Lesson 16 - iOS Weather Forecast App - Final Modifications
In the previous lesson, iOS Weather Forecast App - The UserDefaults storage, we modified our iOS weather forecast app
in Swift, to cache values into the
The app is now finished, however we can still improve it by adding several features.
Saving the image
There's a little problem with the image. OpenWeatherMap provides us with just a small resolution so the image is blurry. We could solve this by shrinking the image, or alternatively we could download different icons, name them using the same codes, add them to the project, and display them.
Even a bigger issue is that the image isn't available when using the saved
data. Let's have a look at how to save the image to a file and display it again.
Let's add the
StorageHelper class to the project. It'll contain
methods for saving and loading images. This is how it looks like:
...End of the preview...
ict.social is a large database made up of manuals and tutorials, whose main goal is to provide high-quality IT education to everyone. We started out in the Czech republic, where we display roughly a million articles per month and receive plenty of gratitude from our users. Thanks to our successful establishment, we are now bringing these articles to the rest of the world.
Although we are trying to keep our content free of charge, maintaining the site is a huge effort for everyone involved. Therefore, some content (exercises and more advanced material) costs network points. Don't worry, they're really cheap :)
Requested article covers this content:
In this Swift tutorial, we'll finish the iOS weather app by saving the image, loading the data when opening the app, and adding a loading indicator.
Buying this article gives you unlimited access to it forever. You will learn some more and help us keep giving our site maintenance which helps you and others get better futures. It's a win-win.
You gain points by supporting our network. This is done by sending a helpful amount of money to support the site, or by creating content for the network.
You can get points immediately using:
|Credit card||SMS||Wire transfer|