Chapter 4. Talking to servers
This chapter covers
- Using decoders to validate and translate JSON
- Handling descriptive errors with results
- Communicating over HTTP with commands
We’ve made great progress! Users of our Photo Groove application can now do quite a bit:
- Select a thumbnail to view a larger version
- Choose Small, Medium, or Large thumbnail sizes
- Click the Surprise Me! button to select a random thumbnail
Our manager is impressed with our progress but has even more in mind: “It’s time to take Photo Groove to the next level. The highest level. The cloud level. That’s right, we’re going to have Photo Groove start getting its photo information from our servers!”
As with last time, our manager has one more minor feature request: “There’s ...
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