fix

Signed-off-by: marinofaggiana <ios@nextcloud.com>

iOSClient/EmptyView/NCEmptyDataSet.swift

@@ -42,6 +42,10 @@ class NCEmptyDataSet: NSObject {
     private var fillBackgroundName: String = ""
     private var fillBackgroundView = UIImageView()
 
+    private var centerXAnchor: NSLayoutConstraint?
+    private var centerYAnchor: NSLayoutConstraint?
+
+
     init(view: UIView, offset: CGFloat = 0, delegate: NCEmptyDataSetDelegate?) {
         super.init()
 
@@ -63,16 +67,25 @@ class NCEmptyDataSet: NSObject {
 
             emptyView.widthAnchor.constraint(equalToConstant: 350).isActive = true
             emptyView.heightAnchor.constraint(equalToConstant: 250).isActive = true
+
             if let view = view.superview {
-                emptyView.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
-                emptyView.centerYAnchor.constraint(equalTo: view.centerYAnchor, constant: offset).isActive = true
+                centerXAnchor = emptyView.centerXAnchor.constraint(equalTo: view.centerXAnchor)
+                centerYAnchor = emptyView.centerYAnchor.constraint(equalTo: view.centerYAnchor, constant: offset)
             } else {
-                emptyView.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
-                emptyView.centerYAnchor.constraint(equalTo: view.centerYAnchor, constant: offset).isActive = true
+                centerXAnchor = emptyView.centerXAnchor.constraint(equalTo: view.centerXAnchor)
+                centerYAnchor = emptyView.centerYAnchor.constraint(equalTo: view.centerYAnchor, constant: offset)
             }
+
+            centerXAnchor?.isActive = true
+            centerYAnchor?.isActive = true
         }
     }
 
+    func setOffset(_ offset: CGFloat) {
+
+        centerYAnchor?.constant = offset
+    }
+
     func numberOfItemsInSection(_ num: Int, section: Int) {
 
         if section == 0 {

iOSClient/Main/Collection Common/NCCollectionViewCommon.swift

@@ -709,6 +709,7 @@ class NCCollectionViewCommon: UIViewController, UIGestureRecognizerDelegate, UIS
 
     func emptyDataSetView(_ view: NCEmptyView) {
 
+        self.emptyDataSet?.setOffset(getHeaderHeight())
         if isSearching {
             view.emptyImage.image = UIImage(named: "search")?.image(color: .gray, size: UIScreen.main.bounds.width)
             if isReloadDataSourceNetworkInProgress {