android 连续点击三次跳转到下一面

                int count = 0;/**系统版本号 listener *  * 实现连续点击3次以上，跳转到下一个activity *  * @author elena_wang*/public OnPreferenceClickListener versionPrefListener = new OnPreferenceClickListener() {@Overridepublic boolean onPreferenceClick(Preference paramPreference) {// TODO Auto-generated method stub                        count++;if (count == 1) {start = System.currentTimeMillis();System.out.println("====start====" + start);}if (count == 3) {end = System.currentTimeMillis();System.out.println("====end====" + end);}if (count >= 3) {if ((end - start) < 700) { startActivity(new Intent(SystemMsgActivity.this,SystemVersionAppserver.class));System.out.println("start intent");}System.out.println("====end-start====" + (end - start));count = 0;}if ((System.currentTimeMillis() - start) > 1000) {count = 0;start = System.currentTimeMillis();System.out.println("====超过1000ms=====");}return true;}};