IMAGE SWITCHER Android Example

package com.example.vadivelanudayakumar.imageswitch;

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;


public class MainActivity extends ActionBarActivity {

    int[] images={R.drawable.vv,R.drawable.browser,R.drawable.facebook,R.drawable.gmail,R.drawable.ln,R.drawable.gmaill,R.drawable.twitter,R.drawable.you};
    int counter=0;
    ImageView img;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        img=(ImageView)findViewById(R.id.imageView);
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    public void next(View v){
 
    img.setImageResource(images[counter]);
        counter++;
        if(counter>=images.length)
            counter=0;
    }
}