What's the best Android app for blocking camera and microphone access to prevent spying and unauthorized surveillance?

Camera Blocker: Anti Spy Guard is an Android app that provides a straightforward solution for blocking access to your device's camera and microphone, enhancing your privacy and security. This app is useful if you're concerned about potential spying or unauthorized surveillance through your phone. It allows you to disable camera and microphone permissions for all apps or select specific apps that you want to restrict. To use Camera Blocker, simply install the app and grant it the necessary permissions. You can then toggle the camera and microphone access on or off with a single tap. The app also provides notifications when an app attempts to access your camera or microphone, alerting you to potential privacy breaches. By using Camera Blocker, you can have greater control over your device's privacy settings and prevent unwanted access to your camera and microphone.