Made StatusBarController themeable

Sources/iOS/Material+UIColor.swift

@@ -98,4 +98,24 @@ internal extension UIColor {
     
     
     return UIColor(red: newR, green: newG, blue: newB, alpha: newA)
     return UIColor(red: newR, green: newG, blue: newB, alpha: newA)
   }
   }
+  
+  
+  func adjustingBrightness(by value: CGFloat) -> UIColor {
+    var h: CGFloat = 0
+    var s: CGFloat = 0
+    var b: CGFloat = 0
+    var a: CGFloat = 0
+    
+    getHue(&h, saturation: &s, brightness: &b, alpha: &a)
+    
+    return UIColor(hue: h, saturation: s, brightness: (b + value).clamp(0, 1), alpha: 1)
+  }
+  
+  var lighter: UIColor {
+    return adjustingBrightness(by: 0.05)
+  }
+  
+  var darker: UIColor {
+    return adjustingBrightness(by: -0.05)
+  }
 }
 }

Sources/iOS/StatusBarController.swift

@@ -120,6 +120,12 @@ open class StatusBarController: TransitionController {
     super.prepare()
     super.prepare()
     prepareStatusBar()
     prepareStatusBar()
   }
   }
+  
+  open override func apply(theme: Theme) {
+    super.apply(theme: theme)
+    
+    statusBar.backgroundColor = theme.primary.darker
+  }
 }
 }
 
 
 fileprivate extension StatusBarController {
 fileprivate extension StatusBarController {