App is now fully converted to Kotlin

app/src/main/java/com/denizd/substitutionplan/FoodAdapter.kt

@@ -0,0 +1,49 @@
+package com.denizd.substitutionplan
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+
+import java.util.ArrayList
+import androidx.recyclerview.widget.RecyclerView
+
+class FoodAdapter(food: ArrayList<Food>) : RecyclerView.Adapter<FoodAdapter.CardViewHolder>() {
+    private var mFood: List<Food>? = null
+
+    class CardViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        var mFood: TextView
+
+        init {
+            mFood = itemView.findViewById(R.id.cardInfoText)
+        }
+    }
+
+    init {
+        mFood = food
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CardViewHolder {
+        val v = LayoutInflater.from(parent.context).inflate(R.layout.just_a_card, parent, false)
+        return CardViewHolder(v)
+    }
+
+    fun getFoodAt(i: Int): Food {
+        return mFood!![i]
+    }
+
+    override fun onBindViewHolder(holder: CardViewHolder, position: Int) {
+        val currentItem = mFood!![position]
+
+        holder.mFood.text = currentItem.food
+    }
+
+    override fun getItemCount(): Int {
+        return mFood!!.size
+    }
+
+    fun setFood(food: List<Food>) {
+        mFood = food
+        notifyDataSetChanged()
+    }
+}