added audio output setting for android

AndroidManifest.xml

@@ -14,6 +14,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.RECEIVE_SMS" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
       
     <application android:icon="@drawable/icon" android:label="@string/app_name"
     	android:debuggable="true">

assets/gap.js

@@ -351,6 +351,12 @@ var Device = {
 		},
 		getDuration: function(file) {
 			return window.DroidGap.getDurationAudio(file);
+		},
+		setAudioOutputDevice: function(output){
+			window.DroidGap.setAudioOutputDevice(output);
+		},
+		getAudioOutputDevice: function (){
+			return window.DroidGap.getAudioOutputDevice();
 		}
 	},
 	information: {

assets/index.html

@@ -146,7 +146,17 @@ audio = function(func)
 	} else
 	if (func == 'getDuration') {
 		$('posdur').value = Device.audio.getDuration($('audioFile').value);
+	}else
+	if (func == 'setEarpiece') {
+		Device.audio.setAudioOutputDevice(func);
+	} else
+	if (func == 'setSpeaker') {
+		Device.audio.setAudioOutputDevice(func);
+	}else
+	if (func == 'getAudioOutputDevice') {
+		$('audoutput').value = Device.audio.getAudioOutputDevice();
 	}
+	
 }
 
 phInformation = function(){
@@ -400,6 +410,18 @@ addLoadEvent(initGap);
     		<a class="button blueButton" type="submit" onclick="audio('getCurrentPosition');">getPosition</a>
     		</div>
     	</fieldset>
+    	<fieldset>
+    		<div class="row">
+    		<a class="button leftButton" type="submit" onclick="audio('setEarpiece');">Earpiece</a>
+    		<a class="button blueButton" type="submit" onclick="audio('setSpeaker');">Speaker</a>
+    		</div>
+    	</fieldset>
+    	<fieldset>
+    		<div class="row">
+    		<a class="button leftButton" type="submit" onclick="audio('getAudioOutputDevice');">Audio Output</a>
+    		<input disabled="enabled" id="audoutput" type="text" style="width: 30ex"/>
+    		</div>
+    	</fieldset>
     </div>
     <div id="pi" title="Phone Information" class="panel">
 

src/com/nitobi/phonegap/AudioHandler.java

@@ -2,6 +2,8 @@ package com.nitobi.phonegap;
 
 import java.io.File;
 
+import android.content.Context;
+import android.media.AudioManager;
 import android.media.MediaPlayer;
 import android.media.MediaRecorder;
 import android.media.MediaPlayer.OnCompletionListener;
@@ -13,9 +15,11 @@ public class AudioHandler implements OnCompletionListener {
 	private boolean isPlaying = false;
 	private String recording;
 	private String saveFile;
+	private Context mCtx;
 	
-	public AudioHandler(String file) {
+	public AudioHandler(String file, Context ctx) {
 		this.recording = file;
+		this.mCtx = ctx;
 	}
 	
 	public void startRecording(String file){
@@ -99,4 +103,25 @@ public class AudioHandler implements OnCompletionListener {
 			return duration;
 		} else { return -1; }
 	}
+	
+	protected void setAudioOutputDevice(String output){
+		System.out.println ("Change audio setting to be "+output);
+		AudioManager audiMgr = (AudioManager) mCtx.getSystemService(Context.AUDIO_SERVICE);
+		if (output.contains("Speaker"))
+			audiMgr.setRouting(AudioManager.MODE_NORMAL, AudioManager.ROUTE_SPEAKER, AudioManager.ROUTE_ALL);
+		else if (output.contains("Earpiece")){
+			audiMgr.setRouting(AudioManager.MODE_NORMAL, AudioManager.ROUTE_EARPIECE, AudioManager.ROUTE_ALL);
+		}else
+			System.out.println("input error");
+			
+	}
+	protected int getAudioOutputDevice(){
+		AudioManager audiMgr = (AudioManager) mCtx.getSystemService(Context.AUDIO_SERVICE);
+		if (audiMgr.getRouting(AudioManager.MODE_NORMAL) == AudioManager.ROUTE_EARPIECE)
+			return 1;
+		else if (audiMgr.getRouting(AudioManager.MODE_NORMAL) == AudioManager.ROUTE_SPEAKER)
+			return 2;
+		else
+			return -1;
+	}
 }

src/com/nitobi/phonegap/PhoneGap.java

@@ -51,6 +51,7 @@ public class PhoneGap{
     protected LocationProvider provider;
     SmsListener mSmsListener;
     DirectoryManager fileManager;
+    AudioHandler audio; 
     
 	public PhoneGap(Context ctx, Handler handler, WebView appView) {
         this.mCtx = ctx;
@@ -60,6 +61,7 @@ public class PhoneGap{
         mNetwork = new NetworkListener(ctx);
         mSmsListener = new SmsListener(ctx,mAppView);
         fileManager = new DirectoryManager();
+        audio = new AudioHandler("/sdcard/tmprecording.mp3", ctx);
     }
 	
 	public void updateAccel(){
@@ -285,7 +287,7 @@ public class PhoneGap{
      * AUDIO
      * TODO: Basic functions done but needs more work on error handling and call backs, remove record hack
      */
-    AudioHandler audio = new AudioHandler("/sdcard/tmprecording.mp3");
+    
     public void startRecordingAudio(String file)
     {
     	/* for this to work the recording needs to be specified in the constructor,
@@ -321,6 +323,13 @@ public class PhoneGap{
     	return(audio.getDuration(file));
     }  
     
+    public void setAudioOutputDevice(String output){
+    	audio.setAudioOutputDevice(output);
+    }
+    public int getAudioOutputDevice(){
+    	return audio.getAudioOutputDevice();
+    }
+    
     public String getLine1Number() {
         TelephonyManager tm =
             (TelephonyManager)mCtx.getSystemService(Context.TELEPHONY_SERVICE);