An Android-based smartphone can reveal a user’s physical activities to Google and other apps installed on the phone, according to the Independent.
The activity information is monitored, processed and disclosed by hosts of sensors inside the mobile device. This information is then accessed by ‘Activity Recognition’ permission incorporated in Android devices that in a fraction of seconds concludes the type of activity, the report said.
For example, if you are walking from the metro station to office, the Activity Recognition permission gets information from location sensor, gyroscope, proximity and other sensors to locate your real-time location and understand the

)