In this Android Studio tutorial we'll filter our list of products using Kotlin's filter helper method. First we'll add two new Buttons to our content_main.xml then add setOnClickListeners to them. In MainActivity we'll create multiple functions for our filters. This refactor helps keep our Android code clean.
We'll show inexpensive products and products owned by Daniel, myself. Click a Button and we'll show just those products and nothing else.
Keeping methods small helps us maintain our codebase. A month from now you'll appreciate how easy it is to add another button, another filter, more products, etc. Enjoy!
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