Part III. iOS Performance

Part II built up the foundation for creating a performant app—an app that is cognizant of resource utilization and that follows key best practices for optimization. Although our discussion was centered on iOS app development, the general principles apply to any Objective-C app.

The chapters in this part take a closer look at the options and techniques that are specific to iOS app development. We will explore the following topics:

  • Application lifecycle

  • User interface

  • Networking

  • Data sharing

  • Security

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