Here is how to stop Android apps from spying on you. This technique is done by restricting access to all of your Android phone sensors. Watch the video below for full instructions by Hardware Savvy.
Here is how to prevent ANDROID apps from accessing your camera, microphone and other apps from potentially spying on you (considering that’s true).
Please note that this disables access to all sensors, including GPS, camera, mic and others. These sensors are used for Maps and other vital functions. please use your best judgment when turning this on.