GALLERY(BAKA)

main.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

    <Gallery

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:id="@+id/grd"

       

       

    ></Gallery>

   

    <ImageView

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:id="@+id/im"

        android:layout_gravity="center_horizontal"

        android:src="@drawable/a1"

    />

</LinearLayout>

GalleryActivity.java

package com.ss.baka;

import android.app.Activity;

public class GalleryBakaActivity extends Activity {
    /** Called when the activity is first created. */
    Gallery grid;
    ImageView img;
   
    int arr[]={R.drawable.a1,R.drawable.a2,R.drawable.a3,R.drawable.a4,R.drawable.a5,
            R.drawable.a6,R.drawable.a7,R.drawable.a8,R.drawable.a9,R.drawable.a10,
            R.drawable.a11,R.drawable.a12,R.drawable.a13};
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       
        grid=(Gallery)findViewById(R.id.grd);
        img=(ImageView)findViewById(R.id.im);
        grid.setSpacing(2);
        grid.setAdapter(new GalleryAdapter(this));
       
        grid.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
                    long arg3) {
                // TODO Auto-generated method stub
                img.setImageResource(arr[arg2]);
            }
        });
    }
}
class GalleryAdapter extends BaseAdapter
{
    Context con;
    int arr1[]={R.drawable.a1,R.drawable.a2,R.drawable.a3,R.drawable.a4,R.drawable.a5,
            R.drawable.a6,R.drawable.a7,R.drawable.a8,R.drawable.a9,R.drawable.a10,
            R.drawable.a11,R.drawable.a12,R.drawable.a13};
    public GridAdapter(Context cont) {
        // TODO Auto-generated constructor stub
        con=cont;
    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return arr1.length;
    }

    @Override
    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return position;
    }

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub
        ImageView i=new ImageView(con);
        i.setImageResource(arr1[position]);
        i.setLayoutParams(new Gallery.LayoutParams(200,200));
        i.setScaleType(ImageView.ScaleType.FIT_XY);
        return i;
    }
   
}

ANDROID

1) Create “Hello World” application. 

           

  main.xml

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

 HelloWorldActivity.java

package com.ss.hello;

import android.app.Activity;
import android.os.Bundle;

public class HelloWorldActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
}