0 
@Override  
 public boolean onContextItemSelected(MenuItem item) {  
  if(item.getTitle()=="Remove"){
   AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
   quotesAdapter.remove(quotes.get((int)info.id));
   quotesAdapter.notifyDataSetChanged();
   listView.setAdapter(quotesAdapter);
   serializeQuotes();
  }  
  else {
   return false;
  }  

  return true;  
 }

Doesn't do anything. If I add

this.quotesAdapter = new QuoteAdapter(this, R.layout.mainrow, quotes);

Removal works, but I don't think is the right way of doing things. I'm not sure what is wrong?

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1 回答 1

0

如果quotes是 Java 数组，则在运行时不可修改。尝试使用 anArrayList<>代替。

如果quotes是Cursor，则需要从底层数据库中删除该行，requery()那么Cursor.

于 2010-08-31T23:17:32.637 回答