James Bond’s toy

Contemporary mobile hardware does not significantly differ in capabilities from secret agent James Bond’s gadgets from just a few years ago. Your mobile phone is equipped with all kinds of sensors that you can use in your mobile apps, including for location, orientation, motion, and ambient light, along with a microphone, speakers, camera, and plenty of other hardware you can control.

An app is immersed in the given operating system it runs on, which is in charge of every aspect of an app’s execution. In your code, you can respond to different app life cycle events such as startup, switching to background execution, moving back to the foreground, and app termination. Ultimately, this interaction is about responding to different events sent by the operating system and invoking operating system APIs. The FireMonkey library encapsulates access to common mobile operating system functionality through specialized types, classes, and components, but...