# FileTypes
# FileTypes
Artifact:[androidx.media3:media3-common](https://developer.android.com/jetpack/androidx/releases/media3)
[View Source](https://cs.android.com/search?q=file:androidx/media3/common/FileTypes.java+class:androidx.media3.common.FileTypes)
*** ** * ** ***
Kotlin\|[Java](https://developer.android.com/reference/androidx/media3/common/FileTypes "View this page in Java")
```
@UnstableApi
class FileTypes
```
*** ** * ** ***
Defines common file type constants and helper methods.
## Summary
| ### Nested types |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `@`[Documented](https://developer.android.com/reference/java/lang/annotation/Documented.html) `@`[Retention](https://developer.android.com/reference/java/lang/annotation/Retention.html)`(value = `[RetentionPolicy.SOURCE](https://developer.android.com/reference/java/lang/annotation/RetentionPolicy.html#SOURCE)`)` `@`[Target](https://developer.android.com/reference/java/lang/annotation/Target.html)`(value = `[ElementType.TYPE_USE](https://developer.android.com/reference/java/lang/annotation/ElementType.html#TYPE_USE)`)` `@`[IntDef](https://developer.android.com/reference/kotlin/androidx/annotation/IntDef)`(value = )` `annotation `[FileTypes.Type](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes.Type) File types. |
| ### Constants |
|-------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [AC3](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#AC3())` = 0` File type for the AC-3 and E-AC-3 formats. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [AC4](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#AC4())` = 1` File type for the AC-4 format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [ADTS](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#ADTS())` = 2` File type for the ADTS format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [AMR](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#AMR())` = 3` File type for the AMR format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [AVI](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#AVI())` = 16` File type for the AVI format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [AVIF](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#AVIF())` = 21` File type for the AVIF format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [BMP](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#BMP())` = 19` File type for the BMP format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [FLAC](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#FLAC())` = 4` File type for the FLAC format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [FLV](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#FLV())` = 5` File type for the FLV format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [HEIF](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#HEIF())` = 20` File type for the HEIF format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [JPEG](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#JPEG())` = 14` File type for the JPEG format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [MATROSKA](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#MATROSKA())` = 6` File type for the Matroska and WebM formats. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [MIDI](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#MIDI())` = 15` File type for the MIDI format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [MP3](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#MP3())` = 7` File type for the MP3 format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [MP4](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#MP4())` = 8` File type for the MP4 format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [OGG](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#OGG())` = 9` File type for the Ogg format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [PNG](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#PNG())` = 17` File type for the PNG format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [PS](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#PS())` = 10` File type for the MPEG-PS format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [TS](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#TS())` = 11` File type for the MPEG-TS format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [UNKNOWN](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#UNKNOWN())` = -1` Unknown file type. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [WAV](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#WAV())` = 12` File type for the WAV format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [WEBP](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#WEBP())` = 18` File type for the WEBP format. |
| `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [WEBVTT](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#WEBVTT())` = 13` File type for the WebVTT format. |
| ### Public functions |
|-------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `java-static `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | `@`[FileTypes.Type](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes.Type) [inferFileTypeFromMimeType](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#inferFileTypeFromMimeType(java.lang.String))`(mimeType: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`?)` Returns the[Type](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes.Type)corresponding to the MIME type provided. |
| `java-static `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | `@`[FileTypes.Type](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes.Type) [inferFileTypeFromResponseHeaders](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#inferFileTypeFromResponseHeaders(java.util.Map>))`(` ` responseHeaders: (`[Mutable](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html)`)`[Map](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html)`<`[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!, (`[Mutable](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-list/index.html)`)`[List](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-list/index.html)`<`[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!>!>!` `)` Returns the[Type](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes.Type)corresponding to the response headers provided. |
| `java-static `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | `@`[FileTypes.Type](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes.Type) [inferFileTypeFromUri](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#inferFileTypeFromUri(android.net.Uri))`(uri: `[Uri](https://developer.android.com/reference/android/net/Uri.html)`!)` Returns the[Type](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes.Type)corresponding to the[Uri](https://developer.android.com/reference/android/net/Uri.html)provided. |
## Constants
### AC3
```
const val AC3 = 0: Int
```
File type for the AC-3 and E-AC-3 formats.
### AC4
```
const val AC4 = 1: Int
```
File type for the AC-4 format.
### ADTS
```
const val ADTS = 2: Int
```
File type for the ADTS format.
### AMR
```
const val AMR = 3: Int
```
File type for the AMR format.
### AVI
```
const val AVI = 16: Int
```
File type for the AVI format.
### AVIF
```
const val AVIF = 21: Int
```
File type for the AVIF format.
### BMP
```
const val BMP = 19: Int
```
File type for the BMP format.
### FLAC
```
const val FLAC = 4: Int
```
File type for the FLAC format.
### FLV
```
const val FLV = 5: Int
```
File type for the FLV format.
### HEIF
```
const val HEIF = 20: Int
```
File type for the HEIF format.
### JPEG
```
const val JPEG = 14: Int
```
File type for the JPEG format.
### MATROSKA
```
const val MATROSKA = 6: Int
```
File type for the Matroska and WebM formats.
### MIDI
```
const val MIDI = 15: Int
```
File type for the MIDI format.
### MP3
```
const val MP3 = 7: Int
```
File type for the MP3 format.
### MP4
```
const val MP4 = 8: Int
```
File type for the MP4 format.
### OGG
```
const val OGG = 9: Int
```
File type for the Ogg format.
### PNG
```
const val PNG = 17: Int
```
File type for the PNG format.
### PS
```
const val PS = 10: Int
```
File type for the MPEG-PS format.
### TS
```
const val TS = 11: Int
```
File type for the MPEG-TS format.
### UNKNOWN
```
const val UNKNOWN = -1: Int
```
Unknown file type.
### WAV
```
const val WAV = 12: Int
```
File type for the WAV format.
### WEBP
```
const val WEBP = 18: Int
```
File type for the WEBP format.
### WEBVTT
```
const val WEBVTT = 13: Int
```
File type for the WebVTT format.
## Public functions
### inferFileTypeFromMimeType
```
@FileTypes.Type
java-static fun inferFileTypeFromMimeType(mimeType: String?): Int
```
Returns the[Type](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes.Type)corresponding to the MIME type provided.
Returns[UNKNOWN](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes#UNKNOWN())if the MIME type is`null`.
### inferFileTypeFromResponseHeaders
```
@FileTypes.Type
java-static fun inferFileTypeFromResponseHeaders(
responseHeaders: (Mutable)Map!>!
): Int
```
Returns the[Type](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes.Type)corresponding to the response headers provided.
### inferFileTypeFromUri
```
@FileTypes.Type
java-static fun inferFileTypeFromUri(uri: Uri!): Int
```
Returns the[Type](https://developer.android.com/reference/kotlin/androidx/media3/common/FileTypes.Type)corresponding to the[Uri](https://developer.android.com/reference/android/net/Uri.html)provided.