Ios代码
[[UIApplication sharedApplication] setIdleTimerDisabled: YES];
或者
[UIApplication sharedApplication].idleTimerDisabled = YES;
[[UIApplication sharedApplication] setIdleTimerDisabled: YES];
或者
[UIApplication sharedApplication].idleTimerDisabled = YES;阻止iOS设备锁屏,布布扣,bubuko.com
阻止iOS设备锁屏
原文：http://www.cnblogs.com/yunis/p/3860154.html
