Hand Decision / function of mobile phone

Outdoors in the winter time, or under certain circumstances,maybe we are not too convenient to use the finger to unlock the phone with capacitive touch panel.If a call comes in, we will generally take off gloves or interrupt our behavior.Gravity sensor can solve the problem, this design is the use of the built-in gravity sensor, according to the different actions of the hand to answer and hang up calls.Take into account the emotions of the people, hang up action is designed to be short and frequent shaking, it will be more interesting.