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Dynamically added table rows not appearing

I have seen many posts regarding dynamically adding table rows, but I am not sure what I'm missing.

When I execute the following, nothing is displayed (aside from application title bar).

My Layout:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
        android:id="@+id/table_view_test_main"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        xmlns:android="http://schemas.android.com/apk/res/android"
        >
    <ScrollView
            android:id="@+id/tvt_scroll"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_alignParentTop="true"
            android:layout_alignParentLeft="true"
            >
        <RelativeLayout
                android:id="@+id/tvt_scroll_relative"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent">
            <TableLayout
                    android:id="@+id/tvt_tableview"
                    android:layout_width="fill_parent"
                    android:layout_height="wrap_content"
                    >
            </TableLayout>
        </RelativeLayout>
    </ScrollView>
</RelativeLayout>

My Activity:

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.table_view);

    TableLayout tableLayout = (TableLayout) findViewById(R.id.tvt_tableview);

    TableRow tableRow = new TableRow(this);
    tableRow.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.FILL_PARENT, TableRow.LayoutParams.WRAP_CONTENT));

    TextView column1 = new TextView(this);
    column1.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    column1.setBackgroundColor(Color.YELLOW);
    column1.setTextColor(Color.BLUE);
    column1.setText("Col1 Value");
    tableRow.addView(column1);

    TextView column2 = new TextView(this);
    column2.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
    column2.setBackgroundColor(Color.RED);
    column2.setTextColor(Color.GREEN);
    column2.setText("Col2 Value");
    tableRow.addView(column2);

    tableLayout.addView(tableRow, new TableLayout.LayoutParams(TableLayout.LayoutParams.FILL_PARENT, TableLayout.LayoutParams.WRAP_CONTENT));

    //tl.refreshDrawableState();
    //findViewById(R.id.tvt_scroll_relative).refreshDrawableState();
}
like image 310
CrackerJack9 Avatar asked Sep 24 '11 20:09

CrackerJack9


1 Answers

Change the two references

ViewGroup.LayoutParams

to

TableRow.LayoutParams

and it should work.

Adding layout params to a widget requires that the LayoutParams are a inner class of the surrounding layout container.

like image 195
Michael Greifeneder Avatar answered Sep 20 '22 12:09

Michael Greifeneder