Android View Util

AndroidViewUtil.java

// Set dynamic height of a listview
setupListViewHeight(context, myListView, myListData.size(), 30);    // 30 dp per row
                    
/**
 * Setup listview height based on the number of rows and unit row height
 *
 * @param listView
 * @param numberOfRows float
 * @param rowHeightInDp
 */
public static void setupListViewHeight(Context context, ListView listView, int numberOfRows, float rowHeightInDp) {
    ViewGroup.LayoutParams layoutParams = listView.getLayoutParams();
    layoutParams.height = dpToPx(context, numberOfRows * rowHeightInDp);
    listView.setLayoutParams(layoutParams);
}

/**
 * Utility function to convert dp to px used in layoutParams
 * @param context
 * @param dp
 * @return
 */
public static int dpToPx(Context context, float dp) {
    return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, context.getResources().getDisplayMetrics());
}