public class MainActivity extends Activity {

    private EditText textNumberOfPage;
    private Button btnOK;
    private SnappingHorizontalScrollView scrollView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);

	textNumberOfPage = (EditText) findViewById(R.id.number);
	btnOK = (Button) findViewById(R.id.button);
	scrollView = (SnappingHorizontalScrollView) findViewById(R.id.scroll);

	btnOK.setOnClickListener(onClickListener());
	scrollView.setOnScreenSwitchListener(onScreenSwitchListener());

    }

    private OnClickListener onClickListener() {
	return new OnClickListener() {

	    @Override
	    public void onClick(View v) {
		inflateLayoutsToHorizontalView(scrollView);
	    }
	};
    }

    /**
     * on horizontal scrollview page changed
     */
    private OnScreenSwitchListener onScreenSwitchListener() {
	return new OnScreenSwitchListener() {

	    @Override
	    public void onScreenSwitched(int screen) {
		Toast.makeText(MainActivity.this, "Page Switched!",
			Toast.LENGTH_SHORT).show();
	    }
	};
    }

    /**
     * set custom typeface for textview
     *
     * @return typeface
     */
    private Typeface setFontText() {
	// Font path
	String fontPath = "fonts/Face Your Fears.ttf";

	// Loading Font Face
	Typeface tf = Typeface.createFromAsset(getAssets(), fontPath);

	return tf;
    }

    @SuppressLint("InflateParams")
    public void inflateLayoutsToHorizontalView(ViewGroup layout) {

	if (textNumberOfPage.getText().toString().equals("")) {
	    Toast.makeText(this, "Please enter number of pages",
		    Toast.LENGTH_SHORT).show();
	} else {

	    int pages = Integer.valueOf(textNumberOfPage.getText().toString());
	    LayoutInflater inflater = (LayoutInflater) getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
	    scrollView.removeAllViews(); // remove old views first

	    for (int i = 0; i < pages; i++) {
		// Inflate layout from xml
		View view = inflater.inflate(R.layout.item_layout, null, false);
		TextView textView = (TextView) view
			.findViewById(R.id.number_of_page);

		// set data to view
		view.setBackgroundColor(getResources().getColor(
			android.R.color.holo_green_dark));
		textView.setText("This is page " + (i + 1));
		textView.setTypeface(setFontText());
		scrollView.addView(view);
	    }
	}
    }
}