use black status bar at fullscreen media when set so

app/build.gradle

@@ -43,7 +43,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.2.19'
+    implementation 'com.simplemobiletools:commons:3.3.1'
     implementation 'com.davemorrissey.labs:subsampling-scale-image-view:3.9.0'
     implementation 'com.theartofdev.edmodo:android-image-cropper:2.4.0'
     implementation 'com.android.support:multidex:1.0.2'

app/src/main/kotlin/com/simplemobiletools/gallery/activities/PhotoVideoActivity.kt

@@ -89,7 +89,7 @@ open class PhotoVideoActivity : SimpleActivity(), ViewPagerFragment.FragmentList
             supportFragmentManager.beginTransaction().replace(R.id.fragment_holder, mFragment).commit()
         }
 
-        if (config.darkBackground) {
+        if (config.blackBackground) {
             fragment_holder.background = ColorDrawable(Color.BLACK)
         }
 
@@ -102,6 +102,9 @@ open class PhotoVideoActivity : SimpleActivity(), ViewPagerFragment.FragmentList
     override fun onResume() {
         super.onResume()
         supportActionBar?.setBackgroundDrawable(resources.getDrawable(R.drawable.actionbar_gradient_background))
+        if (config.blackBackground) {
+            updateStatusbarColor(Color.BLACK)
+        }
     }
 
     private fun sendViewPagerIntent(path: String) {

app/src/main/kotlin/com/simplemobiletools/gallery/activities/SettingsActivity.kt

@@ -148,10 +148,10 @@ class SettingsActivity : SimpleActivity() {
     }
 
     private fun setupDarkBackground() {
-        settings_dark_background.isChecked = config.darkBackground
+        settings_black_background.isChecked = config.blackBackground
-        settings_dark_background_holder.setOnClickListener {
+        settings_black_background_holder.setOnClickListener {
-            settings_dark_background.toggle()
+            settings_black_background.toggle()
-            config.darkBackground = settings_dark_background.isChecked
+            config.blackBackground = settings_black_background.isChecked
         }
     }
 

app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt

@@ -116,6 +116,10 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
 
         setupRotation()
         invalidateOptionsMenu()
+
+        if (config.blackBackground) {
+            updateStatusbarColor(Color.BLACK)
+        }
     }
 
     override fun onPause() {
@@ -198,8 +202,9 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
         reloadViewPager()
         scanPath(mPath)
 
-        if (config.darkBackground)
+        if (config.blackBackground) {
             view_pager.background = ColorDrawable(Color.BLACK)
+        }
 
         if (config.hideSystemUI)
             fragmentClicked()

app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt

@@ -252,7 +252,7 @@ class PhotoFragment : ViewPagerFragment() {
                     }
 
                     override fun onReady() {
-                        background = ColorDrawable(if (context.config.darkBackground) Color.BLACK else context.config.backgroundColor)
+                        background = ColorDrawable(if (context.config.blackBackground) Color.BLACK else context.config.backgroundColor)
                         setDoubleTapZoomScale(getDoubleTapZoomScale(sWidth, sHeight))
                     }
 

app/src/main/kotlin/com/simplemobiletools/gallery/helpers/Config.kt

@@ -156,7 +156,7 @@ class Config(context: Context) : BaseConfig(context) {
         get() = prefs.getBoolean(DISPLAY_FILE_NAMES, false)
         set(display) = prefs.edit().putBoolean(DISPLAY_FILE_NAMES, display).apply()
 
-    var darkBackground: Boolean
+    var blackBackground: Boolean
         get() = prefs.getBoolean(DARK_BACKGROUND, false)
         set(darkBackground) = prefs.edit().putBoolean(DARK_BACKGROUND, darkBackground).apply()
 

app/src/main/res/layout/activity_settings.xml

@@ -209,7 +209,7 @@
         </RelativeLayout>
 
         <RelativeLayout
-            android:id="@+id/settings_dark_background_holder"
+            android:id="@+id/settings_black_background_holder"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
@@ -217,7 +217,7 @@
             android:padding="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
-                android:id="@+id/settings_dark_background"
+                android:id="@+id/settings_black_background"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:background="@null"