Chapter 8. Building a Camera Application

We have reached the end of an era, learning the ins and outs of cross-platform development using the Xamarin platform.

In our last chapter, we are going to walk-through the final Xamarin.Forms project. We will introduce Effects, Triggers, and how they apply to UI elements. Then, we will build a CustomRenderer for each platform camera. The following topics will be covered in this chapter.

Expected knowledge:

• Xamarin.Forms
• XAML
• MVVM
• C# threading
• HashMap data structures
• CustomRenderers
• INotifiedPropertyChanged framework

In this chapter, you will learn the following:

• Solution setup
• Building the MainPageViewModel
• Improving the INotifiedPropertyChanged implementation
• Creating the custom UI objects
• Building the FocusView
• Xamarin.Forms animations
• Xamarin.Forms compound animations
• Building the CameraView
• Building a control for the iOS camera
• Building the iOS CameraRenderer
• Integrating the Android Camera2 framework
• Building the CameraViewRenderer in Android
• Handling native...