CODE EXAMPLE FOR JAVA

android autocompletetextview hashmap

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center"
    android:padding="5dp">

    <AutoCompleteTextView
        android:id="@+id/autoComplete"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>

</LinearLayout>