Reader PR (with vertical sidebar) (#216)

* Reader PR

* Dealt with conflicts + updates

* Adeed missing import

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt

@@ -25,6 +25,10 @@ object PreferenceKeys {
 
     const val showPageNumber = "pref_show_page_number_key"
 
+    const val landscapeVerticalSeekbar = "pref_show_vert_seekbar_landscape"
+
+    const val leftVerticalSeekbar = "pref_left_handed_vertical_seekbar"
+
     const val dualPageSplit = "pref_dual_page_split"
 
     const val dualPageInvert = "pref_dual_page_invert"

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt

@@ -460,4 +460,8 @@ class PreferencesHelper(val context: Context) {
     fun extensionRepos() = flowPrefs.getStringSet(Keys.extensionRepos, emptySet())
 
     fun cropBordersContinuesVertical() = flowPrefs.getBoolean(Keys.cropBordersContinuesVertical, false)
+
+    fun landscapeVerticalSeekbar() = flowPrefs.getBoolean(Keys.landscapeVerticalSeekbar, false)
+
+    fun leftVerticalSeekbar() = flowPrefs.getBoolean(Keys.leftVerticalSeekbar, false)
 }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -6,6 +6,7 @@ import android.app.ProgressDialog
 import android.content.ClipData
 import android.content.Context
 import android.content.Intent
+import android.content.res.Configuration
 import android.graphics.Bitmap
 import android.graphics.Color
 import android.os.Build
@@ -17,6 +18,7 @@ import android.view.View
 import android.view.WindowManager
 import android.view.animation.Animation
 import android.view.animation.AnimationUtils
+import android.widget.RelativeLayout
 import android.widget.SeekBar
 import android.widget.Toast
 import androidx.core.view.ViewCompat
@@ -387,36 +389,81 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
             }
         }
 
+        // SY -->
         // Init listeners on bottom menu
-        binding.pageSeekbar.setOnSeekBarChangeListener(
+        val listener = object : SimpleSeekBarListener() {
-            object : SimpleSeekBarListener() {
+            override fun onProgressChanged(seekBar: SeekBar, value: Int, fromUser: Boolean) {
-                override fun onProgressChanged(seekBar: SeekBar, value: Int, fromUser: Boolean) {
+                if (viewer != null && fromUser) {
-                    if (viewer != null && fromUser) {
+                    moveToPageIndex(value)
-                        moveToPageIndex(value)
-                    }
-                }
-            }
-        )
-
-        // Extra menu buttons
-
-        binding.leftChapter.setOnClickListener {
-            if (viewer != null) {
-                if (viewer is R2LPagerViewer) {
-                    loadNextChapter()
-                } else {
-                    loadPreviousChapter()
                 }
             }
         }
-        binding.rightChapter.setOnClickListener {
+        listOf(binding.pageSeekbar, binding.pageSeekbarVert)
-            if (viewer != null) {
+            .forEach {
-                if (viewer is R2LPagerViewer) {
+                it.setOnSeekBarChangeListener(listener)
-                    loadPreviousChapter()
-                } else {
-                    loadNextChapter()
-                }
             }
+        // SY <--
+
+        // Extra menu buttons
+
+        // SY -->
+        listOf(binding.leftChapter, binding.aboveChapter).forEach {
+            it.clicks()
+                .onEach {
+                    if (viewer != null) {
+                        if (viewer is R2LPagerViewer) {
+                            loadNextChapter()
+                        } else {
+                            loadPreviousChapter()
+                        }
+                    }
+                }
+                .launchIn(lifecycleScope)
+        }
+        listOf(binding.rightChapter, binding.belowChapter).forEach {
+            it.clicks()
+                .onEach {
+                    if (viewer != null) {
+                        if (viewer is R2LPagerViewer) {
+                            loadPreviousChapter()
+                        } else {
+                            loadNextChapter()
+                        }
+                    }
+                }
+                .launchIn(lifecycleScope)
+        }
+        // SY <--
+
+        /*binding.actionRotation.setOnClickListener {
+            val newOrientation = OrientationType.getNextOrientation(preferences.rotation().get(), resources)
+
+            preferences.rotation().set(newOrientation.prefValue)
+            setOrientation(newOrientation.flag)
+
+            rotationToast?.cancel()
+            rotationToast = toast(newOrientation.stringRes)
+        }
+        preferences.rotation().asImmediateFlow { updateRotationShortcut(it) }
+            .onEach {
+                updateRotationShortcut(it)
+            }
+            .launchIn(lifecycleScope)
+         */
+
+        binding.actionCustomFilter.setOnClickListener {
+            val sheet = ReaderColorFilterSheet(this)
+                // Remove dimmed backdrop so changes can be previewed
+                .apply { window?.setDimAmount(0f) }
+
+            // Hide toolbars while sheet is open for better preview
+            sheet.setOnDismissListener { setMenuVisibility(true) }
+            setMenuVisibility(false)
+
+            sheet.show()
+        }
+        binding.actionSettings.setOnClickListener {
+            ReaderSettingsSheet(this).show()
         }
 
         /*binding.actionRotation.setOnClickListener {
@@ -666,6 +713,14 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
                 binding.header.startAnimation(toolbarAnimation)
                 // EXH <--
 
+                val vertAnimation = AnimationUtils.loadAnimation(this, R.anim.fade_in_side)
+                val vertAnimationLeft = AnimationUtils.loadAnimation(this, R.anim.fade_in_side_left)
+                if (preferences.leftVerticalSeekbar().get() && binding.readerNavVert.isVisible) {
+                    binding.seekbarVertContainer.startAnimation(vertAnimationLeft)
+                } else {
+                    binding.seekbarVertContainer.startAnimation(vertAnimation)
+                }
+
                 val bottomAnimation = AnimationUtils.loadAnimation(this, R.anim.enter_from_bottom)
                 binding.readerMenuBottom.startAnimation(bottomAnimation)
             }
@@ -693,6 +748,14 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
                 binding.header.startAnimation(toolbarAnimation)
                 // EXH <--
 
+                val vertAnimation = AnimationUtils.loadAnimation(this, R.anim.fade_out_side)
+                val vertAnimationLeft = AnimationUtils.loadAnimation(this, R.anim.fade_out_side_left)
+                if (preferences.leftVerticalSeekbar().get() && binding.readerNavVert.isVisible) {
+                    binding.seekbarVertContainer.startAnimation(vertAnimationLeft)
+                } else {
+                    binding.seekbarVertContainer.startAnimation(vertAnimation)
+                }
+
                 val bottomAnimation = AnimationUtils.loadAnimation(this, R.anim.exit_to_bottom)
                 binding.readerMenuBottom.startAnimation(bottomAnimation)
             }
@@ -765,6 +828,31 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
             showReadingModeSnackbar(presenter.getMangaViewer())
         }
 
+        // SY -->
+
+        // --> Vertical seekbar hide on landscape
+
+        if (((resources.configuration.orientation == Configuration.ORIENTATION_LANDSCAPE && preferences.landscapeVerticalSeekbar().get()) || resources.configuration.orientation == Configuration.ORIENTATION_PORTRAIT) && (viewer is WebtoonViewer || viewer is VerticalPagerViewer)) {
+            binding.readerNavVert.isVisible = true
+            binding.readerNavHorz.isVisible = false
+        } else {
+            binding.readerNavVert.isVisible = false
+            binding.readerNavHorz.isVisible = true
+        }
+
+        // <-- Vertical seekbar hide on landscape
+
+        // --> Left-handed vertical seekbar
+
+        val params = binding.readerNavVert.layoutParams as RelativeLayout.LayoutParams
+        if (preferences.leftVerticalSeekbar().get() && binding.readerNavVert.isVisible) {
+            params.removeRule(RelativeLayout.ALIGN_PARENT_END)
+            binding.readerNavVert.layoutParams = params
+        }
+
+        // <-- Left-handed vertical seekbar
+
+        // SY <--
         binding.toolbar.title = manga.title
 
         binding.pageSeekbar.isRTL = newViewer is R2LPagerViewer
@@ -872,8 +960,18 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
             binding.leftPageText.text = "${pages.size}"
         }
 
+        // SY -->
+        binding.abovePageText.text = "${page.number}"
+        binding.belowPageText.text = "${pages.size}"
+        // SY <--
+
         binding.pageSeekbar.max = pages.lastIndex
         binding.pageSeekbar.progress = page.index
+
+        // SY -->
+        binding.pageSeekbarVert.max = pages.lastIndex
+        binding.pageSeekbarVert.progress = page.index
+        // SY <--
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderSettingsSheet.kt

@@ -67,6 +67,8 @@ class ReaderSettingsSheet(private val activity: ReaderActivity) : BaseBottomShee
         binding.rotationMode.bindToPreference(preferences.rotation(), 1)
         binding.backgroundColor.bindToIntPreference(preferences.readerTheme(), R.array.reader_themes_values)
         binding.showPageNumber.bindToPreference(preferences.showPageNumber())
+        binding.landscapeVerticalSeekbar.bindToPreference(preferences.landscapeVerticalSeekbar())
+        binding.leftVerticalSeekbar.bindToPreference(preferences.leftVerticalSeekbar())
         binding.fullscreen.bindToPreference(preferences.fullscreen())
         binding.dualPageSplit.bindToPreference(preferences.dualPageSplit())
         binding.keepscreen.bindToPreference(preferences.keepScreenOn())

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsReaderController.kt

@@ -50,6 +50,18 @@ class SettingsReaderController : SettingsController() {
             summaryRes = R.string.pref_show_reading_mode_summary
             defaultValue = true
         }
+        switchPreference {
+            key = Keys.landscapeVerticalSeekbar
+            titleRes = R.string.pref_show_vert_seekbar_landscape
+            summaryRes = R.string.pref_show_vert_seekbar_landscape_summary
+            defaultValue = false
+        }
+        switchPreference {
+            key = Keys.leftVerticalSeekbar
+            titleRes = R.string.pref_left_handed_vertical_seekbar
+            summaryRes = R.string.pref_left_handed_vertical_seekbar_summary
+            defaultValue = false
+        }
         switchPreference {
             key = Keys.dualPageSplit
             titleRes = R.string.pref_dual_page_split

app/src/main/res/anim/fade_in_side.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <alpha
+        android:duration="175"
+        android:fillAfter="true"
+        android:fromAlpha="0.0"
+        android:interpolator="@android:anim/accelerate_interpolator"
+        android:toAlpha="1.0" />
+
+    <translate
+        android:duration="200"
+        android:fromXDelta="4%"
+        android:interpolator="@android:anim/accelerate_interpolator"
+        android:toXDelta="0%"
+        />
+</set>

app/src/main/res/anim/fade_in_side_left.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <alpha
+        android:duration="175"
+        android:fillAfter="true"
+        android:fromAlpha="0.0"
+        android:interpolator="@android:anim/accelerate_interpolator"
+        android:toAlpha="1.0" />
+
+    <translate
+        android:duration="200"
+        android:fromXDelta="-4%"
+        android:interpolator="@android:anim/accelerate_interpolator"
+        android:toXDelta="0%"
+        />
+</set>

app/src/main/res/anim/fade_out_side.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <alpha
+        android:duration="175"
+        android:fillAfter="true"
+        android:fromAlpha="1.0"
+        android:interpolator="@android:anim/accelerate_interpolator"
+        android:toAlpha="0.0" />
+
+    <translate
+        android:duration="200"
+        android:fromXDelta="0%"
+        android:toXDelta="4%"
+        />
+</set>

app/src/main/res/anim/fade_out_side_left.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <alpha
+        android:duration="175"
+        android:fillAfter="true"
+        android:fromAlpha="1.0"
+        android:interpolator="@android:anim/accelerate_interpolator"
+        android:toAlpha="0.0" />
+
+    <translate
+        android:duration="200"
+        android:fromXDelta="0%"
+        android:interpolator="@android:anim/accelerate_interpolator"
+        android:toXDelta="-4%"
+        />
+</set>

app/src/main/res/drawable/reader_menu_bottom.xml

@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-
-    <corners
-        android:topLeftRadius="10dp"
-        android:topRightRadius="10dp" />
-
-    <solid android:color="?attr/colorPrimary" />
-
-</shape>

app/src/main/res/drawable/readernav_rounded.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <corners android:radius="1000dp" />
-    <solid android:color="?attr/colorPrimary" />
-</shape>

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

@@ -44,7 +44,7 @@
         android:layout_height="match_parent"
         android:visibility="gone" />
 
-    <FrameLayout
+    <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/reader_menu"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
@@ -58,7 +58,10 @@
             android:layout_height="wrap_content"
             android:animateLayoutChanges="true"
             android:background="?attr/colorPrimary"
-            app:elevation="0dp">
+            app:elevation="0dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
 
             <com.google.android.material.appbar.MaterialToolbar
                 android:id="@+id/toolbar"
@@ -150,17 +153,144 @@
                 android:layout_height="wrap_content"
                 android:padding="0dp"
                 app:srcCompat="@drawable/ic_keyboard_arrow_down_white_32dp" />
+
         </com.google.android.material.appbar.AppBarLayout>
 
+        <androidx.constraintlayout.widget.Guideline
+            android:id="@+id/above_guideline"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            app:layout_constraintGuide_percent="0.3"
+            app:layout_constraintTop_toBottomOf="@id/header"/>
+
+        <RelativeLayout
+            android:id="@+id/seekbar_vert_container"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:orientation="horizontal"
+            app:layout_constraintBottom_toTopOf="@id/below_guideline"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/above_guideline"
+            tools:ignore="NotSibling">
+
+            <LinearLayout
+                android:id="@+id/reader_nav_vert"
+                android:layout_width="40dp"
+                android:layout_height="match_parent"
+                android:layout_alignParentEnd="true"
+                android:layout_centerVertical="true"
+                android:layout_marginStart="8dp"
+                android:layout_marginEnd="8dp"
+                android:orientation="vertical"
+                android:gravity="center">
+
+                <ImageButton
+                    android:id="@+id/above_chapter"
+                    android:layout_width="40dp"
+                    android:layout_height="40dp"
+                    android:layout_gravity="center"
+                    android:layout_marginTop="80dp"
+                    android:layout_marginBottom="8dp"
+                    android:background="@drawable/reader_seekbar_button"
+                    android:contentDescription="@string/action_previous_chapter"
+                    android:padding="@dimen/material_layout_keylines_screen_edge_margin"
+                    android:rotation="90"
+                    app:srcCompat="@drawable/ic_skip_previous_24dp"
+                    app:tint="?attr/colorOnPrimary" />
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:background="@drawable/reader_seekbar_background"
+                    android:orientation="vertical">
+
+                    <androidx.constraintlayout.widget.ConstraintLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent">
+
+                        <TextView
+                            android:id="@+id/above_page_text"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:layout_marginTop="12dp"
+                            android:gravity="center"
+                            android:textColor="?attr/colorOnPrimary"
+                            android:textSize="15sp"
+                            app:layout_constraintTop_toTopOf="parent"
+                            app:layout_constraintEnd_toEndOf="parent"
+                            tools:text="1" />
+
+                        <eu.kanade.tachiyomi.ui.reader.ReaderSeekBar
+                            android:id="@+id/page_seekbar_vert"
+                            android:layout_width="0dp"
+                            android:layout_height="match_parent"
+                            android:layout_marginTop="27dp"
+                            android:layout_marginBottom="27dp"
+                            android:layout_gravity="center|top"
+                            android:rotation="90"
+                            android:progress="30"
+                            app:layout_constraintDimensionRatio="1:1"
+                            app:layout_constraintBottom_toTopOf="@id/below_page_text"
+                            app:layout_constraintEnd_toEndOf="parent"
+                            app:layout_constraintStart_toStartOf="parent"
+                            app:layout_constraintTop_toBottomOf="@id/above_page_text" />
+
+                        <TextView
+                            android:id="@+id/below_page_text"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:layout_marginBottom="12dp"
+                            android:gravity="center"
+                            android:textColor="?attr/colorOnPrimary"
+                            android:textSize="15sp"
+                            app:layout_constraintBottom_toBottomOf="parent"
+                            app:layout_constraintEnd_toEndOf="parent"
+                            tools:text="15" />
+
+                    </androidx.constraintlayout.widget.ConstraintLayout>
+
+                </LinearLayout>
+
+                <ImageButton
+                    android:id="@+id/below_chapter"
+                    android:layout_width="40dp"
+                    android:layout_height="40dp"
+                    android:layout_gravity="center"
+                    android:layout_marginTop="8dp"
+                    android:layout_marginBottom="80dp"
+                    android:background="@drawable/reader_seekbar_button"
+                    android:contentDescription="@string/action_next_chapter"
+                    android:padding="@dimen/material_layout_keylines_screen_edge_margin"
+                    android:rotation="90"
+                    app:srcCompat="@drawable/ic_skip_next_24dp"
+                    app:tint="?attr/colorOnPrimary" />
+
+            </LinearLayout>
+
+        </RelativeLayout>
+
+        <androidx.constraintlayout.widget.Guideline
+            android:id="@+id/below_guideline"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            app:layout_constraintGuide_percent="0.9"
+            app:layout_constraintBottom_toTopOf="@id/reader_menu_bottom"/>
+
         <LinearLayout
             android:id="@+id/reader_menu_bottom"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_gravity="bottom"
-            android:orientation="vertical">
+            android:orientation="vertical"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent">
 
             <LinearLayout
-                android:id="@+id/reader_nav"
+                android:id="@+id/reader_nav_horz"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="8dp"
@@ -174,7 +304,7 @@
                     android:layout_width="48dp"
                     android:layout_height="48dp"
                     android:layout_marginEnd="8dp"
-                    android:background="@drawable/reader_seekbar_background"
+                    android:background="@drawable/reader_seekbar_button"
                     android:contentDescription="@string/action_previous_chapter"
                     android:padding="@dimen/material_layout_keylines_screen_edge_margin"
                     app:srcCompat="@drawable/ic_skip_previous_24dp"
@@ -185,7 +315,7 @@
                     android:layout_width="0dp"
                     android:layout_height="match_parent"
                     android:layout_weight="1"
-                    android:background="@drawable/reader_seekbar_button"
+                    android:background="@drawable/reader_seekbar_background"
                     android:paddingStart="8dp"
                     android:paddingEnd="8dp">
 
@@ -207,8 +337,8 @@
                         android:layout_width="0dp"
                         android:layout_height="wrap_content"
                         android:layout_weight="1"
-                        android:maxHeight="?attr/actionBarSize"
+                        android:maxHeight="40dp"
-                        android:minHeight="?attr/actionBarSize" />
+                        android:minHeight="40dp" />
 
                     <TextView
                         android:id="@+id/right_page_text"
@@ -223,8 +353,8 @@
 
                 <ImageButton
                     android:id="@+id/right_chapter"
-                    android:layout_width="48dp"
+                    android:layout_width="40dp"
-                    android:layout_height="48dp"
+                    android:layout_height="40dp"
                     android:layout_marginStart="8dp"
                     android:background="@drawable/reader_seekbar_button"
                     android:contentDescription="@string/action_next_chapter"
@@ -296,7 +426,7 @@
 
         </LinearLayout>
 
-    </FrameLayout>
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
     <View
         android:id="@+id/brightness_overlay"

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

@@ -122,13 +122,29 @@
         android:textColor="?android:attr/textColorSecondary"
         app:layout_constraintTop_toBottomOf="@id/background_color" />
 
+    <com.google.android.material.switchmaterial.SwitchMaterial
+        android:id="@+id/landscape_vertical_seekbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/pref_show_vert_seekbar_landscape"
+        android:textColor="?android:attr/textColorSecondary"
+        app:layout_constraintTop_toBottomOf="@id/show_page_number" />
+
+    <com.google.android.material.switchmaterial.SwitchMaterial
+        android:id="@+id/left_vertical_seekbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/pref_left_handed_vertical_seekbar"
+        android:textColor="?android:attr/textColorSecondary"
+        app:layout_constraintTop_toBottomOf="@id/landscape_vertical_seekbar" />
+
     <com.google.android.material.switchmaterial.SwitchMaterial
         android:id="@+id/fullscreen"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="@string/pref_fullscreen"
         android:textColor="?android:attr/textColorSecondary"
-        app:layout_constraintTop_toBottomOf="@id/show_page_number" />
+        app:layout_constraintTop_toBottomOf="@id/left_vertical_seekbar" />
 
     <com.google.android.material.switchmaterial.SwitchMaterial
         android:id="@+id/dual_page_split"

app/src/main/res/values/strings.xml

@@ -262,6 +262,10 @@
     <string name="pref_show_page_number">Show page number</string>
     <string name="pref_show_reading_mode">Show reading mode</string>
     <string name="pref_show_reading_mode_summary">Briefly show current mode when reader is opened</string>
+    <string name="pref_show_vert_seekbar_landscape">Show vertical seekbar in landscape</string>
+    <string name="pref_show_vert_seekbar_landscape_summary">Enables vertical seekbar when in landscape</string>
+    <string name="pref_left_handed_vertical_seekbar">Left-handed vertical seekbar</string>
+    <string name="pref_left_handed_vertical_seekbar_summary">Switches which side the seekbar is on</string>
     <string name="pref_true_color">32-bit color</string>
     <string name="pref_true_color_summary">Reduces banding, but impacts performance</string>
     <string name="pref_crop_borders">Crop borders</string>