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Xamarin Essentials by Mark Reynolds

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Extending NationalParks.Droid

As we have a good understanding of our starting point, we can now turn our attention to enhance what we have to support the features we need. We have the following enhancements to complete:

  1. Add a ListView instance to MainActivity to list national parks and an add action in the ActionBar class to add a new national park.
  2. Add a detail view that can be used to view and update national parks with actions to save and delete national parks as well as to view photos on www.Bing.com and get directions from a map provider.
  3. Add logic to load and save national parks to a JSON-formatted text file.

Storing and loading national parks

Similar to the NationalParks.iOS project, we will store our parks data in a JSON-formatted text file. ...

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