MultiAutoCompleteTextView example in android studio

Do the following in sequence:-

Step 1:- activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:layout_margin="10dp"

    android:gravity="center_vertical">

   <TextView

       android:layout_width="match_parent"

       android:layout_height="wrap_content"

       android:text="Select City:-"

       android:textSize="30sp"

       android:textColor="@android:color/black"/>

   <MultiAutoCompleteTextView

       android:layout_width="match_parent"

       android:layout_height="wrap_content"

       android:id="@+id/multilist"

       android:layout_marginTop="16dp"

       android:singleLine="true"/>

   <Button

       android:layout_width="match_parent"

       android:layout_height="wrap_content"

       android:text="Submit"

       android:layout_marginTop="30dp"

       android:onClick="submit"/>

</LinearLayout>

Step 2:- MainActivity.java

package supriya.com.multiautocompletetextview;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.MultiAutoCompleteTextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    MultiAutoCompleteTextView completeTextView;
    String[] list={"Hyderabad","Delhi","Goa","Patna","Telangana","Jaipur"};


    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        completeTextView=(MultiAutoCompleteTextView)findViewById(R.id.multilist);
        completeTextView.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());
        ArrayAdapter<String> adp=new ArrayAdapter<String>(getApplicationContext(),R.layout.multitextview_design,list);
        completeTextView.setThreshold(1);
        completeTextView.setAdapter(adp);
       completeTextView.setDuplicateParentStateEnabled(false);

    }
    public void submit(View v){
        completeTextView.setText("");
        Toast.makeText(getApplicationContext(),"Submitted",Toast.LENGTH_LONG).show();
    }
}

Step 2:- multitextview_design.xml

<?xml version="1.0" encoding="utf-8"?>

<TextView xmlns:android="http://schemas.android.com/apk/res/android"

    android:id="@android:id/text1"

    style="?attr/spinnerDropDownItemStyle"

    android:singleLine="true"

    android:layout_width="match_parent"

    android:layout_height="?attr/dropdownListPreferredItemHeight"

    android:ellipsize="marquee"

    android:textColor="#000000"

    android:text=""

    android:layout_margin="5dp"/>

Step 3:-Output