add autocomplete for location

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

@@ -18,6 +18,7 @@ import android.text.method.LinkMovementMethod
 import android.view.View
 import android.view.WindowManager
 import android.view.inputmethod.EditorInfo
+import android.widget.ArrayAdapter
 import android.widget.ImageView
 import android.widget.RelativeLayout
 import androidx.core.graphics.drawable.toDrawable
@@ -229,15 +230,22 @@ class EventActivity : SimpleActivity() {
 
         val eventId = intent.getLongExtra(EVENT_ID, 0L)
         ensureBackgroundThread {
-            mStoredCalendars =
-                calendarsDB.getCalendars().toMutableList() as ArrayList<CalendarEntity>
+            val locations = eventsDB.getAllLocations()
+
+            runOnUiThread {
+                val adapter = ArrayAdapter(this, R.layout.item_dropdown, locations)
+                binding.eventLocation.setAdapter(adapter)
+            }
+
             val event = eventsDB.getEventWithId(eventId)
             if (eventId != 0L && event == null) {
                 hideKeyboard()
                 finish()
                 return@ensureBackgroundThread
             }
 
+            mStoredCalendars =
+                calendarsDB.getCalendars().toMutableList() as ArrayList<CalendarEntity>
             val localCalendar =
                 mStoredCalendars.firstOrNull { it.id == config.lastUsedLocalCalendarId }
             runOnUiThread {

app/src/main/kotlin/org/fossify/calendar/interfaces/EventsDao.kt

@@ -19,6 +19,9 @@ interface EventsDao {
     @Query("SELECT * FROM events WHERE type = $TYPE_TASK")
     fun getAllTasks(): List<Event>
 
+    @Query("SELECT DISTINCT location FROM events ORDER BY location COLLATE NOCASE")
+    fun getAllLocations(): List<String>
+
     @Query("SELECT * FROM events WHERE event_type IN (:calendarIds) AND type = $TYPE_EVENT")
     fun getAllEventsWithCalendarIds(calendarIds: List<Long>): List<Event>
 

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

@@ -50,7 +50,7 @@
                 android:textCursorDrawable="@null"
                 android:textSize="@dimen/day_text_size" />
 
-            <org.fossify.commons.views.MyEditText
+            <org.fossify.commons.views.MyAutoCompleteTextView
                 android:id="@+id/event_location"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"

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" />