Full Example of MultiSelectedSpinner

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="10dp"
    tools:context="posoft.shariful.multispinner.MainActivity">

    <shariful.MultiSelectedSpinner
        android:id="@+id/multi_selected_spinner"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>

    <TextView
        android:id="@+id/showResult"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="19sp"
        android:text="Selected items will show here."
        android:layout_marginTop="50dp"/>

</LinearLayout>

MainActivity.java

package posoft.shariful.multispinner;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

import java.util.ArrayList;

import shariful.MultiSelectedSpinner;


public class MainActivity extends AppCompatActivity {

    TextView showResult;
    MultiSelectedSpinner mss;

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

        mss = (MultiSelectedSpinner) findViewById(R.id.multi_selected_spinner);
        ArrayList<String> list = new ArrayList<String>();
        list.add("one");
        list.add("two");
        list.add("three");
        list.add("four");
        list.add("five");
        list.add("six");
        list.add("seven");
        list.add("eight");
        list.add("nine");
        list.add("ten");
        mss.setItems(list, "Select Items", "ok");

        showResult = (TextView) findViewById(R.id.showResult);

        mss.getSelectedItems(new MultiSelectedSpinner.getItemsList(){
            @Override
            public void itemsList(ArrayList<String> selected_items){
                StringBuffer all_items = new StringBuffer();
                for (String item : selected_items){
                    all_items.append(item+", ");
                }
                showResult.setText("Auto Complete >>> "+ all_items.toString());
            }
        });

        showResult.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                ArrayList<String> result = mss.getSelectedItems();
                StringBuffer all_items = new StringBuffer();
                for (String item : result){
                    all_items.append(item+", ");
                }
                showResult.setText("Onclick >>> "+all_items.toString());
            }
        });
    }
}