Mobile phone via bluetooth connection with single-chip microcomputer, the connection is successful in A page, transmitted through the singleton pattern, after the success of the bluetooth connection to jump to page B, jump to C page, after some operations in C pages for bluetooth connection socket, sensor values can be received at this time, when to return to page B change some operation, back to C page, for A period of time to receive the sensor values, return page B, the more receive the longer the time, do bosses have any suggestion or opinion, please grant instruction