GridView with different column sizes

foo         1000
bar         876
foobar      500
foobarfoo   1

public View getView(int position, View convertView, ViewGroup parent) {
    TextView tv;
    if (convertView == null) {
        tv = new TextView(context);
        tv.setTextSize(25);
        tv.setTextColor(Color.WHITE);

        if (position % 2 == 0)
        {
            tv.setLayoutParams(new GridView.LayoutParams((width/10)*6, 50));
        }
        else
        {
            tv.setLayoutParams(new GridView.LayoutParams((width/10)*4, 50));
        }
    }
    else {
        tv = (TextView) convertView;
    }

    tv.setText(texts[position]);
    return tv;
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent" android:orientation="vertical" android:id="@+id/top">
    <GridView android:layout_width="fill_parent"
              android:layout_height="wrap_content"
              android:layout_weight="2"
              android:id="@+id/grid"
              android:numColumns="2"
              android:columnWidth="0dp"
              >
    </GridView>
    <Button android:layout_width="fill_parent" android:layout_height="wrap_content" android:id="@+id/backbutton" android:text="@string/backstr"></Button>

</LinearLayout>

public View getView(int position, View convertView, ViewGroup parent) {
    TextView tv1;
    TextView tv2;
    LinearLayout ll;
    if (convertView == null) {
        tv1 = new TextView(context);
        tv1.setTextSize(25);
        tv1.setTextColor(Color.WHITE);
        tv1.setGravity(Gravity.LEFT);
        tv1.setPadding(5, 5, 5, 5);
        tv1.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
                                                          LinearLayout.LayoutParams.FILL_PARENT,
                                                          (float) 3.0));

        tv2 = new TextView(context);
        tv2.setTextSize(25);
        tv2.setTextColor(Color.WHITE);
        tv2.setGravity(Gravity.RIGHT);
        tv2.setPadding(5, 5, 5, 5);
        tv2.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
                                                              LinearLayout.LayoutParams.FILL_PARENT,
                                                              (float) 4.0));

        ll = new LinearLayout(context);
        ll.setOrientation(0);
        ll.setPadding(5, 5, 5, 10);

        tv1.setText(names[position]);
        tv2.setText(scores[position]);

        ll.addView(tv1);
        ll.addView(tv2);
    }
    else {
        ll = (LinearLayout) convertView;
        tv1 = (TextView) ll.getChildAt(0);
        tv2 = (TextView) ll.getChildAt(1);

        tv1.setText(names[position]);
        tv2.setText(scores[position]);
    }

    return ll;
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent" android:orientation="vertical" android:id="@+id/top">
    <ListView android:layout_width="fill_parent"
              android:layout_height="wrap_content"
              android:layout_weight="2"
              android:numColumns="2"
              android:columnWidth="0dp"
              android:id="@+id/list">
    </ListView>
    <Button android:layout_width="fill_parent" android:layout_height="wrap_content" android:id="@+id/backbutton" android:text="@string/back"></Button>

</LinearLayout>