show number of widgets for widget panel

app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/ManageWidgetPanelsActivity.kt

@@ -18,13 +18,16 @@ import de.jrpie.android.launcher.widgets.updateWidgetPanel
 
 class ManageWidgetPanelsActivity : AppCompatActivity(), UIObject {
 
+    @SuppressLint("NotifyDataSetChanged")
     private val sharedPreferencesListener =
         SharedPreferences.OnSharedPreferenceChangeListener { _, prefKey ->
-            if (prefKey == LauncherPreferences.widgets().keys().customPanels()) {
+            if (
+                prefKey == LauncherPreferences.widgets().keys().customPanels()
+                || prefKey == LauncherPreferences.widgets().keys().widgets()
+            ) {
                 viewAdapter.widgetPanels =
                     (LauncherPreferences.widgets().customPanels() ?: setOf()).toTypedArray()
 
-                @SuppressLint("NotifyDataSetChanged")
                 viewAdapter.notifyDataSetChanged()
             }
         }
@@ -76,7 +79,6 @@ class ManageWidgetPanelsActivity : AppCompatActivity(), UIObject {
                         )
                     )
             }
-            true
         }
     }
 

app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/WidgetPanelsRecyclerAdapter.kt

@@ -26,10 +26,16 @@ class WidgetPanelsRecyclerAdapter(
 
     class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
         var labelView: TextView = itemView.findViewById(R.id.list_widget_panels_label)
+        var infoView: TextView = itemView.findViewById(R.id.list_widget_panels_info)
     }
 
     override fun onBindViewHolder(viewHolder: ViewHolder, i: Int) {
         viewHolder.labelView.text = widgetPanels[i].label
+        val numWidgets = widgetPanels[i].getWidgets().size
+        viewHolder.infoView.text = context.resources.getQuantityString(
+            R.plurals.widget_panel_number_of_widgets,
+            numWidgets, numWidgets
+        )
 
         viewHolder.itemView.setOnClickListener {
             onSelectWidgetPanel(widgetPanels[i])

app/src/main/java/de/jrpie/android/launcher/widgets/WidgetPanel.kt

@@ -32,6 +32,12 @@ class WidgetPanel(val id: Int, var label: String) {
             .filter { it.panelId == this.id }.forEach { it.delete(context) }
     }
 
+    fun getWidgets(): List<Widget> {
+        return LauncherPreferences.widgets().widgets().filter {
+            it.panelId == this.id
+        }
+    }
+
 
     companion object {
         val HOME = WidgetPanel(0, "home")

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

@@ -1,6 +1,7 @@
 <?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:id="@+id/list_widget_panels_row_container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -14,10 +15,23 @@
         android:layout_marginEnd="5dp"
         android:gravity="start"
         android:text=""
-        android:textSize="20sp"
+        tools:text="Panel #1"
-        app:layout_constraintBottom_toBottomOf="parent"
+        android:textSize="18sp"
-        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
+    <TextView
+        android:id="@+id/list_widget_panels_info"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="60sp"
+        android:layout_marginEnd="5dp"
+        android:gravity="start"
+        android:text=""
+        tools:text="Contains 5 widgets"
+        android:textSize="11sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/list_widget_panels_label" />
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -406,8 +406,8 @@
 
     <string name="widget_panel_default_name">Widget Panel #%1$d</string>
     <plurals name="widget_panel_number_of_widgets">
-        <item quantity="one">Contains %d widget.</item>
+        <item quantity="one">Contains %1$d widget.</item>
-        <item quantity="other">Contains %d widgets.</item>
+        <item quantity="other">Contains %1$d widgets.</item>
     </plurals>