Java tutorial
//package com.java2s; //License from project: Open Source License import android.content.Context; import android.media.AudioManager; public class Main { public static void openSpeaker(Context context, boolean on) { AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); if (on) { audioManager.setMode(AudioManager.MODE_NORMAL); audioManager.setSpeakerphoneOn(true); } else { audioManager.setSpeakerphoneOn(false); } } }