case STATE_NORMAL:

setBackgroundResource(R.drawable.btn_recorder_normal);

setText(R.string.str_recorder_normal);

break;

case STATE_RECORDING:

setBackgroundResource(R.drawable.btn_recording);

setText(R.string.str_recorder_recording);

break;

case STATE_WANT_TO_CANCEL:

setBackgroundResource(R.drawable.btn_recording);

setText(R.string.str_recorder_want_cancel);