DataPoint save date exponential

Question

I have a problem, i make an app witch show a graph based on data from firebase. But when i saved on DataPoint its change my first value witch is date and time to an exponential.

This is the main function witch take data from firebase and save to a DataPoint

This is PointValue function used to get data. The value ar going good heare

This is DataPoint function. And heare value is exponential.

Answer 1

I fiind how to resolve the problem. I save date and time in miliseconds. I used this cod for retrive data

When i debugg the original code i noticed java fucntion data().getTime() return miliseconds.