From 388a6dd2c14e215946c9c18fdc2cde770bca5e1f Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Sun, 4 Dec 2016 23:11:41 +0100
Subject: [PATCH] fix fullscreen toggle on some devices

---
 .../gallery/activities/ViewPagerActivity.kt         | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt
index 0b7a2728f..af089265c 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt
@@ -76,6 +76,7 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
         mPos = 0
         mIsFullScreen = false
         mMedia = ArrayList<Medium>()
+        showSystemUI()
 
         mDirectory = File(mPath).parent
         title = mPath.getFilenameFromPath()
@@ -308,11 +309,13 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
     }
 
     override fun onSystemUiVisibilityChange(visibility: Int) {
-        if (visibility and View.SYSTEM_UI_FLAG_FULLSCREEN == 0) {
-            mIsFullScreen = false
-        }
+        view_pager.adapter?.apply {
+            if (visibility and View.SYSTEM_UI_FLAG_FULLSCREEN == 0) {
+                mIsFullScreen = false
+                showSystemUI()
+            }
 
-        val adapter = view_pager.adapter as MyPagerAdapter
-        adapter.updateUiVisibility(mIsFullScreen, mPos)
+            (this as MyPagerAdapter).updateUiVisibility(mIsFullScreen, mPos)
+        }
     }
 }