Exercise : 11
Understanding of UI :

a. Create an UI such that , one screen have list of all the types of cars.

b. On selecting of any car name, next screen should show Car details like : name , launched date ,company name, images(using gallery) if available, show different colors in which it is available.
Screen Shot:

XML :
main.xml :

main1.xml :

JAVA :
ElevenActivity.java :

package kmn.Eleven;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;

public class ElevenActivity extends Activity implements OnItemClickListener
{
    /** @author Y@@D */
    ListView lv;
	@Override
    public void onCreate(Bundle savedInstanceState) 
	{
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        lv=(ListView) findViewById(R.id.lv);
        lv.setClickable(true);
        lv.setOnItemClickListener(this);
    }

	public void onItemClick(AdapterView arg0, View arg1, int arg2, long arg3) 
	{	
		try
		{
			Integer itn=Integer.valueOf(arg2);
			String ext=itn.toString();
			Intent i = new Intent(this,CarInfo.class);
			i.putExtra("CarPos", ext);
			startActivity(i);
		}
		catch(Exception e)
		{
			Toast.makeText(this, e.getMessage()+"    OnItemClick", Toast.LENGTH_LONG).show();
		}
	}
}

CarInfo.java :

package kmn.Eleven;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.ImageView;
import android.widget.TextView;

public class CarInfo extends Activity 
{
	/** @author Y@@D */
	TextView tv;
	private Gallery gallery;
	@Override 
	public void onCreate(Bundle savedInstanceState) 
	 {
	        super.onCreate(savedInstanceState);
	        setContentView(R.layout.main1);
	       
	        tv=(TextView) findViewById(R.id.tv);
	        Intent i=this.getIntent();
	        String str =i.getStringExtra("CarPos");	        
	        gallery = (Gallery) findViewById(R.id.examplegallery);
	        gallery.setAdapter(new AddImgAdp(this,str));
	        if(str.equals("0"))
	        {
	        	tv.setText("Name:Maruti Suzuki 800"+"\n"+"Launched Date:1/3/1987"+"\n"+"Company Name:Maruti Suzuki"+"\nColors Available:\nWhite\nBlue\nRed\nLight Yellow");
	        }
	        else if(str.equals("1"))
	        {
	        	tv.setText("Name:Hyundai Accent Executive"+"\n"+"Launched Date:15/10/2010"+"\n"+"Company Name:Hyundai"+"\nColors Available:\nGray\nOcean Blue\nMidnight Black\nMaganta Blue");
	        }
	        else if(str.equals("2"))
	        {
	        	tv.setText("Name:Chevrolet Beat"+"\n"+"Launched Date:11/11/2011"+"\n"+"Company Name:Chevrolet"+"\nColors Available:\nMidnight Black\nAmazon Green\nRoyal Gold\nSport Red");
	        }
	        else
	        {	        	
	        	tv.setText("No car available");
	        }	        
	 }
}
class AddImgAdp extends BaseAdapter
{
	int GalItemBg;
	private Context cont;
	String positionLast;
	private Integer[] Imgidb = {R.drawable.b1, R.drawable.b2, R.drawable.b3, R.drawable.b4};
	private Integer[] Imgidh = {R.drawable.h1, R.drawable.h2, R.drawable.h3, R.drawable.h4};
	private Integer[] Imgidm = {R.drawable.m1, R.drawable.m2, R.drawable.m3, R.drawable.m4};

	public AddImgAdp(Context c,String pos) 
	{
	cont = c;	
	positionLast=pos;
	TypedArray typArray = c.obtainStyledAttributes(R.styleable.GalleryTheme);
	GalItemBg = typArray.getResourceId(R.styleable.GalleryTheme_android_galleryItemBackground, 0);
	
	typArray.recycle();
	}

	public int getCount()
	{
	if(positionLast.equals("0"))
	{
		return Imgidm.length;
	}
	else if(positionLast.equals("1"))
	{
		return Imgidh.length;
	}
	else if(positionLast.equals("2"))
	{
		return Imgidb.length;
	}
	else
	{
		return Imgidm.length;
	}
	}

	public Object getItem(int position) {
	return position;
	}

	public long getItemId(int position) {
	return position;
	}

	public View getView(int position, View convertView, ViewGroup parent)
	{
	ImageView imgView = new ImageView(cont);
	if(positionLast.equals("0"))
	{
		imgView.setImageResource(Imgidm[position]);	
	}
	else if(positionLast.equals("1"))
	{
		imgView.setImageResource(Imgidh[position]);
	}
	else if(positionLast.equals("2"))
	{
		imgView.setImageResource(Imgidb[position]);
	}
	else
	{
		imgView.setImageResource(Imgidm[position]);
	}	
	// Fixing width & height for image to display
	imgView.setLayoutParams(new Gallery.LayoutParams(200, 200));
	imgView.setScaleType(ImageView.ScaleType.FIT_XY);
	imgView.setBackgroundResource(GalItemBg);
	return imgView;
	}
}