Android游戏开发学习笔记（二）：音频的播放(3)

                    media.start(); 
                break; 
            case R.id.btn2: 
                tv.setText("暂停了MediaPlayer播放的声音"); 
                if (media.isPlaying()) 
                    media.pause(); 
                break; 
            case R.id.btn3: 
                tv.setText("使用SoundPool播放声音"); 
                this.playSound(1, 0); 
                break; 
            case R.id.btn4: 
                tv.setText("暂停了SoundPool播放的声音"); 
                sound.pause(1); 
                break; 
            } 
        } 
 
        private void playSound(int sound, int loop) { 
            // TODO Auto-generated method stub 
            AudioManager mgr = (AudioManager) MainActivity.this
                    .getSystemService(Context.AUDIO_SERVICE); 
            float streamVolumeCurrent = mgr 
                    .getStreamVolume(AudioManager.STREAM_MUSIC); 
            float streamVolumeMax = mgr 
                    .getStreamMaxVolume(AudioManager.STREAM_MUSIC);