Fix #660. Update subsampling

app/build.gradle

@@ -98,7 +98,7 @@ android {
 dependencies {
 
     // Modified dependencies
-    compile 'com.github.inorichi:subsampling-scale-image-view:8a22092'
+    compile 'com.github.inorichi:subsampling-scale-image-view:4255750'
     compile 'com.github.inorichi:junrar-android:634c1f5'
 
     // Android support library

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

@@ -96,6 +96,7 @@ class ReaderCustomFilterDialog : DialogFragment() {
 
         // Set brightness value
         txt_brightness_seekbar_value.text = brightness.toString()
+        brightness_seekbar.progress = brightness
 
         // Initialize seekBar progress
         seekbar_color_filter_alpha.progress = argb[0]
@@ -145,7 +146,7 @@ class ReaderCustomFilterDialog : DialogFragment() {
                 }
             }
         })
-        brightness_seekbar.progress = preferences.customBrightnessValue().getOrDefault()
+
         brightness_seekbar.setOnSeekBarChangeListener(object : SimpleSeekBarListener() {
             override fun onProgressChanged(seekBar: SeekBar, value: Int, fromUser: Boolean) {
                 if (fromUser) {

app/src/main/java/eu/kanade/tachiyomi/widget/NegativeSeekBar.kt

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.widget
 
 import android.content.Context
+import android.os.Parcelable
 import android.util.AttributeSet
 import android.widget.SeekBar
 import eu.kanade.tachiyomi.R
@@ -58,4 +59,11 @@ class NegativeSeekBar @JvmOverloads constructor(context: Context, attrs: Attribu
         this.listener = listener
     }
 
+    override fun onRestoreInstanceState(state: Parcelable?) {
+        // We can't restore the progress from the saved state because it gets shifted.
+        val origProgress = progress
+        super.onRestoreInstanceState(state)
+        super.setProgress(origProgress)
+    }
+
 }

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

@@ -28,6 +28,10 @@
             android:visibility="gone" />
     </RelativeLayout>
 
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="match_parent"
@@ -254,4 +258,6 @@
             </RelativeLayout>
         </LinearLayout>
 
+    </ScrollView>
+
 </LinearLayout>