我的应用程序基于片段使用支持库.我有一个PreferenceActivity,我允许用户为列表中的文本设置他们想要的颜色(适配器读取首选项并设置颜色).这在大多数情况下都按预期工作.

我遇到的问题如下.当我在屏幕上显示列表(它是一个ListFragment)并拉出菜单时,选择“首选项”并更改颜色首选项.从PreferenceActivity返回列表后,我似乎无法使用指定的新颜色重新绘制列表.

如果我离开列表并返回它,它将使用新颜色重新生成.

我正在尝试使用onResume进行更改.我目前拥有的代码(似乎没有对列表执行任何操作,但会更改标题颜色)：

@Override
public void onResume() {
    super.onResume();
    header.setTextColor(MyApplication.header);
    line.setBackgroundColor(MyApplication.header_line);
    subheader.setTextColor(MyApplication.header);
    getListView().invalidateViews();
}

我尝试过invalidateViews并使其无效.无奈之下,我尝试在适配器上调用notifyDataSetChanged,即使数据本身没有变化.似乎没什么用.

我错过了一些明显的东西,还是没有办法做到这一点？

编辑

我的适配器的’getView`方法：

@Override
public View getView(int position,View convertView,ViewGroup parent) {
    if (convertView == null)
        convertView = View.inflate(context,layout,null);
    View row = convertView;
    c.moveToPosition(position);
    TextView first = (TextView) convertView.findViewById(R.id.ListItem1);
    TextView second = (TextView) convertView.findViewById(R.id.ListItem2);
    TextView third = (TextView) convertView.findViewById(R.id.ListItem3);
    TextView fourth = (TextView) convertView.findViewById(R.id.ListItem4);

    DecimalFormat df = new DecimalFormat("0.00");
    Double hold = Double.valueOf(c.getString(3));
    Double qty = Double.valueOf(c.getString(1));
    Double total = hold * qty;

    String color = "#FF00FF";
    first.setText(c.getString(2));
    first.setTextColor(MyApplication.shoplistitem_name);
    second.setText(c.getString(4));
    second.setTextColor(MyApplication.shoplistitem_desc);
    third.setText(c.getString(1));
    third.setTextColor(MyApplication.shoplistitem_qty);
    fourth.setText("$" + df.format(total));
    fourth.setTextColor(MyApplication.shoplistitem_desc);

    if (strikethroughState[position] == 1) {
        first.setPaintFlags(first.getPaintFlags()
                | Paint.STRIKE_THRU_TEXT_FLAG);
        second.setPaintFlags(second.getPaintFlags()
                | Paint.STRIKE_THRU_TEXT_FLAG);
        third.setPaintFlags(third.getPaintFlags()
                | Paint.STRIKE_THRU_TEXT_FLAG);
        fourth.setPaintFlags(third.getPaintFlags()
                | Paint.STRIKE_THRU_TEXT_FLAG);
        row.setBackgroundColor(MyApplication.shoplistitem_checked);
    } else {
        first.setPaintFlags(first.getPaintFlags()
                & ~Paint.STRIKE_THRU_TEXT_FLAG);
        second.setPaintFlags(second.getPaintFlags()
                & ~Paint.STRIKE_THRU_TEXT_FLAG);
        third.setPaintFlags(third.getPaintFlags()
                & ~Paint.STRIKE_THRU_TEXT_FLAG);
        fourth.setPaintFlags(third.getPaintFlags()
                & ~Paint.STRIKE_THRU_TEXT_FLAG);
        row.setBackgroundResource(R.color.black);
    }
    return (row);
}