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[iOS] Flash / ghost screen briefly visible after splash screen on initial launch since RNN 8.7.6 #8278 #8287

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Merged
markdevocht merged 4 commits into from
May 5, 2026
Merged

[iOS] Flash / ghost screen briefly visible after splash screen on initial launch since RNN 8.7.6 #8278 #8287

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83a4743
fix
markdevocht May 3, 2026
e0ce71a
Merge branch 'master' into bugfix/webview-flickering
markdevocht May 3, 2026
ea2b1dd
Merge branch 'master' into bugfix/webview-flickering
markdevocht May 5, 2026
fe41092
Merge branch 'master' into bugfix/webview-flickering
markdevocht May 5, 2026
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4 changes: 4 additions & 0 deletions ios/BottomTabsAfterInitialTabAttacher.mm
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,10 @@ - (void)attach:(UITabBarController *)bottomTabsController {
for (UIViewController *viewController in bottomTabsController.deselectedViewControllers) {
dispatch_async(dispatch_get_main_queue(), ^{
UIWindow *preloadWindow = [[UIWindow alloc] initWithFrame:CGRectZero];
// Clip the preload window so the deselected tab's full-screen reactView,
// which is briefly hosted here while it renders, can't draw outside the
// zero-frame window and flicker over the already-visible selected tab.
preloadWindow.clipsToBounds = YES;
preloadWindow.hidden = NO;

dispatch_group_t ready = dispatch_group_create();
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4 changes: 4 additions & 0 deletions ios/BottomTabsTogetherAttacher.mm
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Expand Up @@ -7,6 +7,10 @@ - (void)attach:(RNNBottomTabsController *)bottomTabsController {
dispatch_group_t ready = dispatch_group_create();

UIWindow *preloadWindow = [[UIWindow alloc] initWithFrame:CGRectZero];
// Clip the preload window so the full-screen reactViews hosted here while
// they render can't draw outside the zero-frame window. Today the splash
// screen masks this, but without clipping it's a latent flicker.
preloadWindow.clipsToBounds = YES;
preloadWindow.hidden = NO;

NSMapTable *reactViewToParent = [NSMapTable strongToStrongObjectsMapTable];
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