线程定时执行方法

<span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">1.定义</span>

private Runnable runnable;

<pre style="background-color:#2b2b2b;color:#a9b7c6;font-family:'宋体';font-size:12.0pt;"><span style="color:#808080;">//创建一个Handler对象
</span>Handler <span style="color:#9876aa;">handler </span>= <span style="color:#cc7832;">new </span>Handler()<span style="color:#cc7832;">;</span>

<pre style="background-color:#2b2b2b;color:#a9b7c6;font-family:'宋体';font-size:12.0pt;"><span style="color:#808080;">// 然后创建一个Runnable对象</span>

<pre style="background-color:#2b2b2b;color:#a9b7c6;font-family:'宋体';font-size:12.0pt;"> <span style="color:#9876aa;">runnable </span>= <span style="color:#cc7832;">new </span>Runnable() {
     <span style="color:#bbb529;">@Override
</span><span style="color:#bbb529;">     </span><span style="color:#cc7832;">public void </span><span style="color:#ffc66d;">run</span>() {
         <span style="color:#808080;">// </span><span style="color:#a8c023;"><em>TODO Auto-generated method stub
</em></span><span style="color:#a8c023;"><em>         </em></span><span style="color:#808080;">//要做的事情，这里再次调用此Runnable对象，以实现每两秒实现一次的定时器操作
</span><span style="color:#808080;">         //获取参数
</span><span style="color:#808080;">      </span><span style="color:#cc7832;">
</span><span style="color:#cc7832;">         </span><span style="color:#9876aa;">handler</span>.postDelayed(<span style="color:#cc7832;">this, </span><span style="color:#b389c5;">setting_time</span>)<span style="color:#cc7832;">;
</span><span style="color:#cc7832;">     </span>}
 }<span style="color:#cc7832;">;
</span><span style="color:#808080;">/* 使用PostDelayed方法，两秒后调用此Runnable对象
</span><span style="color:#808080;">         实际上也就实现了一个2s的一个定时器*/
</span><span style="color:#808080;"> </span><span style="color:#9876aa;">handler</span>.postDelayed(<span style="color:#9876aa;">runnable</span><span style="color:#cc7832;">, </span>setting_time)<span style="color:#cc7832;">;</span>