app/src/main/java/io/lbry/browser/FirstRunActivity.java

@@ -172,8 +172,8 @@ public class FirstRunActivity extends AppCompatActivity {
     }
 
     private static class CheckInstallIdTask extends AsyncTask<Void, Void, Boolean> {
-        private Context context;
+        private final Context context;
-        private InstallIdHandler handler;
+        private final InstallIdHandler handler;
         public CheckInstallIdTask(Context context, InstallIdHandler handler) {
             this.context = context;
             this.handler = handler;
@@ -236,7 +236,7 @@ public class FirstRunActivity extends AppCompatActivity {
     }
 
     private static class AuthenticateTask extends AsyncTask<Void, Void, Void> {
-        private Context context;
+        private final Context context;
         public AuthenticateTask(Context context) {
             this.context = context;
         }

app/src/main/java/io/lbry/browser/MainActivity.java

@@ -260,7 +260,7 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
     public static boolean startingFilePickerActivity = false;
     public static boolean startingShareActivity = false;
     public static boolean startingPermissionRequest = false;
-    public static boolean startingSignInFlowActivity = false;
+    public static final boolean startingSignInFlowActivity = false;
 
     private ActionMode actionMode;
     private BillingClient billingClient;
@@ -403,7 +403,7 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
     private List<FetchClaimsListener> fetchClaimsListeners;
     private List<FetchChannelsListener> fetchChannelsListeners;
     @Getter
-    private ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();
+    private final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();
     private boolean walletBalanceUpdateScheduled;
     private boolean shouldOpenUserSelectedMenuItem;
     private boolean walletSyncScheduled;
@@ -1012,7 +1012,7 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
         openFragment(RewardsFragment.class, true, NavMenuItem.ID_ITEM_REWARDS);
     }
 
-    private FragmentManager.OnBackStackChangedListener backStackChangedListener = new FragmentManager.OnBackStackChangedListener() {
+    private final FragmentManager.OnBackStackChangedListener backStackChangedListener = new FragmentManager.OnBackStackChangedListener() {
         @Override
         public void onBackStackChanged() {
             FragmentManager manager = getSupportFragmentManager();
@@ -3246,8 +3246,8 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
     }
 
     private static class CheckSdkReadyTask extends AsyncTask<Void, Void, Boolean> {
-        private Context context;
+        private final Context context;
-        private List<SdkStatusListener> listeners;
+        private final List<SdkStatusListener> listeners;
 
         public CheckSdkReadyTask(Context context, List<SdkStatusListener> listeners) {
             this.context = context;

app/src/main/java/io/lbry/browser/VerificationActivity.java

@@ -56,7 +56,7 @@ public class VerificationActivity extends FragmentActivity implements SignInList
     private boolean signedIn;
     private int flow;
 
-    private PurchasesUpdatedListener purchasesUpdatedListener = new PurchasesUpdatedListener() {
+    private final PurchasesUpdatedListener purchasesUpdatedListener = new PurchasesUpdatedListener() {
         @Override
         public void onPurchasesUpdated(@NonNull BillingResult billingResult, @Nullable List<Purchase> purchases) {
             int responseCode = billingResult.getResponseCode();

app/src/main/java/io/lbry/browser/adapter/ChannelFilterListAdapter.java

@@ -23,7 +23,7 @@ import lombok.Getter;
 import lombok.Setter;
 
 public class ChannelFilterListAdapter extends RecyclerView.Adapter<ChannelFilterListAdapter.ViewHolder> {
-    private Context context;
+    private final Context context;
     private List<Claim> items;
     @Getter
     @Setter
@@ -42,12 +42,12 @@ public class ChannelFilterListAdapter extends RecyclerView.Adapter<ChannelFilter
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected View mediaContainer;
+        protected final View mediaContainer;
-        protected View alphaContainer;
+        protected final View alphaContainer;
-        protected View allView;
+        protected final View allView;
-        protected ImageView thumbnailView;
+        protected final ImageView thumbnailView;
-        protected TextView alphaView;
+        protected final TextView alphaView;
-        protected TextView titleView;
+        protected final TextView titleView;
         public ViewHolder(View v) {
             super(v);
             mediaContainer = v.findViewById(R.id.channel_filter_media_container);

app/src/main/java/io/lbry/browser/adapter/ClaimListAdapter.java

@@ -37,18 +37,18 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
     private static final int VIEW_TYPE_CHANNEL = 2;
     private static final int VIEW_TYPE_FEATURED = 3; // featured search result
 
-    private Map<String, Claim> quickClaimIdMap;
+    private final Map<String, Claim> quickClaimIdMap;
-    private Map<String, Claim> quickClaimUrlMap;
+    private final Map<String, Claim> quickClaimUrlMap;
-    private Map<String, Boolean> notFoundClaimIdMap;
+    private final Map<String, Boolean> notFoundClaimIdMap;
-    private Map<String, Boolean> notFoundClaimUrlMap;
+    private final Map<String, Boolean> notFoundClaimUrlMap;
 
     @Setter
     private boolean hideFee;
     @Setter
     private boolean canEnterSelectionMode;
-    private Context context;
+    private final Context context;
     private List<Claim> items;
-    private List<Claim> selectedItems;
+    private final List<Claim> selectedItems;
     @Setter
     private ClaimListItemListener listener;
     @Getter
@@ -176,27 +176,27 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected View feeContainer;
+        protected final View feeContainer;
-        protected TextView feeView;
+        protected final TextView feeView;
-        protected ImageView thumbnailView;
+        protected final ImageView thumbnailView;
-        protected View noThumbnailView;
+        protected final View noThumbnailView;
-        protected TextView alphaView;
+        protected final TextView alphaView;
-        protected TextView vanityUrlView;
+        protected final TextView vanityUrlView;
-        protected TextView durationView;
+        protected final TextView durationView;
-        protected TextView titleView;
+        protected final TextView titleView;
-        protected TextView publisherView;
+        protected final TextView publisherView;
-        protected TextView publishTimeView;
+        protected final TextView publishTimeView;
-        protected TextView pendingTextView;
+        protected final TextView pendingTextView;
-        protected View repostInfoView;
+        protected final View repostInfoView;
-        protected TextView repostChannelView;
+        protected final TextView repostChannelView;
-        protected View selectedOverlayView;
+        protected final View selectedOverlayView;
-        protected TextView fileSizeView;
+        protected final TextView fileSizeView;
-        protected ProgressBar downloadProgressView;
+        protected final ProgressBar downloadProgressView;
-        protected TextView deviceView;
+        protected final TextView deviceView;
 
-        protected View loadingImagePlaceholder;
+        protected final View loadingImagePlaceholder;
-        protected View loadingTextPlaceholder1;
+        protected final View loadingTextPlaceholder1;
-        protected View loadingTextPlaceholder2;
+        protected final View loadingTextPlaceholder2;
         public ViewHolder(View v) {
             super(v);
             feeContainer = v.findViewById(R.id.claim_fee_container);

app/src/main/java/io/lbry/browser/adapter/CommentListAdapter.java

@@ -27,9 +27,9 @@ import io.lbry.browser.utils.LbryUri;
 import lombok.Setter;
 
 public class CommentListAdapter extends RecyclerView.Adapter<CommentListAdapter.ViewHolder> {
-    private List<Comment> items;
+    private final List<Comment> items;
-    private Context context;
+    private final Context context;
-    private boolean nested;
+    private final boolean nested;
     private float scale;
     @Setter
     private ClaimListAdapter.ClaimListItemListener listener;
@@ -102,14 +102,14 @@ public class CommentListAdapter extends RecyclerView.Adapter<CommentListAdapter.
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected TextView channelName;
+        protected final TextView channelName;
-        protected TextView commentText;
+        protected final TextView commentText;
-        protected ImageView thumbnailView;
+        protected final ImageView thumbnailView;
-        protected View noThumbnailView;
+        protected final View noThumbnailView;
-        protected TextView alphaView;
+        protected final TextView alphaView;
-        protected TextView commentTimeView;
+        protected final TextView commentTimeView;
-        protected View replyLink;
+        protected final View replyLink;
-        protected RecyclerView repliesList;
+        protected final RecyclerView repliesList;
 
         public ViewHolder (View v) {
             super(v);

app/src/main/java/io/lbry/browser/adapter/EditorsChoiceItemAdapter.java

@@ -23,8 +23,8 @@ public class EditorsChoiceItemAdapter extends RecyclerView.Adapter<EditorsChoice
     private static final int VIEW_TYPE_HEADER = 1;
     private static final int VIEW_TYPE_CONTENT = 2;
 
-    private Context context;
+    private final Context context;
-    private List<EditorsChoiceItem> items;
+    private final List<EditorsChoiceItem> items;
     @Setter
     private EditorsChoiceItemListener listener;
 
@@ -48,11 +48,11 @@ public class EditorsChoiceItemAdapter extends RecyclerView.Adapter<EditorsChoice
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected ImageView thumbnailView;
+        protected final ImageView thumbnailView;
-        protected TextView descriptionView;
+        protected final TextView descriptionView;
-        protected TextView headerView;
+        protected final TextView headerView;
-        protected TextView titleView;
+        protected final TextView titleView;
-        protected View cardView;
+        protected final View cardView;
 
         public ViewHolder(View v) {
             super(v);

app/src/main/java/io/lbry/browser/adapter/GalleryGridAdapter.java

@@ -21,8 +21,8 @@ import io.lbry.browser.utils.Helper;
 import lombok.Setter;
 
 public class GalleryGridAdapter extends RecyclerView.Adapter<GalleryGridAdapter.ViewHolder> {
-    private Context context;
+    private final Context context;
-    private List<GalleryItem> items;
+    private final List<GalleryItem> items;
     @Setter
     private GalleryItemClickListener listener;
 
@@ -32,8 +32,8 @@ public class GalleryGridAdapter extends RecyclerView.Adapter<GalleryGridAdapter.
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected ImageView thumbnailView;
+        protected final ImageView thumbnailView;
-        protected TextView durationView;
+        protected final TextView durationView;
         public ViewHolder(View v) {
             super(v);
             thumbnailView = v.findViewById(R.id.gallery_item_thumbnail);
@@ -96,8 +96,8 @@ public class GalleryGridAdapter extends RecyclerView.Adapter<GalleryGridAdapter.
 
     public static  class GalleryGridItemDecoration extends RecyclerView.ItemDecoration {
 
-        private int spanCount;
+        private final int spanCount;
-        private int spacing;
+        private final int spacing;
 
         public GalleryGridItemDecoration(int spanCount, int spacing) {
             this.spanCount = spanCount;

app/src/main/java/io/lbry/browser/adapter/InlineChannelSpinnerAdapter.java

@@ -18,9 +18,9 @@ import io.lbry.browser.model.Claim;
 
 public class InlineChannelSpinnerAdapter extends ArrayAdapter<Claim> {
 
-    private List<Claim> channels;
+    private final List<Claim> channels;
-    private int layoutResourceId;
+    private final int layoutResourceId;
-    private LayoutInflater inflater;
+    private final LayoutInflater inflater;
 
     public InlineChannelSpinnerAdapter(Context context, int resource, List<Claim> channels) {
         super(context, resource, 0, channels);

app/src/main/java/io/lbry/browser/adapter/InviteeListAdapter.java

@@ -24,8 +24,8 @@ import lombok.Setter;
 
 public class InviteeListAdapter extends RecyclerView.Adapter<InviteeListAdapter.ViewHolder> {
 
-    private Context context;
+    private final Context context;
-    private List<Invitee> items;
+    private final List<Invitee> items;
 
     public InviteeListAdapter(List<Invitee> invitees, Context context) {
         this.context = context;
@@ -80,8 +80,8 @@ public class InviteeListAdapter extends RecyclerView.Adapter<InviteeListAdapter.
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected TextView emailView;
+        protected final TextView emailView;
-        protected TextView rewardView;
+        protected final TextView rewardView;
 
         public ViewHolder(View v) {
             super(v);

app/src/main/java/io/lbry/browser/adapter/LanguageSpinnerAdapter.java

@@ -15,8 +15,8 @@ import io.lbry.browser.model.Language;
 import io.lbry.browser.utils.Predefined;
 
 public class LanguageSpinnerAdapter extends ArrayAdapter<Language> {
-    private int layoutResourceId;
+    private final int layoutResourceId;
-    private LayoutInflater inflater;
+    private final LayoutInflater inflater;
 
     public LanguageSpinnerAdapter(Context context, int resource) {
         super(context, resource, 0, Predefined.PUBLISH_LANGUAGES);

app/src/main/java/io/lbry/browser/adapter/LicenseSpinnerAdapter.java

@@ -15,8 +15,8 @@ import io.lbry.browser.model.License;
 import io.lbry.browser.utils.Predefined;
 
 public class LicenseSpinnerAdapter extends ArrayAdapter<License> {
-    private int layoutResourceId;
+    private final int layoutResourceId;
-    private LayoutInflater inflater;
+    private final LayoutInflater inflater;
 
     public LicenseSpinnerAdapter(Context context, int resource) {
         super(context, resource, 0, Predefined.LICENSES);

app/src/main/java/io/lbry/browser/adapter/NavigationMenuAdapter.java

@@ -24,8 +24,8 @@ public class NavigationMenuAdapter extends RecyclerView.Adapter<NavigationMenuAd
     private static final int TYPE_GROUP = 1;
     private static final int TYPE_ITEM = 2;
 
-    private Context context;
+    private final Context context;
-    private List<NavMenuItem> menuItems;
+    private final List<NavMenuItem> menuItems;
     private NavMenuItem currentItem;
     @Setter
     private NavigationMenuItemClickListener listener;
@@ -65,8 +65,8 @@ public class NavigationMenuAdapter extends RecyclerView.Adapter<NavigationMenuAd
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected SolidIconView iconView;
+        protected final SolidIconView iconView;
-        protected TextView titleView;
+        protected final TextView titleView;
         public ViewHolder(View v) {
             super(v);
             titleView = v.findViewById(R.id.nav_menu_title);

app/src/main/java/io/lbry/browser/adapter/NotificationListAdapter.java

@@ -43,9 +43,9 @@ public class NotificationListAdapter extends RecyclerView.Adapter<NotificationLi
     private static final String RULE_CREATOR_SUBSCRIBER = "creator_subscriber";
     private static final String RULE_COMMENT = "comment";
 
-    private Context context;
+    private final Context context;
-    private List<LbryNotification> items;
+    private final List<LbryNotification> items;
-    private List<LbryNotification> selectedItems;
+    private final List<LbryNotification> selectedItems;
     @Setter
     private NotificationClickListener clickListener;
     @Getter
@@ -62,13 +62,13 @@ public class NotificationListAdapter extends RecyclerView.Adapter<NotificationLi
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected View layoutView;
+        protected final View layoutView;
-        protected TextView titleView;
+        protected final TextView titleView;
-        protected TextView bodyView;
+        protected final TextView bodyView;
-        protected TextView timeView;
+        protected final TextView timeView;
-        protected SolidIconView iconView;
+        protected final SolidIconView iconView;
-        protected ImageView thumbnailView;
+        protected final ImageView thumbnailView;
-        protected View selectedOverlayView;
+        protected final View selectedOverlayView;
         public ViewHolder(View v) {
             super(v);
             layoutView = v.findViewById(R.id.notification_layout);

app/src/main/java/io/lbry/browser/adapter/RewardListAdapter.java

@@ -32,7 +32,7 @@ public class RewardListAdapter extends RecyclerView.Adapter<RewardListAdapter.Vi
     public static final int DISPLAY_MODE_ALL = 1;
     public static final int DISPLAY_MODE_UNCLAIMED = 2;
 
-    private Context context;
+    private final Context context;
     @Setter
     private List<Reward> all;
     private List<Reward> items;
@@ -85,16 +85,16 @@ public class RewardListAdapter extends RecyclerView.Adapter<RewardListAdapter.Vi
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected View iconClaimed;
+        protected final View iconClaimed;
-        protected View loading;
+        protected final View loading;
-        protected View upTo;
+        protected final View upTo;
-        protected TextView textTitle;
+        protected final TextView textTitle;
-        protected TextView textDescription;
+        protected final TextView textDescription;
-        protected TextView textLbcValue;
+        protected final TextView textLbcValue;
-        protected TextView textUsdValue;
+        protected final TextView textUsdValue;
-        protected TextView textLinkTransaction;
+        protected final TextView textLinkTransaction;
-        protected EditText inputCustomCode;
+        protected final EditText inputCustomCode;
-        protected MaterialButton buttonClaimCustom;
+        protected final MaterialButton buttonClaimCustom;
         public ViewHolder(View v) {
             super(v);
             iconClaimed = v.findViewById(R.id.reward_item_claimed_icon);

app/src/main/java/io/lbry/browser/adapter/SuggestedChannelGridAdapter.java

@@ -22,9 +22,9 @@ import io.lbry.browser.utils.Helper;
 import lombok.Setter;
 
 public class SuggestedChannelGridAdapter extends RecyclerView.Adapter<SuggestedChannelGridAdapter.ViewHolder> {
-    private Context context;
+    private final Context context;
-    private List<Claim> items;
+    private final List<Claim> items;
-    private List<Claim> selectedItems;
+    private final List<Claim> selectedItems;
     @Setter
     private ChannelItemSelectionListener listener;
 
@@ -35,11 +35,11 @@ public class SuggestedChannelGridAdapter extends RecyclerView.Adapter<SuggestedC
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected View noThumbnailView;
+        protected final View noThumbnailView;
-        protected ImageView thumbnailView;
+        protected final ImageView thumbnailView;
-        protected TextView alphaView;
+        protected final TextView alphaView;
-        protected TextView titleView;
+        protected final TextView titleView;
-        protected TextView tagView;
+        protected final TextView tagView;
         public ViewHolder(View v) {
             super(v);
             noThumbnailView = v.findViewById(R.id.suggested_channel_no_thumbnail);

app/src/main/java/io/lbry/browser/adapter/TagListAdapter.java

@@ -23,12 +23,13 @@ public class TagListAdapter extends RecyclerView.Adapter<TagListAdapter.ViewHold
     public static final int CUSTOMIZE_MODE_ADD = 1;
     public static final int CUSTOMIZE_MODE_REMOVE = 2;
 
-    private Context context;
+    private final Context context;
     private List<Tag> items;
     @Setter
     private TagClickListener clickListener;
-    @Getter
+
     @Setter
+    @Getter
     private int customizeMode;
 
     public TagListAdapter(List<Tag> tags, Context context) {
@@ -38,8 +39,8 @@ public class TagListAdapter extends RecyclerView.Adapter<TagListAdapter.ViewHold
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected ImageView iconView;
+        protected final ImageView iconView;
-        protected TextView nameView;
+        protected final TextView nameView;
         public ViewHolder(View v) {
             super(v);
             iconView = v.findViewById(R.id.tag_action);

app/src/main/java/io/lbry/browser/adapter/TransactionListAdapter.java

@@ -26,8 +26,8 @@ public class TransactionListAdapter extends RecyclerView.Adapter<TransactionList
     private static final DecimalFormat TX_LIST_AMOUNT_FORMAT = new DecimalFormat("#,##0.0000");
     private static final SimpleDateFormat TX_LIST_DATE_FORMAT = new SimpleDateFormat("MMM d");
 
-    private Context context;
+    private final Context context;
-    private List<Transaction> items;
+    private final List<Transaction> items;
     @Setter
     private TransactionClickListener listener;
 
@@ -107,14 +107,14 @@ public class TransactionListAdapter extends RecyclerView.Adapter<TransactionList
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected TextView descView;
+        protected final TextView descView;
-        protected TextView amountView;
+        protected final TextView amountView;
-        protected TextView claimView;
+        protected final TextView claimView;
-        protected TextView feeView;
+        protected final TextView feeView;
-        protected TextView txidLinkView;
+        protected final TextView txidLinkView;
-        protected TextView dateView;
+        protected final TextView dateView;
-        protected TextView pendingView;
+        protected final TextView pendingView;
-        protected View infoFeeContainer;
+        protected final View infoFeeContainer;
 
         public ViewHolder(View v) {
             super(v);

app/src/main/java/io/lbry/browser/adapter/UrlSuggestionListAdapter.java

@@ -21,8 +21,8 @@ import io.lbry.browser.utils.LbryUri;
 import lombok.Setter;
 
 public class UrlSuggestionListAdapter extends RecyclerView.Adapter<UrlSuggestionListAdapter.ViewHolder> {
-    private Context context;
+    private final Context context;
-    private List<UrlSuggestion> items;
+    private final List<UrlSuggestion> items;
     @Setter
     private UrlSuggestionClickListener listener;
 
@@ -130,9 +130,9 @@ public class UrlSuggestionListAdapter extends RecyclerView.Adapter<UrlSuggestion
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected SolidIconView iconView;
+        protected final SolidIconView iconView;
-        protected TextView titleView;
+        protected final TextView titleView;
-        protected TextView descView;
+        protected final TextView descView;
         public ViewHolder(View v) {
             super(v);
             iconView = v.findViewById(R.id.url_suggestion_icon);

app/src/main/java/io/lbry/browser/adapter/VerificationPagerAdapter.java

@@ -25,7 +25,7 @@ public class VerificationPagerAdapter extends FragmentStateAdapter {
     public static final int PAGE_VERIFICATION_WALLET = 2;
     public static final int PAGE_VERIFICATION_MANUAL = 3;
 
-    private FragmentActivity activity;
+    private final FragmentActivity activity;
 
     public VerificationPagerAdapter(FragmentActivity activity) {
         super(activity);

app/src/main/java/io/lbry/browser/dialog/ContentFromDialogFragment.java

@@ -67,8 +67,8 @@ public class ContentFromDialogFragment extends BottomSheetDialogFragment {
                 R.id.content_from_past_year_item,
                 R.id.content_from_all_time_item
         };
-        private BottomSheetDialogFragment dialog;
+        private final BottomSheetDialogFragment dialog;
-        private ContentFromListener listener;
+        private final ContentFromListener listener;
 
         public ContentFromItemClickListener(BottomSheetDialogFragment dialog, ContentFromListener listener) {
             this.dialog = dialog;

app/src/main/java/io/lbry/browser/dialog/ContentScopeDialogFragment.java

@@ -54,8 +54,8 @@ public class ContentScopeDialogFragment extends BottomSheetDialogFragment {
         private final int[] checkViewIds = {
                 R.id.content_scope_everyone_item_selected, R.id.content_scope_tags_item_selected
         };
-        private BottomSheetDialogFragment dialog;
+        private final BottomSheetDialogFragment dialog;
-        private ContentScopeListener listener;
+        private final ContentScopeListener listener;
 
         public ContentScopeItemClickListener(BottomSheetDialogFragment dialog, ContentScopeListener listener) {
             this.dialog = dialog;

app/src/main/java/io/lbry/browser/dialog/ContentSortDialogFragment.java

@@ -57,8 +57,8 @@ public class ContentSortDialogFragment extends BottomSheetDialogFragment {
         private final int[] checkViewIds = {
                 R.id.sort_by_trending_item_selected, R.id.sort_by_new_item_selected, R.id.sort_by_top_item_selected
         };
-        private BottomSheetDialogFragment dialog;
+        private final BottomSheetDialogFragment dialog;
-        private SortByListener listener;
+        private final SortByListener listener;
 
         public SortByItemClickListener(BottomSheetDialogFragment dialog, SortByListener listener) {
             this.dialog = dialog;

app/src/main/java/io/lbry/browser/dialog/CustomizeTagsDialogFragment.java

@@ -142,7 +142,7 @@ public class CustomizeTagsDialogFragment extends BottomSheetDialogFragment {
         return view;
     }
 
-    private TagListAdapter.TagClickListener customizeTagClickListener = new TagListAdapter.TagClickListener() {
+    private final TagListAdapter.TagClickListener customizeTagClickListener = new TagListAdapter.TagClickListener() {
         @Override
         public void onTagClicked(Tag tag, int customizeMode) {
             if (customizeMode == TagListAdapter.CUSTOMIZE_MODE_ADD) {

app/src/main/java/io/lbry/browser/model/ClaimSearchCacheValue.java

@@ -9,11 +9,9 @@ import lombok.Setter;
 
 public class ClaimSearchCacheValue {
     @Getter
-    @Setter
+    private final List<Claim> claims;
-    private List<Claim> claims;
     @Getter
-    @Setter
+    private final long timestamp;
-    private long timestamp;
 
     public ClaimSearchCacheValue(List<Claim> claims, long timestamp) {
         this.claims = new ArrayList<>(claims);

app/src/main/java/io/lbry/browser/model/Language.java

@@ -4,9 +4,9 @@ import lombok.Data;
 
 @Data
 public class Language {
-    private String code;
+    private final String code;
-    private String name;
+    private final String name;
-    private int stringResourceId;
+    private final int stringResourceId;
 
     public Language(String code, String name, int stringResourceId) {
         this.code = code;

app/src/main/java/io/lbry/browser/model/License.java

@@ -4,9 +4,9 @@ import lombok.Data;
 
 @Data
 public class License {
-    private String name;
+    private final String name;
     private String url;
-    private int stringResourceId;
+    private final int stringResourceId;
 
     public License(String name, int stringResourceId) {
         this.name = name;

app/src/main/java/io/lbry/browser/model/NavMenuItem.java

@@ -37,8 +37,8 @@ public class NavMenuItem {
     public static final int ID_ITEM_SETTINGS = 401;
     public static final int ID_ITEM_ABOUT = 402;
 
-    private Context context;
+    private final Context context;
-    private int id;
+    private final int id;
     private boolean group;
     private int icon;
     private String title;

app/src/main/java/io/lbry/browser/model/StartupStage.java

@@ -1,8 +1,8 @@
 package io.lbry.browser.model;
 
 public class StartupStage {
-    public Integer stage;
+    public final Integer stage;
-    public Boolean stageDone;
+    public final Boolean stageDone;
 
     public StartupStage(Integer stage, Boolean stageDone) {
         this.stage = stage;

app/src/main/java/io/lbry/browser/model/WalletBalance.java

@@ -6,14 +6,28 @@ import java.math.BigDecimal;
 
 import io.lbry.browser.utils.Helper;
 import lombok.Data;
+import lombok.Getter;
+import lombok.Setter;
 
 @Data
 public class WalletBalance {
+    @Setter
+    @Getter
     private BigDecimal available;
+    @Setter
+    @Getter
     private BigDecimal reserved;
+    @Setter
+    @Getter
     private BigDecimal claims;
+    @Setter
+    @Getter
     private BigDecimal supports;
+    @Setter
+    @Getter
     private BigDecimal tips;
+    @Setter
+    @Getter
     private BigDecimal total;
 
     public WalletBalance() {

app/src/main/java/io/lbry/browser/model/WalletSync.java

@@ -1,11 +1,15 @@
 package io.lbry.browser.model;
 
 import lombok.Data;
+import lombok.Getter;
 
 @Data
 public class WalletSync {
-    private String hash;
+    @Getter
-    private String data;
+    private final String hash;
+    @Getter
+    private final String data;
+    @Getter
     private boolean changed;
 
     public WalletSync(String hash, String data) {
@@ -17,4 +21,5 @@ public class WalletSync {
         this(hash, data);
         this.changed = changed;
     }
+
 }

app/src/main/java/io/lbry/browser/tasks/BufferEventTask.java

@@ -17,11 +17,11 @@ public class BufferEventTask extends AsyncTask<Void, Void, Void> {
     private static final String TAG = "LbryBufferEvent";
     private static final String ENDPOINT = "https://collector-service.api.lbry.tv/api/v1/events/video";
 
-    private String streamUrl;
+    private final String streamUrl;
-    private String userIdHash;
+    private final String userIdHash;
-    private long streamDuration;
+    private final long streamDuration;
-    private long streamPosition;
+    private final long streamPosition;
-    private long bufferDuration;
+    private final long bufferDuration;
 
     public BufferEventTask(String streamUrl, long streamDuration, long streamPosition, long bufferDuration, String userIdHash) {
         this.streamUrl = streamUrl;

app/src/main/java/io/lbry/browser/tasks/CommentCreateTask.java

@@ -27,9 +27,9 @@ import okhttp3.Response;
 public class CommentCreateTask extends AsyncTask<Void, Void, Comment> {
     private static final String STATUS_ENDPOINT = "https://comments.lbry.com";
 
-    private Comment comment;
+    private final Comment comment;
-    private View progressView;
+    private final View progressView;
-    private CommentCreateWithTipHandler handler;
+    private final CommentCreateWithTipHandler handler;
     private Exception error;
 
     public CommentCreateTask(Comment comment, View progressView, CommentCreateWithTipHandler handler) {

app/src/main/java/io/lbry/browser/tasks/CommentListTask.java

@@ -21,8 +21,8 @@ public class CommentListTask extends AsyncTask<Void, Void, List<Comment>> {
     private final int page;
     private final int pageSize;
     private final String claim;
-    private ProgressBar progressBar;
+    private final ProgressBar progressBar;
-    private CommentListHandler handler;
+    private final CommentListHandler handler;
     private Exception error;
 
     public CommentListTask(int page, int pageSize, String claim, ProgressBar progressBar, CommentListHandler handler) {

app/src/main/java/io/lbry/browser/tasks/FollowUnfollowTagTask.java

@@ -10,10 +10,10 @@ import io.lbry.browser.model.Tag;
 import io.lbry.browser.utils.Lbry;
 
 public class FollowUnfollowTagTask extends AsyncTask<Void, Void, Boolean> {
-    private Tag tag;
+    private final Tag tag;
-    private boolean unfollowing;
+    private final boolean unfollowing;
-    private Context context;
+    private final Context context;
-    private FollowUnfollowTagHandler handler;
+    private final FollowUnfollowTagHandler handler;
     private Exception error;
 
     public FollowUnfollowTagTask(Tag tag, boolean unfollowing, Context context, FollowUnfollowTagHandler handler) {

app/src/main/java/io/lbry/browser/tasks/LighthouseAutoCompleteTask.java

@@ -12,9 +12,9 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lighthouse;
 
 public class LighthouseAutoCompleteTask extends AsyncTask<Void, Void, List<UrlSuggestion>> {
-    private String text;
+    private final String text;
-    private AutoCompleteResultHandler handler;
+    private final AutoCompleteResultHandler handler;
-    private View progressView;
+    private final View progressView;
     private Exception error;
 
     public LighthouseAutoCompleteTask(String text, View progressView, AutoCompleteResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/LighthouseSearchTask.java

@@ -14,13 +14,13 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lighthouse;
 
 public class LighthouseSearchTask extends AsyncTask<Void, Void, List<Claim>> {
-    private String rawQuery;
+    private final String rawQuery;
-    private int size;
+    private final int size;
-    private int from;
+    private final int from;
-    private boolean nsfw;
+    private final boolean nsfw;
-    private String relatedTo;
+    private final String relatedTo;
-    private ClaimSearchResultHandler handler;
+    private final ClaimSearchResultHandler handler;
-    private ProgressBar progressBar;
+    private final ProgressBar progressBar;
     private Exception error;
 
     public LighthouseSearchTask(String rawQuery, int size, int from, boolean nsfw, String relatedTo, ProgressBar progressBar, ClaimSearchResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/LoadTagsTask.java

@@ -18,8 +18,8 @@ import io.lbry.browser.model.Tag;
 import io.lbry.browser.utils.Helper;
 
 public class LoadTagsTask extends AsyncTask<Void, Void, List<Tag>> {
-    private Context context;
+    private final Context context;
-    private LoadTagsHandler handler;
+    private final LoadTagsHandler handler;
     private Exception error;
 
     public LoadTagsTask(Context context, LoadTagsHandler handler) {

app/src/main/java/io/lbry/browser/tasks/MergeSubscriptionsTask.java

@@ -29,12 +29,12 @@ import okhttp3.Response;
 // background task to create a diff of local and remote subscriptions and try to merge
 public class MergeSubscriptionsTask extends AsyncTask<Void, Void, List<Subscription>> {
     private static final String TAG = "MergeSubscriptionsTask";
-    private Context context;
+    private final Context context;
-    private List<Subscription> base;
+    private final List<Subscription> base;
     private List<Subscription> diff;
-    private MergeSubscriptionsHandler handler;
+    private final MergeSubscriptionsHandler handler;
     private Exception error;
-    private boolean replaceLocal;
+    private final boolean replaceLocal;
 
     public MergeSubscriptionsTask(List<Subscription> base, boolean replaceLocal, Context context, MergeSubscriptionsHandler handler) {
         this.base = base;

app/src/main/java/io/lbry/browser/tasks/ReadTextFileTask.java

@@ -13,9 +13,9 @@ import java.nio.Buffer;
 import io.lbry.browser.utils.Helper;
 
 public class ReadTextFileTask extends AsyncTask<Void, Void, String> {
-    private String filePath;
+    private final String filePath;
     private Exception error;
-    private ReadTextFileHandler handler;
+    private final ReadTextFileHandler handler;
     public ReadTextFileTask(String filePath, ReadTextFileHandler handler) {
         this.filePath = filePath;
         this.handler = handler;

app/src/main/java/io/lbry/browser/tasks/SetSdkSettingTask.java

@@ -9,9 +9,9 @@ import io.lbry.browser.exceptions.ApiCallException;
 import io.lbry.browser.utils.Lbry;
 
 public class SetSdkSettingTask extends AsyncTask<Void, Void, Boolean> {
-    private String key;
+    private final String key;
-    private String value;
+    private final String value;
-    private GenericTaskHandler handler;
+    private final GenericTaskHandler handler;
     private Exception error;
     public SetSdkSettingTask(String key, String value, GenericTaskHandler handler) {
         this.key = key;

app/src/main/java/io/lbry/browser/tasks/UpdateSuggestedTagsTask.java

@@ -13,13 +13,13 @@ import io.lbry.browser.utils.Lbry;
 
 public class UpdateSuggestedTagsTask extends AsyncTask<Void, Void, List<Tag>> {
 
-    private boolean clearPrevious;
+    private final boolean clearPrevious;
-    private boolean excludeMature;
+    private final boolean excludeMature;
-    private int limit;
+    private final int limit;
-    private String filter;
+    private final String filter;
-    private TagListAdapter addedTagsAdapter;
+    private final TagListAdapter addedTagsAdapter;
-    private TagListAdapter suggestedTagsAdapter;
+    private final TagListAdapter suggestedTagsAdapter;
-    private KnownTagsHandler handler;
+    private final KnownTagsHandler handler;
 
     public UpdateSuggestedTagsTask(
             String filter,

app/src/main/java/io/lbry/browser/tasks/UploadImageTask.java

@@ -21,9 +21,9 @@ import okhttp3.RequestBody;
 import okhttp3.Response;
 
 public class UploadImageTask extends AsyncTask<Void, Void, String> {
-    private String filePath;
+    private final String filePath;
-    private View progressView;
+    private final View progressView;
-    private UploadThumbnailHandler handler;
+    private final UploadThumbnailHandler handler;
     private Exception error;
 
     public UploadImageTask(String filePath, View progressView, UploadThumbnailHandler handler) {

app/src/main/java/io/lbry/browser/tasks/claim/AbandonChannelTask.java

@@ -16,12 +16,12 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class AbandonChannelTask extends AsyncTask<Void, Void, Boolean> {
-    private List<String> claimIds;
+    private final List<String> claimIds;
     private List<String> successfulClaimIds;
     private List<String> failedClaimIds;
     private List<Exception> failedExceptions;
-    private View progressView;
+    private final View progressView;
-    private AbandonHandler handler;
+    private final AbandonHandler handler;
 
     public AbandonChannelTask(List<String> claimIds, View progressView, AbandonHandler handler) {
         this.claimIds = claimIds;

app/src/main/java/io/lbry/browser/tasks/claim/AbandonStreamTask.java

@@ -16,12 +16,12 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class AbandonStreamTask extends AsyncTask<Void, Void, Boolean> {
-    private List<String> claimIds;
+    private final List<String> claimIds;
     private List<String> successfulClaimIds;
     private List<String> failedClaimIds;
     private List<Exception> failedExceptions;
-    private View progressView;
+    private final View progressView;
-    private AbandonHandler handler;
+    private final AbandonHandler handler;
 
     public AbandonStreamTask(List<String> claimIds, View progressView, AbandonHandler handler) {
         this.claimIds = claimIds;

app/src/main/java/io/lbry/browser/tasks/claim/ChannelCreateUpdateTask.java

@@ -21,12 +21,12 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class ChannelCreateUpdateTask extends AsyncTask<Void, Void, Claim> {
-    private Claim claim;
+    private final Claim claim;
-    private BigDecimal deposit;
+    private final BigDecimal deposit;
-    private boolean update;
+    private final boolean update;
     private Exception error;
-    private ClaimResultHandler handler;
+    private final ClaimResultHandler handler;
-    private View progressView;
+    private final View progressView;
 
     public ChannelCreateUpdateTask(Claim claim, BigDecimal deposit, boolean update, View progressView, ClaimResultHandler handler) {
         this.claim = claim;

app/src/main/java/io/lbry/browser/tasks/claim/ClaimListTask.java

@@ -19,9 +19,9 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class ClaimListTask extends AsyncTask<Void, Void, List<Claim>> {
-    private List<String> types;
+    private final List<String> types;
-    private View progressView;
+    private final View progressView;
-    private ClaimListResultHandler handler;
+    private final ClaimListResultHandler handler;
     private Exception error;
 
     public ClaimListTask(String type, View progressView, ClaimListResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/claim/ClaimSearchTask.java

@@ -12,10 +12,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class ClaimSearchTask extends AsyncTask<Void, Void, List<Claim>> {
-    private Map<String, Object> options;
+    private final Map<String, Object> options;
-    private String connectionString;
+    private final String connectionString;
-    private ClaimSearchResultHandler handler;
+    private final ClaimSearchResultHandler handler;
-    private View progressView;
+    private final View progressView;
     private ApiCallException error;
 
     public ClaimSearchTask(Map<String, Object> options, String connectionString, View progressView, ClaimSearchResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/claim/PublishClaimTask.java

@@ -21,10 +21,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class PublishClaimTask extends AsyncTask<Void, Void, Claim> {
-    private Claim claim;
+    private final Claim claim;
-    private String filePath;
+    private final String filePath;
-    private View progressView;
+    private final View progressView;
-    private ClaimResultHandler handler;
+    private final ClaimResultHandler handler;
     private Exception error;
     public PublishClaimTask(Claim claim, String filePath, View progressView, ClaimResultHandler handler) {
         this.claim = claim;

app/src/main/java/io/lbry/browser/tasks/claim/PurchaseListTask.java

@@ -21,8 +21,8 @@ public class PurchaseListTask extends AsyncTask<Void, Void, List<Claim>> {
     private String claimId;
     private int page;
     private int pageSize;
-    private ClaimSearchResultHandler handler;
+    private final ClaimSearchResultHandler handler;
-    private View progressView;
+    private final View progressView;
     private Exception error;
 
     public PurchaseListTask(String claimId, View progressView, ClaimSearchResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/claim/ResolveTask.java

@@ -13,10 +13,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class ResolveTask extends AsyncTask<Void, Void, List<Claim>> {
-    private List<String> urls;
+    private final List<String> urls;
-    private String connectionString;
+    private final String connectionString;
-    private ClaimListResultHandler handler;
+    private final ClaimListResultHandler handler;
-    private View progressView;
+    private final View progressView;
     private ApiCallException error;
 
     public ResolveTask(String url, String connectionString, View progressView, ClaimListResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/claim/StreamRepostTask.java

@@ -20,12 +20,12 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class StreamRepostTask extends AsyncTask<Void, Void, Claim> {
-    private String name;
+    private final String name;
-    private BigDecimal bid;
+    private final BigDecimal bid;
-    private String claimId;
+    private final String claimId;
-    private String channelId;
+    private final String channelId;
-    private View progressView;
+    private final View progressView;
-    private ClaimResultHandler handler;
+    private final ClaimResultHandler handler;
     private Exception error;
 
     public StreamRepostTask(String name, BigDecimal bid, String claimId, String channelId, View progressView, ClaimResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/file/BulkDeleteFilesTask.java

@@ -12,7 +12,7 @@ import io.lbry.browser.utils.Lbry;
 
 // Just run delete on the specified claim IDs (no need for a handler)
 public class BulkDeleteFilesTask extends AsyncTask<Void, Void, Boolean> {
-    private List<String> claimIds;
+    private final List<String> claimIds;
     public BulkDeleteFilesTask(List<String> claimIds) {
         this.claimIds = claimIds;
     }

app/src/main/java/io/lbry/browser/tasks/file/DeleteFileTask.java

@@ -10,9 +10,9 @@ import io.lbry.browser.tasks.GenericTaskHandler;
 import io.lbry.browser.utils.Lbry;
 
 public class DeleteFileTask extends AsyncTask<Void, Void, Boolean> {
-    private String claimId;
+    private final String claimId;
     private Exception error;
-    private GenericTaskHandler handler;
+    private final GenericTaskHandler handler;
 
     public DeleteFileTask(String claimId, GenericTaskHandler handler) {
         this.claimId = claimId;

app/src/main/java/io/lbry/browser/tasks/file/FileListTask.java

@@ -11,12 +11,12 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class FileListTask extends AsyncTask<Void, Void, List<LbryFile>> {
-    private String claimId;
+    private final String claimId;
     private boolean downloads;
     private int page;
     private int pageSize;
-    private FileListResultHandler handler;
+    private final FileListResultHandler handler;
-    private View progressView;
+    private final View progressView;
     private ApiCallException error;
 
     public FileListTask(int page, int pageSize, boolean downloads, View progressView, FileListResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/file/GetFileTask.java

@@ -14,10 +14,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class GetFileTask extends AsyncTask<Void, Void, LbryFile> {
-    private String uri;
+    private final String uri;
-    private boolean saveFile;
+    private final boolean saveFile;
-    private View progressView;
+    private final View progressView;
-    private GetFileHandler handler;
+    private final GetFileHandler handler;
     private Exception error;
 
     public GetFileTask(String uri, boolean saveFile, View progressView, GetFileHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/AndroidPurchaseTask.java

@@ -23,10 +23,10 @@ import io.lbry.browser.utils.Lbryio;
 import okhttp3.Response;
 
 public class AndroidPurchaseTask extends AsyncTask<Void, Void, RewardVerified> {
-    private Context context;
+    private final Context context;
-    private View progressView;
+    private final View progressView;
-    private String purchaseToken;
+    private final String purchaseToken;
-    private RewardVerifiedHandler handler;
+    private final RewardVerifiedHandler handler;
     private Exception error;
 
     public AndroidPurchaseTask(String purchaseToken, View progressView, Context context, RewardVerifiedHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/ChannelSubscribeTask.java

@@ -17,12 +17,12 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class ChannelSubscribeTask extends AsyncTask<Void, Void, Boolean> {
-    private Context context;
+    private final Context context;
-    private String channelClaimId;
+    private final String channelClaimId;
-    private Subscription subscription;
+    private final Subscription subscription;
-    private ChannelSubscribeHandler handler;
+    private final ChannelSubscribeHandler handler;
     private Exception error;
-    private boolean isUnsubscribing;
+    private final boolean isUnsubscribing;
 
     public ChannelSubscribeTask(Context context, String channelClaimId, Subscription subscription, boolean isUnsubscribing, ChannelSubscribeHandler handler) {
         this.context = context;

app/src/main/java/io/lbry/browser/tasks/lbryinc/ClaimRewardTask.java

@@ -25,12 +25,12 @@ import io.lbry.browser.utils.Lbryio;
 
 public class ClaimRewardTask extends AsyncTask<Void, Void, String> {
 
-    private Context context;
+    private final Context context;
-    private String type;
+    private final String type;
-    private String rewardCode;
+    private final String rewardCode;
-    private View progressView;
+    private final View progressView;
     private double amountClaimed;
-    private ClaimRewardHandler handler;
+    private final ClaimRewardHandler handler;
     private Exception error;
 
     public ClaimRewardTask(String type, String rewardCode, View progressView, Context context, ClaimRewardHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/FetchCurrentUserTask.java

@@ -7,9 +7,9 @@ import io.lbry.browser.model.lbryinc.User;
 import io.lbry.browser.utils.Lbryio;
 
 public class FetchCurrentUserTask extends AsyncTask<Void, Void, User> {
-    private Context context;
+    private final Context context;
     private Exception error;
-    private FetchUserTaskHandler handler;
+    private final FetchUserTaskHandler handler;
 
     public FetchCurrentUserTask(Context context, FetchUserTaskHandler handler) {
         this.context = context;

app/src/main/java/io/lbry/browser/tasks/lbryinc/FetchInviteStatusTask.java

@@ -17,8 +17,8 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class FetchInviteStatusTask extends AsyncTask<Void, Void, List<Invitee>> {
-    private FetchInviteStatusHandler handler;
+    private final FetchInviteStatusHandler handler;
-    private View progressView;
+    private final View progressView;
     private Exception error;
 
     public FetchInviteStatusTask(View progressView, FetchInviteStatusHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/FetchReferralCodeTask.java

@@ -12,8 +12,8 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class FetchReferralCodeTask extends AsyncTask<Void, Void, String> {
-    private FetchReferralCodeHandler handler;
+    private final FetchReferralCodeHandler handler;
-    private View progressView;
+    private final View progressView;
     private Exception error;
 
     public FetchReferralCodeTask(View progressView, FetchReferralCodeHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/FetchRewardsTask.java

@@ -18,8 +18,8 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class FetchRewardsTask extends AsyncTask<Void, Void, List<Reward>> {
-    private FetchRewardsHandler handler;
+    private final FetchRewardsHandler handler;
-    private View progressView;
+    private final View progressView;
     private Exception error;
 
     public FetchRewardsTask(View progressView, FetchRewardsHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/FetchStatCountTask.java

@@ -15,10 +15,10 @@ public class FetchStatCountTask extends AsyncTask<Void, Void, Integer> {
     public static final int STAT_VIEW_COUNT = 1;
     public static final int STAT_SUB_COUNT = 2;
 
-    private String claimId;
+    private final String claimId;
-    private int stat;
+    private final int stat;
-    private FetchStatCountHandler handler;
+    private final FetchStatCountHandler handler;
-    private View progressView;
+    private final View progressView;
     private Exception error;
 
     public FetchStatCountTask(int stat, String claimId, View progressView, FetchStatCountHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/FetchSubscriptionsTask.java

@@ -23,9 +23,9 @@ import io.lbry.browser.utils.LbryUri;
 import io.lbry.browser.utils.Lbryio;
 
 public class FetchSubscriptionsTask extends AsyncTask<Void, Void, List<Subscription>> {
-    private Context context;
+    private final Context context;
-    private FetchSubscriptionsHandler handler;
+    private final FetchSubscriptionsHandler handler;
-    private ProgressBar progressBar;
+    private final ProgressBar progressBar;
     private Exception error;
 
     public FetchSubscriptionsTask(Context context, ProgressBar progressBar, FetchSubscriptionsHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/InviteByEmailTask.java

@@ -14,9 +14,9 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class InviteByEmailTask extends AsyncTask<Void, Void, Boolean> {
-    private String email;
+    private final String email;
-    private View progressView;
+    private final View progressView;
-    private GenericTaskHandler handler;
+    private final GenericTaskHandler handler;
     private Exception error;
 
     public InviteByEmailTask(String email, View progressView, GenericTaskHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/LogFileViewTask.java

@@ -15,11 +15,11 @@ import io.lbry.browser.utils.Lbryio;
 import okhttp3.Response;
 
 public class LogFileViewTask extends AsyncTask<Void, Void, Boolean> {
-    private String uri;
+    private final String uri;
-    private Claim claim;
+    private final Claim claim;
     private Exception error;
-    private GenericTaskHandler handler;
+    private final GenericTaskHandler handler;
-    private long timeToStart;
+    private final long timeToStart;
 
     public LogFileViewTask(String uri, Claim claim, long timeToStart, GenericTaskHandler handler) {
         this.uri = uri;

app/src/main/java/io/lbry/browser/tasks/lbryinc/LogPublishTask.java

@@ -13,7 +13,7 @@ import io.lbry.browser.utils.Lbryio;
 import okhttp3.Response;
 
 public class LogPublishTask extends AsyncTask<Void, Void, Void> {
-    private Claim claimResult;
+    private final Claim claimResult;
     public LogPublishTask(Claim claimResult) {
         this.claimResult = claimResult;
     }

app/src/main/java/io/lbry/browser/tasks/lbryinc/NotificationDeleteTask.java

@@ -12,7 +12,7 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class NotificationDeleteTask extends AsyncTask<Void, Void, Boolean> {
-    private List<Long> ids;
+    private final List<Long> ids;
 
     public NotificationDeleteTask(List<Long> ids) {
         this.ids = ids;

app/src/main/java/io/lbry/browser/tasks/lbryinc/NotificationListTask.java

@@ -30,9 +30,9 @@ import io.lbry.browser.utils.Lbryio;
 public class NotificationListTask extends AsyncTask<Void, Void, List<LbryNotification>> {
     private static final String TAG = "Notifications";
 
-    private Context context;
+    private final Context context;
-    private ListNotificationsHandler handler;
+    private final ListNotificationsHandler handler;
-    private ProgressBar progressBar;
+    private final ProgressBar progressBar;
     private Exception error;
 
     public NotificationListTask(Context context, ProgressBar progressBar, ListNotificationsHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/NotificationUpdateTask.java

@@ -12,10 +12,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class NotificationUpdateTask extends AsyncTask<Void, Void, Boolean> {
-    private List<Long> ids;
+    private final List<Long> ids;
-    private boolean seen;
+    private final boolean seen;
-    private boolean read;
+    private final boolean read;
-    private boolean updateRead;
+    private final boolean updateRead;
 
     public NotificationUpdateTask(List<Long> ids, boolean seen) {
         this(ids, false, true, false);

app/src/main/java/io/lbry/browser/tasks/lbryinc/TwitterVerifyTask.java

@@ -22,10 +22,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class TwitterVerifyTask extends AsyncTask<Void, Void, RewardVerified> {
-    private Context context;
+    private final Context context;
-    private View progressView;
+    private final View progressView;
-    private TwitterOauth twitterOauth;
+    private final TwitterOauth twitterOauth;
-    private RewardVerifiedHandler handler;
+    private final RewardVerifiedHandler handler;
     private Exception error;
 
     public TwitterVerifyTask(TwitterOauth twitterOauth, View progressView, Context context, RewardVerifiedHandler handler) {

app/src/main/java/io/lbry/browser/tasks/localdata/FetchRecentUrlHistoryTask.java

@@ -11,8 +11,8 @@ import io.lbry.browser.data.DatabaseHelper;
 import io.lbry.browser.model.UrlSuggestion;
 
 public class FetchRecentUrlHistoryTask extends AsyncTask<Void, Void, List<UrlSuggestion>> {
-    private DatabaseHelper dbHelper;
+    private final DatabaseHelper dbHelper;
-    private FetchRecentUrlHistoryHandler handler;
+    private final FetchRecentUrlHistoryHandler handler;
     public FetchRecentUrlHistoryTask(DatabaseHelper dbHelper, FetchRecentUrlHistoryHandler handler) {
         this.dbHelper = dbHelper;
         this.handler = handler;

app/src/main/java/io/lbry/browser/tasks/localdata/FetchViewHistoryTask.java

@@ -15,10 +15,10 @@ import io.lbry.browser.model.ViewHistory;
 import io.lbry.browser.utils.Helper;
 
 public class FetchViewHistoryTask extends AsyncTask<Void, Void, List<ViewHistory>> {
-    private DatabaseHelper dbHelper;
+    private final DatabaseHelper dbHelper;
-    private FetchViewHistoryHandler handler;
+    private final FetchViewHistoryHandler handler;
-    private int pageSize;
+    private final int pageSize;
-    private Date lastDate;
+    private final Date lastDate;
     public FetchViewHistoryTask(Date lastDate, int pageSize, DatabaseHelper dbHelper, FetchViewHistoryHandler handler) {
         this.lastDate = lastDate;
         this.pageSize = pageSize;

app/src/main/java/io/lbry/browser/tasks/localdata/LoadGalleryItemsTask.java

@@ -23,9 +23,9 @@ import io.lbry.browser.utils.Helper;
 
 public class LoadGalleryItemsTask extends AsyncTask<Void, GalleryItem, List<GalleryItem>> {
     private static final String TAG = "LoadGalleryItemsTask";
-    private LoadGalleryHandler handler;
+    private final LoadGalleryHandler handler;
-    private View progressView;
+    private final View progressView;
-    private Context context;
+    private final Context context;
 
     public LoadGalleryItemsTask(View progressView, Context context, LoadGalleryHandler handler) {
         this.progressView = progressView;

app/src/main/java/io/lbry/browser/tasks/localdata/SaveUrlHistoryTask.java

@@ -10,9 +10,9 @@ import io.lbry.browser.model.UrlSuggestion;
 import io.lbry.browser.tasks.GenericTaskHandler;
 
 public class SaveUrlHistoryTask extends AsyncTask<Void, Void, Boolean> {
-    private DatabaseHelper dbHelper;
+    private final DatabaseHelper dbHelper;
-    private UrlSuggestion suggestion;
+    private final UrlSuggestion suggestion;
-    private SaveUrlHistoryHandler handler;
+    private final SaveUrlHistoryHandler handler;
     private Exception error;
 
     public SaveUrlHistoryTask(UrlSuggestion suggestion, DatabaseHelper dbHelper, SaveUrlHistoryHandler handler) {

app/src/main/java/io/lbry/browser/tasks/localdata/SaveViewHistoryTask.java

@@ -7,9 +7,9 @@ import io.lbry.browser.data.DatabaseHelper;
 import io.lbry.browser.model.ViewHistory;
 
 public class SaveViewHistoryTask extends AsyncTask<Void, Void, Boolean> {
-    private DatabaseHelper dbHelper;
+    private final DatabaseHelper dbHelper;
-    private ViewHistory history;
+    private final ViewHistory history;
-    private SaveViewHistoryHandler handler;
+    private final SaveViewHistoryHandler handler;
     private Exception error;
 
     public SaveViewHistoryTask(ViewHistory history, DatabaseHelper dbHelper, SaveViewHistoryHandler handler) {

app/src/main/java/io/lbry/browser/tasks/verification/CheckUserEmailVerifiedTask.java

@@ -8,8 +8,8 @@ import io.lbry.browser.model.lbryinc.User;
 import io.lbry.browser.utils.Lbryio;
 
 public class CheckUserEmailVerifiedTask extends AsyncTask<Void, Void, Boolean> {
-    private Context context;
+    private final Context context;
-    private CheckUserEmailVerifiedHandler handler;
+    private final CheckUserEmailVerifiedHandler handler;
 
     public CheckUserEmailVerifiedTask(Context context, CheckUserEmailVerifiedHandler handler) {
         this.context = context;

app/src/main/java/io/lbry/browser/tasks/verification/EmailNewTask.java

@@ -15,9 +15,9 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class EmailNewTask extends AsyncTask<Void, Void, Boolean> {
-    private String email;
+    private final String email;
-    private View progressView;
+    private final View progressView;
-    private EmailNewHandler handler;
+    private final EmailNewHandler handler;
     private Exception error;
 
     public EmailNewTask(String email, View progressView, EmailNewHandler handler) {

app/src/main/java/io/lbry/browser/tasks/verification/EmailResendTask.java

@@ -13,9 +13,9 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class EmailResendTask extends AsyncTask<Void, Void, Boolean> {
-    private String email;
+    private final String email;
-    private View progressView;
+    private final View progressView;
-    private GenericTaskHandler handler;
+    private final GenericTaskHandler handler;
     private Exception error;
 
     public EmailResendTask(String email, View progressView, GenericTaskHandler handler) {

app/src/main/java/io/lbry/browser/tasks/verification/PhoneNewVerifyTask.java

@@ -13,11 +13,11 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class PhoneNewVerifyTask extends AsyncTask<Void, Void, Boolean> {
-    private String countryCode;
+    private final String countryCode;
-    private String phoneNumber;
+    private final String phoneNumber;
-    private String verificationCode;
+    private final String verificationCode;
-    private View progressView;
+    private final View progressView;
-    private GenericTaskHandler handler;
+    private final GenericTaskHandler handler;
     private Exception error;
 
     public PhoneNewVerifyTask(String countryCode, String phoneNumber, String verificationCode, View progressView, GenericTaskHandler handler) {

app/src/main/java/io/lbry/browser/tasks/verification/TwitterAccessTokenTask.java

@@ -20,8 +20,8 @@ public class TwitterAccessTokenTask extends AsyncTask<Void, Void, String> {
     private static final String ENDPOINT = "https://api.twitter.com/oauth/access_token";
 
     private Exception error;
-    private String oauthParams;
+    private final String oauthParams;
-    private TwitterOauthHandler handler;
+    private final TwitterOauthHandler handler;
 
     public TwitterAccessTokenTask(String oauthParams, TwitterOauthHandler handler) {
         this.oauthParams = oauthParams;

app/src/main/java/io/lbry/browser/tasks/verification/TwitterRequestTokenTask.java

@@ -22,10 +22,10 @@ import okhttp3.Response;
 public class TwitterRequestTokenTask extends AsyncTask<Void, Void, String> {
     private static final String ENDPOINT = "https://api.twitter.com/oauth/request_token";
 
-    private String consumerKey;
+    private final String consumerKey;
-    private String consumerSecret;
+    private final String consumerSecret;
     private Exception error;
-    private TwitterOauthHandler handler;
+    private final TwitterOauthHandler handler;
 
     public TwitterRequestTokenTask(String consumerKey, String consumerSecret, TwitterOauthHandler handler) {
         this.consumerKey = consumerKey;

app/src/main/java/io/lbry/browser/tasks/wallet/LoadSharedUserStateTask.java

@@ -36,8 +36,8 @@ import io.lbry.browser.utils.LbryUri;
 public class LoadSharedUserStateTask extends AsyncTask<Void, Void, Boolean> {
     private static final String KEY = "shared";
 
-    private Context context;
+    private final Context context;
-    private LoadSharedUserStateHandler handler;
+    private final LoadSharedUserStateHandler handler;
     private Exception error;
 
     private List<Subscription> subscriptions;

app/src/main/java/io/lbry/browser/tasks/wallet/SaveSharedUserStateTask.java

@@ -33,7 +33,7 @@ import io.lbry.browser.utils.Lbryio;
 public class SaveSharedUserStateTask extends AsyncTask<Void, Void, Boolean> {
     private static final String KEY = "shared";
     private static final String VERSION = "0.1";
-    private SaveSharedUserStateHandler handler;
+    private final SaveSharedUserStateHandler handler;
     private Exception error;
 
     public SaveSharedUserStateTask(SaveSharedUserStateHandler handler) {

app/src/main/java/io/lbry/browser/tasks/wallet/SupportCreateTask.java

@@ -16,12 +16,12 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class SupportCreateTask extends AsyncTask<Void, Void, Boolean> {
-    private String claimId;
+    private final String claimId;
-    private String channelId;
+    private final String channelId;
-    private BigDecimal amount;
+    private final BigDecimal amount;
-    private boolean tip;
+    private final boolean tip;
-    private View progressView;
+    private final View progressView;
-    private GenericTaskHandler handler;
+    private final GenericTaskHandler handler;
     private Exception error;
 
     public SupportCreateTask(String claimId, String channelId, BigDecimal amount, boolean tip, View progressView, GenericTaskHandler handler) {

app/src/main/java/io/lbry/browser/tasks/wallet/SyncApplyTask.java

@@ -17,10 +17,10 @@ public class SyncApplyTask extends AsyncTask<Void, Void, Boolean> {
     // flag to indicate if this sync_apply is to fetch wallet data or apply data
     private boolean fetch;
     private Exception error;
-    private String password;
+    private final String password;
     private String data;
     private View progressView;
-    private SyncTaskHandler handler;
+    private final SyncTaskHandler handler;
 
     private String syncHash;
     private String syncData;

app/src/main/java/io/lbry/browser/tasks/wallet/SyncGetTask.java

@@ -19,13 +19,13 @@ import io.lbry.browser.utils.Lbryio;
 
 public class SyncGetTask extends AsyncTask<Void, Void, WalletSync> {
 
-    private boolean applySyncChanges;
+    private final boolean applySyncChanges;
     private boolean applySyncSuccessful;
     private Exception error;
     private Exception syncApplyError;
     private String password;
-    private SyncTaskHandler handler;
+    private final SyncTaskHandler handler;
-    private View progressView;
+    private final View progressView;
 
     private String syncHash;
     private String syncData;

app/src/main/java/io/lbry/browser/tasks/wallet/SyncSetTask.java

@@ -14,10 +14,10 @@ import io.lbry.browser.utils.Lbryio;
 
 public class SyncSetTask extends AsyncTask<Void, Void, String> {
     private Exception error;
-    private String oldHash;
+    private final String oldHash;
-    private String newHash;
+    private final String newHash;
-    private String data;
+    private final String data;
-    private SyncTaskHandler handler;
+    private final SyncTaskHandler handler;
 
     public SyncSetTask(String oldHash, String newHash, String data, SyncTaskHandler handler) {
         this.oldHash = oldHash;

app/src/main/java/io/lbry/browser/tasks/wallet/TransactionListTask.java

@@ -11,10 +11,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class TransactionListTask extends AsyncTask<Void, Void, List<Transaction>> {
-    private int page;
+    private final int page;
-    private int pageSize;
+    private final int pageSize;
-    private View progressView;
+    private final View progressView;
-    private TransactionListHandler handler;
+    private final TransactionListHandler handler;
     private Exception error;
 
     public TransactionListTask(int page, int pageSize, View progressView, TransactionListHandler handler) {

app/src/main/java/io/lbry/browser/tasks/wallet/UnlockTipsTask.java

@@ -19,7 +19,7 @@ import io.lbry.browser.utils.Lbry;
 
 public class UnlockTipsTask extends AsyncTask<Void, Void, Boolean> {
 
-    private GenericTaskHandler handler;
+    private final GenericTaskHandler handler;
     private Exception error;
 
     public UnlockTipsTask(GenericTaskHandler handler) {

app/src/main/java/io/lbry/browser/tasks/wallet/WalletAddressUnusedTask.java

@@ -13,7 +13,7 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class WalletAddressUnusedTask extends AsyncTask<Void, Void, String> {
-    private WalletAddressUnusedHandler handler;
+    private final WalletAddressUnusedHandler handler;
     private Exception error;
 
     public WalletAddressUnusedTask(WalletAddressUnusedHandler handler) {

app/src/main/java/io/lbry/browser/tasks/wallet/WalletBalanceTask.java

@@ -12,7 +12,7 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class WalletBalanceTask extends AsyncTask<Void, Void, WalletBalance> {
-    private WalletBalanceHandler handler;
+    private final WalletBalanceHandler handler;
     private Exception error;
 
     public WalletBalanceTask(WalletBalanceHandler handler) {

app/src/main/java/io/lbry/browser/tasks/wallet/WalletSendTask.java

@@ -12,10 +12,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class WalletSendTask extends AsyncTask<Void, Void, Boolean> {
-    private String recipientAddress;
+    private final String recipientAddress;
-    private String amount;
+    private final String amount;
-    private View progressView;
+    private final View progressView;
-    private WalletSendHandler handler;
+    private final WalletSendHandler handler;
     private Exception error;
 
     public WalletSendTask(String recipientAddress, String amount, View progressView, WalletSendHandler handler) {

app/src/main/java/io/lbry/browser/ui/channel/ChannelFragment.java

@@ -585,8 +585,8 @@ public class ChannelFragment extends BaseFragment implements FetchChannelsListen
     }
 
     private static class ChannelPagerAdapter extends FragmentStateAdapter {
-        private Claim channelClaim;
+        private final Claim channelClaim;
-        private String commentHash;
+        private final String commentHash;
         public ChannelPagerAdapter(Claim channelClaim, String commentHash, FragmentActivity activity) {
             super(activity);
             this.channelClaim = channelClaim;

app/src/main/java/io/lbry/browser/ui/channel/ChannelManagerFragment.java

@@ -77,7 +77,7 @@ public class ChannelManagerFragment extends BaseFragment implements ActionMode.C
         return root;
     }
 
-    private View.OnClickListener newChannelClickListener = new View.OnClickListener() {
+    private final View.OnClickListener newChannelClickListener = new View.OnClickListener() {
         @Override
         public void onClick(View view) {
             Context context = getContext();

app/src/main/java/io/lbry/browser/ui/controls/OutlineIconView.java

@@ -8,7 +8,7 @@ import android.view.Gravity;
 import androidx.appcompat.widget.AppCompatTextView;
 
 public class OutlineIconView extends AppCompatTextView {
-    private Context context;
+    private final Context context;
 
     public OutlineIconView(Context context) {
         super(context);

app/src/main/java/io/lbry/browser/ui/controls/SolidIconView.java

@@ -8,7 +8,7 @@ import android.view.Gravity;
 import androidx.appcompat.widget.AppCompatTextView;
 
 public class SolidIconView extends AppCompatTextView {
-    private Context context;
+    private final Context context;
 
     public SolidIconView(Context context) {
         super(context);

app/src/main/java/io/lbry/browser/ui/findcontent/AllContentFragment.java

@@ -289,7 +289,7 @@ public class AllContentFragment extends BaseFragment implements DownloadActionLi
         }
     }
 
-    private FollowUnfollowTagTask.FollowUnfollowTagHandler followUnfollowHandler = new FollowUnfollowTagTask.FollowUnfollowTagHandler() {
+    private final FollowUnfollowTagTask.FollowUnfollowTagHandler followUnfollowHandler = new FollowUnfollowTagTask.FollowUnfollowTagHandler() {
         @Override
         public void onSuccess(Tag tag, boolean unfollowing) {
             if (tags != null) {

app/src/main/java/io/lbry/browser/ui/findcontent/FileViewFragment.java

@@ -788,7 +788,7 @@ public class FileViewFragment extends BaseFragment implements
         }
     }
 
-    private View.OnClickListener bellIconListener = new View.OnClickListener()  {
+    private final View.OnClickListener bellIconListener = new View.OnClickListener()  {
         @Override
         public void onClick(View view) {
             if (claim != null && claim.getSigningChannel() != null) {
@@ -824,7 +824,7 @@ public class FileViewFragment extends BaseFragment implements
         }
     };
 
-    private View.OnClickListener followUnfollowListener = new View.OnClickListener() {
+    private final View.OnClickListener followUnfollowListener = new View.OnClickListener() {
         @Override
         public void onClick(final View view) {
             if (claim != null && claim.getSigningChannel() != null) {
@@ -2635,7 +2635,7 @@ public class FileViewFragment extends BaseFragment implements
         dailyViewTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
 
-    private ClaimRewardTask.ClaimRewardHandler eligibleRewardHandler = new ClaimRewardTask.ClaimRewardHandler() {
+    private final ClaimRewardTask.ClaimRewardHandler eligibleRewardHandler = new ClaimRewardTask.ClaimRewardHandler() {
         @Override
         public void onSuccess(double amountClaimed, String message) {
             if (Helper.isNullOrEmpty(message)) {
@@ -2817,7 +2817,7 @@ public class FileViewFragment extends BaseFragment implements
     }
 
     private static class LbryWebViewClient extends WebViewClient {
-        private Context context;
+        private final Context context;
         public LbryWebViewClient(Context context) {
             this.context = context;
         }