#100[30m]. Add UI and base logic.

app/src/main/java/com/blogspot/e_kanivets/moneytracker/adapter/CategoryAutoCompleteAdapter.java

@@ -1,15 +1,23 @@
 package com.blogspot.e_kanivets.moneytracker.adapter;
 
 import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.Filter;
 import android.widget.Filterable;
+import android.widget.TextView;
 
+import com.blogspot.e_kanivets.moneytracker.R;
 import com.blogspot.e_kanivets.moneytracker.util.CategoryAutoCompleter;
 
 import java.util.ArrayList;
 import java.util.List;
 
+import butterknife.Bind;
+import butterknife.ButterKnife;
+
 /**
  * Custom adapter to autocomplete categories.
  * Created on 3/18/16.
@@ -25,6 +33,31 @@ public CategoryAutoCompleteAdapter(Context context, int resource, CategoryAutoCo
         this.autoCompleter = autoCompleter;
     }
 
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        ViewHolder viewHolder;
+
+        if (convertView == null) {
+            convertView = LayoutInflater.from(getContext()).inflate(R.layout.view_category_item, parent, false);
+            viewHolder = new ViewHolder(convertView);
+            convertView.setTag(viewHolder);
+        } else viewHolder = (ViewHolder) convertView.getTag();
+
+        final String category = resultList.get(position);
+
+        viewHolder.tvCategory.setText(category);
+        viewHolder.ivCancel.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                autoCompleter.removeFromAutoComplete(category);
+                resultList.remove(category);
+                notifyDataSetChanged();
+            }
+        });
+
+        return convertView;
+    }
+
     @Override
     public int getCount() {
         return resultList.size();
@@ -63,4 +96,15 @@ protected void publishResults(CharSequence constraint, FilterResults results) {
             }
         };
     }
+
+    public static class ViewHolder {
+        @Bind(R.id.tv_category)
+        TextView tvCategory;
+        @Bind(R.id.iv_cancel)
+        View ivCancel;
+
+        public ViewHolder(View view) {
+            ButterKnife.bind(this, view);
+        }
+    }
 }

app/src/main/java/com/blogspot/e_kanivets/moneytracker/util/CategoryAutoCompleter.java

@@ -4,7 +4,9 @@
 import com.blogspot.e_kanivets.moneytracker.entity.data.Category;
 
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 /**
  * Util class to encapsulate category autocomplete logic.
@@ -14,9 +16,11 @@
  */
 public class CategoryAutoCompleter {
     private List<String> categoryList;
+    private Set<String> filterSet;
 
     public CategoryAutoCompleter(CategoryController categoryController) {
         categoryList = new ArrayList<>();
+        filterSet = new HashSet<>();
 
         for (Category category : categoryController.readAll()) {
             categoryList.add(category.getName());
@@ -32,4 +36,9 @@ public List<String> completeByPart(String part) {
 
         return resultList;
     }
+
+    public void removeFromAutoComplete(String category) {
+        filterSet.add(category);
+        categoryList.remove(category);
+    }
 }

app/src/main/res/drawable/ic_cancel.xml

@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:width="24dp"
+    android:height="24dp"
+    android:autoMirrored="true"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0"
+    tools:ignore="VectorRaster"
+    tools:targetApi="kitkat">
+    <path
+        android:fillColor="#FF757575"
+        android:pathData="M19,6.41L17.59,5L12,10.59L6.41,5L5,6.41L10.59,12L5,17.59L6.41,19L12,13.41L17.59,19L19,17.59L13.41,12L19,6.41Z" />
+</vector>

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

@@ -1,7 +1,28 @@
 <?xml version="1.0" encoding="utf-8"?>
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:paddingBottom="@dimen/half_margin"
-    android:paddingTop="@dimen/half_margin"
-    android:theme="@style/Text_Body1" />
+    android:gravity="center_vertical"
+    android:orientation="horizontal"
+    android:paddingEnd="@dimen/half_margin"
+    android:paddingStart="@dimen/normal_margin"
+    tools:ignore="UseCompoundDrawables">
+
+    <TextView
+        android:id="@+id/tv_category"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:paddingBottom="@dimen/half_margin"
+        android:paddingTop="@dimen/half_margin"
+        android:theme="@style/Text_Body1" />
+
+    <ImageView
+        android:id="@+id/iv_cancel"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:contentDescription="@android:string/cancel"
+        android:src="@drawable/ic_cancel" />
+
+</LinearLayout>