Chapter 7. Phone Hardware
Building applications for Windows Phone is a compelling experience. So far you have seen ways to bring the desktop or web experience to a different form factor: the phone. But the phone has a number of device-specific features you will need to become familiar with if you are to succeed in building compelling phone applications.
Unlike computers, phones are held in the hand. This makes vibration a useful mechanism to alert users that something is happening with their phones. This is called haptic feedback. Although haptic feedback is useful in some scenarios, its overuse is discouraged. Use of vibration can impact battery life, so vibrating the phone with every button click or other action isn’t recommended. ...