From 98ce1556f8970653b5625815ee544a076bcee1fa Mon Sep 17 00:00:00 2001
From: Maxim Bachinsky <maxim.bachinsky@touchin.ru>
Date: Thu, 9 Jul 2020 14:31:38 +0300
Subject: [PATCH] add back navigation handling

---
 .../roboswag/navigation_cicerone/flow/FlowFragment.kt      | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/navigation-cicerone/src/main/java/ru/touchin/roboswag/navigation_cicerone/flow/FlowFragment.kt b/navigation-cicerone/src/main/java/ru/touchin/roboswag/navigation_cicerone/flow/FlowFragment.kt
index 239c943..221e72a 100644
--- a/navigation-cicerone/src/main/java/ru/touchin/roboswag/navigation_cicerone/flow/FlowFragment.kt
+++ b/navigation-cicerone/src/main/java/ru/touchin/roboswag/navigation_cicerone/flow/FlowFragment.kt
@@ -2,6 +2,7 @@ package ru.touchin.roboswag.navigation_cicerone.flow
 
 import android.os.Bundle
 import android.view.View
+import androidx.activity.OnBackPressedCallback
 import androidx.fragment.app.Fragment
 import ru.terrakok.cicerone.NavigatorHolder
 import ru.terrakok.cicerone.Router
@@ -40,6 +41,12 @@ abstract class FlowFragment : Fragment(R.layout.fragment_flow) {
                         fragmentManager = childFragmentManager
                 )
         )
+
+        requireActivity().onBackPressedDispatcher.addCallback(object : OnBackPressedCallback(true) {
+            override fun handleOnBackPressed() {
+                router.exit()
+            }
+        })
     }
 
     abstract fun getLaunchScreen(): SupportAppScreen