fix dropdown color for light mode

Author: gkuznik

app/src/main/kotlin/org/fossify/calendar/activities/EventActivity.kt

@@ -270,11 +270,7 @@ class EventActivity : SimpleActivity() {
             }
 
             runOnUiThread {
-                val adapter = ArrayAdapter(
-                    this,
-                    android.R.layout.simple_dropdown_item_1line,
-                    eventTitleMap.keys.toList()
-                )
+                val adapter = ArrayAdapter(this, R.layout.item_dropdown, eventTitleMap.keys.toList())
                 binding.eventTitle.setAdapter(adapter)
             }
 

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

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2006 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<!-- Copied from simple_list_item_1.xml, textColor is needed in light mode-->
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@android:id/text1"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:textAppearance="?android:attr/textAppearanceListItemSmall"
+    android:gravity="center_vertical"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+    android:minHeight="?android:attr/listPreferredItemHeightSmall"
+    android:textColor="?android:attr/textColorAlertDialogListItem" />