From 7854f75f22d3c74ddbd2c3b53d686737435e0c94 Mon Sep 17 00:00:00 2001
From: Tibor Kaputa <tibor@gruveo.com>
Date: Fri, 18 Nov 2016 14:32:53 +0100
Subject: [PATCH] make fragment click listener nullable

---
 .../simplemobiletools/gallery/fragments/PhotoFragment.kt    | 2 +-
 .../simplemobiletools/gallery/fragments/VideoFragment.kt    | 6 +++++-
 .../gallery/fragments/ViewPagerFragment.kt                  | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt
index db6c9fd27..c8154e76a 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt
@@ -66,6 +66,6 @@ class PhotoFragment : ViewPagerFragment(), View.OnClickListener {
         if (listener == null)
             listener = activity as ViewPagerFragment.FragmentClickListener
 
-        listener.fragmentClicked()
+        listener?.fragmentClicked()
     }
 }
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/VideoFragment.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/VideoFragment.kt
index 6c1f9070c..b99a94cf9 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/VideoFragment.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/VideoFragment.kt
@@ -161,7 +161,11 @@ class VideoFragment : ViewPagerFragment(), View.OnClickListener, SurfaceHolder.C
             else -> {
                 mIsFullscreen = !mIsFullscreen
                 checkFullscreen()
-                listener.fragmentClicked()
+
+                if (listener == null)
+                    listener = activity as ViewPagerFragment.FragmentClickListener
+
+                listener?.fragmentClicked()
             }
         }
     }
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/ViewPagerFragment.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/ViewPagerFragment.kt
index 5ad715668..0fcdd8607 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/ViewPagerFragment.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/ViewPagerFragment.kt
@@ -3,7 +3,7 @@ package com.simplemobiletools.gallery.fragments
 import android.support.v4.app.Fragment
 
 abstract class ViewPagerFragment : Fragment() {
-    lateinit var listener: FragmentClickListener
+    var listener: FragmentClickListener? = null
 
     abstract fun itemDragged()