From ab8caabd1576b7bcc5c29dfc69bf6b2797144058 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Paczos?= <lukas.paczos@gmail.com>
Date: Wed, 15 May 2019 16:03:18 +0200
Subject: [android] fix FragmentBackStackActivity navigation

---
 .../testapp/activity/fragment/FragmentBackStackActivity.kt     | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/FragmentBackStackActivity.kt b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/FragmentBackStackActivity.kt
index febe17a701..a642ebe594 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/FragmentBackStackActivity.kt
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/FragmentBackStackActivity.kt
@@ -45,8 +45,12 @@ class FragmentBackStackActivity : AppCompatActivity() {
   }
 
   override fun onBackPressed() {
-    // activity uses singleInstance for testing purposes
-    // code below provides a default navigation when using the app
-    NavUtils.navigateHome(this)
+    if (supportFragmentManager.backStackEntryCount == 0) {
+      // activity uses singleInstance for testing purposes
+      // code below provides a default navigation when using the app
+      NavUtils.navigateHome(this)
+    } else {
+      super.onBackPressed()
+    }
   }
 }
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