TableLayout t1 = (TableLayout) findViewById(R.id.TABLE_NAME);
TableRow tr = new TableRow(this);
TableRow.LayoutParams rowParams = new
TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, TableRow.LayoutParams.WRAP_CONTENT);
tr.setLayoutParams(rowParams);

CheckBox ch1 = new CheckBox(this);
ch1.setLayoutParams(new TableRow.LayoutParams(0));
tr.addView(ch1);

t1.addView(tr, new TableLayout.LayoutParams(TableLayout.LayoutParams.MATCH_PARENT, TableLayout.LayoutParams.WRAP_CONTENT));