Question

我有custom listview如图所示。以下是custom listview

的代码

    public class CustomArrayAdapter extends BaseAdapter implements
        OnCheckedChangeListener {
    private Context context;

    private ArrayList<HashMap<String, String>> data;
    HashMap<String, String> hMap;

    String question, opt1, opt2, opt3, opt4, value;

    String[] answer;
    QuestionAnswer qa = new QuestionAnswer();

    public CustomArrayAdapter(Context context,
            ArrayList<HashMap<String, String>> d) {
        super();
        this.context = context;
        data = d;

    }

    public View getView(int position, View convertView, ViewGroup parent) {
        LayoutInflater inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View rowView = inflater.inflate(R.layout.custom_questions, parent,
                false);

        TextView tv = (TextView) rowView.findViewById(R.id.textView1);

        RadioGroup rg = (RadioGroup) rowView.findViewById(R.id.radioGroup1);
        final RadioButton rb1 = (RadioButton) rowView.findViewById(R.id.radio0);
        final RadioButton rb2 = (RadioButton) rowView.findViewById(R.id.radio1);
        final RadioButton rb3 = (RadioButton) rowView.findViewById(R.id.radio2);
        final RadioButton rb4 = (RadioButton) rowView.findViewById(R.id.radio3);

        hMap = new HashMap<String, String>();
        hMap = data.get(position);

        tv.setText(hMap.get("questions"));

        question = hMap.get("questions");

        /*Iterator myVeryOwnIterator = hMap.keySet().iterator();
        while (myVeryOwnIterator.hasNext()) {
            String key = (String) myVeryOwnIterator.next();
            value = (String) hMap.get("questions");
            System.out.println("mother fucker " + value);
            qa.setQuestion(value);

            questions(value);

        }*/

        rb1.setText(hMap.get("op1"));
        opt1 = hMap.get("op1");

        rb2.setText(hMap.get("op2"));
        opt2 = hMap.get("op2");

        rb3.setText(hMap.get("op3"));
        opt3 = hMap.get("op3");

        rb4.setText(hMap.get("op4"));
        opt4 = hMap.get("op4");

        rg.setOnCheckedChangeListener(this);

        return rowView;
    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return data.size();
    }

    @Override
    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return 0;
    }

    @Override
    public void onCheckedChanged(RadioGroup group, int checkedId) {
        // TODO Auto-generated method stub

        int childCount = group.getChildCount();
        for (int x = 0; x < childCount; x++) {
            RadioButton btn = (RadioButton) group.getChildAt(x);

            if (btn.getId() == checkedId) {

                String ans = btn.getText().toString();


            }
        }

    }



}

用户可以点击任何选项。但我需要获得final value selected。如果用户选择Anil然后选择John并移动到第二个问题，他选择Sick然后选择Play。我需要得到这些最终答案，即John和Play。我该怎么做呢？请帮忙。这就是我填充custom listview的方式。

    public class Account extends ListFragment implements OnItemClickListener {

    ArrayList<HashMap<String, String>> radioData = new ArrayList<HashMap<String, String>>();
    ListView lv;
    RadioGroup rg;
    Data data;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.account, container, false);
        final TextView tv = (TextView)rootView.findViewById(R.id.textView1);
        final Button bStart = (Button)rootView.findViewById(R.id.button1);
        final Button bSubmit = (Button)rootView.findViewById(R.id.button2);
        lv = (ListView) rootView.findViewById(android.R.id.list);
        rg = (RadioGroup)rootView.findViewById(R.id.radioGroup1);
        bStart.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

        });

        bSubmit.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

            }
        });

        String questions[] = { "what is your name", "why are you here" };
        String op1[] = { "Anil", "Play" };
        String op2[] = { "John", "Sick" };
        String op3[] = { "David", "Write" };
        String op4[] = { "Akshaya", "Act" };

        for (int i = 0; i < questions.length; i++) {
            HashMap<String, String> hMap1 = new HashMap<String, String>();
            hMap1.put("questions", questions[i]);
            hMap1.put("op1", op1[i]);
            hMap1.put("op2", op2[i]);
            hMap1.put("op3", op3[i]);
            hMap1.put("op4", op4[i]);

            radioData.add(hMap1);
        }


        /*ListAdapter adapter = new SimpleAdapter(getActivity(), radioData,
                R.layout.custom_questions, new String[] { "questions", "op1",
                        "op2", "op3", "op4" }, new int[] { R.id.textView1,
                        R.id.radio0, R.id.radio1, R.id.radio2, R.id.radio3 });*/

        CustomArrayAdapter adap = new CustomArrayAdapter(getActivity(), radioData);

        lv.setAdapter(adap);
        lv.setOnItemClickListener(this);


        return rootView;
    }


    @Override
    public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {


    }
}

Answer 1

您可以在提交按钮的onClick中执行此操作，如下所示：

bSubmit.setOnClickListener(new View.OnClickListener() {

    @Override
    public void onClick(View v) {
        //Id of checked radio button
        int checkedId = rgroup.getCheckedRadioButtonId();

        //Text of that id
        if(checkedId > 0) {  //condition to check that at radio button is selected.
            RadioButton radioButton = (RadioButton) findViewById(checkedId);
            String text = radioButton.getText().toString();
        }
    }
});

希望它有所帮助。

Answer 2

请尝试这种方式，希望这有助于您解决问题。

选择一个 HashMap ，其中 Interger 为关键， String 为值，并尝试将所有四个 RadioButton ID作为键和 RadioButton 文本作为值并尝试设置将此 HashMap 标记为 RadioGroup 。当任何 RadioButton 检查更改时监听器从 RadioGroup 标签中调用 HashMap ，并使用选中的 RadioButton 从 HashMap 中选中 RadioButton 文本strong> id。

public class CustomArrayAdapter extends BaseAdapter{ private Context context; private ArrayList<HashMap<String, String>> data; public CustomArrayAdapter(Context context,ArrayList<HashMap<String, String>> data) { super(); this.context = context; this.data = data; } public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder; if(convertView==null){ holder = new ViewHolder(); convertView = LayoutInflater.from(context).inflate(R.layout.custom_questions, parent,false); holder.textView1 = (TextView) convertView.findViewById(R.id.textView1); holder.radioGroup1 = (RadioGroup) convertView.findViewById(R.id.radioGroup1); holder.radio0 = (RadioButton) convertView.findViewById(R.id.radio0); holder.radio1 = (RadioButton) convertView.findViewById(R.id.radio1); holder.radio2 = (RadioButton) convertView.findViewById(R.id.radio2); holder.radio3 = (RadioButton) convertView.findViewById(R.id.radio3); convertView.setTag(holder); }else{ holder =(ViewHolder) convertView.getTag(); } holder.textView1.setText(data.get(position).get("questions")); holder.radio0.setText(data.get(position).get("op1")); holder.radio1.setText(data.get(position).get("op2")); holder.radio2.setText(data.get(position).get("op3")); holder.radio3.setText(data.get(position).get("op4")); HashMap<Integer,String> radioMap = new HashMap<Integer, String>(); radioMap.put(holder.radio0.getId(),holder.radio0.getText().toString()); radioMap.put(holder.radio1.getId(),holder.radio1.getText().toString()); radioMap.put(holder.radio2.getId(),holder.radio2.getText().toString()); radioMap.put(holder.radio3.getId(),holder.radio3.getText().toString()); holder.radioGroup1.setTag(radioMap); holder.radioGroup1.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, int checkedId) { HashMap<Integer,String> data = (HashMap<Integer,String>) group.getTag(); Toast.makeText(context,data.get(checkedId),Toast.LENGTH_SHORT).show(); } }); return convertView; } @Override public int getCount() { return data.size(); } @Override public Object getItem(int position) { return data.get(position); } @Override public long getItemId(int position) { return position; } class ViewHolder{ TextView textView1; RadioGroup radioGroup1; RadioButton radio0; RadioButton radio1; RadioButton radio2; RadioButton radio3; } }

如何在Android中的Radio Group获得最终检查值？

2 个答案: