how to implement Spinner in android

Android spinner like that drop down Option menu and user select only single item at a time. the android spinner view classs is sub class of AsbSpinner class.

In this tutorial explain Spinner two ways

• Android spinner with String Array get from  <string-array name="beginnner">

<string-array name="beginnner">
        <item>Red</item>
        <item>Black</item>
        <item>Yellow</item>
        <item>Green</item>
        <item>White</item>
     
    </string-array>

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

    <TextView
        android:id="@+id/text"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="10dp"
        android:gravity="center"
        android:text="Android Beginner tutorials"
        android:textSize="20dp" />

    <Spinner
        android:id="@+id/spinner1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:entries="@array/beginnner" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="40dp"
        android:text="set your color Name" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Large Text"
        android:textAppearance="?android:attr/textAppearanceLarge" />

</LinearLayout>




MainActivity.java
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package com.androidbeginnerpoint.testapplication;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

@SuppressLint("NewApi")
public class MainActivity extends Activity {
TextView text;
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getActionBar().setTitle("Horizontal Listview");
setContentView(R.layout.activity_main);
text=(TextView)findViewById(R.id.textView1);
final Spinner spin=(Spinner)findViewById(R.id.spinner1);
spin.setOnItemSelectedListener(new OnItemSelectedListener() {

@Override
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
// TODO Auto-generated method stub
                int str=spin.getSelectedItemPosition();
String str2=spin.getSelectedItem().toString();
Toast.makeText(getApplication(), String.valueOf(str)+"\n"+str2, Toast.LENGTH_LONG).show();
text.setText(str2);
}

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

}
});

}
}

• Android spinner Associated with AdapterView

MainActivity.java

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package com.androidbeginnerpoint.testapplication;

import android.annotation.SuppressLint;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.AdapterView.OnItemSelectedListener;

import android.widget.ArrayAdapter;

import android.widget.Spinner;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity implements  

AdapterView.OnItemSelectedListener {  

TextView text;

Spinner spin;

    String[] country = { "RED", "BLACK", "YELLOW", "WHITE", "BLUE","PINK","GREEN" };  

  

    @Override  

    protected void onCreate(Bundle savedInstanceState) {  

        super.onCreate(savedInstanceState);  

        setContentView(R.layout.activity_main);  

          

        text=(TextView)findViewById(R.id.textView1);

   spin=(Spinner)findViewById(R.id.spinner1); 

        spin.setOnItemSelectedListener(this);  

          

        //Creating the ArrayAdapter instance having the country list  

        ArrayAdapter aa = new ArrayAdapter(this,android.R.layout.simple_spinner_item,country);  

        aa.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);  

        //Setting the ArrayAdapter data on the Spinner  

        spin.setAdapter(aa);  

    }  

  

      

    //Performing action onItemSelected and onNothing selected  

    @Override  

    public void onItemSelected(AdapterView<?> arg0, View arg1, int position,long id) { 

     int str=spin.getSelectedItemPosition();

String str2=spin.getSelectedItem().toString();

Toast.makeText(getApplication(), String.valueOf(str)+"\n"+str2, Toast.LENGTH_LONG).show();

text.setText(str2);

         

    }  

  

    @Override  

    public void onNothingSelected(AdapterView<?> arg0) {  

        // TODO Auto-generated method stub  

          

    }  

  

    

}