Multiple graphs on canvas

[TIMAI2]

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Trying to create a graph

Hello, I have randomly generated 4 values in the Arduino with ESP32. Now i want to map the incoming 4 values (via bluetooth) in a graph. I can able to receive the values in my app but i cannot able to draw a line graph for it. MIT data recieve|690x162 This is the one I have done. I am getting 4 values now i need to seperate the 4 values and draw line based on that random values. can anyone please help me with that. Thank you