Current mobile devices are more than just a calling and chatting machine. They can do much more. But, are we using it ? well, we dont.
Don't worry, Edward Snowden have come with an exciting app called Haven in partnership with The Guardian Project. This app will demonstrate the power of your mobile device. You can monitor your surroundings and get warning of intruders.
Haven uses the sensors on Android devices to track various metrics. It uses sensors like the accelerometer to track the movement and surrounding vibrations, camera to track movements of objects in view, microphone to track surrounding noises, ambient light sensors to track changes in the lights.
If the app gets any data from the sensors, such as someone entering your room or accessing your belongings then it will immediately send notifications.
Here is, how to use it.
Once you install the app, you will go through simple setting. Where app wi ask for normal voice ( sounds ) sample of your environment. You can sleep it too. You can add your phone number, where you want to see notification.
After finishing setting, you will reach at the main page. You will see "START" option on the screen. Once you click it, you'll get few seconds to put your machine at desired location.
Once you decided to see activities, click on DEACTIVATE, just go to logs to see what was tracked. And to delete the log, just swap.