Chat app with video and audio calling features and many more... App apk file can be downloaded from this link: https://drive.google.com/file/d/1BLQ8KX59OS_l6WuaTG5i3Db3OBp2aFfP/view?usp=sharing Try it and Enjoy the features . I have problem in uploading andorid studio project so i have uploaded main.zip file containing java files and all resource files along with android manifest file. You can download it and copy paste code in your android studio. Also do not forget to add agora app id in strings.xml file and server key of cloud messaging from firebase project settings into Constants java file. To understand the app better follow up the below link: https://docs.google.com/presentation/d/10Zcvoui9pHC3pyXne8iIjm-EUhAk821QA5b5PhucqOI/edit?usp=sharing