不向 ArrayAdapter 添加项目

Question

所以我有这个代码：

   suggestionsAdapter.clear();
                locations.clear();
                List<Predictions> predictions = gson.fromJson(jsonObject.getJSONArray("predictions").toString(), new TypeToken<List<Predictions>>(){}.getType());
                for(Predictions prediction : predictions){
                    String title = prediction.terms.get(0).value;
                    locations.add(title);
                    suggestionsAdapter.add(title);
                }
                Log.i("","loc are:" + locations);
                Log.i("","locations are:" + locations.size());
                suggestionsAdapter.notifyDataSetChanged();
                Log.i("","suggestion adapter size:" + suggestionsAdapter.getCount());

我回来了：

 03-30 10:55:56.474: I/(3185): loc are:[Albert Cuypstraat, Albert Cuyp Market, Albania, Alblasserdam, Albert Cuypstraat]
 03-30 10:55:56.474: I/(3185): locations are:5
 03-30 10:55:56.474: I/(3185): suggestion adapter size:0

为什么会这样？ PS：这发生在监听器内部，监听器从 google 地点查询中取回预测。更改为：

 suggestionsAdapter.addAll(locations);
                        suggestionsAdapter.notifyDataSetChanged();

仍然是同样的结果，有时我得到：

 03-30 11:03:25.876: I/(10409): loc are:[Albert Cuypstraat, Albert Cuyp Market, Albert Cuypstraat, AH Haarlemmerdijk, Albert Heijn]
 03-30 11:03:25.876: I/(10409): locations are:5
 03-30 11:03:25.876: I/(10409): suggestion adapter size:3

Answer 1

我将列表用于 AutoCompleteTextView。这就是问题所在。加载列表时，AutoCompleteTextView 正在过滤，因此它不显示响应的原因。我使用从此处获取的自定义 autoCompleteTextView 修复了此问题： https://www.codeofaninja.com/2013/12/android-autocompletetextview-custom-arrayadapter-sqlite.html

不向 ArrayAdapter 添加项目

Does not add items to ArrayAdapter

arrays

android

list

adapter

android-arrayadapter