Расположение элементов в Layout из java Android

 //RelativeLayout - mainLayout
        RelativeLayout mainLayout = (RelativeLayout) findViewById(R.id.shopLayout);
        //RelativeGroup
        RelativeLayout groupOfItems = new RelativeLayout(ShopActivity.this);
        //Param for group
        RelativeLayout.LayoutParams groupParam = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        groupParam.addRule(RelativeLayout.BELOW);
        //Element of all construction
        LinearLayout shopLinear = new LinearLayout(ShopActivity.this);
        //Item for redacting
        EditText note = new EditText(ShopActivity.this);
        EditText price = new EditText(ShopActivity.this);
        //Params for note
        LinearLayout.LayoutParams noteParam = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        noteParam.weight=3;
        //Param for price
        LinearLayout.LayoutParams priceParam = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        priceParam.weight = 1;
        //Param for shopLinear
        LinearLayout.LayoutParams shopLayParam = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
        //Configuration
        //Conf shopLinear
        shopLinear.setOrientation(LinearLayout.HORIZONTAL);
        shopLinear.setLayoutParams(shopLayParam);
        //Conf note
        note.setLayoutParams(noteParam);
        //Conf price
        price.setLayoutParams(priceParam);
        //Adding
        //Add to shopLinear
        shopLinear.addView(note);
        shopLinear.addView(price);
        //
        groupOfItems.setLayoutParams(groupParam);
        groupOfItems.addView(shopLinear);
        //Add to main
        mainLayout.addView(groupOfItems);