extion screen is released, the value of gauge component will plus 5, when the "btn_down" component released, the value of gauge component will minus 5 every time.</dd></dl>
<dl class="section author"><dt>Author</dt><dd>Wu Pengfei (email:<a href="#" onclick="location.href='mai'+'lto:'+'pen'+'gf'+'ei.'+'wu'+'@it'+'ea'+'d.c'+'c'; return false;">pengf<span style="display: none;">.nosp@m.</span>ei.w<span style="display: none;">.nosp@m.</span>u@ite<span style="display: none;">.nosp@m.</span>ad.c<span style="displ