Fixed blank page bug... again

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

@@ -50,6 +50,8 @@ import eu.kanade.tachiyomi.util.lang.plusAssign
 import eu.kanade.tachiyomi.util.storage.getUriCompat
 import eu.kanade.tachiyomi.util.system.GLUtil
 import eu.kanade.tachiyomi.util.system.ThemeUtil
+import eu.kanade.tachiyomi.util.system.dpToPx
+import eu.kanade.tachiyomi.util.system.getBottomGestureInsets
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.hasSideNavBar
 import eu.kanade.tachiyomi.util.system.isBottomTappable
@@ -59,6 +61,7 @@ import eu.kanade.tachiyomi.util.view.doOnApplyWindowInsets
 import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.snack
 import eu.kanade.tachiyomi.util.view.updateLayoutParams
+import eu.kanade.tachiyomi.util.view.updatePaddingRelative
 import eu.kanade.tachiyomi.util.view.visible
 import eu.kanade.tachiyomi.widget.SimpleAnimationListener
 import eu.kanade.tachiyomi.widget.SimpleSeekBarListener
@@ -335,6 +338,7 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>(),
         chapters_bottom_sheet.sheetBehavior?.isHideable = !menuVisible
         if (!menuVisible) chapters_bottom_sheet.sheetBehavior?.state =
             BottomSheetBehavior.STATE_HIDDEN
+        val peek = chapters_bottom_sheet.sheetBehavior?.peekHeight ?: 30.dpToPx
         reader_layout.doOnApplyWindowInsets { v, insets, _ ->
             sheetManageNavColor = when {
                 insets.isBottomTappable() -> {
@@ -361,7 +365,11 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>(),
             chapters_bottom_sheet.updateLayoutParams<ViewGroup.MarginLayoutParams> {
                 leftMargin = insets.systemWindowInsetLeft
                 rightMargin = insets.systemWindowInsetRight
+                height = 280.dpToPx + insets.systemWindowInsetBottom
             }
+            chapters_bottom_sheet.sheetBehavior?.peekHeight = peek + insets.getBottomGestureInsets()
+            chapter_recycler.updatePaddingRelative(bottom = insets.systemWindowInsetBottom)
+            viewer_container.requestLayout()
         }
     }
 
@@ -372,6 +380,7 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>(),
     private fun setMenuVisibility(visible: Boolean, animate: Boolean = true) {
         menuVisible = visible
         if (visible) coroutine?.cancel()
+        viewer_container.requestLayout()
         if (visible) {
             snackbar?.dismiss()
             systemUi?.show()

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

@@ -15,12 +15,8 @@ import com.mikepenz.fastadapter.adapters.ItemAdapter
 import com.mikepenz.fastadapter.listeners.ClickEventHook
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.util.system.dpToPx
-import eu.kanade.tachiyomi.util.system.getBottomGestureInsets
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.launchUI
-import eu.kanade.tachiyomi.util.view.doOnApplyWindowInsets
-import eu.kanade.tachiyomi.util.view.updateLayoutParams
-import eu.kanade.tachiyomi.util.view.updatePaddingRelative
 import kotlinx.android.synthetic.main.reader_chapters_sheet.view.*
 import kotlin.math.max
 import kotlin.math.min
@@ -50,7 +46,6 @@ class ReaderChapterSheet @JvmOverloads constructor(context: Context, attrs: Attr
             }
         }
 
-        val peek = sheetBehavior?.peekHeight ?: 30.dpToPx
         post {
             chapter_recycler.alpha = when (sheetBehavior?.state == BottomSheetBehavior.STATE_EXPANDED) {
                 true -> 1f
@@ -58,14 +53,6 @@ class ReaderChapterSheet @JvmOverloads constructor(context: Context, attrs: Attr
             }
         }
 
-        chapters_bottom_sheet.doOnApplyWindowInsets { _, insets, _ ->
-            sheetBehavior?.peekHeight = peek + insets.getBottomGestureInsets()
-
-            chapters_bottom_sheet.updateLayoutParams<MarginLayoutParams> {
-                height = 280.dpToPx + insets.systemWindowInsetBottom
-            }
-            chapter_recycler.updatePaddingRelative(bottom = insets.systemWindowInsetBottom)
-        }
         sheetBehavior?.addBottomSheetCallback(object : BottomSheetBehavior.BottomSheetCallback() {
             override fun onSlide(bottomSheet: View, progress: Float) {
                 pill.alpha = (1 - max(0f, progress)) * 0.25f

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

@@ -6,34 +6,28 @@
     android:layout_height="match_parent"
     android:gravity="center">
 
+
     <FrameLayout
-        android:id="@+id/reader_container"
+        android:id="@+id/viewer_container"
         android:layout_width="match_parent"
-        android:layout_height="match_parent">
+        android:layout_height="match_parent" />
 
-        <FrameLayout
+    <ProgressBar
-            android:id="@+id/viewer_container"
+        android:id="@+id/please_wait"
-            android:layout_width="match_parent"
+        android:layout_width="56dp"
-            android:layout_height="match_parent" />
+        android:layout_height="56dp"
+        android:layout_gravity="center"
+        android:visibility="gone"
+        tools:visibility="visible" />
 
-        <ProgressBar
+    <eu.kanade.tachiyomi.ui.reader.PageIndicatorTextView
-            android:id="@+id/please_wait"
+        android:id="@+id/page_number"
-            android:layout_width="56dp"
+        style="@style/TextAppearance.Regular.Caption"
-            android:layout_height="56dp"
+        android:layout_width="wrap_content"
-            android:layout_gravity="center"
+        android:layout_height="wrap_content"
-            android:visibility="gone"
+        android:layout_gravity="bottom|center_horizontal"
-            tools:visibility="visible" />
+        android:padding="4dp"
-
+        android:textStyle="bold" />
-        <eu.kanade.tachiyomi.ui.reader.PageIndicatorTextView
-            android:id="@+id/page_number"
-            style="@style/TextAppearance.Regular.Caption"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_gravity="bottom|center_horizontal"
-            android:padding="4dp"
-            android:textStyle="bold" />
-
-    </FrameLayout>
 
     <eu.kanade.tachiyomi.ui.reader.ReaderColorFilterView
         android:id="@+id/color_overlay"