From f4c81cf2a280e80512c53019387a719c828e703c Mon Sep 17 00:00:00 2001
From: baheroff <danikdsbaherov@gmail.com>
Date: Fri, 25 Oct 2024 13:11:16 +0300
Subject: [PATCH] fix crash on not initialized viewControllerClass field

---
 .../fragments/ViewControllerFragment.kt               | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/navigation-viewcontroller/src/main/java/ru/touchin/roboswag/navigation_viewcontroller/fragments/ViewControllerFragment.kt b/navigation-viewcontroller/src/main/java/ru/touchin/roboswag/navigation_viewcontroller/fragments/ViewControllerFragment.kt
index 053f9a9..3884ead 100644
--- a/navigation-viewcontroller/src/main/java/ru/touchin/roboswag/navigation_viewcontroller/fragments/ViewControllerFragment.kt
+++ b/navigation-viewcontroller/src/main/java/ru/touchin/roboswag/navigation_viewcontroller/fragments/ViewControllerFragment.kt
@@ -80,7 +80,8 @@ open class ViewControllerFragment<TActivity : FragmentActivity, TState : Parcela
 
     lateinit var state: TState private set
 
-    lateinit var viewControllerClass: Class<ViewController<TActivity, TState>> private set
+    var viewControllerClass: Class<ViewController<TActivity, TState>>? = null
+        private set
 
     private var viewController: ViewController<out TActivity, out TState>? = null
 
@@ -241,14 +242,14 @@ open class ViewControllerFragment<TActivity : FragmentActivity, TState : Parcela
             creationContext: ViewController.CreationContext,
             savedInstanceState: Bundle?
     ): ViewController<out TActivity, out TState> {
-        if (viewControllerClass.constructors.size != 1) {
+        if (viewControllerClass?.constructors?.size != 1) {
             throw IllegalStateException("There should be single constructor for $viewControllerClass")
         }
-        val constructor = viewControllerClass.constructors[0]
-        return when (constructor.parameterTypes.size) {
+        val constructor = viewControllerClass?.constructors?.get(0)
+        return when (constructor?.parameterTypes?.size) {
             1 -> constructor.newInstance(creationContext)
             2 -> constructor.newInstance(creationContext, savedInstanceState)
-            else -> throw IllegalArgumentException("Wrong constructor parameters count: ${constructor.parameterTypes.size}")
+            else -> throw IllegalArgumentException("Wrong constructor parameters count: ${constructor?.parameterTypes?.size}")
         } as ViewController<out TActivity, out TState>
     }
 
-- 
2.40.1