Details
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Bug
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Status: Closed
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Major
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Resolution: Cannot Reproduce
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3.5.0
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None
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None
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ios
Description
When using ios splash screen, it is noticed sometimes, after the splash screen is dimissed, the ios main uiwebview is disabled. So even if the content in the webview shows properly, but user cannot click on any items on the screen.
The project adds the splash screen plugin, and use all default settings.
The debug shows, when the page loaded is finished, it calls pageDidLoad method, which calls setVisible to NO. Inside the setVisible method, in the dispatch_after block, the completion block will only call destroyViews method if the screen transition is finished at below code block
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (uint64_t) effectiveSplashDuration * NSEC_PER_SEC), dispatch_get_main_queue(), CFBridgingRelease(CFBridgingRetain(^(void) {
NSLog(@"splash screen: block %@", NSStringFromSelector(_cmd));
[UIView transitionWithView:self.viewController.view
duration:(fadeDuration / 1000)
options:UIViewAnimationOptionTransitionNone
animations:^(void)
completion:^(BOOL finished) {
NSLog(@"splash screen: %@ finished %d", NSStringFromSelector(_cmd), finished);
if (finished)
}
];
})));
}
}
The problem is if the webview is busy to handle other events (in the testing project, there are several update on frame and bounds, so it calls updateImage few times), then the transition will not be finished when completion block is called. As a result, the destroyView will not be called and the userInteractionEnabled is not set to true after the splash screen is dismissed.
One possible solution is removing the observer and also enable user interaction within setVisible method, as there is no point to continue observer the frame and bound change when splash screen starts to fade out. And it can also be sure the user interaction is always enabled again after dismissing the splash screen.
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