There are 2 repositories under android-ui-testing topic.
Examples of UI Testing with Espresso, Mockk, androidx.test
Gradle custom plugin to set up Android test devices for UI tests with Espresso.
This repository shows a demo how to run UI tests on Firebase test-lab, or any similar service, in a time and cost efficient way. Check this relevant medium article
This is a complete imgae editing app. we can get image internal and as well as camera and we can draw text, colourfull lines, emojies, numbers, appply different filters and save it into the mobiles internal storage.
Android simple App written in Kotlin using latest jetpack libraries and MVVM arch pattern. App also has Unit and UI testing
Automation Testing with Java / Python using Selenium / Appium / TestNG
Android UI Testing with Espresso
Android UI Test Automation and Design Patterns.
An Appium sample for ui testing android projects
Sample android project uses Espresso.
A collection of samples to showcase various testing types that can be performed on the Android code base.