StreamKey (ExoPlayer library)

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java.lang.Object
- com.google.android.exoplayer2.offline.StreamKey

All Implemented Interfaces:

Parcelable, Comparable<StreamKey>
```
public final class StreamKey
extends Object
implements Comparable<StreamKey>, Parcelable
```
A key for a subset of media which can be separately loaded (a "stream").
The stream key consists of a period index, a group index within the period and a track index within the group. The interpretation of these indices depends on the type of media for which the stream key is used.

Nested Class Summary
- Nested classes/interfaces inherited from interface android.os.Parcelable
  Parcelable.ClassLoaderCreator<T extends Object>, Parcelable.Creator<T extends Object>

Field Summary

Fields
Modifier and Type	Field	Description
`static Parcelable.Creator<StreamKey>`	`CREATOR`
`int`	`groupIndex`	The group index.
`int`	`periodIndex`	The period index.
`int`	`trackIndex`	The track index.

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

Constructor Summary

Constructors
Constructor Description

StreamKey(int groupIndex, int trackIndex)

StreamKey(int periodIndex, int groupIndex, int trackIndex)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`compareTo(StreamKey o)`
`int`	`describeContents()`
`boolean`	`equals(Object o)`
`int`	`hashCode()`
`String`	`toString()`
`void`	`writeToParcel(Parcel dest, int flags)`

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

Field Detail

periodIndex
```
public final int periodIndex
```
The period index.

groupIndex
```
public final int groupIndex
```
The group index.

trackIndex
```
public final int trackIndex
```
The track index.

CREATOR

public static final Parcelable.Creator<StreamKey> CREATOR

Constructor Detail
- StreamKey
```
public StreamKey(int groupIndex,
                 int trackIndex)
```
  Parameters:
  
  groupIndex - The group index.
  
  trackIndex - The track index.
- StreamKey
```
public StreamKey(int periodIndex,
                 int groupIndex,
                 int trackIndex)
```
  Parameters:
  
  periodIndex - The period index.
  
  groupIndex - The group index.
  
  trackIndex - The track index.

Method Detail
- toString
```
public String toString()
```
  Overrides:
  
  toString in class Object
- equals
```
public boolean equals(@Nullable
                      Object o)
```
  Overrides:
  
  equals in class Object
- hashCode
```
public int hashCode()
```
  Overrides:
  
  hashCode in class Object
- compareTo
```
public int compareTo(StreamKey o)
```
  Specified by:
  
  compareTo in interface Comparable<StreamKey>
- describeContents
```
public int describeContents()
```
  Specified by:
  
  describeContents in interface Parcelable
- writeToParcel
```
public void writeToParcel(Parcel dest,
                          int flags)
```
  Specified by:
  
  writeToParcel in interface Parcelable

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