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android / views-widgets-samples

Multiple samples showing the best practices in views-widgets on Android.
Apache License 2.0
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Merge pull request #215 from android/update-agp-4-2-1 #233

Open StylianosGakis opened 2 years ago

StylianosGakis commented 2 years ago

Fix DiffUtil.ItemCallback implementation

The areItemsTheSame documentation explicitly says: "For example, if your items have unique ids, this method should check their id equality."

In the current state, the DiffUtil.ItemCallback is implemented wrong.

https://github.com/android/views-widgets-samples/blob/f22069a57d5df0b58ce0be08086c3e9db35870b8/RecyclerViewKotlin/app/src/main/java/com/example/recyclersample/flowerList/FlowersAdapter.kt#L77-L83