implementing the autocompletetextview at attendee suggestions

app/build.gradle

@@ -57,7 +57,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.10.9'
+    implementation 'com.simplemobiletools:commons:5.10.10'
     implementation 'joda-time:joda-time:2.10.1'
     implementation 'androidx.multidex:multidex:2.0.1'
 

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt

@@ -13,12 +13,14 @@ import android.text.method.LinkMovementMethod
 import android.view.Menu
 import android.view.MenuItem
 import android.view.WindowManager
+import android.widget.EditText
 import android.widget.ImageView
 import android.widget.RelativeLayout
 import androidx.core.app.NotificationManagerCompat
 import com.google.gson.Gson
 import com.google.gson.reflect.TypeToken
 import com.simplemobiletools.calendar.pro.R
+import com.simplemobiletools.calendar.pro.adapters.AutoCompleteTextViewAdapter
 import com.simplemobiletools.calendar.pro.dialogs.*
 import com.simplemobiletools.calendar.pro.extensions.*
 import com.simplemobiletools.calendar.pro.helpers.*
@@ -29,7 +31,6 @@ import com.simplemobiletools.commons.dialogs.RadioGroupDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.commons.models.RadioItem
-import com.simplemobiletools.commons.views.MyEditText
 import kotlinx.android.synthetic.main.activity_event.*
 import kotlinx.android.synthetic.main.activity_event.view.*
 import kotlinx.android.synthetic.main.item_attendee.view.*
@@ -72,7 +73,7 @@ class EventActivity : SimpleActivity() {
     private var mWasActivityInitialized = false
     private var mWasContactsPermissionChecked = false
     private var mAttendees = ArrayList<Attendee>()
-    private var mAttendeeViews = ArrayList<MyEditText>()
+    private var mAttendeeViews = ArrayList<EditText>()
     private var mAvailableContacts = ArrayList<Attendee>()
 
     private lateinit var mEventStartDateTime: DateTime
@@ -1166,6 +1167,9 @@ class EventActivity : SimpleActivity() {
         if (value != null) {
             attendeeHolder.event_attendee.setText(value)
         }
+
+        val adapter = AutoCompleteTextViewAdapter(this, mAvailableContacts)
+        attendeeHolder.event_attendee.setAdapter(adapter)
     }
 
     private fun checkNewAttendeeField(value: String?) {

app/src/main/kotlin/com/simplemobiletools/calendar/pro/adapters/AutoCompleteTextViewAdapter.kt

@@ -0,0 +1,58 @@
+package com.simplemobiletools.calendar.pro.adapters
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.Filter
+import com.simplemobiletools.calendar.pro.R
+import com.simplemobiletools.calendar.pro.activities.SimpleActivity
+import com.simplemobiletools.calendar.pro.models.Attendee
+import kotlinx.android.synthetic.main.item_autocomplete.view.*
+
+class AutoCompleteTextViewAdapter(val activity: SimpleActivity, val contacts: ArrayList<Attendee>) : ArrayAdapter<Attendee>(activity, 0, contacts) {
+    private var resultList = ArrayList<Attendee>()
+
+    override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
+        var listItem = convertView
+        if (listItem == null) {
+            listItem = LayoutInflater.from(activity).inflate(R.layout.item_autocomplete, parent, false)
+        }
+
+        val contact = resultList[position]
+        listItem!!.item_autocomplete.text = contact.email
+
+        return listItem
+    }
+
+    override fun getFilter() = object : Filter() {
+        override fun performFiltering(constraint: CharSequence?): FilterResults {
+            val filterResults = Filter.FilterResults()
+            if (constraint != null) {
+                resultList.clear()
+                contacts.forEach {
+                    if (it.email.contains(constraint, true)) {
+                        resultList.add(it)
+                    }
+                }
+                filterResults.values = resultList
+                filterResults.count = resultList.size
+            }
+            return filterResults
+        }
+
+        override fun publishResults(constraint: CharSequence?, results: FilterResults?) {
+            if (results?.count ?: -1 > 0) {
+                notifyDataSetChanged()
+            } else {
+                notifyDataSetInvalidated()
+            }
+        }
+
+        override fun convertResultToString(resultValue: Any?) = (resultValue as? Attendee)?.email
+    }
+
+    override fun getItem(index: Int) = resultList[index]
+
+    override fun getCount() = resultList.size
+}

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

@@ -7,12 +7,13 @@
     android:paddingTop="@dimen/medium_margin"
     android:paddingBottom="@dimen/medium_margin">
 
-    <com.simplemobiletools.commons.views.MyEditText
+    <com.simplemobiletools.commons.views.MyAutoCompleteTextView
         android:id="@+id/event_attendee"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_centerVertical="true"
         android:layout_marginEnd="@dimen/activity_margin"
+        android:completionThreshold="2"
         android:hint="@string/add_another_attendee"
         android:lines="1"
         android:maxLines="1"

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

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/item_autocomplete_holder"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingTop="@dimen/medium_margin"
+    android:paddingBottom="@dimen/medium_margin">
+
+    <TextView
+        android:id="@+id/item_autocomplete"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_marginEnd="@dimen/activity_margin"
+        android:lines="1"
+        android:maxLines="1"
+        android:padding="@dimen/medium_margin"
+        android:singleLine="true"
+        android:textSize="@dimen/bigger_text_size"/>
+
+</RelativeLayout>