Changes

Open the filesystem navigator for your operating system, select the ic_fp_40px.png image file and press Ctrl-C (Cmd-C on macOS) to copy the file. Return to Android Studio, right-click on the app -> res -> drawable folder and select the Paste menu option to add a copy of the image file to the project. When the Copy dialog appears, click on the OK button to use the default settings.

In the interests of keeping the example as simple as possible, the only elements within the user interface will be a TextView and an ImageView. Locate and select the activity_fingerprint_demo.xml layout resource file to load it into the Layout Editor tool.