Increase volume of speakerphone over the limit Android

Question

I use this code to set the maximum volume of the speaker.

AudioManager audioManager.setMode(AudioManager.MODE_IN_CALL); 
audioManager.setStreamVolume(AudioManager.STREAM_MUSIC,audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC),0);
            audioManager.setSpeakerphoneOn(false);

I would increase more this volume, but how can i do? I tried to use this:

audioManager.setStreamVolume(AudioManager.STREAM_MUSIC,2,0);

But nothing, the volume remain set to the same level.

An app as this: https://play.google.com/store/apps/details?id=com.mxtech.videoplayer.ad, for example, allow you to increase the volume to the 300%.

Any help? Thank you.

Xaver Kapeller · Answer 1 · 2014-03-23T11:23:41.553

What this app probably does is increase the volume of the file it is playing like for example the vlc player does when you increase the volume beyond 100%. It has nothing to do with the volume you set to the phone, it just compensates for files which have a more quiet audio track.

EDIT:

Of the top of my head I don't know of an easy solution, I imagine it would be very difficult to write such a functionality yourself. That's why I suggest you look for a library such as this:
https://code.google.com/p/musicg/

Or you can look at open source projects which implement this functionality or at least something similar such as this:
https://code.google.com/p/ringdroid/

But I fear even if you use musicg or find some bits of code in ringdroid which help you it's probably still not going to be easy.

So, how can i do to increase the volume of a file? – user3253955 Mar 22 '14 at 19:55 — user3253955, Mar 22 '14 at 19:55
I edited some additional information into my answer. – Xaver Kapeller Mar 23 '14 at 11:24 — Xaver Kapeller, Mar 23 '14 at 11:24

Increase volume of speakerphone over the limit Android

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