Drop hardcoded dynamic color

* Fix crash on api<S as well

app/src/main/java/com/hippo/ehviewer/ui/scene/DownloadsScene.java

@@ -379,7 +379,7 @@ public class DownloadsScene extends ToolbarScene
 
         mFastScroller.attachToRecyclerView(mRecyclerView);
         HandlerDrawable handlerDrawable = new HandlerDrawable();
-        handlerDrawable.setColor(com.google.android.material.R.color.material_dynamic_neutral100);
+        handlerDrawable.setColor(ResourcesKt.resolveColor(getTheme(), com.google.android.material.R.attr.colorPrimary));
         mFastScroller.setHandlerDrawable(handlerDrawable);
         mFastScroller.setOnDragHandlerListener(this);
 

app/src/main/java/com/hippo/ehviewer/ui/scene/HistoryScene.java

@@ -85,6 +85,8 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
+import rikka.core.res.ResourcesKt;
+
 public class HistoryScene extends ToolbarScene {
 
     /*---------------
@@ -232,7 +234,7 @@ public class HistoryScene extends ToolbarScene {
 
         mFastScroller.attachToRecyclerView(mRecyclerView);
         HandlerDrawable handlerDrawable = new HandlerDrawable();
-        handlerDrawable.setColor(com.google.android.material.R.color.material_dynamic_neutral100);
+        handlerDrawable.setColor(ResourcesKt.resolveColor(getTheme(), com.google.android.material.R.attr.colorPrimary));
         mFastScroller.setHandlerDrawable(handlerDrawable);
 
         updateLazyList();

app/src/main/java/com/hippo/ehviewer/widget/GalleryGuideView.java

@@ -18,6 +18,7 @@ package com.hippo.ehviewer.widget;
 
 import android.content.Context;
 import android.graphics.Canvas;
+import android.graphics.Color;
 import android.graphics.Paint;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
@@ -60,9 +61,9 @@ public class GalleryGuideView extends ViewGroup implements View.OnClickListener
     }
 
     private void init(Context context) {
-        mBgColor = ResourcesKt.resolveColor(context.getTheme(), R.attr.guideBackgroundColor);
+        mBgColor = Color.GRAY;
         mPaint = new Paint();
-        mPaint.setColor(ResourcesKt.resolveColor(context.getTheme(), R.attr.guideTitleColor));
+        mPaint.setColor(Color.WHITE);
         mPaint.setStyle(Paint.Style.STROKE);
         mPaint.setStrokeWidth(context.getResources().getDimension(R.dimen.gallery_guide_divider_width));
         setOnClickListener(this);

app/src/main/java/com/hippo/widget/ContentLayout.java

@@ -55,6 +55,8 @@ import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 
+import rikka.core.res.ResourcesKt;
+
 public class ContentLayout extends FrameLayout {
 
     private CircularProgressIndicator mProgressView;
@@ -102,7 +104,7 @@ public class ContentLayout extends FrameLayout {
 
         mFastScroller.attachToRecyclerView(mRecyclerView);
         HandlerDrawable drawable = new HandlerDrawable();
-        drawable.setColor(com.google.android.material.R.color.material_dynamic_neutral100);
+        drawable.setColor(ResourcesKt.resolveColor(context.getTheme(), androidx.appcompat.R.attr.colorPrimary));
         mFastScroller.setHandlerDrawable(drawable);
 
         mRefreshLayout.setColorSchemeResources(