Makes DashboardFragment use its ViewModel

Android/.idea/compiler.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="15" />
+    <bytecodeTargetLevel target="16" />
   </component>
 </project>

Android/.idea/gradle.xml

@@ -7,7 +7,7 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="openjdk-15" />
+        <option name="gradleJvm" value="Android Studio java home" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />

Android/.idea/misc.xml

@@ -1,5 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="DesignSurface">
+    <option name="filePathToZoomLevelMap">
+      <map>
+        <entry key="app/src/main/res/layout/dropdown_list_item.xml" value="0.12777777777777777" />
+        <entry key="app/src/main/res/layout/fragment_dashboard_list_item.xml" value="0.2210144927536232" />
+        <entry key="app/src/main/res/layout/fragment_edit_strings_list.xml" value="0.2210144927536232" />
+        <entry key="app/src/main/res/layout/fragment_edit_strings_list_item.xml" value="0.2210144927536232" />
+        <entry key="app/src/main/res/layout/fragment_edit_traits_list.xml" value="0.2210144927536232" />
+        <entry key="app/src/main/res/layout/fragment_edit_traits_list_item.xml" value="0.2210144927536232" />
+        <entry key="app/src/main/res/layout/fragment_search.xml" value="0.16875" />
+        <entry key="app/src/main/res/layout/simple_list_item.xml" value="0.2210144927536232" />
+      </map>
+    </option>
+  </component>
   <component name="NullableNotNullManager">
     <option name="myDefaultNullable" value="androidx.annotation.Nullable" />
     <option name="myDefaultNotNull" value="androidx.annotation.NonNull" />
@@ -44,7 +58,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_15" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_X" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

Android/app/build.gradle

@@ -1,7 +1,6 @@
 plugins {
     id 'com.android.application'
     id 'androidx.navigation.safeargs'
-    id 'kotlin-android'
 }
 
 Properties properties = new Properties()
@@ -66,8 +65,6 @@ dependencies {
     // Included libs
     implementation fileTree(dir: "libs", include: ["*.jar"])
 
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:1.4.20"
-
     // Google
     implementation 'androidx.appcompat:appcompat:1.3.1'
     implementation 'com.google.android.material:material:1.4.0'

Android/app/src/main/java/com/majinnaibu/monstercards/AppDatabase.java

@@ -1,8 +1,14 @@
 package com.majinnaibu.monstercards;
 
+import android.content.Context;
+
+import androidx.annotation.NonNull;
 import androidx.room.Database;
+import androidx.room.Room;
 import androidx.room.RoomDatabase;
 import androidx.room.TypeConverters;
+import androidx.room.migration.Migration;
+import androidx.sqlite.db.SupportSQLiteDatabase;
 
 import com.majinnaibu.monstercards.data.MonsterDAO;
 import com.majinnaibu.monstercards.data.converters.ArmorTypeConverter;
@@ -26,5 +32,47 @@ import com.majinnaibu.monstercards.models.MonsterFTS;
         UUIDConverter.class,
 })
 public abstract class AppDatabase extends RoomDatabase {
+    private static final Migration MIGRATION_1_2 = new Migration(1, 2) {
+        @Override
+        public void migrate(@NonNull SupportSQLiteDatabase database) {
+            // rename table monster to monsters
+            database.execSQL("ALTER TABLE monster RENAME TO monsters");
+            // create the fts view
+            database.execSQL("CREATE VIRTUAL TABLE IF NOT EXISTS `monsters_fts` USING FTS4(`name` TEXT, `size` TEXT, `type` TEXT, `subtype` TEXT, `alignment` TEXT, content=`monsters`)");
+            // build the initial full text search index
+            database.execSQL("INSERT INTO monsters_fts(monsters_fts) VALUES('rebuild')");
+
+        }
+    };
+    private static final Migration MIGRATION_2_3 = new Migration(2, 3) {
+        @Override
+        public void migrate(@NonNull SupportSQLiteDatabase database) {
+            // Add the senses column
+            database.execSQL("ALTER TABLE monsters ADD COLUMN 'senses' TEXT DEFAULT '[]'");
+            database.execSQL("CREATE TABLE new_monsters (`id` TEXT NOT NULL, `name` TEXT NOT NULL DEFAULT '', `size` TEXT NOT NULL DEFAULT '', `type` TEXT NOT NULL DEFAULT '', `subtype` TEXT NOT NULL DEFAULT '', `alignment` TEXT NOT NULL DEFAULT '', `strength_score` INTEGER NOT NULL DEFAULT 10, `strength_saving_throw_advantage` TEXT DEFAULT 'none', `strength_saving_throw_proficiency` TEXT DEFAULT 'none', `dexterity_score` INTEGER NOT NULL DEFAULT 10, `dexterity_saving_throw_advantage` TEXT DEFAULT 'none', `dexterity_saving_throw_proficiency` TEXT DEFAULT 'none', `constitution_score` INTEGER NOT NULL DEFAULT 10, `constitution_saving_throw_advantage` TEXT DEFAULT 'none', `constitution_saving_throw_proficiency` TEXT DEFAULT 'none', `intelligence_score` INTEGER NOT NULL DEFAULT 10, `intelligence_saving_throw_advantage` TEXT DEFAULT 'none', `intelligence_saving_throw_proficiency` TEXT DEFAULT 'none', `wisdom_score` INTEGER NOT NULL DEFAULT 10, `wisdom_saving_throw_advantage` TEXT DEFAULT 'none', `wisdom_saving_throw_proficiency` TEXT DEFAULT 'none', `charisma_score` INTEGER NOT NULL DEFAULT 10, `charisma_saving_throw_advantage` TEXT DEFAULT 'none', `charisma_saving_throw_proficiency` TEXT DEFAULT 'none', `armor_type` TEXT DEFAULT 'none', `shield_bonus` INTEGER NOT NULL DEFAULT 0, `natural_armor_bonus` INTEGER NOT NULL DEFAULT 0, `other_armor_description` TEXT DEFAULT '', `hit_dice` INTEGER NOT NULL DEFAULT 1, `has_custom_hit_points` INTEGER NOT NULL, `custom_hit_points_description` TEXT DEFAULT '', `walk_speed` INTEGER NOT NULL DEFAULT 0, `burrow_speed` INTEGER NOT NULL DEFAULT 0, `climb_speed` INTEGER NOT NULL DEFAULT 0, `fly_speed` INTEGER NOT NULL DEFAULT 0, `can_hover` INTEGER NOT NULL DEFAULT false, `swim_speed` INTEGER NOT NULL DEFAULT 0, `has_custom_speed` INTEGER NOT NULL DEFAULT false, `custom_speed_description` TEXT, `challenge_rating` TEXT DEFAULT '1', `custom_challenge_rating_description` TEXT DEFAULT '', `custom_proficiency_bonus` INTEGER NOT NULL DEFAULT 0, `telepathy_range` INTEGER NOT NULL DEFAULT 0, `understands_but_description` TEXT DEFAULT '', `senses` TEXT DEFAULT '[]', `skills` TEXT DEFAULT '[]', `damage_immunities` TEXT DEFAULT '[]', `damage_resistances` TEXT DEFAULT '[]', `damage_vulnerabilities` TEXT DEFAULT '[]', `condition_immunities` TEXT DEFAULT '[]', `languages` TEXT DEFAULT '[]', `abilities` TEXT DEFAULT '[]', `actions` TEXT DEFAULT '[]', `reactions` TEXT DEFAULT '[]', `lair_actions` TEXT DEFAULT '[]', `legendary_actions` TEXT DEFAULT '[]', `regional_actions` TEXT DEFAULT '[]', PRIMARY KEY(`id`))");
+            database.execSQL("INSERT INTO new_monsters(id, name, size, type, subtype, alignment, strength_score, strength_saving_throw_advantage, strength_saving_throw_proficiency, dexterity_score, dexterity_saving_throw_advantage, dexterity_saving_throw_proficiency, constitution_score, constitution_saving_throw_advantage, constitution_saving_throw_proficiency, intelligence_score, intelligence_saving_throw_advantage, intelligence_saving_throw_proficiency, wisdom_score, wisdom_saving_throw_advantage, wisdom_saving_throw_proficiency, charisma_score, charisma_saving_throw_advantage, charisma_saving_throw_proficiency, armor_type, shield_bonus, natural_armor_bonus, other_armor_description, hit_dice, has_custom_hit_points, custom_hit_points_description, walk_speed, burrow_speed, climb_speed, fly_speed, can_hover, swim_speed, has_custom_speed, custom_speed_description, challenge_rating, custom_challenge_rating_description, custom_proficiency_bonus, telepathy_range, understands_but_description, senses, skills, damage_immunities, damage_resistances, damage_vulnerabilities, condition_immunities, languages, abilities, actions, reactions, lair_actions, legendary_actions, regional_actions) SELECT id, name, size, type, subtype, alignment, strength_score, strength_saving_throw_advantage, strength_saving_throw_proficiency, dexterity_score, dexterity_saving_throw_advantage, dexterity_saving_throw_proficiency, constitution_score, constitution_saving_throw_advantage, constitution_saving_throw_proficiency, intelligence_score, intelligence_saving_throw_advantage, intelligence_saving_throw_proficiency, wisdom_score, wisdom_saving_throw_advantage, wisdom_saving_throw_proficiency, charisma_score, charisma_saving_throw_advantage, charisma_saving_throw_proficiency, armor_type, shield_bonus, natural_armor_bonus, other_armor_description, hit_dice, has_custom_hit_points, custom_hit_points_description, walk_speed, burrow_speed, climb_speed, fly_speed, can_hover, swim_speed, has_custom_speed, custom_speed_description, challenge_rating, custom_challenge_rating_description, custom_proficiency_bonus, telepathy_range, understands_but_description, senses, skills, damage_immunities, damage_resistances, damage_vulnerabilities, condition_immunities, languages, abilities, actions, reactions, lair_actions, legendary_actions, regional_actions FROM monsters");
+            database.execSQL("DROP TABLE monsters");
+            database.execSQL("ALTER TABLE new_monsters RENAME TO monsters");
+        }
+    };
+    private static AppDatabase mDB = null;
+
+    public static AppDatabase getInstance(Context context) {
+        if (mDB == null) {
+            synchronized (AppDatabase.class) {
+                if (mDB == null) {
+                    //                .fallbackToDestructiveMigration()
+                    mDB = Room.databaseBuilder(context.getApplicationContext(), AppDatabase.class, "monsters")
+                            .addMigrations(MIGRATION_1_2)
+                            .addMigrations(MIGRATION_2_3)
+                            .fallbackToDestructiveMigrationOnDowngrade()
+//                .fallbackToDestructiveMigration()
+                            .build();
+                }
+            }
+        }
+        return mDB;
+    }
+
     public abstract MonsterDAO monsterDAO();
 }

Android/app/src/main/java/com/majinnaibu/monstercards/MonsterCardsApplication.java

@@ -3,39 +3,12 @@ package com.majinnaibu.monstercards;
 import android.app.Application;
 import android.content.res.Configuration;
 
-import androidx.annotation.NonNull;
-import androidx.room.Room;
-import androidx.room.migration.Migration;
-import androidx.sqlite.db.SupportSQLiteDatabase;
-
 import com.majinnaibu.monstercards.data.MonsterRepository;
 import com.majinnaibu.monstercards.init.FlipperInitializer;
 
 public class MonsterCardsApplication extends Application {
 
-    private static final Migration MIGRATION_1_2 = new Migration(1, 2) {
-        @Override
-        public void migrate(@NonNull SupportSQLiteDatabase database) {
-            // rename table monster to monsters
-            database.execSQL("ALTER TABLE monster RENAME TO monsters");
-            // create the fts view
-            database.execSQL("CREATE VIRTUAL TABLE IF NOT EXISTS `monsters_fts` USING FTS4(`name` TEXT, `size` TEXT, `type` TEXT, `subtype` TEXT, `alignment` TEXT, content=`monsters`)");
-            // build the initial full text search index
-            database.execSQL("INSERT INTO monsters_fts(monsters_fts) VALUES('rebuild')");
 
-        }
-    };
-    private static final Migration MIGRATION_2_3 = new Migration(2, 3) {
-        @Override
-        public void migrate(@NonNull SupportSQLiteDatabase database) {
-            // Add the senses column
-            database.execSQL("ALTER TABLE monsters ADD COLUMN 'senses' TEXT DEFAULT '[]'");
-            database.execSQL("CREATE TABLE new_monsters (`id` TEXT NOT NULL, `name` TEXT NOT NULL DEFAULT '', `size` TEXT NOT NULL DEFAULT '', `type` TEXT NOT NULL DEFAULT '', `subtype` TEXT NOT NULL DEFAULT '', `alignment` TEXT NOT NULL DEFAULT '', `strength_score` INTEGER NOT NULL DEFAULT 10, `strength_saving_throw_advantage` TEXT DEFAULT 'none', `strength_saving_throw_proficiency` TEXT DEFAULT 'none', `dexterity_score` INTEGER NOT NULL DEFAULT 10, `dexterity_saving_throw_advantage` TEXT DEFAULT 'none', `dexterity_saving_throw_proficiency` TEXT DEFAULT 'none', `constitution_score` INTEGER NOT NULL DEFAULT 10, `constitution_saving_throw_advantage` TEXT DEFAULT 'none', `constitution_saving_throw_proficiency` TEXT DEFAULT 'none', `intelligence_score` INTEGER NOT NULL DEFAULT 10, `intelligence_saving_throw_advantage` TEXT DEFAULT 'none', `intelligence_saving_throw_proficiency` TEXT DEFAULT 'none', `wisdom_score` INTEGER NOT NULL DEFAULT 10, `wisdom_saving_throw_advantage` TEXT DEFAULT 'none', `wisdom_saving_throw_proficiency` TEXT DEFAULT 'none', `charisma_score` INTEGER NOT NULL DEFAULT 10, `charisma_saving_throw_advantage` TEXT DEFAULT 'none', `charisma_saving_throw_proficiency` TEXT DEFAULT 'none', `armor_type` TEXT DEFAULT 'none', `shield_bonus` INTEGER NOT NULL DEFAULT 0, `natural_armor_bonus` INTEGER NOT NULL DEFAULT 0, `other_armor_description` TEXT DEFAULT '', `hit_dice` INTEGER NOT NULL DEFAULT 1, `has_custom_hit_points` INTEGER NOT NULL, `custom_hit_points_description` TEXT DEFAULT '', `walk_speed` INTEGER NOT NULL DEFAULT 0, `burrow_speed` INTEGER NOT NULL DEFAULT 0, `climb_speed` INTEGER NOT NULL DEFAULT 0, `fly_speed` INTEGER NOT NULL DEFAULT 0, `can_hover` INTEGER NOT NULL DEFAULT false, `swim_speed` INTEGER NOT NULL DEFAULT 0, `has_custom_speed` INTEGER NOT NULL DEFAULT false, `custom_speed_description` TEXT, `challenge_rating` TEXT DEFAULT '1', `custom_challenge_rating_description` TEXT DEFAULT '', `custom_proficiency_bonus` INTEGER NOT NULL DEFAULT 0, `telepathy_range` INTEGER NOT NULL DEFAULT 0, `understands_but_description` TEXT DEFAULT '', `senses` TEXT DEFAULT '[]', `skills` TEXT DEFAULT '[]', `damage_immunities` TEXT DEFAULT '[]', `damage_resistances` TEXT DEFAULT '[]', `damage_vulnerabilities` TEXT DEFAULT '[]', `condition_immunities` TEXT DEFAULT '[]', `languages` TEXT DEFAULT '[]', `abilities` TEXT DEFAULT '[]', `actions` TEXT DEFAULT '[]', `reactions` TEXT DEFAULT '[]', `lair_actions` TEXT DEFAULT '[]', `legendary_actions` TEXT DEFAULT '[]', `regional_actions` TEXT DEFAULT '[]', PRIMARY KEY(`id`))");
-            database.execSQL("INSERT INTO new_monsters(id, name, size, type, subtype, alignment, strength_score, strength_saving_throw_advantage, strength_saving_throw_proficiency, dexterity_score, dexterity_saving_throw_advantage, dexterity_saving_throw_proficiency, constitution_score, constitution_saving_throw_advantage, constitution_saving_throw_proficiency, intelligence_score, intelligence_saving_throw_advantage, intelligence_saving_throw_proficiency, wisdom_score, wisdom_saving_throw_advantage, wisdom_saving_throw_proficiency, charisma_score, charisma_saving_throw_advantage, charisma_saving_throw_proficiency, armor_type, shield_bonus, natural_armor_bonus, other_armor_description, hit_dice, has_custom_hit_points, custom_hit_points_description, walk_speed, burrow_speed, climb_speed, fly_speed, can_hover, swim_speed, has_custom_speed, custom_speed_description, challenge_rating, custom_challenge_rating_description, custom_proficiency_bonus, telepathy_range, understands_but_description, senses, skills, damage_immunities, damage_resistances, damage_vulnerabilities, condition_immunities, languages, abilities, actions, reactions, lair_actions, legendary_actions, regional_actions) SELECT id, name, size, type, subtype, alignment, strength_score, strength_saving_throw_advantage, strength_saving_throw_proficiency, dexterity_score, dexterity_saving_throw_advantage, dexterity_saving_throw_proficiency, constitution_score, constitution_saving_throw_advantage, constitution_saving_throw_proficiency, intelligence_score, intelligence_saving_throw_advantage, intelligence_saving_throw_proficiency, wisdom_score, wisdom_saving_throw_advantage, wisdom_saving_throw_proficiency, charisma_score, charisma_saving_throw_advantage, charisma_saving_throw_proficiency, armor_type, shield_bonus, natural_armor_bonus, other_armor_description, hit_dice, has_custom_hit_points, custom_hit_points_description, walk_speed, burrow_speed, climb_speed, fly_speed, can_hover, swim_speed, has_custom_speed, custom_speed_description, challenge_rating, custom_challenge_rating_description, custom_proficiency_bonus, telepathy_range, understands_but_description, senses, skills, damage_immunities, damage_resistances, damage_vulnerabilities, condition_immunities, languages, abilities, actions, reactions, lair_actions, legendary_actions, regional_actions FROM monsters");
-            database.execSQL("DROP TABLE monsters");
-            database.execSQL("ALTER TABLE new_monsters RENAME TO monsters");
-        }
-    };
     private MonsterRepository m_monsterLibraryRepository;
 
 
@@ -54,15 +27,8 @@ public class MonsterCardsApplication extends Application {
         // Required initialization logic here!
 
         FlipperInitializer.init(this);
-
+        AppDatabase mDB = AppDatabase.getInstance(this);
-        //                .fallbackToDestructiveMigration()
+        m_monsterLibraryRepository = new MonsterRepository(mDB);
-        AppDatabase m_db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "monsters")
-                .addMigrations(MIGRATION_1_2)
-                .addMigrations(MIGRATION_2_3)
-                .fallbackToDestructiveMigrationOnDowngrade()
-//                .fallbackToDestructiveMigration()
-                .build();
-        m_monsterLibraryRepository = new MonsterRepository(m_db);
     }
 
     // Called by the system when the device configuration changes while your component is running.

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ArmorTypeConverter.java

@@ -0,0 +1,19 @@
+package com.majinnaibu.monstercards.data.converters;
+
+import androidx.annotation.NonNull;
+import androidx.room.TypeConverter;
+
+import com.majinnaibu.monstercards.data.enums.ArmorType;
+
+public class ArmorTypeConverter {
+
+    @TypeConverter
+    public static String fromArmorType(@NonNull ArmorType armorType) {
+        return armorType.stringValue;
+    }
+
+    @TypeConverter
+    public static ArmorType armorTypeFromStringValue(String stringValue) {
+        return ArmorType.valueOfString(stringValue);
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ArmorTypeConverter.kt

@@ -1,19 +0,0 @@
-package com.majinnaibu.monstercards.data.converters
-
-import androidx.room.TypeConverter
-import com.majinnaibu.monstercards.data.enums.ArmorType
-import com.majinnaibu.monstercards.data.enums.ArmorType.Companion.valueOfString
-
-object ArmorTypeConverter {
-    @JvmStatic
-    @TypeConverter
-    fun fromArmorType(armorType: ArmorType): String {
-        return armorType.stringValue
-    }
-
-    @JvmStatic
-    @TypeConverter
-    fun armorTypeFromStringValue(stringValue: String?): ArmorType {
-        return valueOfString(stringValue!!)
-    }
-}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ChallengeRatingConverter.java

@@ -0,0 +1,19 @@
+package com.majinnaibu.monstercards.data.converters;
+
+import androidx.annotation.NonNull;
+import androidx.room.TypeConverter;
+
+import com.majinnaibu.monstercards.data.enums.ChallengeRating;
+
+public class ChallengeRatingConverter {
+
+    @TypeConverter
+    public static String fromChallengeRating(@NonNull ChallengeRating challengeRating) {
+        return challengeRating.stringValue;
+    }
+
+    @TypeConverter
+    public static ChallengeRating challengeRatingFromStringValue(String stringValue) {
+        return ChallengeRating.valueOfString(stringValue);
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ChallengeRatingConverter.kt

@@ -1,19 +0,0 @@
-package com.majinnaibu.monstercards.data.converters
-
-import androidx.room.TypeConverter
-import com.majinnaibu.monstercards.data.enums.ChallengeRating
-import com.majinnaibu.monstercards.data.enums.ChallengeRating.Companion.valueOfString
-
-object ChallengeRatingConverter {
-    @JvmStatic
-    @TypeConverter
-    fun fromChallengeRating(challengeRating: ChallengeRating): String {
-        return challengeRating.stringValue
-    }
-
-    @JvmStatic
-    @TypeConverter
-    fun challengeRatingFromStringValue(stringValue: String?): ChallengeRating {
-        return valueOfString(stringValue!!)
-    }
-}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ListOfTraitsConverter.java

@@ -0,0 +1,27 @@
+package com.majinnaibu.monstercards.data.converters;
+
+import androidx.room.TypeConverter;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+import com.majinnaibu.monstercards.models.Trait;
+
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ListOfTraitsConverter {
+    @TypeConverter
+    public static String fromListOfTraits(List<Trait> traits) {
+        Gson gson = new Gson();
+        return gson.toJson(traits);
+    }
+
+    @TypeConverter
+    public static List<Trait> listOfTraitsFromString(String string) {
+        Gson gson = new Gson();
+        Type setType = new TypeToken<ArrayList<Trait>>() {
+        }.getType();
+        return gson.fromJson(string, setType);
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ListOfTraitsConverter.kt

@@ -1,24 +0,0 @@
-package com.majinnaibu.monstercards.data.converters
-
-import androidx.room.TypeConverter
-import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
-import com.majinnaibu.monstercards.models.Trait
-import java.util.*
-
-object ListOfTraitsConverter {
-    @JvmStatic
-    @TypeConverter
-    fun fromListOfTraits(traits: List<Trait?>?): String {
-        val gson = Gson()
-        return gson.toJson(traits)
-    }
-
-    @JvmStatic
-    @TypeConverter
-    fun listOfTraitsFromString(string: String?): List<Trait> {
-        val gson = Gson()
-        val setType = object : TypeToken<ArrayList<Trait?>?>() {}.type
-        return gson.fromJson(string, setType)
-    }
-}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfLanguageConverter.java

@@ -0,0 +1,28 @@
+package com.majinnaibu.monstercards.data.converters;
+
+import androidx.room.TypeConverter;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+import com.majinnaibu.monstercards.models.Language;
+
+import java.lang.reflect.Type;
+import java.util.HashSet;
+import java.util.Set;
+
+public class SetOfLanguageConverter {
+
+    @TypeConverter
+    public static String fromSetOfLanguage(Set<Language> languages) {
+        Gson gson = new Gson();
+        return gson.toJson(languages);
+    }
+
+    @TypeConverter
+    public static Set<Language> setOfLanguageFromString(String string) {
+        Gson gson = new Gson();
+        Type setType = new TypeToken<HashSet<Language>>() {
+        }.getType();
+        return gson.fromJson(string, setType);
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfLanguageConverter.kt

@@ -1,24 +0,0 @@
-package com.majinnaibu.monstercards.data.converters
-
-import androidx.room.TypeConverter
-import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
-import com.majinnaibu.monstercards.models.Language
-import java.util.*
-
-object SetOfLanguageConverter {
-    @JvmStatic
-    @TypeConverter
-    fun fromSetOfLanguage(languages: Set<Language?>?): String {
-        val gson = Gson()
-        return gson.toJson(languages)
-    }
-
-    @JvmStatic
-    @TypeConverter
-    fun setOfLanguageFromString(string: String?): Set<Language> {
-        val gson = Gson()
-        val setType = object : TypeToken<HashSet<Language?>?>() {}.type
-        return gson.fromJson(string, setType)
-    }
-}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfSkillConverter.java

@@ -0,0 +1,28 @@
+package com.majinnaibu.monstercards.data.converters;
+
+import androidx.room.TypeConverter;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+import com.majinnaibu.monstercards.models.Skill;
+
+import java.lang.reflect.Type;
+import java.util.HashSet;
+import java.util.Set;
+
+public class SetOfSkillConverter {
+
+    @TypeConverter
+    public static String fromSetOfSkill(Set<Skill> skills) {
+        Gson gson = new Gson();
+        return gson.toJson(skills);
+    }
+
+    @TypeConverter
+    public static Set<Skill> setOfSkillFromString(String string) {
+        Gson gson = new Gson();
+        Type setType = new TypeToken<HashSet<Skill>>() {
+        }.getType();
+        return gson.fromJson(string, setType);
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfSkillConverter.kt

@@ -1,24 +0,0 @@
-package com.majinnaibu.monstercards.data.converters
-
-import androidx.room.TypeConverter
-import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
-import com.majinnaibu.monstercards.models.Skill
-import java.util.*
-
-object SetOfSkillConverter {
-    @JvmStatic
-    @TypeConverter
-    fun fromSetOfSkill(skills: Set<Skill?>?): String {
-        val gson = Gson()
-        return gson.toJson(skills)
-    }
-
-    @JvmStatic
-    @TypeConverter
-    fun setOfSkillFromString(string: String?): Set<Skill> {
-        val gson = Gson()
-        val setType = object : TypeToken<HashSet<Skill?>?>() {}.type
-        return gson.fromJson(string, setType)
-    }
-}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfStringConverter.java

@@ -0,0 +1,27 @@
+package com.majinnaibu.monstercards.data.converters;
+
+import androidx.room.TypeConverter;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+
+import java.lang.reflect.Type;
+import java.util.HashSet;
+import java.util.Set;
+
+public class SetOfStringConverter {
+
+    @TypeConverter
+    public static String fromSetOfString(Set<String> strings) {
+        Gson gson = new Gson();
+        return gson.toJson(strings);
+    }
+
+    @TypeConverter
+    public static Set<String> setOfStringFromString(String string) {
+        Gson gson = new Gson();
+        Type setType = new TypeToken<HashSet<String>>() {
+        }.getType();
+        return gson.fromJson(string, setType);
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfStringConverter.kt

@@ -1,23 +0,0 @@
-package com.majinnaibu.monstercards.data.converters
-
-import androidx.room.TypeConverter
-import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
-import java.util.*
-
-object SetOfStringConverter {
-    @JvmStatic
-    @TypeConverter
-    fun fromSetOfString(strings: Set<String?>?): String {
-        val gson = Gson()
-        return gson.toJson(strings)
-    }
-
-    @JvmStatic
-    @TypeConverter
-    fun setOfStringFromString(string: String?): Set<String> {
-        val gson = Gson()
-        val setType = object : TypeToken<HashSet<String?>?>() {}.type
-        return gson.fromJson(string, setType)
-    }
-}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/UUIDConverter.java

@@ -0,0 +1,20 @@
+package com.majinnaibu.monstercards.data.converters;
+
+import androidx.annotation.NonNull;
+import androidx.room.TypeConverter;
+
+import java.util.UUID;
+
+public class UUIDConverter {
+
+    @NonNull
+    @TypeConverter
+    public static String fromUUID(@NonNull UUID uuid) {
+        return uuid.toString();
+    }
+
+    @TypeConverter
+    public static UUID uuidFromString(String string) {
+        return UUID.fromString(string);
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/UUIDConverter.kt

@@ -1,18 +0,0 @@
-package com.majinnaibu.monstercards.data.converters
-
-import androidx.room.TypeConverter
-import java.util.*
-
-object UUIDConverter {
-    @JvmStatic
-    @TypeConverter
-    fun fromUUID(uuid: UUID): String {
-        return uuid.toString()
-    }
-
-    @JvmStatic
-    @TypeConverter
-    fun uuidFromString(string: String?): UUID {
-        return UUID.fromString(string)
-    }
-}

Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/AbilityScore.java

@@ -0,0 +1,31 @@
+package com.majinnaibu.monstercards.data.enums;
+
+@SuppressWarnings("unused")
+public enum AbilityScore {
+    STRENGTH("strength", "Strength", "STR"),
+    DEXTERITY("dexterity", "Dexterity", "DEX"),
+    CONSTITUTION("constitution", "Constitution", "CON"),
+    INTELLIGENCE("intelligence", "Intelligence", "INT"),
+    WISDOM("wisdom", "Wisdom", "WIS"),
+    CHARISMA("charisma", "Charisma", "CHA"),
+    ;
+
+    public final String displayName;
+    public final String shortDisplayName;
+    public final String stringValue;
+
+    AbilityScore(String stringValue, String displayName, String shortDisplayName) {
+        this.displayName = displayName;
+        this.stringValue = stringValue;
+        this.shortDisplayName = shortDisplayName;
+    }
+
+    public static AbilityScore valueOfString(String string) {
+        for (AbilityScore abilityScore : values()) {
+            if (abilityScore.stringValue.equals(string)) {
+                return abilityScore;
+            }
+        }
+        return AbilityScore.STRENGTH;
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/AbilityScore.kt

@@ -1,26 +0,0 @@
-package com.majinnaibu.monstercards.data.enums
-
-enum class AbilityScore(
-    @JvmField val stringValue: String,
-    @JvmField val displayName: String,
-    @JvmField val shortDisplayName: String
-) {
-    STRENGTH("strength", "Strength", "STR"),
-    DEXTERITY("dexterity", "Dexterity", "DEX"),
-    CONSTITUTION("constitution", "Constitution", "CON"),
-    INTELLIGENCE("intelligence", "Intelligence", "INT"),
-    WISDOM("wisdom", "Wisdom", "WIS"),
-    CHARISMA("charisma", "Charisma", "CHA");
-
-    companion object {
-        @JvmStatic
-        fun valueOfString(string: String): AbilityScore {
-            for (abilityScore in values()) {
-                if (abilityScore.stringValue == string) {
-                    return abilityScore
-                }
-            }
-            return STRENGTH
-        }
-    }
-}

Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/AdvantageType.java

@@ -0,0 +1,27 @@
+package com.majinnaibu.monstercards.data.enums;
+
+public enum AdvantageType {
+    NONE("none", "None", ""),
+    ADVANTAGE("advantage", "Advantage", "A"),
+    DISADVANTAGE("disadvantage", "Disadvantage", "D"),
+    ;
+
+    public final String displayName;
+    public final String stringValue;
+    public final String label;
+
+    AdvantageType(String stringValue, String displayName, String label) {
+        this.displayName = displayName;
+        this.stringValue = stringValue;
+        this.label = label;
+    }
+
+    public static AdvantageType valueOfString(String string) {
+        for (AdvantageType advantageType : values()) {
+            if (advantageType.stringValue.equals(string)) {
+                return advantageType;
+            }
+        }
+        return AdvantageType.NONE;
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/AdvantageType.kt

@@ -1,23 +0,0 @@
-package com.majinnaibu.monstercards.data.enums
-
-enum class AdvantageType(
-    val stringValue: String,
-    val displayName: String,
-    @JvmField val label: String
-) {
-    NONE("none", "None", ""),
-    ADVANTAGE("advantage", "Advantage", "A"),
-    DISADVANTAGE("disadvantage", "Disadvantage", "D");
-
-    companion object {
-        @JvmStatic
-        fun valueOfString(string: String): AdvantageType {
-            for (advantageType in values()) {
-                if (advantageType.stringValue == string) {
-                    return advantageType
-                }
-            }
-            return NONE
-        }
-    }
-}

Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/ArmorType.java

@@ -1,10 +1,7 @@
-package com.majinnaibu.monstercards.data.enums
+package com.majinnaibu.monstercards.data.enums;
 
-enum class ArmorType(
+@SuppressWarnings("unused")
-    @JvmField val stringValue: String,
+public enum ArmorType {
-    @JvmField val displayName: String,
-    @JvmField val baseArmorClass: Int
-) {
     NONE("none", "None", 10),
     NATURAL_ARMOR("natural armor", "Natural Armor", 10),
     MAGE_ARMOR("mage armor", "Mage Armor", 10),
@@ -20,17 +17,25 @@ enum class ArmorType(
     CHAIN_MAIL("chain mail", "Chain Mail", 16),
     SPLINT_MAIL("splint", "Splint Mail", 17),
     PLATE_MAIL("plate", "Plate Mail", 18),
-    OTHER("other", "Other", 10);
+    OTHER("other", "Other", 10),
+    ;
 
-    companion object {
+    public final String displayName;
-        @JvmStatic
+    public final String stringValue;
-        fun valueOfString(string: String): ArmorType {
+    public final int baseArmorClass;
-            for (armorType in values()) {
+
-                if (armorType.stringValue == string) {
+    ArmorType(String stringValue, String displayName, int baseArmorClass) {
-                    return armorType
+        this.displayName = displayName;
-                }
+        this.stringValue = stringValue;
+        this.baseArmorClass = baseArmorClass;
+    }
+
+    public static ArmorType valueOfString(String string) {
+        for (ArmorType armorType : values()) {
+            if (armorType.stringValue.equals(string)) {
+                return armorType;
             }
-            return NONE
         }
+        return ArmorType.NONE;
     }
 }

Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/ChallengeRating.java

@@ -1,10 +1,7 @@
-package com.majinnaibu.monstercards.data.enums
+package com.majinnaibu.monstercards.data.enums;
 
-enum class ChallengeRating(
+@SuppressWarnings("unused")
-    @JvmField val stringValue: String,
+public enum ChallengeRating {
-    @JvmField val displayName: String,
-    @JvmField val proficiencyBonus: Int
-) {
     CUSTOM("custom", "Custom", 0),
     ZERO("zero", "0 (10 XP)", 2),
     ONE_EIGHTH("1/8", "1/8 (25 XP)", 2),
@@ -39,17 +36,25 @@ enum class ChallengeRating(
     TWENTY_SEVEN("27", "27 (105,000 XP)", 8),
     TWENTY_EIGHT("28", "28 (120,000 XP)", 8),
     TWENTY_NINE("29", "29 (135,000 XP)", 9),
-    THIRTY("30", "30 (155,000 XP)", 9);
+    THIRTY("30", "30 (155,000 XP)", 9),
+    ;
 
-    companion object {
+    public final String displayName;
-        @JvmStatic
+    public final String stringValue;
-        fun valueOfString(string: String): ChallengeRating {
+    public final int proficiencyBonus;
-            for (challengeRating in values()) {
+
-                if (challengeRating.stringValue == string) {
+    ChallengeRating(String stringValue, String displayName, int proficiencyBonus) {
-                    return challengeRating
+        this.displayName = displayName;
-                }
+        this.stringValue = stringValue;
+        this.proficiencyBonus = proficiencyBonus;
+    }
+
+    public static ChallengeRating valueOfString(String string) {
+        for (ChallengeRating challengeRating : values()) {
+            if (challengeRating.stringValue.equals(string)) {
+                return challengeRating;
             }
-            return ONE
         }
+        return ChallengeRating.ONE;
     }
 }

Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/ProficiencyType.java

@@ -0,0 +1,27 @@
+package com.majinnaibu.monstercards.data.enums;
+
+public enum ProficiencyType {
+    NONE("none", "None", ""),
+    PROFICIENT("proficient", "Proficient", "P"),
+    EXPERTISE("expertise", "Expertise", "Ex"),
+    ;
+
+    public final String displayName;
+    public final String stringValue;
+    public final String label;
+
+    ProficiencyType(String stringValue, String displayName, String label) {
+        this.displayName = displayName;
+        this.stringValue = stringValue;
+        this.label = label;
+    }
+
+    public static ProficiencyType valueOfString(String string) {
+        for (ProficiencyType proficiencyType : values()) {
+            if (proficiencyType.stringValue.equals(string)) {
+                return proficiencyType;
+            }
+        }
+        return ProficiencyType.NONE;
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/ProficiencyType.kt

@@ -1,23 +0,0 @@
-package com.majinnaibu.monstercards.data.enums
-
-enum class ProficiencyType(
-    @JvmField val stringValue: String,
-    @JvmField val displayName: String,
-    @JvmField val label: String
-) {
-    NONE("none", "None", ""),
-    PROFICIENT("proficient", "Proficient", "P"),
-    EXPERTISE("expertise", "Expertise", "Ex");
-
-    companion object {
-        @JvmStatic
-        fun valueOfString(string: String): ProficiencyType {
-            for (proficiencyType in values()) {
-                if (proficiencyType.stringValue == string) {
-                    return proficiencyType
-                }
-            }
-            return NONE
-        }
-    }
-}

Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/StringType.java

@@ -1,6 +1,6 @@
-package com.majinnaibu.monstercards.data.enums
+package com.majinnaibu.monstercards.data.enums;
 
-enum class StringType {
+public enum StringType {
     CONDITION_IMMUNITY,
     DAMAGE_IMMUNITY,
     DAMAGE_RESISTANCE,

Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/TraitType.java

@@ -1,6 +1,6 @@
-package com.majinnaibu.monstercards.data.enums
+package com.majinnaibu.monstercards.data.enums;
 
-enum class TraitType {
+public enum TraitType {
     ABILITY,
     ACTION,
     LAIR_ACTION,

Android/app/src/main/java/com/majinnaibu/monstercards/models/Monster.java

@@ -21,6 +21,7 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Objects;
 import java.util.Set;
 import java.util.UUID;
 
@@ -268,6 +269,69 @@ public class Monster {
         regionalActions = new ArrayList<>();
     }
 
+    public static boolean areItemsTheSame(@NonNull Monster oldItem, @NonNull Monster newItem) {
+        return Objects.equals(oldItem.id, newItem.id);
+    }
+
+    public static boolean areContentsTheSame(@NonNull Monster oldItem, @NonNull Monster newItem) {
+        return Objects.equals(oldItem.abilities, newItem.abilities) &&
+                Objects.equals(oldItem.actions, newItem.actions) &&
+                Objects.equals(oldItem.alignment, newItem.alignment) &&
+                Objects.equals(oldItem.armorType, newItem.armorType) &&
+                Objects.equals(oldItem.burrowSpeed, newItem.burrowSpeed) &&
+                Objects.equals(oldItem.canHover, newItem.canHover) &&
+                Objects.equals(oldItem.challengeRating, newItem.challengeRating) &&
+                Objects.equals(oldItem.charismaSavingThrowAdvantage, newItem.charismaSavingThrowAdvantage) &&
+                Objects.equals(oldItem.charismaSavingThrowProficiency, newItem.charismaSavingThrowProficiency) &&
+                Objects.equals(oldItem.charismaScore, newItem.charismaScore) &&
+                Objects.equals(oldItem.climbSpeed, newItem.climbSpeed) &&
+                Objects.equals(oldItem.conditionImmunities, newItem.conditionImmunities) &&
+                Objects.equals(oldItem.constitutionSavingThrowAdvantage, newItem.constitutionSavingThrowAdvantage) &&
+                Objects.equals(oldItem.constitutionSavingThrowProficiency, newItem.constitutionSavingThrowProficiency) &&
+                Objects.equals(oldItem.constitutionScore, newItem.constitutionScore) &&
+                Objects.equals(oldItem.customChallengeRatingDescription, newItem.customChallengeRatingDescription) &&
+                Objects.equals(oldItem.customHPDescription, newItem.customHPDescription) &&
+                Objects.equals(oldItem.customProficiencyBonus, newItem.customProficiencyBonus) &&
+                Objects.equals(oldItem.customSpeedDescription, newItem.customSpeedDescription) &&
+                Objects.equals(oldItem.damageImmunities, newItem.damageImmunities) &&
+                Objects.equals(oldItem.damageResistances, newItem.damageResistances) &&
+                Objects.equals(oldItem.damageVulnerabilities, newItem.damageVulnerabilities) &&
+                Objects.equals(oldItem.dexteritySavingThrowAdvantage, newItem.dexteritySavingThrowAdvantage) &&
+                Objects.equals(oldItem.dexteritySavingThrowProficiency, newItem.dexteritySavingThrowProficiency) &&
+                Objects.equals(oldItem.dexterityScore, newItem.dexterityScore) &&
+                Objects.equals(oldItem.flySpeed, newItem.flySpeed) &&
+                Objects.equals(oldItem.hasCustomHP, newItem.hasCustomHP) &&
+                Objects.equals(oldItem.hasCustomSpeed, newItem.hasCustomSpeed) &&
+                Objects.equals(oldItem.hitDice, newItem.hitDice) &&
+                Objects.equals(oldItem.intelligenceSavingThrowAdvantage, newItem.intelligenceSavingThrowAdvantage) &&
+                Objects.equals(oldItem.intelligenceSavingThrowProficiency, newItem.intelligenceSavingThrowProficiency) &&
+                Objects.equals(oldItem.intelligenceScore, newItem.intelligenceScore) &&
+                Objects.equals(oldItem.lairActions, newItem.lairActions) &&
+                Objects.equals(oldItem.languages, newItem.languages) &&
+                Objects.equals(oldItem.legendaryActions, newItem.legendaryActions) &&
+                Objects.equals(oldItem.name, newItem.name) &&
+                Objects.equals(oldItem.naturalArmorBonus, newItem.naturalArmorBonus) &&
+                Objects.equals(oldItem.otherArmorDescription, newItem.otherArmorDescription) &&
+                Objects.equals(oldItem.reactions, newItem.reactions) &&
+                Objects.equals(oldItem.regionalActions, newItem.regionalActions) &&
+                Objects.equals(oldItem.senses, newItem.senses) &&
+                Objects.equals(oldItem.shieldBonus, newItem.shieldBonus) &&
+                Objects.equals(oldItem.size, newItem.size) &&
+                Objects.equals(oldItem.skills, newItem.skills) &&
+                Objects.equals(oldItem.strengthSavingThrowAdvantage, newItem.strengthSavingThrowAdvantage) &&
+                Objects.equals(oldItem.strengthSavingThrowProficiency, newItem.strengthSavingThrowProficiency) &&
+                Objects.equals(oldItem.strengthScore, newItem.strengthScore) &&
+                Objects.equals(oldItem.subtype, newItem.subtype) &&
+                Objects.equals(oldItem.swimSpeed, newItem.swimSpeed) &&
+                Objects.equals(oldItem.telepathyRange, newItem.telepathyRange) &&
+                Objects.equals(oldItem.type, newItem.type) &&
+                Objects.equals(oldItem.understandsButDescription, newItem.understandsButDescription) &&
+                Objects.equals(oldItem.wisdomSavingThrowAdvantage, newItem.wisdomSavingThrowAdvantage) &&
+                Objects.equals(oldItem.wisdomSavingThrowProficiency, newItem.wisdomSavingThrowProficiency) &&
+                Objects.equals(oldItem.wisdomScore, newItem.wisdomScore) &&
+                Objects.equals(oldItem.walkSpeed, newItem.walkSpeed);
+    }
+
     public String getMeta() {
         StringBuilder sb = new StringBuilder();
         boolean isFirstOutput = true;

Android/app/src/main/java/com/majinnaibu/monstercards/ui/dashboard/DashboardFragment.java

@@ -21,14 +21,12 @@ import com.majinnaibu.monstercards.utils.Logger;
 
 import java.util.List;
 
-import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
-import io.reactivex.rxjava3.schedulers.Schedulers;
-
 public class DashboardFragment extends MCFragment {
     private DashboardViewModel mViewModel;
     private ViewHolder mHolder;
     private DashboardRecyclerViewAdapter mAdapter;
 
+    @Override
     public View onCreateView(@NonNull LayoutInflater inflater,
                              ViewGroup container, Bundle savedInstanceState) {
         mViewModel = new ViewModelProvider(this).get(DashboardViewModel.class);
@@ -37,13 +35,6 @@ public class DashboardFragment extends MCFragment {
 
         setupRecyclerView(mHolder.list);
 
-        // TODO: subscribe better
-        getMonsterRepository()
-                .getMonsters()
-                .subscribeOn(Schedulers.io())
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(monsters -> mViewModel.setMonsters(monsters));
-
         return root;
     }
 

Android/app/src/main/java/com/majinnaibu/monstercards/ui/dashboard/DashboardRecyclerViewAdapter.java

@@ -20,6 +20,7 @@ import com.majinnaibu.monstercards.databinding.CardMonsterBinding;
 import com.majinnaibu.monstercards.helpers.CommonMarkHelper;
 import com.majinnaibu.monstercards.models.Monster;
 import com.majinnaibu.monstercards.models.Trait;
+import com.majinnaibu.monstercards.utils.ItemCallback;
 import com.majinnaibu.monstercards.utils.Logger;
 
 import java.util.Locale;
@@ -28,17 +29,17 @@ public class DashboardRecyclerViewAdapter extends ListAdapter<Monster, Dashboard
     private static final DiffUtil.ItemCallback<Monster> DIFF_CALLBACK = new DiffUtil.ItemCallback<Monster>() {
         @Override
         public boolean areItemsTheSame(@NonNull Monster oldItem, @NonNull Monster newItem) {
-            return oldItem.id.equals(newItem.id);
+            return Monster.areItemsTheSame(oldItem, newItem);
         }
 
         @Override
         public boolean areContentsTheSame(@NonNull Monster oldItem, @NonNull Monster newItem) {
-            return oldItem.equals(newItem);
+            return Monster.areContentsTheSame(oldItem, newItem);
         }
     };
-    private final ItemCallback mOnClick;
+    private final ItemCallback<Monster> mOnClick;
 
-    protected DashboardRecyclerViewAdapter(ItemCallback onClick) {
+    protected DashboardRecyclerViewAdapter(ItemCallback<Monster> onClick) {
         super(DIFF_CALLBACK);
         mOnClick = onClick;
     }
@@ -51,7 +52,6 @@ public class DashboardRecyclerViewAdapter extends ListAdapter<Monster, Dashboard
 
     @Override
     public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
-        Logger.logUnimplementedMethod();
         Monster monster = getItem(position);
         holder.monster = monster;
         holder.name.setText(monster.name);
@@ -120,15 +120,11 @@ public class DashboardRecyclerViewAdapter extends ListAdapter<Monster, Dashboard
 
         holder.itemView.setOnClickListener(v -> {
             if (mOnClick != null) {
-                mOnClick.onItemCallback(holder.monster);
+                mOnClick.onItem(holder.monster);
             }
         });
     }
 
-    public interface ItemCallback {
-        void onItemCallback(Monster monster);
-    }
-
     public static class ViewHolder extends RecyclerView.ViewHolder {
         public final TextView name;
         public final TextView meta;
@@ -242,7 +238,6 @@ public class DashboardRecyclerViewAdapter extends ListAdapter<Monster, Dashboard
 
         @NonNull
         public static String getChallengeRatingAbbreviation(@NonNull ChallengeRating challengeRating) {
-            Logger.logUnimplementedMethod();
             switch (challengeRating) {
                 case CUSTOM:
                     return "*";

Android/app/src/main/java/com/majinnaibu/monstercards/ui/dashboard/DashboardViewModel.java

@@ -1,26 +1,50 @@
 package com.majinnaibu.monstercards.ui.dashboard;
 
+import android.app.Application;
+
+import androidx.lifecycle.AndroidViewModel;
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
-import androidx.lifecycle.ViewModel;
 
+import com.majinnaibu.monstercards.AppDatabase;
 import com.majinnaibu.monstercards.models.Monster;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class DashboardViewModel extends ViewModel {
+import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
+import io.reactivex.rxjava3.schedulers.Schedulers;
+import io.reactivex.rxjava3.subscribers.DisposableSubscriber;
+
+public class DashboardViewModel extends AndroidViewModel {
+    private final AppDatabase mDB;
     private final MutableLiveData<List<Monster>> mMonsters;
 
-    public DashboardViewModel() {
+    public DashboardViewModel(Application application) {
+        super(application);
+        mDB = AppDatabase.getInstance(application);
         mMonsters = new MutableLiveData<>(new ArrayList<>());
+        mDB.monsterDAO()
+                .getAll()
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(new DisposableSubscriber<List<Monster>>() {
+                    @Override
+                    public void onNext(List<Monster> monsters) {
+                        mMonsters.setValue(monsters);
+                    }
+
+                    @Override
+                    public void onError(Throwable t) {
+                    }
+
+                    @Override
+                    public void onComplete() {
+                    }
+                });
     }
 
     public LiveData<List<Monster>> getMonsters() {
         return mMonsters;
     }
-
-    public void setMonsters(List<Monster> monsters) {
-        mMonsters.setValue(monsters);
-    }
 }

Android/app/src/main/java/com/majinnaibu/monstercards/ui/editmonster/EditLanguagesRecyclerViewAdapter.java

@@ -10,16 +10,16 @@ import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.majinnaibu.monstercards.databinding.FragmentEditLanguagesListHeaderBinding;
-import com.majinnaibu.monstercards.databinding.FragmentEditLanguagesListItemBinding;
 import com.majinnaibu.monstercards.models.Language;
 import com.majinnaibu.monstercards.ui.components.Stepper;
+import com.majinnaibu.monstercards.utils.ItemCallback;
 
 import java.util.List;
 import java.util.Locale;
 
 public class EditLanguagesRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
     private final List<Language> mValues;
-    private final ItemCallback mOnClick;
+    private final ItemCallback<Language> mOnClick;
     private final int mTelepathyRange;
     private final String mUnderstandsBut;
     private final Stepper.OnValueChangeListener mOnTelepathyRangeChanged;
@@ -29,7 +29,7 @@ public class EditLanguagesRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
     private final int ITEM_VIEW_TYPE = 2;
     private final String DISTANCE_IN_FEET_FORMAT = "%d ft.";
 
-    public EditLanguagesRecyclerViewAdapter(List<Language> items, ItemCallback onClick, int telepathyRange, Stepper.OnValueChangeListener telepathyRangeChangedListener, String understandsBut, TextWatcher understandsButChangedListener) {
+    public EditLanguagesRecyclerViewAdapter(List<Language> items, ItemCallback<Language> onClick, int telepathyRange, Stepper.OnValueChangeListener telepathyRangeChangedListener, String understandsBut, TextWatcher understandsButChangedListener) {
         mValues = items;
         mOnClick = onClick;
         mTelepathyRange = telepathyRange;
@@ -44,7 +44,7 @@ public class EditLanguagesRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
         if (viewType == HEADER_VIEW_TYPE) {
             return new HeaderViewHolder(FragmentEditLanguagesListHeaderBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
         }
-        return new ItemViewHolder(FragmentEditLanguagesListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
+        return new ItemViewHolder(com.majinnaibu.monstercards.databinding.SimpleListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
     }
 
     @Override
@@ -62,7 +62,7 @@ public class EditLanguagesRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
             itemViewHolder.mContentView.setText(itemViewHolder.mItem.getName());
             itemViewHolder.itemView.setOnClickListener(view -> {
                 if (mOnClick != null) {
-                    mOnClick.onItemCallback(itemViewHolder.mItem);
+                    mOnClick.onItem(itemViewHolder.mItem);
                 }
             });
         }
@@ -81,10 +81,6 @@ public class EditLanguagesRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
         return ITEM_VIEW_TYPE;
     }
 
-    public interface ItemCallback {
-        void onItemCallback(Language language);
-    }
-
     public static class HeaderViewHolder extends RecyclerView.ViewHolder {
         public final Stepper telepathy;
         public final EditText understandsBut;
@@ -100,7 +96,7 @@ public class EditLanguagesRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
         public final TextView mContentView;
         public Language mItem;
 
-        public ItemViewHolder(@NonNull FragmentEditLanguagesListItemBinding binding) {
+        public ItemViewHolder(@NonNull com.majinnaibu.monstercards.databinding.SimpleListItemBinding binding) {
             super(binding.getRoot());
             mContentView = binding.content;
         }

Android/app/src/main/java/com/majinnaibu/monstercards/ui/editmonster/EditSkillsRecyclerViewAdapter.java

@@ -7,8 +7,8 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.majinnaibu.monstercards.databinding.FragmentEditSkillsListItemBinding;
 import com.majinnaibu.monstercards.models.Skill;
+import com.majinnaibu.monstercards.utils.ItemCallback;
 
 import java.util.List;
 
@@ -17,9 +17,9 @@ import java.util.List;
  */
 public class EditSkillsRecyclerViewAdapter extends RecyclerView.Adapter<EditSkillsRecyclerViewAdapter.ViewHolder> {
     private final List<Skill> mValues;
-    private final ItemCallback mOnClick;
+    private final ItemCallback<Skill> mOnClick;
 
-    public EditSkillsRecyclerViewAdapter(List<Skill> items, ItemCallback onClick) {
+    public EditSkillsRecyclerViewAdapter(List<Skill> items, ItemCallback<Skill> onClick) {
         mValues = items;
         mOnClick = onClick;
     }
@@ -27,7 +27,7 @@ public class EditSkillsRecyclerViewAdapter extends RecyclerView.Adapter<EditSkil
     @NonNull
     @Override
     public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        return new ViewHolder(FragmentEditSkillsListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
+        return new ViewHolder(com.majinnaibu.monstercards.databinding.SimpleListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
     }
 
     @Override
@@ -36,7 +36,7 @@ public class EditSkillsRecyclerViewAdapter extends RecyclerView.Adapter<EditSkil
         holder.mContentView.setText(mValues.get(position).name);
         holder.itemView.setOnClickListener(v -> {
             if (mOnClick != null) {
-                mOnClick.onItemCallback(holder.mItem);
+                mOnClick.onItem(holder.mItem);
             }
         });
     }
@@ -46,15 +46,11 @@ public class EditSkillsRecyclerViewAdapter extends RecyclerView.Adapter<EditSkil
         return mValues.size();
     }
 
-    public interface ItemCallback {
-        void onItemCallback(Skill skill);
-    }
-
     public static class ViewHolder extends RecyclerView.ViewHolder {
         public final TextView mContentView;
         public Skill mItem;
 
-        public ViewHolder(@NonNull FragmentEditSkillsListItemBinding binding) {
+        public ViewHolder(@NonNull com.majinnaibu.monstercards.databinding.SimpleListItemBinding binding) {
             super(binding.getRoot());
             mContentView = binding.content;
         }

Android/app/src/main/java/com/majinnaibu/monstercards/ui/editmonster/EditStringsRecyclerViewAdapter.java

@@ -7,15 +7,16 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.majinnaibu.monstercards.databinding.FragmentEditStringsListItemBinding;
+import com.majinnaibu.monstercards.databinding.SimpleListItemBinding;
+import com.majinnaibu.monstercards.utils.ItemCallback;
 
 import java.util.List;
 
 public class EditStringsRecyclerViewAdapter extends RecyclerView.Adapter<EditStringsRecyclerViewAdapter.ViewHolder> {
     private final List<String> mValues;
-    private final ItemCallback mOnClick;
+    private final ItemCallback<String> mOnClick;
 
-    public EditStringsRecyclerViewAdapter(List<String> items, ItemCallback onClick) {
+    public EditStringsRecyclerViewAdapter(List<String> items, ItemCallback<String> onClick) {
         mValues = items;
         mOnClick = onClick;
     }
@@ -23,7 +24,7 @@ public class EditStringsRecyclerViewAdapter extends RecyclerView.Adapter<EditStr
     @NonNull
     @Override
     public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        return new ViewHolder(FragmentEditStringsListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
+        return new ViewHolder(SimpleListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
     }
 
     @Override
@@ -32,7 +33,7 @@ public class EditStringsRecyclerViewAdapter extends RecyclerView.Adapter<EditStr
         holder.mContentView.setText(mValues.get(position));
         holder.itemView.setOnClickListener(v -> {
             if (mOnClick != null) {
-                mOnClick.onItemCallback(holder.mItem);
+                mOnClick.onItem(holder.mItem);
             }
         });
     }
@@ -42,15 +43,11 @@ public class EditStringsRecyclerViewAdapter extends RecyclerView.Adapter<EditStr
         return mValues.size();
     }
 
-    public interface ItemCallback {
-        void onItemCallback(String value);
-    }
-
     public static class ViewHolder extends RecyclerView.ViewHolder {
         public final TextView mContentView;
         public String mItem;
 
-        public ViewHolder(@NonNull FragmentEditStringsListItemBinding binding) {
+        public ViewHolder(@NonNull SimpleListItemBinding binding) {
             super(binding.getRoot());
             mContentView = binding.content;
         }

Android/app/src/main/java/com/majinnaibu/monstercards/ui/editmonster/EditTraitsFragment.java

@@ -35,7 +35,6 @@ public class EditTraitsFragment extends MCFragment {
     private TraitType mTraitType;
     private EditTraitsRecyclerViewAdapter mAdapter;
 
-
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         if (getArguments() != null) {
@@ -47,9 +46,8 @@ public class EditTraitsFragment extends MCFragment {
         super.onCreate(savedInstanceState);
     }
 
-    @Nullable
     @Override
-    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         NavController navController = Navigation.findNavController(requireActivity(), R.id.nav_host_fragment);
         NavBackStackEntry backStackEntry = navController.getBackStackEntry(R.id.edit_monster_navigation);
         mViewModel = new ViewModelProvider(backStackEntry).get(EditMonsterViewModel.class);

Android/app/src/main/java/com/majinnaibu/monstercards/ui/editmonster/EditTraitsRecyclerViewAdapter.java

@@ -9,8 +9,9 @@ import androidx.recyclerview.widget.DiffUtil;
 import androidx.recyclerview.widget.ListAdapter;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.majinnaibu.monstercards.databinding.FragmentEditTraitsListItemBinding;
+import com.majinnaibu.monstercards.databinding.SimpleListItemBinding;
 import com.majinnaibu.monstercards.models.Trait;
+import com.majinnaibu.monstercards.utils.ItemCallback;
 
 public class EditTraitsRecyclerViewAdapter extends ListAdapter<Trait, EditTraitsRecyclerViewAdapter.ViewHolder> {
     private static final DiffUtil.ItemCallback<Trait> DIFF_CALLBACK = new DiffUtil.ItemCallback<Trait>() {
@@ -25,9 +26,9 @@ public class EditTraitsRecyclerViewAdapter extends ListAdapter<Trait, EditTraits
             return oldItem.equals(newItem);
         }
     };
-    private final ItemCallback mOnClick;
+    private final ItemCallback<Trait> mOnClick;
 
-    protected EditTraitsRecyclerViewAdapter(ItemCallback onClick) {
+    protected EditTraitsRecyclerViewAdapter(ItemCallback<Trait> onClick) {
         super(DIFF_CALLBACK);
         mOnClick = onClick;
     }
@@ -35,7 +36,7 @@ public class EditTraitsRecyclerViewAdapter extends ListAdapter<Trait, EditTraits
     @NonNull
     @Override
     public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        return new ViewHolder(FragmentEditTraitsListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
+        return new ViewHolder(SimpleListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
     }
 
     @Override
@@ -44,20 +45,16 @@ public class EditTraitsRecyclerViewAdapter extends ListAdapter<Trait, EditTraits
         holder.mContentView.setText(holder.mItem.name);
         holder.itemView.setOnClickListener(v -> {
             if (mOnClick != null) {
-                mOnClick.onItemCallback(holder.mItem);
+                mOnClick.onItem(holder.mItem);
             }
         });
     }
 
-    public interface ItemCallback {
-        void onItemCallback(Trait trait);
-    }
-
     public static class ViewHolder extends RecyclerView.ViewHolder {
         public final TextView mContentView;
         public Trait mItem;
 
-        public ViewHolder(@NonNull FragmentEditTraitsListItemBinding binding) {
+        public ViewHolder(@NonNull SimpleListItemBinding binding) {
             super(binding.getRoot());
             mContentView = binding.content;
         }

Android/app/src/main/java/com/majinnaibu/monstercards/ui/library/LibraryFragment.java

@@ -7,6 +7,8 @@ import android.view.View;
 import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.ViewModelProvider;
 import androidx.navigation.NavDirections;
 import androidx.navigation.Navigation;
 import androidx.recyclerview.widget.DividerItemDecoration;
@@ -18,65 +20,52 @@ import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.snackbar.Snackbar;
 import com.majinnaibu.monstercards.R;
 import com.majinnaibu.monstercards.data.MonsterRepository;
+import com.majinnaibu.monstercards.databinding.FragmentLibraryBinding;
 import com.majinnaibu.monstercards.models.Monster;
 import com.majinnaibu.monstercards.ui.shared.MCFragment;
 import com.majinnaibu.monstercards.ui.shared.SwipeToDeleteCallback;
 import com.majinnaibu.monstercards.utils.Logger;
 
-import java.util.UUID;
+import java.util.List;
 
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
 import io.reactivex.rxjava3.observers.DisposableCompletableObserver;
 import io.reactivex.rxjava3.schedulers.Schedulers;
 
 public class LibraryFragment extends MCFragment {
+    private LibraryViewModel mViewModel;
+    private ViewHolder mHolder;
+    private LibraryRecyclerViewAdapter mAdapter;
 
-    public View onCreateView(@NonNull LayoutInflater inflater,
+    @Override
-                             ViewGroup container, Bundle savedInstanceState) {
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View root = inflater.inflate(R.layout.fragment_library, container, false);
+        mViewModel = new ViewModelProvider(this).get(LibraryViewModel.class);
-
+        FragmentLibraryBinding binding = FragmentLibraryBinding.inflate(inflater, container, false);
-        FloatingActionButton fab = root.findViewById(R.id.fab);
+        mHolder = new ViewHolder(binding);
-        assert fab != null;
+        // TODO: set the title with setTitle(...)
-        setupAddMonsterButton(fab);
+        setupAddMonsterButton(mHolder.addButton);
-
+        setupMonsterList(mHolder.list);
-        final RecyclerView recyclerView = root.findViewById(R.id.monster_list);
+        return binding.getRoot();
-        assert recyclerView != null;
-        setupRecyclerView(recyclerView);
-
-        return root;
     }
 
-    private void setupRecyclerView(@NonNull RecyclerView recyclerView) {
+    private void setupMonsterList(@NonNull RecyclerView recyclerView) {
         Context context = requireContext();
-        MonsterRepository repository = this.getMonsterRepository();
-
-        LibraryRecyclerViewAdapter adapter = new LibraryRecyclerViewAdapter(
-                context,
-                repository.getMonsters(),
-                (monster) -> navigateToMonsterDetail(monster.id),
-                (monster) -> repository
-                        .deleteMonster(monster)
-                        .subscribeOn(Schedulers.io())
-                        .observeOn(AndroidSchedulers.mainThread())
-                        .subscribe(new DisposableCompletableObserver() {
-                            @Override
-                            public void onComplete() {
-                            }
-
-                            @Override
-                            public void onError(@io.reactivex.rxjava3.annotations.NonNull Throwable e) {
-                                Logger.logError(e);
-                            }
-                        }));
-        recyclerView.setAdapter(adapter);
-
         LinearLayoutManager layoutManager = new LinearLayoutManager(context);
         recyclerView.setLayoutManager(layoutManager);
 
+        LiveData<List<Monster>> monsterData = mViewModel.getMonsters();
+        mAdapter = new LibraryRecyclerViewAdapter(this::navigateToMonsterDetail);
+        if (monsterData != null) {
+            monsterData.observe(getViewLifecycleOwner(), monsters -> mAdapter.submitList(monsters));
+        }
+        recyclerView.setAdapter(mAdapter);
         DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(context, layoutManager.getOrientation());
         recyclerView.addItemDecoration(dividerItemDecoration);
 
-        ItemTouchHelper itemTouchHelper = new ItemTouchHelper(new SwipeToDeleteCallback(requireContext(), (position, direction) -> adapter.deleteItem(position), null));
+        ItemTouchHelper itemTouchHelper = new ItemTouchHelper(new SwipeToDeleteCallback(
+                requireContext(),
+                (position, direction) -> mViewModel.removeMonster(position),
+                null));
         itemTouchHelper.attachToRecyclerView(recyclerView);
     }
 
@@ -98,7 +87,7 @@ public class LibraryFragment extends MCFragment {
                                             view,
                                             getString(R.string.snackbar_monster_created, monster.name),
                                             Snackbar.LENGTH_LONG)
-                                            .setAction("Action", (_view) -> navigateToMonsterDetail(monster.id))
+                                            .setAction("Action", (_view) -> navigateToMonsterDetail(monster))
                                             .show();
                                 }
 
@@ -114,8 +103,22 @@ public class LibraryFragment extends MCFragment {
         });
     }
 
-    protected void navigateToMonsterDetail(@NonNull UUID monsterId) {
+    protected void navigateToMonsterDetail(Monster monster) {
-        NavDirections action = LibraryFragmentDirections.actionNavigationLibraryToNavigationMonster(monsterId.toString());
+        if (monster != null) {
-        Navigation.findNavController(requireView()).navigate(action);
+            NavDirections action = LibraryFragmentDirections.actionNavigationLibraryToNavigationMonster(monster.id.toString());
+            Navigation.findNavController(requireView()).navigate(action);
+        } else {
+            Logger.logError("Can't navigate to MonsterDetail without a monster.");
+        }
+    }
+
+    private static class ViewHolder {
+        final FloatingActionButton addButton;
+        final RecyclerView list;
+
+        public ViewHolder(FragmentLibraryBinding binding) {
+            addButton = binding.fab;
+            list = binding.monsterList;
+        }
     }
 }

Android/app/src/main/java/com/majinnaibu/monstercards/ui/library/LibraryRecyclerViewAdapter.java

@@ -1,115 +1,53 @@
 package com.majinnaibu.monstercards.ui.library;
 
-import android.content.Context;
 import android.view.LayoutInflater;
-import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 
 import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.DiffUtil;
+import androidx.recyclerview.widget.ListAdapter;
 
-import com.majinnaibu.monstercards.R;
+import com.majinnaibu.monstercards.databinding.SimpleListItemBinding;
 import com.majinnaibu.monstercards.models.Monster;
+import com.majinnaibu.monstercards.ui.shared.SimpleListItemViewHolder;
+import com.majinnaibu.monstercards.utils.ItemCallback;
 
-import java.util.ArrayList;
+public class LibraryRecyclerViewAdapter extends ListAdapter<Monster, SimpleListItemViewHolder<Monster>> {
-import java.util.List;
+    private static final DiffUtil.ItemCallback<Monster> DIFF_CALLBACK = new DiffUtil.ItemCallback<Monster>() {
-
-import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
-import io.reactivex.rxjava3.core.Flowable;
-import io.reactivex.rxjava3.disposables.Disposable;
-import io.reactivex.rxjava3.schedulers.Schedulers;
-
-public class LibraryRecyclerViewAdapter extends RecyclerView.Adapter<LibraryRecyclerViewAdapter.ViewHolder> {
-    private final Context mContext;
-    private final ItemCallback mOnDelete;
-    private final ItemCallback mOnClick;
-    private final Flowable<List<Monster>> mItemsObservable;
-    private final View.OnClickListener mOnClickListener = new View.OnClickListener() {
         @Override
-        public void onClick(@NonNull View view) {
+        public boolean areItemsTheSame(@NonNull Monster oldItem, @NonNull Monster newItem) {
-            Monster monster = (Monster) view.getTag();
+            return Monster.areItemsTheSame(oldItem, newItem);
-            if (mOnClick != null) {
+        }
-                mOnClick.onItemCallback(monster);
+
-            }
+        @Override
+        public boolean areContentsTheSame(@NonNull Monster oldItem, @NonNull Monster newItem) {
+            return Monster.areContentsTheSame(oldItem, newItem);
         }
     };
-    private List<Monster> mValues;
+    private final ItemCallback<Monster> mOnClick;
-    private Disposable mDisposable;
 
-    public LibraryRecyclerViewAdapter(Context context,
+    public LibraryRecyclerViewAdapter(ItemCallback<Monster> onClick) {
-                                      Flowable<List<Monster>> itemsObservable,
+        super(DIFF_CALLBACK);
-                                      ItemCallback onClick,
-                                      ItemCallback onDelete) {
-        mItemsObservable = itemsObservable;
-        mValues = new ArrayList<>();
-        mContext = context;
-        mOnDelete = onDelete;
         mOnClick = onClick;
-        mDisposable = null;
     }
 
     @Override
     @NonNull
-    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+    public SimpleListItemViewHolder<Monster> onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext())
+        SimpleListItemBinding binding = SimpleListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-                .inflate(R.layout.monster_list_content, parent, false);
+        return new SimpleListItemViewHolder<>(binding);
-        return new ViewHolder(view);
     }
 
     @Override
-    public void onBindViewHolder(final @NonNull ViewHolder holder, int position) {
+    public void onBindViewHolder(final @NonNull SimpleListItemViewHolder<Monster> holder, int position) {
-        Monster monster = mValues.get(position);
+        Monster monster = getItem(position);
-        holder.mContentView.setText(monster.name);
+        holder.item = monster;
+        holder.contentView.setText(monster.name);
         holder.itemView.setTag(monster);
-        holder.itemView.setOnClickListener(mOnClickListener);
+        holder.itemView.setOnClickListener(v -> {
-    }
+            if (mOnClick != null) {
-
+                mOnClick.onItem(holder.item);
-    @Override
+            }
-    public int getItemCount() {
+        });
-        return mValues.size();
-    }
-
-    public Context getContext() {
-        return mContext;
-    }
-
-    @Override
-    public void onAttachedToRecyclerView(@NonNull RecyclerView recyclerView) {
-        super.onAttachedToRecyclerView(recyclerView);
-        // TODO: consider moving this subscription out of the adapter and make the subscriber call setItems on the adapter
-        mDisposable = mItemsObservable
-                .subscribeOn(Schedulers.io())
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(monsters -> {
-                    mValues = monsters;
-                    notifyDataSetChanged();
-                });
-    }
-
-    @Override
-    public void onDetachedFromRecyclerView(@NonNull RecyclerView recyclerView) {
-        super.onDetachedFromRecyclerView(recyclerView);
-        mDisposable.dispose();
-    }
-
-    public void deleteItem(int position) {
-        if (mOnDelete != null) {
-            Monster monster = mValues.get(position);
-            mOnDelete.onItemCallback(monster);
-        }
-    }
-
-    public interface ItemCallback {
-        void onItemCallback(Monster monster);
-    }
-
-    static class ViewHolder extends RecyclerView.ViewHolder {
-        final TextView mContentView;
-
-        ViewHolder(View view) {
-            super(view);
-            mContentView = view.findViewById(R.id.content);
-        }
     }
 }

Android/app/src/main/java/com/majinnaibu/monstercards/ui/library/LibraryViewModel.java

@@ -0,0 +1,74 @@
+package com.majinnaibu.monstercards.ui.library;
+
+import android.app.Application;
+
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+
+import com.majinnaibu.monstercards.AppDatabase;
+import com.majinnaibu.monstercards.models.Monster;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
+import io.reactivex.rxjava3.annotations.NonNull;
+import io.reactivex.rxjava3.observers.DisposableCompletableObserver;
+import io.reactivex.rxjava3.schedulers.Schedulers;
+import io.reactivex.rxjava3.subscribers.DisposableSubscriber;
+
+public class LibraryViewModel extends AndroidViewModel {
+    private final AppDatabase mDB;
+    private final MutableLiveData<List<Monster>> mMonsters;
+
+    public LibraryViewModel(Application application) {
+        super(application);
+        mDB = AppDatabase.getInstance(application);
+        mMonsters = new MutableLiveData<>(new ArrayList<>());
+        mDB.monsterDAO()
+                .getAll()
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribeOn(Schedulers.io())
+                .subscribe(new DisposableSubscriber<List<Monster>>() {
+                    @Override
+                    public void onNext(List<Monster> monsters) {
+                        mMonsters.setValue(monsters);
+                    }
+
+                    @Override
+                    public void onError(Throwable t) {
+
+                    }
+
+                    @Override
+                    public void onComplete() {
+
+                    }
+                });
+    }
+
+
+    public LiveData<List<Monster>> getMonsters() {
+        return mMonsters;
+    }
+
+    public void removeMonster(int position) {
+        Monster monster = mMonsters.getValue().get(position);
+        mDB.monsterDAO()
+                .delete(monster)
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribeOn(Schedulers.io())
+                .subscribe(new DisposableCompletableObserver() {
+                    @Override
+                    public void onComplete() {
+
+                    }
+
+                    @Override
+                    public void onError(@NonNull Throwable e) {
+
+                    }
+                });
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/ui/search/SearchFragment.java

@@ -1,34 +1,49 @@
 package com.majinnaibu.monstercards.ui.search;
 
+import android.content.Context;
 import android.os.Bundle;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.EditText;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.navigation.NavDirections;
+import androidx.navigation.Navigation;
+import androidx.recyclerview.widget.DividerItemDecoration;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.majinnaibu.monstercards.R;
+import com.majinnaibu.monstercards.databinding.FragmentSearchBinding;
-import com.majinnaibu.monstercards.data.MonsterRepository;
+import com.majinnaibu.monstercards.models.Monster;
 import com.majinnaibu.monstercards.ui.shared.MCFragment;
+import com.majinnaibu.monstercards.utils.Logger;
+
+import java.util.List;
 
 public class SearchFragment extends MCFragment {
+    private SearchViewModel mViewModel;
+    private ViewHolder mHolder;
+    private SearchResultsRecyclerViewAdapter mAdapter;
 
-    public View onCreateView(@NonNull LayoutInflater inflater,
+    @Override
-                             ViewGroup container, Bundle savedInstanceState) {
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View root = inflater.inflate(R.layout.fragment_search, container, false);
+        mViewModel = new ViewModelProvider(this).get(SearchViewModel.class);
-        MonsterRepository repository = this.getMonsterRepository();
+        FragmentSearchBinding binding = FragmentSearchBinding.inflate(inflater, container, false);
-        SearchResultsRecyclerViewAdapter adapter = new SearchResultsRecyclerViewAdapter(repository, null);
+        mHolder = new ViewHolder(binding);
-        final RecyclerView recyclerView = root.findViewById(R.id.monster_list);
+        // TODO: set the title with setTitle(...)
-        assert recyclerView != null;
+        setupMonsterList(binding.monsterList);
-        setupRecyclerView(recyclerView, adapter);
+        setupFilterBox(binding.searchQuery);
+        return binding.getRoot();
+    }
 
-        final TextView textView = root.findViewById(R.id.search_query);
+    private void setupFilterBox(@NonNull TextView textBox) {
-        textView.addTextChangedListener(new TextWatcher() {
+        textBox.addTextChangedListener(new TextWatcher() {
             @Override
             public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
             }
@@ -39,15 +54,42 @@ public class SearchFragment extends MCFragment {
 
             @Override
             public void afterTextChanged(Editable editable) {
-                adapter.doSearch(textView.getText().toString());
+                mViewModel.setFilterText(textBox.getText().toString());
             }
         });
-
-        return root;
     }
 
-    private void setupRecyclerView(@NonNull RecyclerView recyclerView, @NonNull SearchResultsRecyclerViewAdapter adapter) {
+    private void setupMonsterList(@NonNull RecyclerView recyclerView) {
-        recyclerView.setAdapter(adapter);
+        Context context = requireContext();
-        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+        LinearLayoutManager layoutManager = new LinearLayoutManager(context);
+        recyclerView.setLayoutManager(layoutManager);
+
+        LiveData<List<Monster>> monsterData = mViewModel.getMatchedMonsters();
+        mAdapter = new SearchResultsRecyclerViewAdapter(this::navigateToMonsterDetail);
+        if (monsterData != null) {
+            monsterData.observe(getViewLifecycleOwner(), monsters -> mAdapter.submitList(monsters));
+        }
+        recyclerView.setAdapter(mAdapter);
+        DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(context, layoutManager.getOrientation());
+        recyclerView.addItemDecoration(dividerItemDecoration);
+    }
+
+    public void navigateToMonsterDetail(Monster monster) {
+        if (monster == null) {
+            NavDirections action = SearchFragmentDirections.actionNavigationSearchToNavigationMonster(monster.id.toString());
+            Navigation.findNavController(requireView()).navigate(action);
+        } else {
+            Logger.logError("Can't navigate to MonsterDetail without a monster.");
+        }
+    }
+
+    private static class ViewHolder {
+        final RecyclerView monsterList;
+        final EditText filterQuery;
+
+        public ViewHolder(FragmentSearchBinding binding) {
+            monsterList = binding.monsterList;
+            filterQuery = binding.searchQuery;
+        }
     }
 }

Android/app/src/main/java/com/majinnaibu/monstercards/ui/search/SearchResultsRecyclerViewAdapter.java

@@ -1,90 +1,52 @@
 package com.majinnaibu.monstercards.ui.search;
 
 import android.view.LayoutInflater;
-import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 
 import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.DiffUtil;
+import androidx.recyclerview.widget.ListAdapter;
 
-import com.majinnaibu.monstercards.R;
+import com.majinnaibu.monstercards.databinding.SimpleListItemBinding;
-import com.majinnaibu.monstercards.data.MonsterRepository;
 import com.majinnaibu.monstercards.models.Monster;
-import com.majinnaibu.monstercards.utils.Logger;
+import com.majinnaibu.monstercards.ui.shared.SimpleListItemViewHolder;
+import com.majinnaibu.monstercards.utils.ItemCallback;
 
-import java.util.ArrayList;
+public class SearchResultsRecyclerViewAdapter extends ListAdapter<Monster, SimpleListItemViewHolder<Monster>> {
-import java.util.List;
+    private static final DiffUtil.ItemCallback<Monster> DIFF_CALLBACK = new DiffUtil.ItemCallback<Monster>() {
-
+        @Override
-import io.reactivex.rxjava3.core.Flowable;
+        public boolean areItemsTheSame(@NonNull Monster oldItem, @NonNull Monster newItem) {
-import io.reactivex.rxjava3.disposables.Disposable;
+            return Monster.areItemsTheSame(oldItem, newItem);
-
-public class SearchResultsRecyclerViewAdapter extends RecyclerView.Adapter<SearchResultsRecyclerViewAdapter.ViewHolder> {
-    private final MonsterRepository mRepository;
-    private final ItemCallback mOnClickHandler;
-    private String mSearchText;
-    private List<Monster> mValues;
-    private Disposable mSubscriptionHandler;
-
-    public SearchResultsRecyclerViewAdapter(MonsterRepository repository,
-                                            ItemCallback onClick) {
-        mRepository = repository;
-        mSearchText = "";
-        mValues = new ArrayList<>();
-        mOnClickHandler = onClick;
-        mSubscriptionHandler = null;
-
-        doSearch(mSearchText);
-    }
-
-    public void doSearch(String searchText) {
-        if (mSubscriptionHandler != null && !mSubscriptionHandler.isDisposed()) {
-            mSubscriptionHandler.dispose();
         }
-        mSearchText = searchText;
+
-        Flowable<List<Monster>> foundMonsters = mRepository.searchMonsters(mSearchText);
+        @Override
-        mSubscriptionHandler = foundMonsters.subscribe(monsters -> {
+        public boolean areContentsTheSame(@NonNull Monster oldItem, @NonNull Monster newItem) {
-                    mValues = monsters;
+            return Monster.areContentsTheSame(oldItem, newItem);
-                    notifyDataSetChanged();
+        }
-                },
+    };
-                throwable -> Logger.logError("Error performing search", throwable));
+    private final ItemCallback<Monster> mOnClick;
+
+    public SearchResultsRecyclerViewAdapter(ItemCallback<Monster> onClick) {
+        super(DIFF_CALLBACK);
+        mOnClick = onClick;
     }
 
     @NonNull
     @Override
-    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+    public SimpleListItemViewHolder<Monster> onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext())
+        SimpleListItemBinding binding = SimpleListItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
-                .inflate(R.layout.monster_list_content, parent, false);
+        return new SimpleListItemViewHolder<>(binding);
-        return new ViewHolder(view);
     }
 
     @Override
-    public void onBindViewHolder(@NonNull final ViewHolder holder, int position) {
+    public void onBindViewHolder(@NonNull final SimpleListItemViewHolder<Monster> holder, int position) {
-        Monster monster = mValues.get(position);
+        Monster monster = getItem(position);
-        holder.mContentView.setText(monster.name);
+        holder.item = monster;
-        holder.itemView.setTag(monster);
+        holder.contentView.setText(monster.name);
         holder.itemView.setOnClickListener(view -> {
-            if (mOnClickHandler != null) {
+            if (mOnClick != null) {
-                mOnClickHandler.onItem(monster);
+                mOnClick.onItem(holder.item);
             }
         });
     }
-
-    @Override
-    public int getItemCount() {
-        return mValues.size();
-    }
-
-    public interface ItemCallback {
-        void onItem(Monster monster);
-    }
-
-    public static class ViewHolder extends RecyclerView.ViewHolder {
-        final TextView mContentView;
-
-        ViewHolder(View view) {
-            super(view);
-            mContentView = view.findViewById(R.id.content);
-        }
-    }
 }

Android/app/src/main/java/com/majinnaibu/monstercards/ui/search/SearchViewModel.java

@@ -0,0 +1,118 @@
+package com.majinnaibu.monstercards.ui.search;
+
+import android.app.Application;
+
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MediatorLiveData;
+import androidx.lifecycle.MutableLiveData;
+
+import com.majinnaibu.monstercards.AppDatabase;
+import com.majinnaibu.monstercards.helpers.StringHelper;
+import com.majinnaibu.monstercards.models.Monster;
+import com.majinnaibu.monstercards.utils.Logger;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
+import io.reactivex.rxjava3.schedulers.Schedulers;
+import io.reactivex.rxjava3.subscribers.DisposableSubscriber;
+
+public class SearchViewModel extends AndroidViewModel {
+    private final MutableLiveData<List<Monster>> mAllMonsters;
+    private final MediatorLiveData<List<Monster>> mFilteredMonsters;
+    private final MutableLiveData<String> mFilterText;
+    private final AppDatabase mDB;
+
+    public SearchViewModel(Application application) {
+        super(application);
+        mDB = AppDatabase.getInstance(application);
+        mAllMonsters = new MutableLiveData<>(new ArrayList<>());
+        mFilterText = new MutableLiveData<>("");
+        mFilteredMonsters = new MediatorLiveData<>();
+        mFilteredMonsters.addSource(
+                mAllMonsters,
+                allMonsters -> mFilteredMonsters.setValue(
+                        filterMonsters(allMonsters, mFilterText.getValue())));
+        mFilteredMonsters.addSource(
+                mFilterText,
+                filterText -> mFilteredMonsters.setValue(
+                        filterMonsters(mAllMonsters.getValue(), filterText)));
+        mDB.monsterDAO()
+                .getAll()
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribeOn(Schedulers.io())
+                .subscribe(new DisposableSubscriber<List<Monster>>() {
+                    @Override
+                    public void onNext(List<Monster> monsters) {
+                        mAllMonsters.setValue(monsters);
+                    }
+
+                    @Override
+                    public void onError(Throwable t) {
+                    }
+
+                    @Override
+                    public void onComplete() {
+                    }
+                });
+    }
+
+    private boolean monsterMatchesFilter(Monster monster, String filterText) {
+        if (StringHelper.isNullOrEmpty(filterText)) {
+            return true;
+        }
+
+        if (StringHelper.containsCaseInsensitive(monster.name, filterText)) {
+            return true;
+        }
+
+        if (StringHelper.containsCaseInsensitive(monster.size, filterText)) {
+            return true;
+        }
+
+        if (StringHelper.containsCaseInsensitive(monster.type, filterText)) {
+            return true;
+        }
+
+        if (StringHelper.containsCaseInsensitive(monster.subtype, filterText)) {
+            return true;
+        }
+
+        if (StringHelper.containsCaseInsensitive(monster.alignment, filterText)) {
+            return true;
+        }
+
+        return false;
+    }
+
+    private List<Monster> filterMonsters(List<Monster> allMonsters, String filterText) {
+        ArrayList<Monster> filteredMonsters = new ArrayList<>();
+        filterText = filterText.toLowerCase(Locale.ROOT);
+        if (allMonsters != null) {
+            for (Monster monster : allMonsters) {
+                // TODO: do the filtering like the iOS app does.
+                Logger.logUnimplementedFeature("do the filtering like the iOS app does");
+                // TODO: consider splitting search text into words and if each word appears in any of these fields return true e.g, "large demon" would match large in size and demon in type.
+                // TODO: add tags and search by tags
+                // TODO: add a display of what fields matched on each item in the results
+                // TODO: make the criteria configurable from this screen
+                // TODO: find a way to add challenge rating as a search criteria
+                if (monsterMatchesFilter(monster, filterText)) {
+                    filteredMonsters.add(monster);
+                }
+            }
+        }
+        return filteredMonsters;
+    }
+
+    public LiveData<List<Monster>> getMatchedMonsters() {
+        return mFilteredMonsters;
+    }
+
+    public void setFilterText(String filterText) {
+        mFilterText.setValue(filterText);
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/ui/shared/SimpleListItemViewHolder.java

@@ -0,0 +1,17 @@
+package com.majinnaibu.monstercards.ui.shared;
+
+import android.widget.TextView;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.majinnaibu.monstercards.databinding.SimpleListItemBinding;
+
+public class SimpleListItemViewHolder<T> extends RecyclerView.ViewHolder {
+    public final TextView contentView;
+    public T item;
+
+    public SimpleListItemViewHolder(SimpleListItemBinding binding) {
+        super(binding.getRoot());
+        contentView = binding.content;
+    }
+}

Android/app/src/main/java/com/majinnaibu/monstercards/utils/ItemCallback.java

@@ -0,0 +1,5 @@
+package com.majinnaibu.monstercards.utils;
+
+public interface ItemCallback<T> {
+    void onItem(T item);
+}

Android/app/src/main/res/layout/activity_main.xml

@@ -31,5 +31,4 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_bias="0.0"
         app:navGraph="@navigation/mobile_navigation" />
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/card_ability_score.xml

@@ -55,5 +55,4 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         tools:text="+5" />
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/card_action.xml

@@ -35,6 +35,4 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/name"
         tools:text="Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 14 (2d8 + 5) bludgeoning damage." />
-
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/card_armor_class.xml

@@ -31,5 +31,4 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         tools:text="17" />
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/card_challenge_rating.xml

@@ -31,5 +31,4 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         tools:text="1/8" />
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/card_hit_points.xml

@@ -31,5 +31,4 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         tools:text="367" />
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/card_initiative.xml

@@ -31,5 +31,4 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         tools:text="+2" />
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/card_monster.xml

@@ -169,6 +169,4 @@
             android:layout_marginHorizontal="@dimen/padding_small"
             android:layout_weight="1" />
     </LinearLayout>
-
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/component_advantage_picker2.xml

@@ -1,78 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:layout_margin="@dimen/text_margin"
-    tools:context=".ui.components.AdvantagePicker">
-    <!-- // TODO: style this control to look less awful by default -->
-
-    <TextView
-        android:id="@+id/label"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginHorizontal="@dimen/padding_normal"
-        android:layout_marginTop="@dimen/padding_small"
-        android:text="@string/label_advantage"
-        android:textAppearance="@android:style/TextAppearance.Material.Body1"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <RadioGroup
-        android:id="@+id/group"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/label">
-
-        <com.google.android.material.radiobutton.MaterialRadioButton
-            android:id="@+id/hasNoAdvantage"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginHorizontal="4dp"
-            android:layout_marginVertical="8dp"
-            android:layout_weight="1"
-            android:background="@drawable/radio_button_selector"
-            android:button="@android:color/transparent"
-            android:gravity="center"
-            android:padding="8dp"
-            android:text="@string/label_advantage_none"
-            android:textAppearance="@android:style/TextAppearance.Material.Button"
-            android:textColor="@color/radio_button_text"
-            tools:checked="true" />
-
-        <com.google.android.material.radiobutton.MaterialRadioButton
-            android:id="@+id/hasAdvantage"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginHorizontal="4dp"
-            android:layout_marginVertical="8dp"
-            android:layout_weight="1"
-            android:background="@drawable/radio_button_selector"
-            android:button="@android:color/transparent"
-            android:gravity="center"
-            android:padding="8dp"
-            android:text="@string/label_advantage_advantage"
-            android:textAppearance="@android:style/TextAppearance.Material.Button"
-            android:textColor="@color/radio_button_text"
-            tools:checked="false" />
-
-        <com.google.android.material.radiobutton.MaterialRadioButton
-            android:id="@+id/hasDisadvantage"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginHorizontal="4dp"
-            android:layout_marginVertical="8dp"
-            android:layout_weight="1"
-            android:background="@drawable/radio_button_selector"
-            android:button="@android:color/transparent"
-            android:gravity="center"
-            android:padding="8dp"
-            android:text="@string/label_advantage_disadvantage"
-            android:textAppearance="@android:style/TextAppearance.Material.Button"
-            android:textColor="@color/radio_button_text"
-            tools:checked="false" />
-    </RadioGroup>
-</androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/fragment_dashboard_list_item.xml

@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="horizontal">
-
-    <TextView
-        android:id="@+id/content"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_margin="@dimen/text_margin"
-        android:textAppearance="?attr/textAppearanceListItem" />
-
-    <!--            <include-->
-    <!--                layout="@layout/card_monster"-->
-    <!--                android:layout_width="0dp"-->
-    <!--                android:layout_height="wrap_content"-->
-    <!--                android:layout_columnWeight="1"-->
-    <!--                android:layout_marginVertical="8dp"/>-->
-
-    <!--            <include-->
-    <!--                layout="@layout/card_monster_short"-->
-    <!--                android:layout_width="0dp"-->
-    <!--                android:layout_height="wrap_content"-->
-    <!--                android:layout_columnWeight="1"-->
-    <!--                android:layout_marginVertical="8dp"/>-->
-
-    <!--            <include-->
-    <!--                layout="@layout/tile_monster"-->
-    <!--                android:layout_width="0dp"-->
-    <!--                android:layout_height="wrap_content"-->
-    <!--                android:layout_columnWeight="1"-->
-    <!--                android:layout_marginVertical="8dp"/>-->
-
-    <!--            <include-->
-    <!--                layout="@layout/tile_monster_short"-->
-    <!--                android:layout_width="0dp"-->
-    <!--                android:layout_height="wrap_content"-->
-    <!--                android:layout_columnWeight="1"-->
-    <!--                android:layout_marginVertical="8dp" />-->
-
-</LinearLayout>

Android/app/src/main/res/layout/fragment_edit_languages_list.xml

@@ -17,7 +17,7 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        tools:listitem="@layout/fragment_edit_languages_list_item" />
+        tools:listitem="@layout/simple_list_item" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/add_language"

Android/app/src/main/res/layout/fragment_edit_monster.xml

@@ -184,6 +184,5 @@
             android:text="@string/label_regional_effects"
             android:textSize="@dimen/text_h4_size"
             app:drawableEndCompat="@drawable/ic_chevron_right_24" />
-
     </LinearLayout>
 </ScrollView>

Android/app/src/main/res/layout/fragment_edit_saving_throws.xml

@@ -167,5 +167,4 @@
                 android:layout_height="wrap_content" />
         </LinearLayout>
     </LinearLayout>
-
 </ScrollView>

Android/app/src/main/res/layout/fragment_edit_skills_list.xml

@@ -17,7 +17,7 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        tools:listitem="@layout/fragment_edit_skills_list_item" />
+        tools:listitem="@layout/simple_list_item" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/add_skill"

Android/app/src/main/res/layout/fragment_edit_skills_list_item.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="horizontal">
-
-    <TextView
-        android:id="@+id/content"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_margin="@dimen/text_margin"
-        android:textAppearance="?attr/textAppearanceListItem" />
-</LinearLayout>

Android/app/src/main/res/layout/fragment_edit_strings_list.xml

@@ -17,7 +17,7 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        tools:listitem="@layout/fragment_edit_traits_list_item" />
+        tools:listitem="@layout/simple_list_item" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/add_item"

Android/app/src/main/res/layout/fragment_edit_strings_list_item.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="horizontal">
-
-    <TextView
-        android:id="@+id/content"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_margin="@dimen/text_margin"
-        android:textAppearance="?attr/textAppearanceListItem" />
-</LinearLayout>

Android/app/src/main/res/layout/fragment_edit_traits_list.xml

@@ -17,7 +17,7 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        tools:listitem="@layout/fragment_edit_traits_list_item" />
+        tools:listitem="@layout/simple_list_item" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/add_trait"

Android/app/src/main/res/layout/fragment_edit_traits_list_item.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="horizontal">
-
-    <TextView
-        android:id="@+id/content"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_margin="@dimen/text_margin"
-        android:textAppearance="?attr/textAppearanceListItem" />
-</LinearLayout>

Android/app/src/main/res/layout/fragment_library.xml

@@ -17,7 +17,7 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         tools:context=".MonsterListFragment"
-        tools:listitem="@layout/monster_list_content" />
+        tools:listitem="@layout/simple_list_item" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/fab"

Android/app/src/main/res/layout/fragment_search.xml

@@ -34,7 +34,5 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/search_query"
         tools:context=".SearchResultsFragment"
-        tools:listitem="@layout/monster_list_content" />
+        tools:listitem="@layout/simple_list_item" />
-
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/monster_list_content.xml

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="horizontal">
-    <!-- // TODO: combine all of these similar list layouts into a single one -->
-
-    <TextView
-        android:id="@+id/content"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_margin="@dimen/text_margin"
-        android:textAppearance="?attr/textAppearanceListItem" />
-</LinearLayout>

Android/app/src/main/res/layout/tile_monster.xml

@@ -97,5 +97,4 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/app/src/main/res/layout/tile_monster_short.xml

@@ -84,7 +84,5 @@
             layout="@layout/card_challenge_rating"
             android:layout_width="@dimen/icon_size"
             android:layout_height="@dimen/icon_size" />
-
     </LinearLayout>
-
 </androidx.constraintlayout.widget.ConstraintLayout>

Android/build.gradle

@@ -5,9 +5,8 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.4'
+        classpath "com.android.tools.build:gradle:7.0.1"
         classpath "androidx.navigation:navigation-safe-args-gradle-plugin:2.3.5"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.10"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files