public class MyTabView extends RelativeLayout{
    public MyTabView(Context context) {
        super(context);

        ImageView imageView = new ImageView(context);
        imageView.setImageResource(R.drawable.icon);
        imageView.setId(1);

        //may also want to set a scaleType on the imageView

        LayoutParams params = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
        params.addRule(RelativeLayout.CENTER_HORIZONTAL);
        imageView.setLayoutParams(params);

        this.addView(imageView);

        TextView textView = new TextView(context);
        textView.setText("some text");
        params = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
        params.addRule(RelativeLayout.CENTER_HORIZONTAL);
        params.addRule(RelativeLayout.BELOW, 1);
        textView.setLayoutParams(params);
        this.addView(textView);
    }
}