Fixes tint colors not dimming when presenting alerts

AltStore/LaunchViewController.swift

@@ -11,6 +11,8 @@ import Roxas
 
 class LaunchViewController: RSTLaunchViewController
 {
+    private var didFinishLaunching = false
+    
     override var launchConditions: [RSTLaunchCondition] {
         let isDatabaseStarted = RSTLaunchCondition(condition: { DatabaseManager.shared.isStarted }) { (completionHandler) in
             DatabaseManager.shared.start(completionHandler: completionHandler)
@@ -18,6 +20,14 @@ class LaunchViewController: RSTLaunchViewController
 
         return [isDatabaseStarted]
     }
+    
+    override var childForStatusBarStyle: UIViewController? {
+        return self.children.first
+    }
+    
+    override var childForStatusBarHidden: UIViewController? {
+        return self.children.first
+    }
 }
 
 extension LaunchViewController
@@ -44,9 +54,24 @@ extension LaunchViewController
     {
         super.finishLaunching()
         
+        guard !self.didFinishLaunching else { return }
+        
         AppManager.shared.update()
         PatreonAPI.shared.refreshPatreonAccount()
         
-        self.performSegue(withIdentifier: "finishLaunching", sender: nil)
+        // Add view controller as child (rather than presenting modally)
+        // so tint adjustment + card presentations works correctly.
+        let viewController = self.storyboard!.instantiateViewController(withIdentifier: "tabBarController") as! TabBarController
+        viewController.view.frame = CGRect(x: 0, y: 0, width: self.view.bounds.width, height: self.view.bounds.height)
+        viewController.view.alpha = 0.0
+        self.addChild(viewController)
+        self.view.addSubview(viewController.view, pinningEdgesWith: .zero)
+        viewController.didMove(toParent: self)
+        
+        UIView.animate(withDuration: 0.2) {
+            viewController.view.alpha = 1.0
+        }
+        
+        self.didFinishLaunching = true
     }
 }