물방울 : 센서

1. The design of the application has been improved.
2. Modified the pop-up so that it closes even when the outside is clicked or the back button is clicked.
3. Modified so that a warning window appears when modifying or saving logs.
4. Added guidelines for modifying log names.
5. Added a function to check the recording time in real-time.
6. Added a function to stop or restart the real-time graph of the sensor.