@interface WaterLockListener : NSObject + (id)sharedInstance; - (BOOL)isWaterLockedOff; - (void)startListen; - (void)stopListen; @end
@interface WaterLockListener : NSObject + (id)sharedInstance; - (BOOL)isWaterLockedOff; - (void)startListen; - (void)stopListen; @end