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Fix the gap between the keyboard and the messageInputBar at Example #120

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Fix the gap between the keyboard and the messageInputBar at Example #120

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21 changes: 17 additions & 4 deletions Example/Sources/ViewControllers/MessageListViewController.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -94,23 +94,36 @@ class MessageListViewController: UIViewController {
guard let `self` = self, self.didSetupViewConstraints else { return }
self.messageInputBar.snp.updateConstraints { make in
if #available(iOS 11.0, *) {
make.bottom.equalTo(self.view.safeAreaLayoutGuide.snp.bottom).offset(-keyboardVisibleHeight)
let safeLayoutGuideBottomInset = self.view.safeAreaInsets.bottom
let offset = keyboardVisibleHeight > 0 ? -keyboardVisibleHeight + safeLayoutGuideBottomInset : -keyboardVisibleHeight
make.bottom.equalTo(self.view.safeAreaLayoutGuide.snp.bottom).offset(offset)
} else {
make.bottom.equalTo(self.bottomLayoutGuide.snp.top).offset(-keyboardVisibleHeight)
}
}
self.view.setNeedsLayout()
UIView.animate(withDuration: 0) {
self.collectionView.contentInset.bottom = keyboardVisibleHeight + self.messageInputBar.height
var inset = keyboardVisibleHeight + self.messageInputBar.height
if keyboardVisibleHeight > 0, #available(iOS 11.0, *) {
let safeLayoutGuideBottomInset = self.view.safeAreaInsets.bottom
inset -= safeLayoutGuideBottomInset
}
self.collectionView.contentInset.bottom = inset
self.collectionView.scrollIndicatorInsets.bottom = self.collectionView.contentInset.bottom
self.view.layoutIfNeeded()
}
})
.disposed(by: self.disposeBag)

RxKeyboard.instance.willShowVisibleHeight
.drive(onNext: { keyboardVisibleHeight in
self.collectionView.contentOffset.y += keyboardVisibleHeight
.drive(onNext: { [weak self] keyboardVisibleHeight in
guard let `self` = self else { return }
if #available(iOS 11.0, *) {
let safeLayoutGuideBottomInset = self.view.safeAreaInsets.bottom
self.collectionView.contentOffset.y += keyboardVisibleHeight - safeLayoutGuideBottomInset
} else {
self.collectionView.contentOffset.y += keyboardVisibleHeight
}
})
.disposed(by: self.disposeBag)

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