develop

shopping_item.xml, ShoppingItemAdapter,

app/build.gradle

@@ -2,6 +2,7 @@ plugins {
     id 'com.android.application'
     id 'kotlin-android'
     id 'kotlin-kapt'
+    id 'kotlin-android-extensions'
 }
 
 android {

app/src/main/java/com/beyzaakkuzu/shoppinglist/Adapter/ShoppingItemAdapter.kt

@@ -0,0 +1,50 @@
+package com.beyzaakkuzu.shoppinglist.Adapter
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.beyzaakkuzu.shoppinglist.R
+import com.beyzaakkuzu.shoppinglist.data.db.entities.Shopping
+import com.beyzaakkuzu.shoppinglist.ui.shoppinglist.ShoppingViewModel
+import kotlinx.android.synthetic.main.shopping_item.view.*
+
+class ShoppingItemAdapter(
+    var items: List<Shopping>,
+    private val viewModel: ShoppingViewModel
+) : RecyclerView.Adapter<ShoppingItemAdapter.ShoppingViewHolder>() {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ShoppingViewHolder {
+        val view = LayoutInflater.from(parent.context).inflate(R.layout.shopping_item, parent, false)
+        return ShoppingViewHolder(view)
+    }
+
+    override fun getItemCount(): Int {
+        return items.size
+    }
+
+    override fun onBindViewHolder(holder: ShoppingViewHolder, position: Int) {
+        val curShoppingItem= items[position]
+        holder.itemView.nameTextView.text = curShoppingItem.name
+        holder.itemView.amountTextView.text = "${curShoppingItem.amount}"
+
+        holder.itemView.plus.setOnClickListener {
+            curShoppingItem.amount++
+            viewModel.upsert(curShoppingItem)
+        }
+        holder.itemView.delete.setOnClickListener {
+                viewModel.delete(curShoppingItem)
+            }
+        holder.itemView.minus.setOnClickListener {
+            if(curShoppingItem.amount>0){
+                curShoppingItem.amount--
+                viewModel.upsert(curShoppingItem)
+        }
+        }
+
+    }
+
+    inner class ShoppingViewHolder(itemView: View): RecyclerView.ViewHolder(itemView)
+
+
+}

app/src/main/res/drawable-anydpi/ic_delete.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333"
+    android:alpha="0.6">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,1H5v2h14V4z"/>
+</vector>

app/src/main/res/drawable-anydpi/ic_minus.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333"
+    android:alpha="0.6">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM17,13L7,13v-2h10v2z"/>
+</vector>

app/src/main/res/drawable-anydpi/ic_plus.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333"
+    android:alpha="0.6">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM17,13h-4v4h-2v-4L7,13v-2h4L11,7h2v4h4v2z"/>
+</vector>

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

@@ -0,0 +1,57 @@
+<?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:padding="16dp">
+
+    <TextView
+        android:id="@+id/nameTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="TextView"
+        android:textSize="20sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/amountTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="TextView"
+        android:textSize="20sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <ImageView
+        android:id="@+id/delete"
+        android:layout_width="35dp"
+        android:layout_height="35dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="16dp"
+        android:src="@drawable/ic_delete"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/nameTextView" />
+
+    <ImageView
+        android:id="@+id/minus"
+        android:layout_width="35dp"
+        android:layout_height="35dp"
+        android:layout_marginTop="16dp"
+        android:src="@drawable/ic_minus"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/amountTextView" />
+
+    <ImageView
+        android:id="@+id/plus"
+        android:layout_width="35dp"
+        android:layout_height="35dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginEnd="16dp"
+        android:layout_marginBottom="16dp"
+        android:src="@drawable/ic_plus"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/minus"
+        app:layout_constraintTop_toBottomOf="@+id/amountTextView" />
+</androidx.constraintlayout.widget.ConstraintLayout>