Check on weight and red color on weight loss, fixed layout on small screen or screens with high font size

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

@@ -5,6 +5,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.TextView
+import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.RecyclerView
 import it.danieleverducci.lunatracker.entities.LunaEvent
 import it.danieleverducci.lunatracker.R
@@ -16,18 +17,26 @@ class LunaEventRecyclerAdapter: RecyclerView.Adapter<LunaEventRecyclerAdapter.Lu
     val items = ArrayList<LunaEvent>()
     val numericUtils: NumericUtils
     var onItemClickListener: OnItemClickListener? = null
+    val layoutRes: Int
 
     constructor(context: Context) {
         this.context = context
         this.numericUtils = NumericUtils(context)
+
+        val fontScale = context.resources.configuration.fontScale
+        val screenSize = context.resources.configuration.screenWidthDp
+        this.layoutRes =
+            if(fontScale > 1.2 || screenSize < 320 || (fontScale > 1 && screenSize < 400))
+                R.layout.row_luna_event_vertical
+            else
+                R.layout.row_luna_event
     }
 
     override fun onCreateViewHolder(
         parent: ViewGroup,
         viewType: Int
     ): LunaEventVH {
-
-        val view = LayoutInflater.from(context).inflate(R.layout.row_luna_event, parent, false)
+        val view = LayoutInflater.from(context).inflate(layoutRes, parent, false)
         return LunaEventVH(view)
     }
 
@@ -40,6 +49,7 @@ class LunaEventRecyclerAdapter: RecyclerView.Adapter<LunaEventRecyclerAdapter.Lu
         holder.root.setBackgroundResource(
             if (position % 2 == 0) R.color.list_background_even else R.color.list_background_odd
         )
+        holder.quantity.setTextColor(ContextCompat.getColor(context, R.color.textColor))
         // Contents
         holder.type.text = item.getTypeEmoji(context)
         holder.description.text = when(item.type) {
@@ -49,7 +59,23 @@ class LunaEventRecyclerAdapter: RecyclerView.Adapter<LunaEventRecyclerAdapter.Lu
             else -> item.getTypeDescription(context)
         }
         holder.time.text = DateUtils.formatTimeAgo(context, item.time)
-        holder.quantity.text = numericUtils.formatEventQuantity(item)
+        var quantityText = numericUtils.formatEventQuantity(item)
+
+        // if the event is weight, show difference with the last one
+        if (item.type == LunaEvent.TYPE_WEIGHT) {
+            val lastWeight = getPreviousWeightEvent(position)
+            if (lastWeight != null) {
+                val differenceInWeight = item.quantity - lastWeight.quantity
+                val sign = if (differenceInWeight > 0) "+" else ""
+                quantityText += "\n($sign$differenceInWeight)"
+                if (differenceInWeight < 0) {
+                    holder.quantity.setTextColor(ContextCompat.getColor(context, R.color.danger))
+                }
+            }
+        }
+
+        holder.quantity.text = quantityText
+
         // Listeners
         if (onItemClickListener != null) {
             holder.root.setOnClickListener({
@@ -62,6 +88,18 @@ class LunaEventRecyclerAdapter: RecyclerView.Adapter<LunaEventRecyclerAdapter.Lu
         return items.size
     }
 
+    private fun getPreviousWeightEvent(startFromPosition: Int): LunaEvent? {
+        if (startFromPosition == items.size - 1)
+            return null
+        for (pos in startFromPosition + 1 until items.size) {
+            val item = items.get(pos)
+            if (item.type != LunaEvent.TYPE_WEIGHT)
+                continue
+            return item
+        }
+        return null
+    }
+
     class LunaEventVH: RecyclerView.ViewHolder {
         val root: View
         val type: TextView

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

@@ -6,7 +6,6 @@
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
         android:orientation="vertical"
         android:paddingTop="30dp"
         android:paddingLeft="15dp"
@@ -16,7 +15,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="@string/title"
-            android:textSize="30sp"
+            android:textSize="30dp"
             android:gravity="center_horizontal"/>
 
         <TextView
@@ -152,7 +151,7 @@
         <TextView
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:text="Diario di bordo"
+            android:text="@string/logbook"
             android:textColor="@color/accent"
             android:textStyle="bold"/>
 

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

@@ -24,6 +24,7 @@
         android:layout_weight="2"
         android:ellipsize="end"
         android:maxLines="2"
+        android:textColor="@color/accent"
         android:text="Description"/>
 
     <TextView
@@ -34,8 +35,6 @@
         android:layout_marginLeft="5dp"
         android:layout_marginRight="5dp"
         android:gravity="center_horizontal"
-        android:lines="1"
-        android:maxLines="1"
         android:text="Qty"/>
 
     <TextView
@@ -49,4 +48,4 @@
         android:maxLines="2"
         android:text="Time"/>
 
-</LinearLayout>
+</LinearLayout>

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

@@ -0,0 +1,59 @@
+<?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:paddingTop="10dp"
+    android:paddingBottom="10dp"
+    android:gravity="center_vertical">
+
+    <TextView
+        android:id="@+id/type"
+        android:layout_width="90dp"
+        android:layout_height="wrap_content"
+        android:textSize="28sp"
+        android:lines="1"
+        android:maxLines="1"
+        android:text="@string/event_diaperchange_pee_type"/>
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/description"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="2"
+            android:ellipsize="end"
+            android:maxLines="2"
+            android:gravity="center_horizontal"
+            android:textColor="@color/accent"
+            android:text="Description"/>
+
+        <TextView
+            android:id="@+id/quantity"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:layout_marginLeft="5dp"
+            android:layout_marginRight="5dp"
+            android:gravity="center_horizontal"
+            android:text="Qty"/>
+
+        <TextView
+            android:id="@+id/time"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="2"
+            android:gravity="center_horizontal"
+            android:textStyle="bold"
+            android:ellipsize="end"
+            android:maxLines="2"
+            android:text="Time"/>
+
+    </LinearLayout>
+
+</LinearLayout>

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

@@ -8,4 +8,6 @@
     <color name="grey">#ccc</color>
     <color name="list_background_odd">#423B25</color>
     <color name="list_background_even">@color/transparent</color>
+    <color name="danger">#f00</color>
+    <color name="textColor">@color/grey</color>
 </resources>

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

@@ -3,6 +3,7 @@
 
     <style name="Theme.LunaTracker" parent="Theme.AppCompat.NoActionBar">
         <item name="colorAccent">@color/accent</item>
+        <item name="android:textColor">@color/textColor</item>
     </style>
 
     <style name="OverflowMenuText">