First working version

app/build.gradle.kts

@@ -50,6 +50,7 @@ dependencies {
     implementation(libs.androidx.ui.tooling.preview)
     implementation(libs.androidx.material3)
     implementation(libs.androidx.appcompat)
+    implementation(libs.androidx.recyclerview)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)

app/src/main/java/it/danieleverducci/lunatracker/MainActivity.kt

@@ -1,15 +1,16 @@
 package it.danieleverducci.lunatracker
 
 import android.os.Bundle
-import android.util.Log
 import android.view.View
 import android.widget.NumberPicker
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import it.danieleverducci.lunatracker.adapters.LunaEventRecyclerAdapter
 import it.danieleverducci.lunatracker.entities.Logbook
 import it.danieleverducci.lunatracker.entities.LunaEvent
 import it.danieleverducci.lunatracker.entities.LunaEventType
-import java.io.File
 
 class MainActivity : AppCompatActivity() {
     companion object {
@@ -17,14 +18,25 @@ class MainActivity : AppCompatActivity() {
     }
 
     lateinit var logbook: Logbook
+    lateinit var adapter: LunaEventRecyclerAdapter
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
+        // Load data
         logbook = Logbook.load(this)
 
+        // Show view
         setContentView(R.layout.activity_main)
 
+        // Show logbook
+        val recyclerView = findViewById<RecyclerView>(R.id.list_events)
+        recyclerView.setLayoutManager(LinearLayoutManager(this))
+        adapter = LunaEventRecyclerAdapter(this)
+        adapter.items.addAll(logbook.logs)
+        recyclerView.adapter = adapter
+
+        // Set listeners
         findViewById<View>(R.id.button_bottle).setOnClickListener { askBabyBottleContent() }
         findViewById<View>(R.id.button_nipple_left).setOnClickListener { logEvent(
             LunaEvent(
@@ -74,7 +86,9 @@ class MainActivity : AppCompatActivity() {
     }
 
     fun logEvent(event: LunaEvent) {
-        logbook.logs.add(event)
+        adapter.items.add(0, event)
+        adapter.notifyItemInserted(0)
+        logbook.logs.add(0, event)
         logbook.save(this)
     }
 

app/src/main/java/it/danieleverducci/lunatracker/adapters/LunaEventRecyclerAdapter.kt

@@ -0,0 +1,81 @@
+package it.danieleverducci.lunatracker.adapters
+
+import android.content.Context
+import android.text.format.DateUtils
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import it.danieleverducci.lunatracker.entities.LunaEvent
+import it.danieleverducci.lunatracker.entities.LunaEventType
+import it.danieleverducci.lunatracker.R
+import java.text.DateFormat
+import java.util.Date
+
+class LunaEventRecyclerAdapter: RecyclerView.Adapter<LunaEventRecyclerAdapter.LunaEventVH> {
+    private val context: Context
+    val items = ArrayList<LunaEvent>()
+
+    constructor(context: Context) {
+        this.context = context
+    }
+
+    override fun onCreateViewHolder(
+        parent: ViewGroup,
+        viewType: Int
+    ): LunaEventVH {
+
+        val view = LayoutInflater.from(context).inflate(R.layout.row_luna_event, parent, false)
+        return LunaEventVH(view)
+    }
+
+    override fun onBindViewHolder(
+        holder: LunaEventVH,
+        position: Int
+    ) {
+        val item = items.get(position)
+        holder.type.text = context.getString(
+            when (item.type) {
+                LunaEventType.BABY_BOTTLE -> R.string.event_bottle_type
+                LunaEventType.BREASTFEEDING_LEFT_NIPPLE -> R.string.event_breastfeeding_left_type
+                LunaEventType.BREASTFEEDING_BOTH_NIPPLE -> R.string.event_breastfeeding_both_type
+                LunaEventType.BREASTFEEDING_RIGHT_NIPPLE -> R.string.event_breastfeeding_right_type
+                LunaEventType.DIAPERCHANGE_POO -> R.string.event_diaperchange_poo_type
+                LunaEventType.DIAPERCHANGE_PEE -> R.string.event_diaperchange_pee_type
+                else -> R.string.event_unknown_type
+            }
+        )
+        holder.description.text = context.getString(
+            when (item.type) {
+                LunaEventType.BABY_BOTTLE -> R.string.event_bottle_desc
+                LunaEventType.BREASTFEEDING_LEFT_NIPPLE -> R.string.event_breastfeeding_left_desc
+                LunaEventType.BREASTFEEDING_BOTH_NIPPLE -> R.string.event_breastfeeding_both_desc
+                LunaEventType.BREASTFEEDING_RIGHT_NIPPLE -> R.string.event_breastfeeding_right_desc
+                LunaEventType.DIAPERCHANGE_POO -> R.string.event_diaperchange_poo_desc
+                LunaEventType.DIAPERCHANGE_PEE -> R.string.event_diaperchange_pee_desc
+                else -> R.string.event_unknown_desc
+            }
+        )
+        holder.quantity.text = if ((item.quantity ?: 0) > 0) item.quantity.toString() else ""
+        holder.time.text = DateUtils.getRelativeTimeSpanString(item.time * 1000)
+    }
+
+    override fun getItemCount(): Int {
+        return items.size
+    }
+
+    class LunaEventVH: RecyclerView.ViewHolder {
+        val type: TextView
+        val description: TextView
+        val quantity: TextView
+        val time: TextView
+
+        constructor(v: View) : super(v) {
+            type = v.findViewById<TextView>(R.id.type)
+            description = v.findViewById<TextView>(R.id.description)
+            quantity = v.findViewById<TextView>(R.id.quantity)
+            time = v.findViewById<TextView>(R.id.time)
+        }
+    }
+}

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

@@ -26,7 +26,7 @@
         android:background="@drawable/button_background"
         android:gravity="center_horizontal"
         android:textSize="50sp"
-        android:text="🍼"/>
+        android:text="@string/event_bottle_type"/>
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -101,7 +101,7 @@
         android:text="Diario di bordo"
         android:layout_marginTop="30dp"/>
 
-    <ListView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/list_events"
         android:layout_width="match_parent"
         android:layout_height="0dp"

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

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:gravity="center_vertical">
+
+    <TextView
+        android:id="@+id/type"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="2"
+        android:textSize="28sp"
+        android:text="Type"/>
+
+    <TextView
+        android:id="@+id/description"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="2"
+        android:text="Description"/>
+
+    <TextView
+        android:id="@+id/quantity"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:text="Qty"/>
+
+    <TextView
+        android:id="@+id/time"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="2"
+        android:textStyle="bold"
+        android:text="Time"/>
+
+</LinearLayout>

app/src/main/res/values/strings.xml

@@ -5,4 +5,21 @@
 
     <string name="log_bottle_dialog_title">Biberon</string>
     <string name="log_bottle_dialog_description">Inserisci la quantità contenuta nel biberon</string>
+
+    <string name="event_bottle_type">🍼</string>
+    <string name="event_breastfeeding_left_type">🤱 ←</string>
+    <string name="event_breastfeeding_both_type">🤱 ↔</string>
+    <string name="event_breastfeeding_right_type">🤱 →</string>
+    <string name="event_diaperchange_poo_type">🚼 💩</string>
+    <string name="event_diaperchange_pee_type">🚼 💧</string>
+    <string name="event_unknown_type">-</string>
+
+    <string name="event_bottle_desc">Biberon</string>
+    <string name="event_breastfeeding_left_desc">Allatt. al seno (sx)</string>
+    <string name="event_breastfeeding_both_desc">Allatt. al seno</string>
+    <string name="event_breastfeeding_right_desc">Allatt. al seno (dx)</string>
+    <string name="event_diaperchange_poo_desc">Cambio (con cacca)</string>
+    <string name="event_diaperchange_pee_desc">Cambio (con pipì)</string>
+    <string name="event_unknown_desc"></string>
+
 </resources>

gradle/libs.versions.toml

@@ -9,9 +9,11 @@ lifecycleRuntimeKtx = "2.6.1"
 activityCompose = "1.8.0"
 composeBom = "2024.04.01"
 appcompat = "1.7.0"
+recyclerview = "1.3.2"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+androidx-recyclerview = { module = "androidx.recyclerview:recyclerview", version.ref = "recyclerview" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }