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Jun 28, 2020
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Remove legacyImplementation #2012

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12 changes: 0 additions & 12 deletions docs/optimizing-flatlist-configuration.md
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Expand Up @@ -81,18 +81,6 @@ The number passed here is a measurement unit where 1 is equivalent to your viewp

**Cons:** For a bigger `windowSize`, you will have more memory consumption. For a lower `windowSize`, you will have a bigger chance of seeing blank areas.

### legacyImplementation

| Type | Default |
| ------- | ------- |
| Boolean | False |

Make `FlatList` rely on the older and deprecated `ListView` instead of `VirtualizedList`.

**Pros:** No risk of seeing blank areas while scrolling. May avoid bugs in `VirtualizedList`.

**Cons:** Extra memory consumption and more app crash risk in large lists (100+) with complex items. It also warns that the above tweaks will not work because now it is using `ListView`. Many other features are not supported. There may be other bugs since `ListView` is deprecated.

## List items

Below are some tips about list item components. They are the core of your list, so they need to be fast.
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