Valentin Postnov (@valpostnov), hw #7
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…был хотя бы один null
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Быстрый скролл в середину, затем остановить и медленно в течении пары секунд медленно двигать в рамках экрана, остановить - элементы не подгружаются |
| int threadsCount = urls.size() < DEF_THREAD_COUNT ? 1 : DEF_THREAD_COUNT; | ||
| CountDownLatch cdl = new CountDownLatch(threadsCount); | ||
| List<Bitmap> bitmaps = Collections.synchronizedList(new ArrayList<>()); | ||
| ExecutorService downloadExecutor = Executors.newFixedThreadPool(threadsCount); |
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На каждый onBindViewHolder ты создаешь экзекьютор и кидаешь в него задачи, которые полюбому выполнятся, даже если идет быстрый скролл и элемент уже ушел с экрана? что будет с CollageConsumer если задачу отменили?
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CollageConsumer теперь добавляется в executor с загрузчиками и в случае когда элемент ушел с экрана будет вызываться shutdownNow для старых executor ' ов
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Первое задание
Клик
Второе задание
Убрал велик с группировкой тасок по критическим секциям.
Клак