android - Set rowSpan or colSpan of a child of a GridLayout programmatically?

Question

I have a GridLayout with 5 columns and 3 rows. Now I can insert arbitrary child views, which is great. Even better is, that I can assign columnSpan=2 to some item in order to span it to 2 columns (the same with rowSpan).

The problem now is, that I cannot assign rowSpan or columnSpan programmatically (i.e. at runtime). Some search suggested something like this:

layoutParams.columnSpec = GridLayout.spec(0, columnSpan);

But I don't quite understand what the parameters of spec mean (start and size). The documentation is also quite poor at this point.

Any help is highly appreciated!

Answer 1

    GridLayout gridLayout = (GridLayout)findViewById(R.id.tableGrid);

    gridLayout.removeAllViews();

    int total = 12;
    int column = 5;
    int row = total / column;
    gridLayout.setColumnCount(column);
    gridLayout.setRowCount(row + 1);
    for(int i =0, c = 0, r = 0; i < total; i++, c++)
    {
        if(c == column)
        {
            c = 0;
            r++;
        }
        ImageView oImageView = new ImageView(this);
        oImageView.setImageResource(R.drawable.ic_launcher);
        GridLayout.LayoutParams param =new GridLayout.LayoutParams();
        param.height = LayoutParams.WRAP_CONTENT;
        param.width = LayoutParams.WRAP_CONTENT;
        param.rightMargin = 5;
        param.topMargin = 5;
        param.setGravity(Gravity.CENTER);
        param.columnSpec = GridLayout.spec(c);
        param.rowSpec = GridLayout.spec(r);
        oImageView.setLayoutParams (param);
        gridLayout.addView(oImageView);
    }