Android - ListAdapter Children Measure

gistfile1.txt

private int measureContentWidth(ListAdapter adapter) {
    // Menus don't tend to be long, so this is more sane than it looks.
    int width = 0;
    View itemView = null;
    int itemType = 0;
    final int widthMeasureSpec =
        MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    final int heightMeasureSpec =
        MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final int positionType = adapter.getItemViewType(i);
        if (positionType != itemType) {
            itemType = positionType;
            itemView = null;
        }
        if (mMeasureParent == null) {
            mMeasureParent = new FrameLayout(mContext);
        }
        itemView = adapter.getView(i, itemView, mMeasureParent);
        itemView.measure(widthMeasureSpec, heightMeasureSpec);
        width = Math.max(width, itemView.getMeasuredWidth());
    }
    return width;
}