Adds skills to monster cards.

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

@@ -13,6 +13,7 @@ public class Monster {
 
     public Monster() {
         mSavingThrows = new HashSet<>();
+        mSkills = new HashSet<>();
     }
 
     private String mName;
@@ -586,4 +587,36 @@ public class Monster {
     public void setCustomProficiencyBonus(int proficiencyBonus) {
         mCustomProficiencyBonus = proficiencyBonus;
     }
+
+    private HashSet<Skill> mSkills;
+    public Set<Skill> getSkills() {
+        return mSkills;
+    }
+    public void addSkill(Skill skill) {
+        mSkills.add(skill);
+    }
+    public void removeSkill(Skill skill) {
+        mSkills.remove(skill);
+    }
+    public void clearSkill(Skill skill) {
+        mSkills.clear();
+    }
+
+    public String getSkillsDescription() {
+        Skill[] elements = new Skill[mSkills.size()];
+        elements = mSkills.toArray(elements);
+        Arrays.sort(elements);
+        StringBuilder sb = new StringBuilder();
+        boolean isFirst = true;
+        for (Skill skill : elements) {
+            if (!isFirst) {
+                sb.append(", ");
+            }
+            String name = skill.getName();
+            sb.append(skill.getText(this));
+            isFirst = false;
+        }
+        return sb.toString();
+    }
+
 }

app/src/main/java/com/majinnaibu/monstercards/models/Skill.java

@@ -0,0 +1,68 @@
+package com.majinnaibu.monstercards.models;
+
+import java.util.Comparator;
+import java.util.Locale;
+
+public class Skill implements Comparator<Skill>, Comparable<Skill> {
+
+    private String mName;
+    private String mAbilityScoreName;
+    private String mNote;
+
+    public Skill(String name, String abilityScoreName) {
+        mName = name;
+        mAbilityScoreName = abilityScoreName;
+        mNote = "";
+    }
+
+    public Skill(String name, String abilityScoreName, String note) {
+        mName = name;
+        mAbilityScoreName = abilityScoreName;
+        mNote = note;
+    }
+
+    public String getName() {
+        return mName;
+    }
+    public void setName(String name) {
+        mName = name;
+    }
+
+    public String getAbilityScoreName() {
+        return mAbilityScoreName;
+    }
+    public void setAbilityScoreName(String abilityScoreName) {
+        mAbilityScoreName = abilityScoreName;
+    }
+
+    public String getNote() {
+        return mNote;
+    }
+
+    public int getSkillBonus(Monster monster) {
+        int bonus = monster.getAbilityModifier(mAbilityScoreName);
+        if (" (ex)".equals(getNote())) {
+            bonus += 2 * monster.getProficiencyBonus();
+        } else {
+            bonus += monster.getProficiencyBonus();
+        }
+        return bonus;
+    }
+
+    public String getText(Monster monster) {
+        int bonus = getSkillBonus(monster);
+
+        return String.format(Locale.US, "%s%s %d", mName.substring(0,1), mName.substring(1), bonus);
+    }
+
+    @Override
+    public int compareTo(Skill o) {
+        return this.getName().compareToIgnoreCase(o.getName());
+    }
+
+    @Override
+    public int compare(Skill o1, Skill o2) {
+        return o1.getName().compareToIgnoreCase(o2.getName());
+    }
+
+}

app/src/main/java/com/majinnaibu/monstercards/ui/monster/MonsterFragment.java

@@ -17,6 +17,7 @@ import com.majinnaibu.monstercards.R;
 import com.majinnaibu.monstercards.helpers.StringHelper;
 import com.majinnaibu.monstercards.models.Monster;
 import com.majinnaibu.monstercards.models.SavingThrow;
+import com.majinnaibu.monstercards.models.Skill;
 
 @SuppressWarnings("FieldCanBeLocal")
 public class MonsterFragment extends Fragment {
@@ -66,6 +67,9 @@ public class MonsterFragment extends Fragment {
         monster.addSavingThrow(new SavingThrow("int", 3));
         monster.addSavingThrow(new SavingThrow("wis", 4));
         monster.addSavingThrow(new SavingThrow("cha", 5));
+        //Skills
+        monster.addSkill(new Skill("perception", "wis"));
+        monster.addSkill(new Skill("stealth", "dexterity"));
 
         // Challenge Rating
         monster.setChallengeRating("*");
@@ -177,6 +181,19 @@ public class MonsterFragment extends Fragment {
             }
         });
 
+        final TextView monsterSkills = root.findViewById(R.id.skills);
+        monsterViewModel.getSkills().observe(getViewLifecycleOwner(), new Observer<String>() {
+            @Override
+            public void onChanged(String skills) {
+                if (StringHelper.isNullOrEmpty(skills)) {
+                    monsterSkills.setVisibility(View.GONE);
+                } else {
+                    monsterSkills.setVisibility(View.VISIBLE);
+                }
+                monsterSkills.setText(Html.fromHtml("<b>Skills</b> " + skills));
+            }
+        });
+
         return root;
     }
 }

app/src/main/java/com/majinnaibu/monstercards/ui/monster/MonsterViewModel.java

@@ -34,6 +34,8 @@ public class MonsterViewModel extends ViewModel {
         mCharisma.setValue("");
         mSavingThrows = new MutableLiveData<>();
         mSavingThrows.setValue("");
+        mSkills = new MutableLiveData<>();
+        mSkills.setValue("");
     }
 
     private MutableLiveData<String> mName;
@@ -84,6 +86,10 @@ public class MonsterViewModel extends ViewModel {
     public LiveData<String> getSavingThrows() {
         return mSavingThrows;
     }
+    private MutableLiveData<String> mSkills;
+    public LiveData<String> getSkills() {
+        return mSkills;
+    }
 
     private Monster mMonster;
     public void setMonster(Monster monster) {
@@ -100,5 +106,6 @@ public class MonsterViewModel extends ViewModel {
         mWisdom.setValue(monster.getWisdomDescription());
         mCharisma.setValue(monster.getCharismaDescription());
         mSavingThrows.setValue(monster.getSavingThrowsDescription());
+        mSkills.setValue(monster.getSkillsDescription());
     }
 }

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

@@ -318,5 +318,18 @@
             app:layout_constraintTop_toBottomOf="@+id/divider3"
             tools:text="Saving Throws" />
 
+        <TextView
+            android:id="@+id/skills"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:layout_marginTop="8dp"
+            android:layout_marginEnd="8dp"
+            android:layout_marginBottom="8dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/saving_throws"
+            tools:text="Skills" />
+
     </androidx.constraintlayout.widget.ConstraintLayout>
 </ScrollView>