A pie chart is a circular graph which is divided into slices to represent numerical proportion. The pie chart mainly used to show comparison and the graphical representation helps understand the comparison easily. If you have a requirement to show the statistics of data with a pie chart, there is an easy way to create the pie chart with Google Chart API in the web application.
Before integrating Google Sign-in into the website or access enabled Google APIs, you must have a Google Developers Console project. In the project, you can create credentials, like API Key, OAuth client ID, Service Account Key etc. This tutorial provides the step-by-step guides on how to create Google Developers Console Project and client ID.