webview (index.html) can't play sound in android

i use webview to play sound

webView = native.newWebView( 0, display.contentCenterY+50, 320, 480 )
webView:request( “index.html”, system.ResourceDirectory )

i can’t hear sound in android,but can hear it in simulator and ios device.what is problem?

index.html

<html>
  <head>
    <meta name=“viewport” content=“width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0, user-scalable=no;” />
    <meta http-equiv=“Content-Type” content=“text/html; charset=utf-8”/>
         <link href=“css/jquery.mobile-1.2.0.min.css” rel=“stylesheet”/>
    <script type=“text/javascript” charset=“utf-8” src=“cordova-current.js”></script>
    <script src=“js/jquery.js”></script>
    <script src=“js/jquery.mobile-1.2.0.min.js”></script>
       <script type=“text/javascript”>
      window.lang = new jquery_lang_js();
      $().ready(function () {
      window.lang.run();
      });
    </script>
  </head>
  <body>
  <div data-role=“page” id=“a”><br><br>
      <div data-role=“header” >
        <a href=“index.html#p1” rel=“external”>
          <div lang=“en”>Previous Page</div>
        </a> <h6><div lang=“en”>Phonetics</div></h6>
      </div>
<div data-role=“content”>
<div align=“center”>
<a onclick=“this.firstChild.play()”><audio src=“b.mp3”></audio>
<img src=“b1.png”>
</a>

</div>
<br>
<hr >

<div align=“center”>
<a onClick=“this.firstChild.play()”><audio src=“d.mp3”></audio><span class=“red”>aw</span>kward</a></div>
<hr>
<div align=“center”>
<a onClick=“this.firstChild.play()”><audio src=“c.mp3”></audio>cl<span class=“red”>o</span>ck</a></div>
<hr><div align=“center”>
<a onClick=“this.firstChild.play()”><audio src=“r.mp3”></audio>r<span class=“red”>a</span>w</a></div>
<hr>

    </div> </div></body></html>

my build.settings

        androidPermissions=
        {
                “android.permission.INTERNET”,
                “android.permission.ACCESS_NETWORK_STATE”,
                “android.permission.RECORD_AUDIO”,
                “android.permission.MODIFY_AUDIO_SETTINGS”,
                “android.permission.WRITE_EXTERNAL_STORAGE”
                },

Were you able to solve the problem?

Were you able to solve the problem?