feat: Actually use Chip for removable category chips

app/src/main/java/com/p_vacho/neat_calendar/adapters/CategoryChipAdapter.kt

@@ -2,11 +2,9 @@ package com.p_vacho.neat_calendar.adapters
 
 import android.content.res.ColorStateList
 import android.view.LayoutInflater
-import android.view.View
 import android.view.ViewGroup
-import android.widget.ImageButton
-import android.widget.TextView
 import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.chip.Chip
 import com.p_vacho.neat_calendar.R
 import com.p_vacho.neat_calendar.api.models.CategoryResponse
 
@@ -14,47 +12,37 @@ class CategoryChipAdapter(
     private val categories: List<CategoryResponse>,
     private val isRemovable: Boolean = false,
     private val onRemoveCategory: ((CategoryResponse, Int) -> Unit)? = null
-) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+) : RecyclerView.Adapter<CategoryChipAdapter.CategoryChipViewHolder>() {
 
-    inner class CategoryViewHolder(val textView: TextView) : RecyclerView.ViewHolder(textView)
-
-    inner class RemovableCategoryViewHolder(view: View) : RecyclerView.ViewHolder(view) {
-        val textView: TextView = view.findViewById(R.id.chipText)
-        val removeButton: ImageButton = view.findViewById(R.id.removeButton)
-    }
+    inner class CategoryChipViewHolder(val chip: Chip) : RecyclerView.ViewHolder(chip)
 
     override fun getItemViewType(position: Int): Int {
         return if (isRemovable) 1 else 0
     }
 
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
-        return if (viewType == 1) {
-            val view = LayoutInflater.from(parent.context)
-                .inflate(R.layout.item_removable_category_chip, parent, false)
-            RemovableCategoryViewHolder(view)
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CategoryChipViewHolder {
+        val layoutResId = if (viewType == 1) {
+            R.layout.item_removable_category_chip
         } else {
-            val view = LayoutInflater.from(parent.context)
-                .inflate(R.layout.item_category_chip, parent, false) as TextView
-            CategoryViewHolder(view)
-        }
+            R.layout.item_category_chip
         }
 
-    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        val chip = LayoutInflater.from(parent.context)
+            .inflate(layoutResId, parent, false) as Chip
+        return CategoryChipViewHolder(chip)
+    }
+
+    override fun onBindViewHolder(holder: CategoryChipViewHolder, position: Int) {
         val category = categories[position]
+        val chip = holder.chip
 
-        if (holder is CategoryViewHolder) {
-            // Regular category chip
-            holder.textView.text = category.name
-            holder.textView.backgroundTintList = ColorStateList.valueOf(category.color.toArgb())
-        } else if (holder is RemovableCategoryViewHolder) {
-            // Removable category chip
-            holder.textView.text = category.name
+        // Set the chip's text and background color
+        chip.text = category.name
+        chip.chipStrokeColor = ColorStateList.valueOf(category.color.toArgb())
 
-            // Apply background tint to the LinearLayout (container)
-            holder.itemView.backgroundTintList = ColorStateList.valueOf(category.color.toArgb())
-
-            // Set up the remove button's click listener
-            holder.removeButton.setOnClickListener {
+        if (isRemovable) {
+            // Set close icon click listener for removable chips
+            chip.setOnCloseIconClickListener {
                 onRemoveCategory?.invoke(category, position)
             }
         }

app/src/main/java/com/p_vacho/neat_calendar/adapters/EventCardAdapter.kt

@@ -80,7 +80,7 @@ class EventCardAdapter(
         // Initialize empty state for categories
         holder.rvCategories.layoutManager =
             LinearLayoutManager(holder.itemView.context, LinearLayoutManager.HORIZONTAL, false)
-        holder.rvCategories.adapter = CategoryChipAdapter(emptyList())
+        holder.rvCategories.adapter = CategoryChipAdapter(emptyList(), isRemovable = false)
 
         // Events list might contain events that are owned by others (invited events)
         // we can't show the categories & edit / delete buttons for these, as we don't
@@ -138,7 +138,7 @@ class EventCardAdapter(
             }
 
             // Update the RecyclerView adapter on the main thread
-            holder.rvCategories.adapter = CategoryChipAdapter(categories)
+            holder.rvCategories.adapter = CategoryChipAdapter(categories, isRemovable = false)
         }
     }
 }

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

@@ -1,37 +1,24 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
+<com.google.android.material.chip.Chip
     xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/removableChip"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:orientation="horizontal"
-    android:gravity="center_vertical"
     android:layout_marginEnd="8dp"
-    android:background="@drawable/bg_category_chip"
-    android:backgroundTint="@android:color/holo_blue_dark"
     android:paddingStart="8dp"
-    android:paddingEnd="4dp"
+    android:paddingEnd="8dp"
     android:paddingTop="4dp"
-    android:paddingBottom="4dp">
-
-    <!-- Text for the category -->
-    <TextView
-        android:id="@+id/chipText"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
+    android:paddingBottom="4dp"
     android:textSize="12sp"
     android:textColor="?android:attr/textColorPrimary"
+    app:chipIcon="@drawable/ic_tag"
+    app:chipIconTint="?android:attr/textColorSecondary"
+    app:chipBackgroundColor="@android:color/transparent"
+    app:chipSurfaceColor="@android:color/transparent"
+    app:chipStrokeColor="@android:color/holo_blue_dark"
+    app:chipStrokeWidth="1dp"
+    app:closeIconEnabled="true"
+    app:closeIcon="@drawable/ic_close"
+    app:closeIconTint="?android:attr/textColorSecondary"
     tools:text="Work" />
-
-    <!-- X button to remove the category -->
-    <ImageButton
-        android:id="@+id/removeButton"
-        android:layout_width="20dp"
-        android:layout_height="20dp"
-        android:layout_marginStart="8dp"
-        android:background="?attr/selectableItemBackgroundBorderless"
-        android:contentDescription="@string/remove_category"
-        android:src="@drawable/ic_close"
-        app:tint="?android:attr/textColorPrimary" />
-</LinearLayout>