Java HashMap中的视图命名不正确
我正在尝试从Java HashMap中的视图命名不正确,java,android,json,Java,Android,Json,我正在尝试从JSON响应创建动态U.I.。我有以下代码 class LoadAllQuestions extends AsyncTask<String, String, String> { private ProgressDialog pDialog; JSONParser jParser = new JSONParser(); JSONArray questions = null; protected void onPreExecute() {
JSON
响应创建动态U.I.
。我有以下代码
class LoadAllQuestions extends AsyncTask<String, String, String> {
private ProgressDialog pDialog;
JSONParser jParser = new JSONParser();
JSONArray questions = null;
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(getActivity());
pDialog.setMessage("Loading questions. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
protected String doInBackground(String... args) {
// getting JSON string from URL
companyName = cn.getText().toString();
projectName = pn.getText().toString();
String componentName = (String) ab.getSelectedTab().getText();
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(3);
nameValuePairs.add(new BasicNameValuePair("company", companyName));
nameValuePairs.add(new BasicNameValuePair("project", projectName));
nameValuePairs.add(new BasicNameValuePair("component",
componentName));
JSONObject json = jParser.makeHttpRequest(url, "POST",
nameValuePairs);
// Check your log cat for JSON response
Log.d("All Questions: ", json.toString());
try {
// Checking for SUCCESS TAG
int success = json.getInt(TAG_SUCCESS);
if (success == 1) {
Log.v("RESPONSE", "Success!");
// products found: getting Array of Questions
questions = json.getJSONArray(TAG_QUESTIONS);
// looping through All Questions
for (int i = 0; i < questions.length(); i++) {
JSONObject c = questions.getJSONObject(i);
// Storing each JSON item in variable
String name = c.getString(TAG_NAME);
String field = c.getString(TAG_FIELD);
String value = c.getString(TAG_VALUE);
// creating new HashMap
HashMap<String, String> map = new HashMap<String, String>();
// adding each child node to HashMap key => value
map.put(TAG_NAME, name);
map.put(TAG_FIELD, field);
map.put(TAG_VALUE, value);
infoList.add(map);
}
} else {
// no products found
Log.v("ERROR", "No JSON for you!");
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
protected void onPostExecute(String string) {
// dismiss the dialog
pDialog.dismiss();
// loop through infoList
for (int i = 0; i < infoList.size(); i++) {
// get HashMap
HashMap<String, String> map = infoList.get(i);
// if the answer should be a radio button, inflate it
if (map.get(TAG_FIELD).equals("Radio")) {
Log.v("RESPONSE", "About to create a radio button");
// find
LinearLayout content = (LinearLayout) view
.findViewById(R.id.genA_layout);
// create
TextView tv = new TextView(getActivity());
RadioGroup rg = new RadioGroup(getActivity());
rg.setOrientation(RadioGroup.HORIZONTAL);
RadioButton rb = new RadioButton(getActivity());
RadioButton rb2 = new RadioButton(getActivity());
LinearLayout ll = new LinearLayout(getActivity());
// set
rb.setLayoutParams(new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT));
rb2.setLayoutParams(new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT));
ll.setLayoutParams(new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT));
rb.setText(TAG_VALUE);
rb2.setText(TAG_VALUE);
tv.setText(map.get(TAG_NAME));
ll.setOrientation(LinearLayout.HORIZONTAL);
// add
rg.addView(rb);
rg.addView(rb2);
ll.addView(tv);
ll.addView(rg);
content.addView(ll);
}
// else inflate the view as an EditText field
else if (map.get(TAG_FIELD).equals("Text Field")) {
Log.v("RESPONSE", "About to create an EditText");
// find
LinearLayout content = (LinearLayout) view
.findViewById(R.id.genA_layout);
// create
TextView tv = new TextView(getActivity());
EditText et = new EditText(getActivity());
LinearLayout ll1 = new LinearLayout(getActivity());
// set
tv.setLayoutParams(new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT));
et.setLayoutParams(new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT));
ll1.setLayoutParams(new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT));
tv.setText(map.get(TAG_NAME));
ll1.setOrientation(LinearLayout.HORIZONTAL);
// add
ll1.addView(tv);
ll1.addView(et);
content.addView(ll1);
} else if (map.get(TAG_FIELD).equals("Check Box")) {
Log.v("RESPONSE", "About to create a CheckBox");
// find
LinearLayout content = (LinearLayout) view
.findViewById(R.id.genA_layout);
// create
TextView tv = new TextView(getActivity());
CheckBox cb = new CheckBox(getActivity());
LinearLayout ll = new LinearLayout(getActivity());
// set
cb.setLayoutParams(new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT));
ll.setLayoutParams(new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT));
tv.setText(map.get(TAG_NAME));
ll.setOrientation(LinearLayout.HORIZONTAL);
// add
ll.addView(tv);
ll.addView(cb);
content.addView(ll);
} else if (map.get(TAG_FIELD).equals("Drop Down Menu")) {
Log.v("RESPONSE", "About to create a Drop Down Menu");
}
}
// find
LinearLayout loader = (LinearLayout) view
.findViewById(R.id.loader_layout);
Button save = (Button) view
.findViewById(R.id.generalAssets_save_button_ID);
// set
loader.setVisibility(View.GONE);
save.setVisibility(View.VISIBLE);
};
}
现在我想让它看起来像这样
Store # ------------------ <EditText>
Address ------------------ <EditText>
Is this business good? --- <RadioButton> (Yes) <RadioButton> (No)
Type of business? -------- <Spinner> (Education\r\nHealth\r\nComputers\r\nFood\r\nRetail\r\nOther)
Store#------------
地址----------------
这生意好吗(是)(否)
业务类型?----------(教育\r\n健康\r\n计算机\r\n食品\r\n详细信息\r\n其他)
等等,但是现在它正在这样做,从字面上说,这些是我看到的价值观
Store# ------------------ nothing
Address ----------------- nothing
Is this business good?--- <RadioButton> (option_value) <RadioButton> (option_value)
Are they nice people?---- <CheckBox>
Store#--------------什么都没有
地址-----------------无
这个生意好吗?--(期权价值)(期权价值)
他们是好人吗
因此,这可能比您需要看到的代码要多,但我想确保您完全理解正在发生的事情
*编辑以显示更改
编辑完成后,它开始工作了,有点。。。如果我需要更多的帮助,我会发布另一个问题。原来的问题解决了。特别感谢@sarwar当你膨胀布局时,看起来你在测试错误的东西。这就是您遇到麻烦的地方:
for(字符串键:map.keySet()){
您可以针对不同类型的字段测试每个映射中的所有键。但根本没有理由使用该内部循环。您的字段类型始终包含在:
map.get(TAG\u字段)
同样,如果需要显示名称,可以使用map.get(TAG\u名称)获取
切掉内部循环,将您的类型与正确的值进行比较,您应该在正确的轨道上。当您膨胀布局时,似乎测试了错误的东西。这就是您遇到麻烦的地方:for(String key:map.keySet()){
您可以针对不同类型的字段测试每个映射中的所有键。但根本没有理由使用该内部循环。您的字段类型始终包含在:
map.get(TAG\u字段)
同样,如果您想要显示名称,您可以使用map.get(TAG\u名称)
切掉内部循环,将您的类型与正确的值进行比较,您应该处于正确的轨道上。您没有正确地从HashMap调用它们
map.put(TAG_NAME, name);
map.put(TAG_FIELD, field);
map.put(TAG_VALUE, value);
您只需调用类型..您需要在每个UI组件中显式调用名称和值..即
tv.setText(map.get(TAG_VALUE));
您不能正确地从HashMap调用它们
map.put(TAG_NAME, name);
map.put(TAG_FIELD, field);
map.put(TAG_VALUE, value);
您只需调用类型..您需要在每个UI组件中显式调用名称和值..即
tv.setText(map.get(TAG_VALUE));
我想知道你为什么不使用ListView来做这件事?@MiroMarkarian我不认为这对我所尝试的是真的可能的,但如果你认为你有办法让它工作,我很抱歉我想知道你为什么不使用ListView来做这件事?@MiroMarkarian我不认为这对我所尝试的是真的可能的,但如果你认为你有办法的话我很期待你是一个摇滚明星,我的朋友。你解决了一半的问题,一下子就解决了。但是它仍然不会显示我的
EditText
,也不会命名我的按钮……我也在努力解决这个问题。我编辑了我的原始帖子,以显示EditText上的变化我猜你有它们和TextV在LinearLayout中查看标签均为.MatchParent。两个标签的WrapContent可能会起作用,否则您可能需要更详细的布局。是的,您是对的。我会离开一会儿。如果我错过了像这样的小事情,我的眼睛会不舒服。感谢您的帮助,答案已被接受。如果我有更多问题,我会提出另一个问题。您是一名Rockstar我的朋友。你解决了一半的问题,一下子就解决了。但是它仍然不会显示我的EditText
,也不会命名我的按钮……我也在努力解决这个问题。我编辑了我的原始帖子,以显示EditText上的变化。我猜,你的EditText和TextView标签都是.MatchParentarLayout。两个都有WrapContent可能会起作用,否则你可能需要更详细的布局。是的,你是对的。我会离开一会儿。如果我错过了像这样的小事情,我的眼睛会不舒服。谢谢你的帮助,答案被接受。如果我有更多问题,我会再问一个问题