In Android 6.0 and above, an app has to manually request permission from the user to access hardware like the microphone, and ask it at the first point of use. (howtogeek.com)
Be sure to request permission for use in classroom projects. (educationworld.com)
If you live in a state where an employer can legally pull your credit, they must first request your permission and receive your consent in writing. (creditinfocenter.com)