Continue migrating to Material Design 3.

app/src/main/java/ml/docilealligator/infinityforreddit/activities/AccountPostsActivity.java

@@ -50,10 +50,10 @@ public class AccountPostsActivity extends BaseActivity implements SortTypeSelect
 
     @BindView(R.id.coordinator_layout_account_posts_activity)
     CoordinatorLayout coordinatorLayout;
-    @BindView(R.id.collapsing_toolbar_layout_account_posts_activity)
-    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.appbar_layout_account_posts_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_account_posts_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_account_posts_activity)
     Toolbar toolbar;
     @Inject
@@ -160,7 +160,7 @@ public class AccountPostsActivity extends BaseActivity implements SortTypeSelect
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 
     private void initializeFragment() {

app/src/main/java/ml/docilealligator/infinityforreddit/activities/AccountSavedThingActivity.java

@@ -59,10 +59,10 @@ public class AccountSavedThingActivity extends BaseActivity implements ActivityT
 
     @BindView(R.id.coordinator_layout_account_saved_thing_activity)
     CoordinatorLayout coordinatorLayout;
-    @BindView(R.id.collapsing_toolbar_layout_account_saved_thing_activity)
-    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.appbar_layout_account_saved_thing_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_account_saved_thing_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_account_saved_thing_activity)
     Toolbar toolbar;
     @BindView(R.id.tab_layout_tab_layout_account_saved_thing_activity_activity)
@@ -167,7 +167,7 @@ public class AccountSavedThingActivity extends BaseActivity implements ActivityT
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         applyTabLayoutTheme(tabLayout);
     }
 

app/src/main/java/ml/docilealligator/infinityforreddit/activities/AnonymousSubscriptionsActivity.java

@@ -13,6 +13,7 @@ import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.r0adkll.slidr.Slidr;
 
 import javax.inject.Inject;
@@ -32,6 +33,8 @@ public class AnonymousSubscriptionsActivity extends BaseActivity {
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_anonymous_subscriptions_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_anonymous_subscriptions_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_anonymous_subscriptions_activity)
     Toolbar toolbar;
     @Inject
@@ -99,7 +102,7 @@ public class AnonymousSubscriptionsActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/activities/BaseActivity.java

@@ -30,6 +30,7 @@ import androidx.recyclerview.widget.RecyclerView;
 import androidx.viewpager2.widget.ViewPager2;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.tabs.TabLayout;
 
@@ -296,12 +297,15 @@ public abstract class BaseActivity extends AppCompatActivity {
         isImmersiveInterfaceApplicable = false;
     }
 
-    protected void applyAppBarLayoutAndToolbarTheme(AppBarLayout appBarLayout, Toolbar toolbar) {
+    protected void applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(AppBarLayout appBarLayout, @Nullable CollapsingToolbarLayout collapsingToolbarLayout, Toolbar toolbar) {
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar, true);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar, true);
     }
 
-    protected void applyAppBarLayoutAndToolbarTheme(AppBarLayout appBarLayout, Toolbar toolbar, boolean setToolbarBackgroundColor) {
+    protected void applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(AppBarLayout appBarLayout, @Nullable CollapsingToolbarLayout collapsingToolbarLayout, Toolbar toolbar, boolean setToolbarBackgroundColor) {
         appBarLayout.setBackgroundColor(customThemeWrapper.getColorPrimary());
+        if (collapsingToolbarLayout != null) {
+            collapsingToolbarLayout.setContentScrimColor(customThemeWrapper.getColorPrimary());
+        }
         if (setToolbarBackgroundColor) {
             toolbar.setBackgroundColor(customThemeWrapper.getColorPrimary());
         }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentActivity.java

@@ -310,7 +310,7 @@ public class CommentActivity extends BaseActivity implements UploadImageEnabledA
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         commentParentMarkwonView.setTextColor(mCustomThemeWrapper.getCommentColor());
         divider.setBackgroundColor(mCustomThemeWrapper.getDividerColor());
         commentEditText.setTextColor(mCustomThemeWrapper.getCommentColor());

app/src/main/java/ml/docilealligator/infinityforreddit/activities/CreateMultiRedditActivity.java

@@ -19,6 +19,7 @@ import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.snackbar.Snackbar;
 import com.r0adkll.slidr.Slidr;
 
@@ -47,6 +48,8 @@ public class CreateMultiRedditActivity extends BaseActivity {
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_create_multi_reddit_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_create_multi_reddit_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_create_multi_reddit_activity)
     Toolbar toolbar;
     @BindView(R.id.multi_reddit_name_edit_text_create_multi_reddit_activity)
@@ -220,7 +223,7 @@ public class CreateMultiRedditActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         int primaryTextColor = mCustomThemeWrapper.getPrimaryTextColor();
         int secondaryTextColor = mCustomThemeWrapper.getSecondaryTextColor();
         nameEditText.setTextColor(primaryTextColor);

app/src/main/java/ml/docilealligator/infinityforreddit/activities/CustomThemeListingActivity.java

@@ -22,6 +22,7 @@ import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.snackbar.Snackbar;
@@ -62,6 +63,8 @@ public class CustomThemeListingActivity extends BaseActivity implements
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_customize_theme_listing_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_customize_theme_listing_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_customize_theme_listing_activity)
     Toolbar toolbar;
     @BindView(R.id.recycler_view_customize_theme_listing_activity)
@@ -152,7 +155,7 @@ public class CustomThemeListingActivity extends BaseActivity implements
 
     @Override
     protected void applyCustomTheme() {
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/activities/CustomizePostFilterActivity.java

@@ -395,7 +395,7 @@ public class CustomizePostFilterActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         int primaryTextColor = mCustomThemeWrapper.getPrimaryTextColor();
         int primaryIconColor = mCustomThemeWrapper.getPrimaryIconColor();
         Drawable cursorDrawable = Utils.getTintedDrawable(this, R.drawable.edit_text_cursor, primaryTextColor);

app/src/main/java/ml/docilealligator/infinityforreddit/activities/CustomizeThemeActivity.java

@@ -15,6 +15,7 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.snackbar.Snackbar;
 
@@ -56,6 +57,8 @@ public class CustomizeThemeActivity extends BaseActivity {
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_customize_theme_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_customize_theme_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_customize_theme_activity)
     Toolbar toolbar;
     @BindView(R.id.recycler_view_customize_theme_activity)
@@ -253,6 +256,6 @@ public class CustomizeThemeActivity extends BaseActivity {
 
     @Override
     protected void applyCustomTheme() {
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/EditCommentActivity.java

@@ -183,7 +183,7 @@ public class EditCommentActivity extends BaseActivity implements UploadImageEnab
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         contentEditText.setTextColor(mCustomThemeWrapper.getCommentColor());
     }
 

app/src/main/java/ml/docilealligator/infinityforreddit/activities/EditMultiRedditActivity.java

@@ -21,6 +21,7 @@ import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.snackbar.Snackbar;
 import com.r0adkll.slidr.Slidr;
 
@@ -51,6 +52,8 @@ public class EditMultiRedditActivity extends BaseActivity {
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_edit_multi_reddit_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_edit_multi_reddit_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_edit_multi_reddit_activity)
     Toolbar toolbar;
     @BindView(R.id.progress_bar_edit_multi_reddit_activity)
@@ -272,7 +275,7 @@ public class EditMultiRedditActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         progressBar.setIndeterminateTintList(ColorStateList.valueOf(mCustomThemeWrapper.getColorAccent()));
         int primaryTextColor = mCustomThemeWrapper.getPrimaryTextColor();
         int secondaryTextColor = mCustomThemeWrapper.getSecondaryTextColor();

app/src/main/java/ml/docilealligator/infinityforreddit/activities/EditPostActivity.java

@@ -192,7 +192,7 @@ public class EditPostActivity extends BaseActivity implements UploadImageEnabled
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         titleTextView.setTextColor(mCustomThemeWrapper.getPostTitleColor());
         divider.setBackgroundColor(mCustomThemeWrapper.getPostTitleColor());
         contentEditText.setTextColor(mCustomThemeWrapper.getPostContentColor());

app/src/main/java/ml/docilealligator/infinityforreddit/activities/FilteredPostsActivity.java

@@ -256,7 +256,7 @@ public class FilteredPostsActivity extends BaseActivity implements SortTypeSelec
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         applyFABTheme(fab);
     }
 

app/src/main/java/ml/docilealligator/infinityforreddit/activities/FullMarkdownActivity.java

@@ -25,6 +25,7 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.r0adkll.slidr.Slidr;
 import com.r0adkll.slidr.model.SlidrInterface;
 
@@ -68,6 +69,8 @@ public class FullMarkdownActivity extends BaseActivity {
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_comment_full_markdown_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_comment_full_markdown_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_comment_full_markdown_activity)
     Toolbar toolbar;
     @BindView(R.id.content_markdown_view_comment_full_markdown_activity)
@@ -277,7 +280,7 @@ public class FullMarkdownActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/activities/GiveAwardActivity.java

@@ -189,6 +189,6 @@ public class GiveAwardActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
     }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/InboxActivity.java

@@ -73,10 +73,10 @@ public class InboxActivity extends BaseActivity implements ActivityToolbarInterf
 
     @BindView(R.id.coordinator_layout_inbox_activity)
     CoordinatorLayout mCoordinatorLayout;
-    @BindView(R.id.collapsing_toolbar_layout_inbox_activity)
-    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.appbar_layout_inbox_activity)
     AppBarLayout mAppBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_inbox_activity)
+    CollapsingToolbarLayout mCollapsingToolbarLayout;
     @BindView(R.id.toolbar_inbox_activity)
     Toolbar mToolbar;
     @BindView(R.id.tab_layout_inbox_activity)
@@ -238,7 +238,7 @@ public class InboxActivity extends BaseActivity implements ActivityToolbarInterf
     @Override
     protected void applyCustomTheme() {
         mCoordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(mAppBarLayout, mToolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(mAppBarLayout, mCollapsingToolbarLayout, mToolbar);
         applyTabLayoutTheme(tabLayout);
         applyFABTheme(fab);
     }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/LoginActivity.java

@@ -281,7 +281,7 @@ public class LoginActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         twoFAInfoTextView.setTextColor(mCustomThemeWrapper.getPrimaryTextColor());
         Drawable infoDrawable = Utils.getTintedDrawable(this, R.drawable.ic_info_preference_24dp, mCustomThemeWrapper.getPrimaryIconColor());
         twoFAInfoTextView.setCompoundDrawablesWithIntrinsicBounds(infoDrawable, null, null, null);

app/src/main/java/ml/docilealligator/infinityforreddit/activities/MainActivity.java

@@ -356,8 +356,7 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
         option3BottomAppBar.setColorFilter(bottomAppBarIconColor, android.graphics.PorterDuff.Mode.SRC_IN);
         option4BottomAppBar.setColorFilter(bottomAppBarIconColor, android.graphics.PorterDuff.Mode.SRC_IN);
         navigationView.setBackgroundColor(backgroundColor);
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
-        collapsingToolbarLayout.setContentScrimColor(mCustomThemeWrapper.getColorPrimary());
         applyTabLayoutTheme(tabLayout);
         bottomAppBar.setBackgroundTint(ColorStateList.valueOf(mCustomThemeWrapper.getBottomAppBarBackgroundColor()));
         applyFABTheme(fab);

app/src/main/java/ml/docilealligator/infinityforreddit/activities/MultiredditSelectionActivity.java

@@ -18,6 +18,7 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.fragment.app.Fragment;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.r0adkll.slidr.Slidr;
 
 import org.greenrobot.eventbus.EventBus;
@@ -55,6 +56,8 @@ public class MultiredditSelectionActivity extends BaseActivity implements Activi
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_multireddit_selection_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_multireddit_selection_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_multireddit_selection_activity)
     Toolbar toolbar;
     @Inject
@@ -142,7 +145,7 @@ public class MultiredditSelectionActivity extends BaseActivity implements Activi
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 
     private void bindView(boolean initializeFragment) {

app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostFilterPreferenceActivity.java

@@ -12,6 +12,7 @@ import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 
@@ -43,6 +44,8 @@ public class PostFilterPreferenceActivity extends BaseActivity {
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_post_filter_preference_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_post_filter_preference_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_post_filter_preference_activity)
     Toolbar toolbar;
     @BindView(R.id.recycler_view_post_filter_preference_activity)
@@ -207,7 +210,7 @@ public class PostFilterPreferenceActivity extends BaseActivity {
 
     @Override
     protected void applyCustomTheme() {
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostFilterUsageListingActivity.java

@@ -15,6 +15,7 @@ import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.textfield.TextInputEditText;
@@ -47,6 +48,8 @@ public class PostFilterUsageListingActivity extends BaseActivity {
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_post_filter_application_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_post_filter_application_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_post_filter_application_activity)
     Toolbar toolbar;
     @BindView(R.id.recycler_view_post_filter_application_activity)
@@ -209,6 +212,6 @@ public class PostFilterUsageListingActivity extends BaseActivity {
 
     @Override
     protected void applyCustomTheme() {
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostGalleryActivity.java

@@ -407,7 +407,7 @@ public class PostGalleryActivity extends BaseActivity implements FlairBottomShee
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         int secondaryTextColor = mCustomThemeWrapper.getSecondaryTextColor();
         subredditNameTextView.setTextColor(secondaryTextColor);
         rulesButton.setTextColor(mCustomThemeWrapper.getButtonTextColor());

app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostImageActivity.java

@@ -388,7 +388,7 @@ public class PostImageActivity extends BaseActivity implements FlairBottomSheetF
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         int secondaryTextColor = mCustomThemeWrapper.getSecondaryTextColor();
         subredditNameTextView.setTextColor(secondaryTextColor);
         rulesButton.setTextColor(mCustomThemeWrapper.getButtonTextColor());

app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostLinkActivity.java

@@ -362,7 +362,7 @@ public class PostLinkActivity extends BaseActivity implements FlairBottomSheetFr
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         int secondaryTextColor = mCustomThemeWrapper.getSecondaryTextColor();
         subredditNameTextView.setTextColor(secondaryTextColor);
         rulesButton.setTextColor(mCustomThemeWrapper.getButtonTextColor());

app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostTextActivity.java

@@ -386,7 +386,7 @@ public class PostTextActivity extends BaseActivity implements FlairBottomSheetFr
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         int secondaryTextColor = mCustomThemeWrapper.getSecondaryTextColor();
         subredditNameTextView.setTextColor(secondaryTextColor);
         rulesButton.setTextColor(mCustomThemeWrapper.getButtonTextColor());

app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostVideoActivity.java

@@ -399,7 +399,7 @@ public class PostVideoActivity extends BaseActivity implements FlairBottomSheetF
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         int secondaryTextColor = mCustomThemeWrapper.getSecondaryTextColor();
         subredditNameTextView.setTextColor(secondaryTextColor);
         rulesButton.setTextColor(mCustomThemeWrapper.getButtonTextColor());

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ReportActivity.java

@@ -196,6 +196,6 @@ public class ReportActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
     }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/RulesActivity.java

@@ -18,6 +18,7 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.r0adkll.slidr.Slidr;
 
 import org.greenrobot.eventbus.EventBus;
@@ -49,6 +50,8 @@ public class RulesActivity extends BaseActivity {
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_rules_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_rules_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_rules_activity)
     Toolbar toolbar;
     @BindView(R.id.progress_bar_rules_activity)
@@ -154,7 +157,7 @@ public class RulesActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         progressBar.setIndeterminateTintList(ColorStateList.valueOf(mCustomThemeWrapper.getColorAccent()));
         errorTextView.setTextColor(mCustomThemeWrapper.getSecondaryTextColor());
     }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchActivity.java

@@ -349,7 +349,7 @@ public class SearchActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         simpleSearchView.setSearchBackground(new ColorDrawable(mCustomThemeWrapper.getColorPrimary()));
         int toolbarPrimaryTextAndIconColorColor = mCustomThemeWrapper.getToolbarPrimaryTextAndIconColor();
         simpleSearchView.setIconsColor(toolbarPrimaryTextAndIconColorColor);

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchResultActivity.java

@@ -28,6 +28,7 @@ import androidx.viewpager2.adapter.FragmentStateAdapter;
 import androidx.viewpager2.widget.ViewPager2;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.tabs.TabLayout;
@@ -95,6 +96,8 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_search_result_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_search_result_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_search_result_activity)
     Toolbar toolbar;
     @BindView(R.id.tab_layout_search_result_activity)
@@ -230,7 +233,7 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         applyTabLayoutTheme(tabLayout);
         applyFABTheme(fab);
     }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchSubredditsResultActivity.java

@@ -23,7 +23,6 @@ import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 
 import java.util.ArrayList;
-import java.util.List;
 
 import javax.inject.Inject;
 import javax.inject.Named;
@@ -36,7 +35,6 @@ import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.events.SwitchAccountEvent;
 import ml.docilealligator.infinityforreddit.fragments.SubredditListingFragment;
-import ml.docilealligator.infinityforreddit.subreddit.SubredditData;
 import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
 
 public class SearchSubredditsResultActivity extends BaseActivity implements ActivityToolbarInterface {
@@ -143,7 +141,7 @@ public class SearchSubredditsResultActivity extends BaseActivity implements Acti
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
     }
 
     public void getSelectedSubreddit(String name, String iconUrl) {

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchUsersResultActivity.java

@@ -140,7 +140,7 @@ public class SearchUsersResultActivity extends BaseActivity implements ActivityT
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
     }
 
     public void getSelectedUser(String name, String iconUrl) {

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SelectUserFlairActivity.java

@@ -223,7 +223,7 @@ public class SelectUserFlairActivity extends BaseActivity implements ActivityToo
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SelectedSubredditsAndUsersActivity.java

@@ -14,6 +14,7 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.r0adkll.slidr.Slidr;
 
@@ -45,6 +46,8 @@ public class SelectedSubredditsAndUsersActivity extends BaseActivity implements
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_selected_subreddits_and_users_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_selected_subreddits_and_users_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_selected_subreddits_and_users_activity)
     Toolbar toolbar;
     @BindView(R.id.recycler_view_selected_subreddits_and_users_activity)
@@ -187,7 +190,7 @@ public class SelectedSubredditsAndUsersActivity extends BaseActivity implements
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         applyFABTheme(fab);
     }
 

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SendPrivateMessageActivity.java

@@ -174,7 +174,7 @@ public class SendPrivateMessageActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         int primaryTextColor = mCustomThemeWrapper.getPrimaryTextColor();
         usernameEditText.setTextColor(primaryTextColor);
         subjectEditText.setTextColor(primaryTextColor);

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SettingsActivity.java

@@ -13,6 +13,7 @@ import androidx.preference.Preference;
 import androidx.preference.PreferenceFragmentCompat;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
@@ -46,6 +47,8 @@ public class SettingsActivity extends BaseActivity implements
 
     @BindView(R.id.appbar_layout_settings_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_settings_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_settings_activity)
     Toolbar toolbar;
     private String mAccountName;
@@ -126,7 +129,7 @@ public class SettingsActivity extends BaseActivity implements
 
     @Override
     protected void applyCustomTheme() {
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SubmitCrosspostActivity.java

@@ -391,7 +391,7 @@ public class SubmitCrosspostActivity extends BaseActivity implements FlairBottom
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         int secondaryTextColor = mCustomThemeWrapper.getSecondaryTextColor();
         subredditNameTextView.setTextColor(secondaryTextColor);
         rulesButton.setTextColor(mCustomThemeWrapper.getButtonTextColor());

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SubredditMultiselectionActivity.java

@@ -24,6 +24,7 @@ import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.RequestManager;
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.r0adkll.slidr.Slidr;
 
 import java.util.ArrayList;
@@ -54,6 +55,8 @@ public class SubredditMultiselectionActivity extends BaseActivity implements Act
     CoordinatorLayout mCoordinatorLayout;
     @BindView(R.id.appbar_layout_subreddits_multiselection_activity)
     AppBarLayout mAppBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_subscribed_subreddits_multiselection_activity)
+    CollapsingToolbarLayout mCollapsingToolbarLayout;
     @BindView(R.id.toolbar_subscribed_subreddits_multiselection_activity)
     Toolbar mToolbar;
     @BindView(R.id.swipe_refresh_layout_subscribed_subscribed_subreddits_multiselection_activity)
@@ -226,7 +229,7 @@ public class SubredditMultiselectionActivity extends BaseActivity implements Act
     @Override
     protected void applyCustomTheme() {
         mCoordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(mAppBarLayout, mToolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(mAppBarLayout, mCollapsingToolbarLayout, mToolbar);
         mErrorTextView.setTextColor(mCustomThemeWrapper.getSecondaryTextColor());
     }
 

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SubredditSelectionActivity.java

@@ -19,6 +19,7 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.fragment.app.Fragment;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.r0adkll.slidr.Slidr;
 
 import org.greenrobot.eventbus.EventBus;
@@ -62,6 +63,8 @@ public class SubredditSelectionActivity extends BaseActivity implements Activity
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_subreddit_selection_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_subreddit_selection_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_subreddit_selection_activity)
     Toolbar toolbar;
     @Inject
@@ -153,7 +156,7 @@ public class SubredditSelectionActivity extends BaseActivity implements Activity
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 
     private void bindView(boolean initializeFragment) {

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SubscribedThingListingActivity.java

@@ -21,6 +21,7 @@ import androidx.fragment.app.FragmentPagerAdapter;
 import androidx.viewpager.widget.ViewPager;
 
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.tabs.TabLayout;
@@ -74,6 +75,8 @@ public class SubscribedThingListingActivity extends BaseActivity implements Acti
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_subscribed_thing_listing_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_subscribed_thing_listing_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_subscribed_thing_listing_activity)
     Toolbar toolbar;
     @BindView(R.id.tab_layout_subscribed_thing_listing_activity)
@@ -178,7 +181,7 @@ public class SubscribedThingListingActivity extends BaseActivity implements Acti
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         applyTabLayoutTheme(tabLayout);
         applyFABTheme(fab);
     }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/TrendingActivity.java

@@ -64,10 +64,10 @@ public class TrendingActivity extends BaseActivity {
 
     @BindView(R.id.coordinator_layout_trending_activity)
     CoordinatorLayout coordinatorLayout;
-    @BindView(R.id.collapsing_toolbar_layout_trending_activity)
-    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.appbar_layout_trending_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_trending_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_trending_activity)
     Toolbar toolbar;
     @BindView(R.id.swipe_refresh_layout_trending_activity)
@@ -326,7 +326,7 @@ public class TrendingActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         swipeRefreshLayout.setProgressBackgroundColorSchemeColor(mCustomThemeWrapper.getCircularProgressBarBackground());
         swipeRefreshLayout.setColorSchemeColors(mCustomThemeWrapper.getColorAccent());
         errorTextView.setTextColor(mCustomThemeWrapper.getSecondaryTextColor());

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewMultiRedditDetailActivity.java

@@ -298,7 +298,7 @@ public class ViewMultiRedditDetailActivity extends BaseActivity implements SortT
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewPostDetailActivity.java

@@ -31,6 +31,7 @@ import com.evernote.android.state.State;
 import com.github.piasy.biv.BigImageViewer;
 import com.github.piasy.biv.loader.glide.GlideImageLoader;
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.card.MaterialCardView;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.snackbar.Snackbar;
@@ -88,6 +89,8 @@ public class ViewPostDetailActivity extends BaseActivity implements SortTypeSele
     CoordinatorLayout mCoordinatorLayout;
     @BindView(R.id.appbar_layout_view_post_detail_activity)
     AppBarLayout mAppBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_view_post_detail_activity)
+    CollapsingToolbarLayout mCollapsingToolbarLayout;
     @BindView(R.id.toolbar_view_post_detail_activity)
     Toolbar mToolbar;
     @BindView(R.id.view_pager_2_view_post_detail_activity)
@@ -276,7 +279,7 @@ public class ViewPostDetailActivity extends BaseActivity implements SortTypeSele
     @Override
     protected void applyCustomTheme() {
         mCoordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(mAppBarLayout, mToolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(mAppBarLayout, mCollapsingToolbarLayout, mToolbar);
         applyFABTheme(fab);
         searchPanelMaterialCardView.setBackgroundTintList(ColorStateList.valueOf(mCustomThemeWrapper.getColorPrimary()));
         int searchPanelTextAndIconColor = mCustomThemeWrapper.getToolbarPrimaryTextAndIconColor();

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewPrivateMessagesActivity.java

@@ -290,7 +290,7 @@ public class ViewPrivateMessagesActivity extends BaseActivity implements Activit
     @Override
     protected void applyCustomTheme() {
         mLinearLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(mAppBarLayout, mToolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(mAppBarLayout, null, mToolbar);
         mDivider.setBackgroundColor(mCustomThemeWrapper.getDividerColor());
         mEditText.setTextColor(mCustomThemeWrapper.getPrimaryTextColor());
         mSecondaryTextColor = mCustomThemeWrapper.getSecondaryTextColor();

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewSubredditDetailActivity.java

@@ -516,7 +516,6 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        collapsingToolbarLayout.setContentScrimColor(mCustomThemeWrapper.getColorPrimary());
         appBarLayout.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
             @Override
             public void onGlobalLayout() {
@@ -524,7 +523,7 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
                 appBarLayout.getViewTreeObserver().removeOnGlobalLayoutListener(this);
             }
         });
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar, false);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar, false);
         expandedTabTextColor = mCustomThemeWrapper.getTabLayoutWithExpandedCollapsingToolbarTextColor();
         expandedTabIndicatorColor = mCustomThemeWrapper.getTabLayoutWithExpandedCollapsingToolbarTabIndicator();
         expandedTabBackgroundColor = mCustomThemeWrapper.getTabLayoutWithExpandedCollapsingToolbarTabBackground();

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewUserDetailActivity.java

@@ -563,7 +563,6 @@ public class ViewUserDetailActivity extends BaseActivity implements SortTypeSele
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        collapsingToolbarLayout.setContentScrimColor(mCustomThemeWrapper.getColorPrimary());
         appBarLayout.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
             @Override
             public void onGlobalLayout() {
@@ -571,7 +570,7 @@ public class ViewUserDetailActivity extends BaseActivity implements SortTypeSele
                 appBarLayout.getViewTreeObserver().removeOnGlobalLayoutListener(this);
             }
         });
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar, false);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar, false);
         expandedTabTextColor = mCustomThemeWrapper.getTabLayoutWithExpandedCollapsingToolbarTextColor();
         expandedTabIndicatorColor = mCustomThemeWrapper.getTabLayoutWithExpandedCollapsingToolbarTabIndicator();
         expandedTabBackgroundColor = mCustomThemeWrapper.getTabLayoutWithExpandedCollapsingToolbarTabBackground();

app/src/main/java/ml/docilealligator/infinityforreddit/activities/WebViewActivity.java

@@ -109,7 +109,7 @@ public class WebViewActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, null, toolbar);
         Drawable closeIcon = Utils.getTintedDrawable(this, R.drawable.ic_close_black_24dp, mCustomThemeWrapper.getToolbarPrimaryTextAndIconColor());
         toolbar.setNavigationIcon(closeIcon);
     }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/WikiActivity.java

@@ -27,6 +27,7 @@ import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
 import com.bumptech.glide.Glide;
 import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.r0adkll.slidr.Slidr;
 import com.r0adkll.slidr.model.SlidrInterface;
 
@@ -78,6 +79,8 @@ public class WikiActivity extends BaseActivity {
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_comment_wiki_activity)
     AppBarLayout appBarLayout;
+    @BindView(R.id.collapsing_toolbar_layout_wiki_activity)
+    CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_comment_wiki_activity)
     Toolbar toolbar;
     @BindView(R.id.swipe_refresh_layout_wiki_activity)
@@ -356,7 +359,7 @@ public class WikiActivity extends BaseActivity {
     @Override
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
         swipeRefreshLayout.setProgressBackgroundColorSchemeColor(mCustomThemeWrapper.getCircularProgressBarBackground());
         swipeRefreshLayout.setColorSchemeColors(mCustomThemeWrapper.getColorAccent());
         mFetchWikiInfoTextView.setTextColor(mCustomThemeWrapper.getSecondaryTextColor());

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_anonymous_subscriptions_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_comment_full_markdown_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_create_multi_reddit_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_edit_multi_reddit_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_multireddit_selection_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_rules_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -12,6 +12,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_search_result_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_selected_subreddits_and_users_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -10,6 +10,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_settings_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_subreddit_selection_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_subscribed_subreddits_multiselection_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_subscribed_thing_listing_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_view_post_detail_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"

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

@@ -119,20 +119,20 @@
 
         </com.google.android.material.appbar.CollapsingToolbarLayout>
 
-        <com.google.android.material.tabs.TabLayout
-            android:id="@+id/tab_layout_view_user_detail_activity"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="bottom"
-            app:layout_scrollFlags="scroll|enterAlways"
-            app:tabGravity="fill"
-            app:tabMode="fixed"
-            app:tabIndicatorHeight="3dp"
-            app:tabRippleColor="?attr/colorControlHighlight"
-            app:tabUnboundedRipple="false" />
-
     </com.google.android.material.appbar.AppBarLayout>
 
+    <com.google.android.material.tabs.TabLayout
+        android:id="@+id/tab_layout_view_user_detail_activity"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom"
+        app:layout_scrollFlags="scroll|enterAlways"
+        app:tabGravity="fill"
+        app:tabMode="fixed"
+        app:tabIndicatorHeight="3dp"
+        app:tabRippleColor="?attr/colorControlHighlight"
+        app:tabUnboundedRipple="false" />
+
     <androidx.viewpager2.widget.ViewPager2
         android:id="@+id/view_pager_view_user_detail_activity"
         android:layout_width="match_parent"

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

@@ -14,6 +14,7 @@
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_wiki_activity"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_scrollFlags="scroll|enterAlways"