Android Simple Spinner Example With Country Name

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <Spinner
        android:id="@+id/spinner1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:entries="@array/country_arrays"
        android:prompt="@string/country_prompt"
        android:spinnerMode="dialog" />

    <Spinner
        android:id="@+id/spinner2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/btnSubmit"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Submit" />

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="New Activity"
        android:id="@+id/next" />

</LinearLayout>

new_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent" android:layout_height="match_parent">

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <Spinner
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/spin"

            android:spinnerMode="dropdown"
            android:background="@android:color/holo_blue_bright" />

        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Select"
            android:id="@+id/select" />

        <Spinner
            android:id="@+id/spinner"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:entries="@array/country_arrays"
            android:prompt="@string/country_prompt"
            android:layout_gravity="center_horizontal"
            android:spinnerMode="dropdown" />
    </LinearLayout>
</ScrollView>

MainActivity.java

package in.kantapp.androidspinnerexample;


import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends Activity {

    private Spinner spinner1, spinner2;
    private Button btnSubmit, next;

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

        addItemsOnSpinner2();
        addListenerOnButton();
        addListenerOnSpinnerItemSelection();

        next = (Button) findViewById(R.id.next);
        next.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(getApplicationContext(), New.class));
            }
        });
    }

    // add items into spinner dynamically
    public void addItemsOnSpinner2() {

        spinner2 = (Spinner) findViewById(R.id.spinner2);
        List<String> list = new ArrayList<String>();
        list.add("list 1");
        list.add("list 2");
        list.add("list 3");
        ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, list);
        dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinner2.setAdapter(dataAdapter);
    }

    public void addListenerOnSpinnerItemSelection() {
        spinner1 = (Spinner) findViewById(R.id.spinner1);
        spinner1.setOnItemSelectedListener(new CustomOnItemSelectedListener());
    }

    // get the selected dropdown list value
    public void addListenerOnButton() {

        spinner1 = (Spinner) findViewById(R.id.spinner1);
        spinner2 = (Spinner) findViewById(R.id.spinner2);
        btnSubmit = (Button) findViewById(R.id.btnSubmit);

        btnSubmit.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {

                Toast.makeText(getApplicationContext(),
                        "OnClickListener : " +
                                "\nSpinner 1 : " + String.valueOf(spinner1.getSelectedItem()) +
                                "\nSpinner 2 : " + String.valueOf(spinner2.getSelectedItem()),
                        Toast.LENGTH_SHORT).show();
            }

        });
    }

}

New.java

package in.kantapp.androidspinnerexample;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by Kant on 3/6/2016.
 */
public class New extends Activity
{
    private Spinner spiner,spiner1;
    private Button b1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.new_activity);
        onSpinnerClick();

    }
    public  void onSpinnerClick()
    {
       spiner=(Spinner)findViewById(R.id.spin);
        List<String> list=new ArrayList<>();
        list.add("USA");
        list.add("UK");
        list.add("UAE");
        list.add("IND");
        list.add("JAP");
        list.add("CHINA");

        ArrayAdapter<String> data= new ArrayAdapter<String>(getApplicationContext(),android.R.layout.simple_spinner_item,list);
        spiner.setAdapter(data);

        b1=(Button)findViewById(R.id.select);
        b1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(getApplicationContext(), String.valueOf(spiner.getSelectedItem()), Toast.LENGTH_SHORT).show();
            }
        });

    }



}

CustomOnItemSelectedListener.java

package in.kantapp.androidspinnerexample;

/**
 * Created by Kant on 3/6/2016.
 */
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.Toast;

public class CustomOnItemSelectedListener implements OnItemSelectedListener {

    public void onItemSelected(AdapterView<?> parent, View view, int pos,long id)
    {
        Toast.makeText(parent.getContext(),
                "OnItemSelectedListener : " + parent.getItemAtPosition(pos).toString(),
                Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onNothingSelected(AdapterView<?> arg0) {
        // TODO Auto-generated method stub
    }

}

string.xml

<resources>
    <string name="app_name">Android Spinner Example</string>
    <string name="country_prompt">Choose a country</string>

    <string-array name="country_arrays">
        <item>Malaysia</item>
        <item>United States</item>
        <item>Indonesia</item>
        <item>France</item>
        <item>Italy</item>
        <item>Singapore</item>
        <item>New Zealand</item>
        <item>India</item>
    </string-array>

</resources>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="in.kantapp.androidspinnerexample">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".New"/>
    </application>

</manifest>