我有一个列表视图。当我单击 ListItem 时,我将 ListItem(它的视图)的背景设置为另一种颜色:
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a, View v, int position, long id) {
setupDetailView(position);
setupChartView(position);
setupARView(position);
emptyView.setVisibility(View.INVISIBLE);
quotesAdapter.isSelected = true;
//v.setBackgroundResource(R.drawable.stocks_selector);
}
});
这是我的适配器:
private class QuoteAdapter extends ArrayAdapter<Quote> {
private ArrayList<Quote> items;
public boolean isSelected = false;
public QuoteAdapter(Context context, int textViewResourceId, ArrayList<Quote> items) {
super(context, textViewResourceId, items);
this.items = items;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
if (v == null) {
LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = vi.inflate(R.layout.mainrow, null);
if(isSelected)
v.setBackgroundResource(R.drawable.red);
else
v.setBackgroundResource(R.drawable.transparent_background);
}
问题是,如果我选择多行,那么多行会有彩色背景。我只希望单击的项目具有彩色背景。所以如果我点击第 2 行,我希望它变成红色,然后如果我点击第 1 行,我希望第 2 行恢复正常,第 1 行变成红色。
我怎样才能做到这一点?