How can I get an Android TableLayout to fill the screen?

Question

I\'m battling with Android\'s awful layout system. I\'m trying to get a table to fill the screen (simple right?) but it\'s ridiculously hard.

I got it to work someho

Answer 1

There are two mistakes in the above discussion.

1. It is possible to programatically set the weight by specifying TableLayout.LayoutParams and TableRow.LayoutParams and using the appropriate constructor, e.g.

   TableLayout.LayoutParams rowInTableLp = new TableLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT, 1.0f);
   

2. A widget must have the LayoutParams of its parent. Therefore, the rows must use TableLayout.LayoutParams.

This gives you the following working version of your initial code:

TableLayout table = new TableLayout(this);
// Java. You succeed!
FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(
        ViewGroup.LayoutParams.FILL_PARENT,
        ViewGroup.LayoutParams.FILL_PARENT);
table.setLayoutParams(lp);
table.setStretchAllColumns(true);

TableLayout.LayoutParams rowLp = new TableLayout.LayoutParams(
        ViewGroup.LayoutParams.FILL_PARENT,
        ViewGroup.LayoutParams.FILL_PARENT,
        1.0f);
TableRow.LayoutParams cellLp = new TableRow.LayoutParams(
        ViewGroup.LayoutParams.FILL_PARENT,
        ViewGroup.LayoutParams.FILL_PARENT,
        1.0f);
for (int r = 0; r < 2; ++r)
{
    TableRow row = new TableRow(this);
    for (int c = 0; c < 2; ++c)
    {
        Button btn = new Button(this);
        btn.setText("A");
        row.addView(btn, cellLp);
    }
    table.addView(row, rowLp);
}
setContentView(table);

Thanks to Romain Guy's comment on Android developer's forum for the solution.