fix iPhone 8

iOSClient/AppDelegate.m

@@ -737,6 +737,11 @@ PKPushRegistry *pushRegistry;
 {
     UITabBarItem *item;
     NSLayoutConstraint *constraint;
+    CGFloat safeAreaBottom = 0;
+    
+    if (@available(iOS 11, *)) {
+        safeAreaBottom = [UIApplication sharedApplication].delegate.window.safeAreaInsets.bottom;
+    }
    
     // File
     item = [tabBarController.tabBar.items objectAtIndex: k_tabBarApplicationIndexFile];
@@ -779,21 +784,36 @@ PKPushRegistry *pushRegistry;
     [buttonPlus setTranslatesAutoresizingMaskIntoConstraints:NO];
     [tabBarController.tabBar addSubview:buttonPlus];
     
-    // X
-    constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:tabBarController.tabBar attribute:NSLayoutAttributeCenterX multiplier:1.0 constant:0];
-    [tabBarController.view addConstraint:constraint];
-    
-    // Y
-    constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:tabBarController.tabBar attribute:NSLayoutAttributeTop multiplier:1.0 constant:5];
-    [tabBarController.view addConstraint:constraint];
-
-    // Width
-    constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:nil attribute:0 multiplier:1.0 constant:40];
-    [tabBarController.view addConstraint:constraint];
-    
-    // Height
-    constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:0 multiplier:1.0 constant:40];
-    [tabBarController.view addConstraint:constraint];
+    if (safeAreaBottom > 0) {
+        
+        // X
+        constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:tabBarController.tabBar attribute:NSLayoutAttributeCenterX multiplier:1.0 constant:0];
+        [tabBarController.view addConstraint:constraint];
+        // Y
+        constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:tabBarController.tabBar attribute:NSLayoutAttributeTop multiplier:1.0 constant:5];
+        [tabBarController.view addConstraint:constraint];
+        // Width
+        constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:nil attribute:0 multiplier:1.0 constant:40];
+        [tabBarController.view addConstraint:constraint];
+        // Height
+        constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:0 multiplier:1.0 constant:40];
+        [tabBarController.view addConstraint:constraint];
+        
+    } else {
+        
+        // X
+        constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:tabBarController.tabBar attribute:NSLayoutAttributeCenterX multiplier:1.0 constant:0];
+        [tabBarController.view addConstraint:constraint];
+        // Y
+        constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:tabBarController.tabBar attribute:NSLayoutAttributeCenterY multiplier:1.0 constant:0];
+        [tabBarController.view addConstraint:constraint];
+        // Width
+        constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:nil attribute:0 multiplier:1.0 constant:33];
+        [tabBarController.view addConstraint:constraint];
+        // Height
+        constraint = [NSLayoutConstraint constraintWithItem:buttonPlus attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:0 multiplier:1.0 constant:33];
+        [tabBarController.view addConstraint:constraint];
+    }
 }
 
 - (void)plusButtonVisibile:(BOOL)visible