Audio route to speaker for Android platform

README.md

@@ -398,6 +398,16 @@ _This feature is available only on iOS._
 RNCallKeep.checkSpeaker();
 ```
 
+### toggleAudioRouteSpeaker
+
+Update the audio route of Audio Service on Android with a `routeSpeaker` boolean value (`true` if speaker need on, `false` otherwise).
+When Phone call is active, Android control the audio via connection service. so this function help to toggle the audio to Speaker or wired/ear-piece or vice-versa 
+_This feature is available only on Android._
+
+```js
+RNCallKeep.toggleAudioRouteSpeaker(uuid: string, routeSpeaker: boolean);
+```
+
 ### supportConnectionService (async)
 
 Tells if `ConnectionService` is available on the device (returns a boolean).

android/src/main/java/io/wazo/callkeep/RNCallKeepModule.java

@@ -417,6 +417,23 @@ public void setMutedCall(String uuid, boolean shouldMute) {
         }
         conn.onCallAudioStateChanged(newAudioState);
     }
+    /**
+     * toggle audio route for speaker via connection service function
+     * @param uuid
+     * @param routeSpeaker
+     */
+    @ReactMethod
+    public void toggleAudioRouteSpeaker(String uuid, boolean routeSpeaker) {
+        VoiceConnection conn = (VoiceConnection) VoiceConnectionService.getConnection(uuid);
+        if (conn == null) {
+            return;
+        }
+        if(useSpeaker){
+            conn.setAudioRoute(CallAudioState.ROUTE_SPEAKER);
+        }else{
+            conn.setAudioRoute(CallAudioState.ROUTE_EARPIECE);
+        }
+    }
 
     @ReactMethod
     public void sendDTMF(String uuid, String key) {

index.d.ts

@@ -138,7 +138,13 @@ declare module 'react-native-callkeep' {
      * @description setMutedCall method is available only on iOS.
      */
     static setMutedCall(uuid: string, muted: boolean): void
-
+
+    /**
+     * @description toggleAudioRouteSpeaker method is available only on Android.
+     * @param uuid 
+     * @param routeSpeaker 
+     */
+    static toggleAudioRouteSpeaker(uuid: string, routeSpeaker: boolean): void
     static setOnHold(uuid: string, held: boolean): void
 
     /**

index.js

@@ -182,7 +182,14 @@ class RNCallKeep {
   };
 
   sendDTMF = (uuid, key) => RNCallKeepModule.sendDTMF(uuid, key);
-
+  /**
+   * @description when Phone call is active, Android control the audio service via connection service. so this function help to toggle the audio to Speaker or wired/ear-piece or vice-versa 
+   * @param {*} uuid 
+   * @param {*} routeSpeaker
+   * @returns Audio route state of audio service
+   */
+  toggleAudioRouteSpeaker = (uuid, routeSpeaker) => isIOS ? null : RNCallKeepModule.toggleAudioRouteSpeaker(uuid, routeSpeaker);
+
   checkIfBusy = () =>
     isIOS ? RNCallKeepModule.checkIfBusy() : Promise.reject('RNCallKeep.checkIfBusy was called from unsupported OS');