From 53261310a265a5181b487945b4d2fa2bb1197fee Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Tue, 6 Jun 2017 22:30:55 +0200
Subject: [PATCH] properly reuse thumbnails media list at fullscreen view

---
 app/build.gradle                                          | 2 +-
 .../gallery/activities/ViewPagerActivity.kt               | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/app/build.gradle b/app/build.gradle
index c5edcbb4f..810c0c42f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,7 +32,7 @@ android {
 }
 
 dependencies {
-    compile 'com.simplemobiletools:commons:2.19.5'
+    compile 'com.simplemobiletools:commons:2.19.9'
     compile 'com.davemorrissey.labs:subsampling-scale-image-view:3.6.0'
     compile 'com.theartofdev.edmodo:android-image-cropper:2.4.0'
     compile 'com.bignerdranch.android:recyclerview-multiselect:0.2'
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 a91695969..fbd122166 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt
@@ -51,6 +51,7 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
     private var mShowAll = false
     private var mRotationDegrees = 0f
     private var mLastHandledOrientation = 0
+    private var mPrevHashcode = 0
 
     companion object {
         var screenWidth = 0
@@ -94,14 +95,14 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
             config.temporarilyShowHidden = true
         }
 
-        mMedia = ArrayList<Medium>()
         showSystemUI()
 
         mDirectory = File(mPath).parent
         title = mPath.getFilenameFromPath()
 
-        if (mMedia.isNotEmpty())
+        if (mMedia.isNotEmpty()) {
             gotMedia(mMedia)
+        }
 
         reloadViewPager()
         scanPath(mPath) {}
@@ -433,10 +434,11 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
     }
 
     private fun gotMedia(media: ArrayList<Medium>) {
-        if (isDirEmpty(media) || mMedia.hashCode() == media.hashCode()) {
+        if (isDirEmpty(media) || media.hashCode() == mPrevHashcode) {
             return
         }
 
+        mPrevHashcode = media.hashCode()
         mMedia = media
         if (mPos == -1) {
             mPos = getProperPosition()