Infinum Android Talks #18 - Create fun lists by Ivan Marić
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The document discusses the implementation of RecyclerView in Android, emphasizing its advantages over ListView and GridView through the use of the ViewHolder pattern and item animations. It provides valuable resources like Stack Overflow links and GitHub repositories for further exploration of RecyclerView animations. Additionally, it includes best practices for managing animations and items effectively within a RecyclerView context.
Infinum Android Talks #18 - Create fun lists by Ivan Marić
- 1. We're an independent design & development agency.
- 2. Create fun lists (fun for the user) IVAN MARIĆ
- 3. RECYCLER VIEW Replaces ListView and GridView Force usage of ViewHolder pattern More work for a developer
- 4. MANUAL WORK No dividers No onItemClickListener LayoutManager
- 5. ANIMATIONS
- 6. http://stackoverflow.com/questions/3928193/how-to-animate- addition-or-removal-of-android-listview-rows HOW ANIMATION WORKS RecyclerView.ItemAnimator DefaultItemAnimator animateAppearance() → notifyItemInserted(int) animateChange() → notifyItemChanged(int) animateDisappearance() → notifyItemRemoved(int) animatePersistence() → notifyItemMoved(int, int) RecyclerView.ItemAnimator RecyclerView.Adapter
- 8. https://github.com/wasabeef/recyclerview-animators BEFORE YOU START TO CODE 21 Animators 5 Adapters 3000+ stars
- 10. PREPARE HOLDER FOR ANIMATION Initialize view properties before animation start When saving for run pending
- 12. ALWAYS CALL DISPATCH END dispatchMoveFinished dispatchAddFinished dispatchRemoveFinished dispatchChangeFinished
- 13. WATCH ANIMATIONS ORDER runPendingAnimations Depends on the desired behaviour Animation start delay
- 14. DECORATOR ANIMATIONS Dividers draw over the items Animate in the ItemDecoration Move decoration into the view
- 15. PREDICTIVE ANIMATIONS Animate holder currently not visible Could cause problems with multiple view types Option to turn off
- 17. Any questions? IVAN.MARIC@INFINUM.CO IVAN MARIĆ Visit infinum.co or find us on social networks: infinum.co infinumco infinumco infinum