Question

我试图在使用Parse.com

填充后调整微调器

这是我使用时得到的 uniSpinner.getSelectedItem().toString(); 这就是我得到的：

com.parse.ParseObject@"Some numbers here, not the ID stored in parse"

以下代码也会产生相同的结果：

Toast.makeText(parent.getContext(), "test: " +
            parent.getItemAtPosition(position).toString(), Toast.LENGTH_LONG).show();

这是我创建微调器的代码：

 public void uniSpinnerSetup()
{
    ParseQueryAdapter.QueryFactory<ParseObject> factory = new ParseQueryAdapter.QueryFactory<ParseObject>() {
        public ParseQuery create() {
            ParseQuery query = new ParseQuery("University");
            return query;
        }
    };

    uniSpinner = (Spinner) findViewById(R.id.uniSpinner);

    ParseQueryAdapter<ParseObject> adapter = new ParseQueryAdapter<ParseObject>(this, factory);
    adapter.setTextKey("name");
    uniSpinner.setAdapter(adapter);
    uniSpinner.setSelection(1);
    uniSpinner.setOnItemSelectedListener(new mySpinnerListener());
}

class mySpinnerListener implements Spinner.OnItemSelectedListener
{
    @Override
    public void onItemSelected(AdapterView parent, View v, int position,long id) {
        // TODO Auto-generated method stub
        Toast.makeText(parent.getContext(), "test: " +
                parent.getItemAtPosition(position).toString(), Toast.LENGTH_LONG).show();

    }

    @Override
    public void onNothingSelected(AdapterView parent) {
        // TODO Auto-generated method stub
        // Do nothing.
    }

}

我看起来很高低，试图解决它，还没有找到解决方案！有什么帮助吗？

Answer 1

（正确答案在评论部分）

将适配器作为字段变量移出并使用它来获取对象：

ParseQueryAdapter<ParseObject> adapter;

 public void uniSpinnerSetup()
{
    ParseQueryAdapter.QueryFactory<ParseObject> factory = new ParseQueryAdapter.QueryFactory<ParseObject>() {
        public ParseQuery create() {
            ParseQuery query = new ParseQuery("University");
            return query;
        }
    };

    uniSpinner = (Spinner) findViewById(R.id.uniSpinner);

    adapter = new ParseQueryAdapter<ParseObject>(this, factory);
    adapter.setTextKey("name");
    uniSpinner.setAdapter(adapter);
    uniSpinner.setSelection(1);
    uniSpinner.setOnItemSelectedListener(new mySpinnerListener());
}

class mySpinnerListener implements Spinner.OnItemSelectedListener
{
    @Override
    public void onItemSelected(AdapterView parent, View v, int position,long id) {
        // TODO Auto-generated method stub
        ParseObject theSelectedObject = adapter.getItem(position);
        Toast.makeText(parent.getContext(), "test: " +
                theSelectedObject.toString(), Toast.LENGTH_LONG).show();

    }

    @Override
    public void onNothingSelected(AdapterView parent) {
        // TODO Auto-generated method stub
        // Do nothing.
    }

}

在使用Parse.com动态填充后，获取Spinner Selection

1 个答案: