for text tracks.
`boolean`	`selectUndeterminedTextLanguage`	Whether a text track with undetermined language should be selected if no track with `preferredTextLanguages` is available, or if `preferredTextLanguages` is unset.

Fields inherited from interface android.os.Parcelable
CONTENTS_FILE_DESCRIPTOR, PARCELABLE_WRITE_RETURN_VALUE

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`TrackSelectionParameters.Builder`	`buildUpon()`	Creates a new `TrackSelectionParameters.Builder`, copying the initial values from this instance.
`int`	`describeContents()`
`boolean`	`equals(Object obj)`
`static TrackSelectionParameters`	`getDefaults(Context context)`	Returns an instance configured with default values.
`int`	`hashCode()`
`void`	`writeToParcel(Parcel dest, int flags)`

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

- Field Detail
  - DEFAULT_WITHOUT_CONTEXT
```
public static final TrackSelectionParameters DEFAULT_WITHOUT_CONTEXT
```
    An instance with default values, except those obtained from the Context.
    If possible, use getDefaults(Context) instead.
    This instance will not have the following settings:
    - Preferred text language and role flags configured to the accessibility settings of CaptioningManager.
  - DEFAULT
```
@Deprecated
public static final TrackSelectionParameters DEFAULT
```
    Deprecated.
    This instance is not configured using Context constraints. Use getDefaults(Context) instead.
  - preferredAudioLanguages
```
public final ImmutableList<String> preferredAudioLanguages
```
    The preferred languages for audio and forced text tracks as IETF BCP 47 conformant tags in order of preference. An empty list selects the default track, or the first track if there's no default. The default value is an empty list.
  - preferredAudioRoleFlags
```
@RoleFlags
public final int preferredAudioRoleFlags
```
    The preferred C.RoleFlags for audio tracks. 0 selects the default track if there is one, or the first track if there's no default. The default value is 0.
  - preferredTextLanguages
```
public final ImmutableList<String> preferredTextLanguages
```
    The preferred languages for text tracks as IETF BCP 47 conformant tags in order of preference. An empty list selects the default track if there is one, or no track otherwise. The default value is an empty list, or the language of the accessibility CaptioningManager if enabled.
  - preferredTextRoleFlags
```
@RoleFlags
public final int preferredTextRoleFlags
```
    The preferred C.RoleFlags for text tracks. 0 selects the default track if there is one, or no track otherwise. The default value is 0, or C.ROLE_FLAG_SUBTITLE | C.ROLE_FLAG_DESCRIBES_MUSIC_AND_SOUND if the accessibility CaptioningManager is enabled.
  - selectUndeterminedTextLanguage
```
public final boolean selectUndeterminedTextLanguage
```
    Whether a text track with undetermined language should be selected if no track with preferredTextLanguages is available, or if preferredTextLanguages is unset. The default value is false.
  - disabledTextTrackSelectionFlags
```
@SelectionFlags
public final int disabledTextTrackSelectionFlags
```
    Bitmask of selection flags that are disabled for text track selections. See C.SelectionFlags. The default value is 0 (i.e. no flags).
  - CREATOR
```
public static final Parcelable.Creator<TrackSelectionParameters> CREATOR
```
- Method Detail
  - getDefaults
```
public static TrackSelectionParameters getDefaults(Context context)
```
    Returns an instance configured with default values.
  - buildUpon
```
public TrackSelectionParameters.Builder buildUpon()
```
    Creates a new TrackSelectionParameters.Builder, copying the initial values from this instance.
  - equals
```
public boolean equals(@Nullable
                      Object obj)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - describeContents
```
public int describeContents()
```
    Specified by:
    
    describeContents in interface Parcelable
  - writeToParcel
```
public void writeToParcel(Parcel dest,
                          int flags)
```
    Specified by:
    
    writeToParcel in interface Parcelable

Class TrackSelectionParameters

Nested Class Summary

Nested classes/interfaces inherited from interface android.os.Parcelable

Field Summary

Fields inherited from interface android.os.Parcelable

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_WITHOUT_CONTEXT

DEFAULT

preferredAudioLanguages

preferredAudioRoleFlags

preferredTextLanguages

preferredTextRoleFlags

selectUndeterminedTextLanguage

disabledTextTrackSelectionFlags

CREATOR

Method Detail

getDefaults

buildUpon

equals

hashCode

describeContents

writeToParcel