diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a2b5742e75..0308bafc02 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -28,7 +28,8 @@
         </activity>
         <activity
             android:name=".ui.reader.ReaderActivity"
-            android:parentActivityName=".ui.manga.MangaActivity" >
+            android:parentActivityName=".ui.manga.MangaActivity"
+            android:hardwareAccelerated="true">
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"
                 android:value=".ui.manga.MangaActivity" />
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java
index cea52c4e1d..a54154c76e 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java
@@ -77,14 +77,13 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
         if (savedState != null && readerMenu.showing)
             readerMenu.show(false);
 
-        enableHardwareAcceleration();
-
         initializeSettings();
     }
 
     @Override
     protected void onDestroy() {
         readerMenu.destroy();
+        viewer.destroy();
         super.onDestroy();
     }
 
@@ -97,7 +96,6 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
     @Override
     protected void onPause() {
         getPresenter().setCurrentPage(viewer.getCurrentPosition());
-        viewer.destroySubscriptions();
         super.onPause();
     }
 
@@ -107,13 +105,9 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
         super.onSaveInstanceState(outState);
     }
 
-    private void createUiHideFlags(boolean statusBarHidden) {
-        uiFlags = 0;
-        uiFlags |= View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
-        if (statusBarHidden)
-            uiFlags |= View.SYSTEM_UI_FLAG_FULLSCREEN;
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
-            uiFlags |= View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
+    public void onChapterError() {
+        finish();
+        ToastUtil.showShort(this, R.string.page_list_error);
     }
 
     public void onChapterReady(List<Page> pages, Manga manga, Chapter chapter) {
@@ -123,47 +117,6 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
         readerMenu.onChapterReady(pages.size(), manga, chapter);
     }
 
-    public void onChapterError() {
-        finish();
-        ToastUtil.showShort(this, R.string.page_list_error);
-    }
-
-    public void onPageChanged(int currentPageIndex, int totalPages) {
-        String page = (currentPageIndex + 1) + "/" + totalPages;
-        pageNumber.setText(page);
-        readerMenu.onPageChanged(currentPageIndex);
-    }
-
-    public void setSelectedPage(int pageIndex) {
-        viewer.setSelectedPage(pageIndex);
-    }
-
-    public void setSystemUiVisibility() {
-        getWindow().getDecorView().setSystemUiVisibility(uiFlags);
-    }
-
-    public void enableHardwareAcceleration() {
-        getWindow().setFlags(
-                WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
-                WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
-    }
-
-    public boolean onImageSingleTap(MotionEvent motionEvent) {
-        return viewer.onImageTouch(motionEvent);
-    }
-
-    public void onCenterSingleTap() {
-        readerMenu.toggle();
-    }
-
-    public ViewGroup getContainer() {
-        return container;
-    }
-
-    public PreferencesHelper getPreferences() {
-        return preferences;
-    }
-
     private BaseReader createViewer(Manga manga) {
         int mangaViewer = manga.viewer == 0 ? preferences.getDefaultViewer() : manga.viewer;
 
@@ -179,6 +132,24 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
         }
     }
 
+    public void onPageChanged(int currentPageIndex, int totalPages) {
+        String page = (currentPageIndex + 1) + "/" + totalPages;
+        pageNumber.setText(page);
+        readerMenu.onPageChanged(currentPageIndex);
+    }
+
+    public void setSelectedPage(int pageIndex) {
+        viewer.setSelectedPage(pageIndex);
+    }
+
+    public boolean onImageSingleTap(MotionEvent motionEvent) {
+        return viewer.onImageTouch(motionEvent);
+    }
+
+    public void onCenterSingleTap() {
+        readerMenu.toggle();
+    }
+
     private void initializeSettings() {
         subscriptions.add(preferences.showPageNumber()
                 .asObservable()
@@ -226,11 +197,6 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
         pageNumber.setVisibility(visible ? View.VISIBLE : View.INVISIBLE);
     }
 
-    private void setStatusBarVisibility(boolean hidden) {
-        createUiHideFlags(hidden);
-        setSystemUiVisibility();
-    }
-
     private void setKeepScreenOn(boolean enabled) {
         if (enabled) {
             getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
@@ -238,10 +204,36 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
             getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
         }
     }
-    
+
+    private void setStatusBarVisibility(boolean hidden) {
+        createUiHideFlags(hidden);
+        setSystemUiVisibility();
+    }
+
+    private void createUiHideFlags(boolean statusBarHidden) {
+        uiFlags = 0;
+        uiFlags |= View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
+        if (statusBarHidden)
+            uiFlags |= View.SYSTEM_UI_FLAG_FULLSCREEN;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
+            uiFlags |= View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
+    }
+
+    public void setSystemUiVisibility() {
+        getWindow().getDecorView().setSystemUiVisibility(uiFlags);
+    }
+
     protected void setMangaDefaultViewer(int viewer) {
         getPresenter().updateMangaViewer(viewer);
         recreate();
     }
 
+    public ViewGroup getContainer() {
+        return container;
+    }
+
+    public PreferencesHelper getPreferences() {
+        return preferences;
+    }
+
 }
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/base/BaseReader.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/base/BaseReader.java
index 070ff3cab7..293c67236b 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/base/BaseReader.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/base/BaseReader.java
@@ -43,7 +43,7 @@ public abstract class BaseReader {
         activity.getPresenter().loadPreviousChapter();
     }
 
-    public void destroySubscriptions() {}
+    public void destroy() {}
 
     public abstract int getTotalPages();
     public abstract void setSelectedPage(int pageNumber);
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/HorizontalReader.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/HorizontalReader.java
index 8670c8b263..75cd304b63 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/HorizontalReader.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/HorizontalReader.java
@@ -90,7 +90,7 @@ public abstract class HorizontalReader extends BaseReader {
     }
 
     @Override
-    public void destroySubscriptions() {
+    public void destroy() {
         transitionsSubscription.unsubscribe();
     }
 
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/webtoon/WebtoonReader.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/webtoon/WebtoonReader.java
index a5d63bfc50..2cc591a8fd 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/webtoon/WebtoonReader.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/webtoon/WebtoonReader.java
@@ -100,7 +100,7 @@ public class WebtoonReader extends BaseReader {
     }
 
     @Override
-    public void destroySubscriptions() {
+    public void destroy() {
         if (subscription != null && !subscription.isUnsubscribed())
             subscription.unsubscribe();
     }