@Override
    public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.algal);




        mSwitcher = (ImageSwitcher) findViewById(R.id.switcher);
        mSwitcher.setFactory(this);
        mSwitcher.setInAnimation(AnimationUtils.loadAnimation(this,
                android.R.anim.fade_in));
        mSwitcher.setOutAnimation(AnimationUtils.loadAnimation(this,
                android.R.anim.fade_out));

        @SuppressWarnings("deprecation")
        Gallery g = (Gallery) findViewById(R.id.gallery);
        g.setAdapter(new ImageAdapter(this));
        g.setOnItemSelectedListener(this);
    }

    public void onItemSelected(AdapterView<?> parent, View v, int position, long id) {
        mSwitcher.setImageResource(mImageIds[position]);
    }

    public void onNothingSelected(AdapterView<?> parent) {
    }


    @SuppressWarnings("deprecation")
    public View makeView() {
        ImageView i = new ImageView(this);
        i.setBackgroundResource(R.drawable.back);
        i.setScaleType(ImageView.ScaleType.FIT_CENTER);
        i.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.MATCH_PARENT,
                LayoutParams.MATCH_PARENT));
        return i;
    }

    private ImageSwitcher mSwitcher;

    public class ImageAdapter extends BaseAdapter {
        public ImageAdapter(Context c) {
            mContext = c;
        }

        public int getCount() {
            return mThumbIds.length;
        }

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

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

        @SuppressWarnings("deprecation")
        public View getView(int position, View convertView, ViewGroup parent) {
            ImageView i = new ImageView(mContext);

            i.setImageResource(mThumbIds[position]);
            i.setAdjustViewBounds(true);
            i.setLayoutParams(new Gallery.LayoutParams(
                    LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));

            return i;
        }

        private Context mContext;

    }

    private Integer[] mThumbIds = {

                R.drawable.a, R.drawable.bb, R.drawable.cc, R.drawable.dd, R.drawable.ee, R.drawable.ff, R.drawable.gg, R.drawable.hh, R.drawable.ii, R.drawable.jj,
                R.drawable.kk, R.drawable.ll, R.drawable.mm, R.drawable.nn, R.drawable.oo, R.drawable.pp, R.drawable.qq, R.drawable.rr, R.drawable.ss, R.drawable.tt,
                R.drawable.uu, R.drawable.vv, R.drawable.xx, R.drawable.yy, R.drawable.zz};

    private Integer[] mImageIds = {
            R.drawable.a, R.drawable.bb, R.drawable.cc, R.drawable.dd, R.drawable.ee, R.drawable.ff, R.drawable.gg, R.drawable.hh, R.drawable.ii, R.drawable.jj,
            R.drawable.kk, R.drawable.ll, R.drawable.mm, R.drawable.nn, R.drawable.oo, R.drawable.pp, R.drawable.qq, R.drawable.rr, R.drawable.ss, R.drawable.tt,
            R.drawable.uu, R.drawable.vv, R.drawable.xx, R.drawable.yy, R.drawable.zz};