ДЗ по теме RecyclerView #3
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Lufavetskaya
reviewed
Jan 2, 2026
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| override fun animateAdd(holder: RecyclerView.ViewHolder): Boolean { | ||
| holder.itemView.alpha = 0f | ||
| holder.itemView.translationX = -holder.itemView.width.toFloat() |
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Для установки начального сдвига, но на момент вызова view может быть еще не измерен, и width будет равен 0. Из за этого анимация сдвига не сработает при первом появлении элемента. Лучше использовать measuredWidth или ширину экрана как fallback.
| val oldCoin = oldItem.coin | ||
| val newCoin = newItem.coin | ||
| if (oldCoin.highlight != newCoin.highlight && | ||
| oldCoin.copy(highlight = newCoin.highlight) == newCoin) { |
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Если изменился только highlight, эта проверка всегда будет true, кажется первой достаточно
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Доработка RecyclerView:
DiffUtil, payloads, Shared ViewPool, анимация