Android : How to add Map Marker from JSON RESTful Web API

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0:00 Introduction
3:32 Explanation about the Web Server code, MySQL Database and JSON output
6:33 Importing Android Application Code
9:10 Getting the IP Address and accessing the web server from Android Virtual Device Emulator
11:10 Add ClearText traffic, Volley and JSON library
16:17 Calling JSON from Android Application with Volley and GSON
33:32 The demo application runs
34:13 Changing the color of Map Marker
35:35 Adding New Marker in the Database
37:10 Summary

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[AnishVargheseLovedale]

I am getting error on ActivityMapsBinding.