METHOD AND SYSTEM OF FILE TRANSFER USING DEVICE-TO-DEVICE COMMUNICATION TECHNIQUE IN MESSENGER

摘要

A file transfer method including forwarding, by a first electronic device connected to a communication session of a messaging service, a first message including an identifier of the first electronic device to a second electronic device connected to the communication session through the communication session, in response to selecting a file to be transferred through the communication session, receiving a second message including an identifier of the second electronic device forwarded through the communication session from the second electronic device, in response to the first message, attempting to set a device-to-device communication with the second electronic device using the identifier of the second electronic device, and transferring the selected file to the second electronic device through the set device-to-device communication when the device-to-device communication is set and transferring the selected file to the second electronic device through the communication session when the device-to-device communication is not set.