diff --git a/app/src/main/res/layout/activity_edit.xml b/app/src/main/res/layout/activity_edit.xml
index 27a8ba280..7cd5c32f2 100644
--- a/app/src/main/res/layout/activity_edit.xml
+++ b/app/src/main/res/layout/activity_edit.xml
@@ -4,8 +4,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/coordinator_layout"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:background="@android:color/black">
+    android:layout_height="match_parent">
 
     <com.theartofdev.edmodo.cropper.CropImageView
         android:id="@+id/crop_image_view"
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 6d462dfb0..c2debc26e 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <android.support.design.widget.CoordinatorLayout
-    android:id="@+id/coordinator_layout"
     xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/coordinator_layout"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:background="@android:color/black">
+    android:layout_height="match_parent">
 
     <android.support.v4.widget.SwipeRefreshLayout
         android:id="@+id/directories_holder"
diff --git a/app/src/main/res/layout/activity_media.xml b/app/src/main/res/layout/activity_media.xml
index aa6227314..ef27a2d8f 100644
--- a/app/src/main/res/layout/activity_media.xml
+++ b/app/src/main/res/layout/activity_media.xml
@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <android.support.design.widget.CoordinatorLayout
-    android:id="@+id/coordinator_layout"
     xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/coordinator_layout"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:background="@android:color/black">
+    android:layout_height="match_parent">
 
     <android.support.v4.widget.SwipeRefreshLayout
         android:id="@+id/media_holder"
diff --git a/app/src/main/res/layout/activity_medium.xml b/app/src/main/res/layout/activity_medium.xml
index d3240bdd9..b3af60dac 100644
--- a/app/src/main/res/layout/activity_medium.xml
+++ b/app/src/main/res/layout/activity_medium.xml
@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout
-    android:id="@+id/fragment_holder"
     xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/fragment_holder"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:background="@android:color/black">
+    android:layout_height="match_parent">
 
     <com.simplemobiletools.gallery.MyViewPager
         android:id="@+id/view_pager"
diff --git a/app/src/main/res/layout/activity_set_wallpaper.xml b/app/src/main/res/layout/activity_set_wallpaper.xml
index 27a8ba280..7cd5c32f2 100644
--- a/app/src/main/res/layout/activity_set_wallpaper.xml
+++ b/app/src/main/res/layout/activity_set_wallpaper.xml
@@ -4,8 +4,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/coordinator_layout"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:background="@android:color/black">
+    android:layout_height="match_parent">
 
     <com.theartofdev.edmodo.cropper.CropImageView
         android:id="@+id/crop_image_view"
diff --git a/app/src/main/res/layout/fragment_holder.xml b/app/src/main/res/layout/fragment_holder.xml
index c7a676289..9a0863df0 100644
--- a/app/src/main/res/layout/fragment_holder.xml
+++ b/app/src/main/res/layout/fragment_holder.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout
-    android:id="@+id/fragment_holder"
     xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/fragment_holder"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:background="@android:color/black"/>
+    android:layout_height="match_parent"/>
diff --git a/app/src/main/res/layout/pager_photo_item.xml b/app/src/main/res/layout/pager_photo_item.xml
index 9810a621f..bf7420d63 100644
--- a/app/src/main/res/layout/pager_photo_item.xml
+++ b/app/src/main/res/layout/pager_photo_item.xml
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout
-    android:id="@+id/photo_holder"
     xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/photo_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
     <com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
-        android:id="@+id/photo_view"
         xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/photo_view"
         android:layout_width="match_parent"
         android:layout_height="match_parent"/>
 
diff --git a/app/src/main/res/layout/pager_video_item.xml b/app/src/main/res/layout/pager_video_item.xml
index 6365fe408..820e022f8 100644
--- a/app/src/main/res/layout/pager_video_item.xml
+++ b/app/src/main/res/layout/pager_video_item.xml
@@ -2,8 +2,7 @@
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                 android:id="@+id/video_holder"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:background="@android:color/black">
+                android:layout_height="match_parent">
 
     <SurfaceView
         android:id="@+id/video_surface"
diff --git a/app/src/main/res/layout/photo_video_item.xml b/app/src/main/res/layout/photo_video_item.xml
index 941a6cfa8..714400fce 100644
--- a/app/src/main/res/layout/photo_video_item.xml
+++ b/app/src/main/res/layout/photo_video_item.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout
-    android:id="@+id/media_item_holder"
     xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/media_item_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
diff --git a/app/src/main/res/layout/photo_video_tmb.xml b/app/src/main/res/layout/photo_video_tmb.xml
index 5abd9b300..0c2c92d22 100644
--- a/app/src/main/res/layout/photo_video_tmb.xml
+++ b/app/src/main/res/layout/photo_video_tmb.xml
@@ -2,8 +2,8 @@
 <merge>
 
     <FrameLayout
-        android:id="@+id/medium_thumbnail_holder"
         xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/medium_thumbnail_holder"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:foreground="@drawable/selector">
diff --git a/app/src/main/res/layout/rename_directory.xml b/app/src/main/res/layout/rename_directory.xml
index c3e436b62..c39ae088b 100644
--- a/app/src/main/res/layout/rename_directory.xml
+++ b/app/src/main/res/layout/rename_directory.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout android:id="@+id/rename_directory_holder"
-              xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:id="@+id/rename_directory_holder"
               android:layout_width="match_parent"
               android:layout_height="match_parent"
               android:orientation="vertical"
diff --git a/app/src/main/res/layout/rename_file.xml b/app/src/main/res/layout/rename_file.xml
index 6de6a46c8..9403fdd99 100644
--- a/app/src/main/res/layout/rename_file.xml
+++ b/app/src/main/res/layout/rename_file.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout android:id="@+id/rename_file_holder"
-              xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:id="@+id/rename_file_holder"
               android:layout_width="match_parent"
               android:layout_height="match_parent"
               android:orientation="vertical"