fix: iOS 18 error preview, black screen #348
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Pull Request Title
Fix: Black screen issue in presentPreviewAnimated:YES on iOS 18
Description
This PR introduces a small delay (dispatch_after) before calling presentPreviewAnimated:YES in UIDocumentInteractionController. This fixes an issue in iOS 18, where the preview (QuickLook) sometimes displayed a black screen.
🔍 Issue
On iOS 18, opening certain files with UIDocumentInteractionController resulted in a black screen instead of the expected document preview.
💡 Solution
Added a 0.5-second delay before calling presentPreviewAnimated:YES to ensure the document is fully loaded before rendering the preview.
🛠️ Changes Applied
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ [self->docController presentPreviewAnimated:YES]; });