slforce的专栏

如果不希望iOS设备自动锁屏，可以使用以下方式来保持屏幕一直开着。代码 加在application didFinishLanchingWithOptions[[UIApplication sharedApplication] setIdleTimerDisabled: YES];或者[UIApplication sharedApplication].idleTimerDisable

UIButton *btn = [[UIButton alloc]initWithFrame:btnFrame];// 设置圆角半径btn.layer.masksToBounds = YES;btn.layer.cornerRadius = 4;//设置边框宽度和颜色btn.layer.borderWidth = 1;btn.layer.borderColor = [UIColor