Fixed reader crashing for lower android versions

Gotta love not using Compat

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

@@ -5,6 +5,7 @@ import android.content.ClipData
 import android.content.Context
 import android.content.Intent
 import android.content.pm.ActivityInfo
+import android.content.res.ColorStateList
 import android.content.res.Configuration
 import android.graphics.Bitmap
 import android.graphics.Color
@@ -25,6 +26,7 @@ import androidx.core.content.ContextCompat
 import androidx.core.graphics.ColorUtils
 import androidx.core.view.isVisible
 import androidx.core.view.GestureDetectorCompat
+import androidx.core.view.ViewCompat
 import com.afollestad.materialdialogs.MaterialDialog
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
 import com.google.android.material.bottomsheet.BottomSheetBehavior
@@ -57,6 +59,7 @@ import eu.kanade.tachiyomi.ui.webview.WebViewActivity
 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.contextCompatColor
 import eu.kanade.tachiyomi.util.system.dpToPx
 import eu.kanade.tachiyomi.util.system.getPrefTheme
 import eu.kanade.tachiyomi.util.system.getResourceColor
@@ -212,6 +215,11 @@ class ReaderActivity :
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
             systemUiFlag = systemUiFlag.or(View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR)
         }
+        binding.appBar.setBackgroundColor(contextCompatColor(R.color.secondary_alpha))
+        ViewCompat.setBackgroundTintList(
+            binding.readerNav.root,
+            ColorStateList.valueOf(contextCompatColor(R.color.secondary_alpha))
+        )
         binding.readerLayout.systemUiVisibility = when (lightStatusBar) {
             true -> binding.readerLayout.systemUiVisibility.or(systemUiFlag)
             false -> binding.readerLayout.systemUiVisibility.rem(systemUiFlag)
@@ -595,7 +603,6 @@ class ReaderActivity :
         setMenuVisibility(menuVisible)
         binding.chaptersSheet.chaptersBottomSheet.sheetBehavior?.isHideable = !menuVisible
         if (!menuVisible) binding.chaptersSheet.chaptersBottomSheet.sheetBehavior?.hide()
-        // val peek = binding.chaptersSheet.chaptersBottomSheet.sheetBehavior?.peekHeight ?: 30.dpToPx
         binding.readerLayout.doOnApplyWindowInsets { v, insets, _ ->
             sheetManageNavColor = when {
                 insets.isBottomTappable() -> {
@@ -628,6 +635,11 @@ class ReaderActivity :
                 leftMargin = 12.dpToPx + insets.systemWindowInsetLeft
                 rightMargin = 12.dpToPx + insets.systemWindowInsetRight
             }
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+                val peek = 50.dpToPx
+                binding.chaptersSheet.root.sheetBehavior?.peekHeight =
+                    peek + insets.systemWindowInsetBottom
+            }
             binding.chaptersSheet.chapterRecycler.updatePaddingRelative(bottom = insets.systemWindowInsetBottom)
             binding.viewerContainer.requestLayout()
         }

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

@@ -19,8 +19,8 @@ import eu.kanade.tachiyomi.databinding.ReaderChaptersSheetBinding
 import eu.kanade.tachiyomi.ui.reader.ReaderActivity
 import eu.kanade.tachiyomi.ui.reader.ReaderPresenter
 import eu.kanade.tachiyomi.ui.reader.settings.TabbedReaderSettingsSheet
+import eu.kanade.tachiyomi.util.system.contextCompatColor
 import eu.kanade.tachiyomi.util.system.dpToPx
-import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.launchUI
 import eu.kanade.tachiyomi.util.view.collapse
 import eu.kanade.tachiyomi.util.view.expand
@@ -53,7 +53,8 @@ class ReaderChapterSheet @JvmOverloads constructor(context: Context, attrs: Attr
 
     fun setup(activity: ReaderActivity) {
         presenter = activity.presenter
-        val fullPrimary = activity.getResourceColor(R.attr.colorSecondary)
+        val fullPrimary = activity.contextCompatColor(R.color.secondary_alpha)
+
         val primary = ColorUtils.setAlphaComponent(fullPrimary, 200)
 
         sheetBehavior = BottomSheetBehavior.from(this)

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

@@ -2,5 +2,5 @@
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
     <corners android:radius="50dp" />
-    <solid android:color="@color/secondary_alpha" />
+    <solid android:color="?colorSecondary" />
 </shape>

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

@@ -51,8 +51,7 @@
         <FrameLayout
             android:id="@+id/app_bar"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:background="@color/secondary_alpha">
+            android:layout_height="wrap_content">
 
             <androidx.appcompat.widget.Toolbar
                 android:id="@+id/toolbar"

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

@@ -6,7 +6,6 @@
     android:layout_width="match_parent"
     android:layout_height="300dp"
     android:background="@drawable/bottom_sheet_rounded_background"
-    android:backgroundTint="@color/secondary_alpha"
     android:orientation="vertical"
     app:behavior_peekHeight="60dp"
     app:layout_behavior="com.google.android.material.bottomsheet.BottomSheetBehavior">