[Video] More tweaks to AVAudioSession options (#4910)

modules/expo-bluesky-swiss-army/src/PlatformInfo/index.native.ts

@@ -1,6 +1,8 @@
 import {Platform} from 'react-native'
 import {requireNativeModule} from 'expo-modules-core'
 
+import {AudioCategory} from './types'
+
 const NativeModule = requireNativeModule('ExpoPlatformInfo')
 
 export function getIsReducedMotionEnabled(): boolean {
@@ -11,3 +13,8 @@ export function setAudioMixWithOthers(mixWithOthers: boolean): void {
   if (Platform.OS !== 'ios') return
   NativeModule.setAudioMixWithOthers(mixWithOthers)
 }
+
+export function setAudioCategory(audioCategory: AudioCategory): void {
+  if (Platform.OS !== 'ios') return
+  NativeModule.setAudioCategory(audioCategory)
+}

modules/expo-bluesky-swiss-army/src/PlatformInfo/index.ts

@@ -1,9 +1,23 @@
 import {NotImplementedError} from '../NotImplemented'
+import {AudioCategory} from './types'
 
 export function getIsReducedMotionEnabled(): boolean {
   throw new NotImplementedError()
 }
 
+/**
+ * Set whether the app's audio should mix with other apps' audio.
+ * @param mixWithOthers
+ */
 export function setAudioMixWithOthers(mixWithOthers: boolean): void {
   throw new NotImplementedError({mixWithOthers})
 }
+
+/**
+ * Set the audio category for the app.
+ * @param audioCategory
+ * @platform ios
+ */
+export function setAudioCategory(audioCategory: AudioCategory): void {
+  throw new NotImplementedError({audioCategory})
+}

modules/expo-bluesky-swiss-army/src/PlatformInfo/index.web.ts

@@ -1,4 +1,5 @@
 import {NotImplementedError} from '../NotImplemented'
+import {AudioCategory} from './types'
 
 export function getIsReducedMotionEnabled(): boolean {
   if (typeof window === 'undefined') {
@@ -10,3 +11,7 @@ export function getIsReducedMotionEnabled(): boolean {
 export function setAudioMixWithOthers(mixWithOthers: boolean): void {
   throw new NotImplementedError({mixWithOthers})
 }
+
+export function setAudioCategory(audioCategory: AudioCategory): void {
+  throw new NotImplementedError({audioCategory})
+}

modules/expo-bluesky-swiss-army/src/PlatformInfo/types.ts

@@ -0,0 +1,15 @@
+/**
+ * Sets the audio session category on iOS. In general, we should only need to use this for the `playback` and `ambient`
+ * categories. This enum however includes other categories that are available in the native API for clarity and
+ * potential future use.
+ * @see https://developer.apple.com/documentation/avfoundation/avaudiosession/category
+ * @platform ios
+ */
+export enum AudioCategory {
+  Ambient = 'AVAudioSessionCategoryAmbient',
+  Playback = 'AVAudioSessionCategoryPlayback',
+  _SoloAmbient = 'AVAudioSessionCategorySoloAmbient',
+  _Record = 'AVAudioSessionCategoryRecord',
+  _PlayAndRecord = 'AVAudioSessionCategoryPlayAndRecord',
+  _MultiRoute = 'AVAudioSessionCategoryMultiRoute',
+}