@tsuji_koichi has shared several useful posts about how to use QuickChart (https://quickchart.io) to augment AppSheet’s native chart functions:
I had some difficulty figuring out how to implement these tips. Judging from the comments, it seems like most people have been able to understand the posts fairly easily but I thought I’d explain it in my own way in the hope that that might help some creators out there who, like me, had some difficulty following the instructions.
First, I made a little app to illustrate how it works, which I put on my portfolio page:
This “sandbox” page helped me understand that, with QuickChart, you make a URL that contains the data that is used to make the chart. I played with the sandbox until I understood how the URL worked.
Then in my demo app, I used CONCATENATE() to build URLs with data from different columns. The CONCATENATE() expression is in an IMAGE type virtual column. I think it works pretty well, and adds some functionality that is currently missing from AppSheet.
