April 2019
Intermediate to advanced
360 pages
9h 17m
English
Content preview from Hands-On Design Patterns with Java
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Mobile operating system layers example
Modern mobile operating systems have a different architectural pattern. We will look at the layers of iOS as an example. As illustrated in the following diagram, the five iOS layers include a touch layer that the user interacts with:
Mobile operating system layers
Let's look at this in detail:
- The communication path is downward, flowing all the way down to the Hardware layer.
- Immediately above the Hardware layer is the Core OS Layer. This layer has several responsibilities that include memory management, Bluetooth, security services, local authentication, and more.
- This includes responsibilities such ...
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