feat: added setting to show number row

app/src/main/kotlin/com/simplemobiletools/keyboard/activities/SettingsActivity.kt

@@ -44,6 +44,7 @@ class SettingsActivity : SimpleActivity() {
         setupKeyboardLanguage()
         setupKeyboardHeightMultiplier()
         setupShowClipboardContent()
+        setupShowNumbersRow()
 
         updateTextColors(settings_nested_scrollview)
 
@@ -159,4 +160,11 @@ class SettingsActivity : SimpleActivity() {
             config.showClipboardContent = settings_show_clipboard_content.isChecked
         }
     }
+    private fun setupShowNumbersRow() {
+        settings_show_numbers_row.isChecked = config.showNumbersRow
+        settings_show_numbers_row_holder.setOnClickListener {
+            settings_show_numbers_row.toggle()
+            config.showNumbersRow = settings_show_numbers_row.isChecked
+        }
+    }
 }

app/src/main/kotlin/com/simplemobiletools/keyboard/helpers/Config.kt

@@ -37,6 +37,9 @@ class Config(context: Context) : BaseConfig(context) {
         get() = prefs.getBoolean(SHOW_CLIPBOARD_CONTENT, true)
         set(showClipboardContent) = prefs.edit().putBoolean(SHOW_CLIPBOARD_CONTENT, showClipboardContent).apply()
 
+    var showNumbersRow: Boolean
+        get() = prefs.getBoolean(SHOW_NUMBERS_ROW, false)
+        set(showNumbersRow) = prefs.edit().putBoolean(SHOW_NUMBERS_ROW, showNumbersRow).apply()
 
     private fun getDefaultLanguage(): Int {
         val conf = context.resources.configuration

app/src/main/kotlin/com/simplemobiletools/keyboard/helpers/Constants.kt

@@ -15,6 +15,7 @@ const val LAST_EXPORTED_CLIPS_FOLDER = "last_exported_clips_folder"
 const val KEYBOARD_LANGUAGE = "keyboard_language"
 const val HEIGHT_MULTIPLIER = "height_multiplier"
 const val SHOW_CLIPBOARD_CONTENT = "show_clipboard_content"
+const val SHOW_NUMBERS_ROW = "show_numbers_row"
 
 // differentiate current and pinned clips at the keyboards' Clipboard section
 const val ITEM_SECTION_LABEL = 0

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

@@ -189,6 +189,20 @@
                     android:layout_height="wrap_content"
                     android:text="@string/show_clipboard_content" />
 
+            </RelativeLayout>
+            <RelativeLayout
+                android:id="@+id/settings_show_numbers_row_holder"
+                style="@style/SettingsHolderCheckboxStyle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <com.simplemobiletools.commons.views.MyAppCompatCheckbox
+                    android:id="@+id/settings_show_numbers_row"
+                    style="@style/SettingsCheckboxStyle"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="@string/show_numbers_row" />
+
             </RelativeLayout>
 
             <RelativeLayout