这是我的错误日志。当我解析数据时，会发生此错误。
05-03 10:33:27.175: W/System.err(28526): org.json.JSONException: No value for userfeedback
05-03 10:33:27.175: W/System.err(28526): at org.json.JSONObject.get(JSONObject.java:354)
05-03 10:33:27.175: W/System.err(28526): at org.json.JSONObject.getJSONArray(JSONObject.java:548)
05-03 10:33:27.175: W/System.err(28526): at redixbit.restaurant.Review.getdetailforNearMe(Review.java:773)
05-03 10:33:27.175: W/System.err(28526): at redixbit.restaurant.Review.access$0(Review.java:742)
05-03 10:33:27.175: W/System.err(28526): at redixbit.restaurant.Review$getreviewdetail.doInBackground(Review.java:650)
05-03 10:33:27.175: W/System.err(28526): at redixbit.restaurant.Review$getreviewdetail.doInBackground(Review.java:1)
05-03 10:33:27.185: W/System.err(28526): at android.os.AsyncTask$2.call(AsyncTask.java:287)
05-03 10:33:27.185: W/System.err(28526): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
05-03 10:33:27.195: W/System.err(28526): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
05-03 10:33:27.195: W/System.err(28526): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
05-03 10:33:27.195: W/System.err(28526): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
05-03 10:33:27.195: W/System.err(28526): at java.lang.Thread.run(Thread.java:841)
这是我的评论类代码。虽然我给予评论，但它会给jsonexception只能给第一次第二次它会给json异常。
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class Review extends Activity {
ListView list_review;
String[] str = { "abc", "def", "pqr" };
Float rate = 0.0f;
Button btn_add;
RelativeLayout rl_adddialog;
RelativeLayout rl_userdialog;
String id;
ArrayList<Restgetset> rest;
ArrayList<User> rest1;
public static final String MY_PREFS_NAME = "Restaurant";
Vector<String> bgName;
EditText edt_nameuser, edt_usermail, edt_comment;
String username, useremailid, userrate, usercomment;
RatingBar rb1234;
String user1, user2, uservalue, updateuname, updateumail;
ProgressDialog progressDialog;
LayoutInflater inflater = null;
View layout12;
RelativeLayout rl_home, rl_back;
ImageView img_back;
String emailpattern;
Boolean isInternetPresent = false;
ConnectionDetector cd;
private String Error = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
getActionBar().hide();
setContentView(R.layout.activity_review);
cd = new ConnectionDetector(getApplicationContext());
isInternetPresent = cd.isConnectingToInternet();
// check for Internet status
if (isInternetPresent) {
if (getString(R.string.review_banner).equals("yes")) {
AdView mAdView = (AdView) findViewById(R.id.adView);
AdRequest adRequest = new AdRequest.Builder().build();
mAdView.loadAd(adRequest);
}else {
AdView mAdView = (AdView) findViewById(R.id.adView);
mAdView.setVisibility(View.GONE);
}
emailpattern = "[a-zA-Z0-9._-]+@[a-z]+\\.+[a-z]+";
initialize();
Intent iv = getIntent();
id = iv.getStringExtra("id");
Log.d("id123", "" + id);
new getreviewdetail().execute();
initialisedialog();
} else {
// Internet connection is not present
// Ask user to connect to Internet
RelativeLayout rl_back = (RelativeLayout) findViewById(R.id.rl_back);
if (rl_back == null) {
Log.d("second", "second");
RelativeLayout rl_dialoguser = (RelativeLayout) findViewById(R.id.rl_infodialog);
layout12 = getLayoutInflater().inflate(
R.layout.connectiondialog, rl_dialoguser, false);
rl_dialoguser.addView(layout12);
rl_dialoguser.startAnimation(AnimationUtils.loadAnimation(
Review.this, R.anim.popup));
Button btn_yes = (Button) layout12.findViewById(R.id.btn_yes);
btn_yes.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
finish();
}
});
}
}
}
private void initialize() {
// TODO Auto-generated method stub
rl_home = (RelativeLayout) findViewById(R.id.rl_home);
rl_back = (RelativeLayout) findViewById(R.id.rl_back);
img_back = (ImageView) findViewById(R.id.img_back);
bgName = new Vector<String>();
rest = new ArrayList<Restgetset>();
rest1 = new ArrayList<User>();
}
public void initialisedialog() {
btn_add = (Button) findViewById(R.id.btn_add);
btn_add.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
layout12 = v;
list_review.setEnabled(false);
SharedPreferences prefs = getSharedPreferences(MY_PREFS_NAME,
MODE_PRIVATE);
// check user is created or not
if (prefs.getString("score", null) != null) {
uservalue = prefs.getString("score", null);
Log.d("user3", uservalue);
if (rl_back == null) {
RelativeLayout rl_dialoguser = (RelativeLayout) findViewById(R.id.rl_infodialog);
layout12 = getLayoutInflater().inflate(
R.layout.giverate, rl_dialoguser, false);
rl_dialoguser.addView(layout12);
rl_dialoguser.setAlpha(1);
img_back = (ImageView) findViewById(R.id.img_back);
img_back.setAlpha(0.8f);
// rl_home.setAlpha(0.5f);
edt_comment = (EditText) layout12
.findViewById(R.id.txt_description);
rb1234 = (RatingBar) layout12
.findViewById(R.id.rate1234);
Button btn_submit = (Button) layout12
.findViewById(R.id.btn_submit);
btn_submit.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
// rl_adddialog.setVisibility(View.GONE);
layout12 = v;
list_review.setEnabled(true);
// rl_home.setAlpha(1.0f);
try {
usercomment = edt_comment.getText()
.toString().replace(" ", "%20");
userrate = String.valueOf(rb1234
.getRating());
if (usercomment.equals(null)) {
usercomment = "";
}
} catch (NullPointerException e) {
// TODO: handle exception
}
Log.d("comment", "" + usercomment);
Log.d("rate", "" + userrate);
new getratedetail().execute();
AlertDialog.Builder builder = new AlertDialog.Builder(
Review.this);
builder.setMessage(
"Thank you for your feedback")
.setTitle("Thanks..");
builder.setNeutralButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
@Override
public void onClick(
DialogInterface dialog,
int id) {
dialog.cancel();
new getreviewdetail().execute();
}
});
AlertDialog alert = builder.create();
alert.show();
View myView = findViewById(R.id.rl_back);
ViewGroup parent = (ViewGroup) myView
.getParent();
parent.removeView(myView);
img_back = (ImageView) findViewById(R.id.img_back);
}
});
Button btn_cancel = (Button) layout12
.findViewById(R.id.btn_cancel);
btn_cancel.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
list_review.setEnabled(true);
View myView = findViewById(R.id.rl_back);
ViewGroup parent = (ViewGroup) myView
.getParent();
parent.removeView(myView);
img_back = (ImageView) findViewById(R.id.img_back);
}
});
}
} else {
if (rl_back == null) {
RelativeLayout rl_dialog = (RelativeLayout) findViewById(R.id.rl_infodialog);
layout12 = getLayoutInflater().inflate(
R.layout.dialog_create, rl_dialog, false);
rl_dialog.addView(layout12);
img_back = (ImageView) findViewById(R.id.img_back);
img_back.setAlpha(0.8f);
rl_dialog.setAlpha(1);
edt_nameuser = (EditText) layout12
.findViewById(R.id.edt_name);
edt_usermail = (EditText) layout12
.findViewById(R.id.edt_email12);
Button btn_usersubmit = (Button) layout12
.findViewById(R.id.btn_submituser);
btn_usersubmit
.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
username = edt_nameuser.getText()
.toString();
useremailid = edt_usermail.getText()
.toString();
if (useremailid.matches(emailpattern)
&& useremailid.length() > 0) {
if (username.equals("")) {
edt_nameuser
.setError("Enter User Name");
} else {
SharedPreferences.Editor editor = getSharedPreferences(
MY_PREFS_NAME,
MODE_PRIVATE).edit();
editor.putString("username", ""
+ username);
editor.putString("usermailid",
"" + useremailid);
editor.commit();
new getuserdetail().execute();
View myView = findViewById(R.id.rl_back);
ViewGroup parent = (ViewGroup) myView
.getParent();
parent.removeView(myView);
img_back = (ImageView) findViewById(R.id.img_back);
rl_back = (RelativeLayout) findViewById(R.id.rl_back);
if (rl_back == null) {
RelativeLayout rl_dialog = (RelativeLayout) findViewById(R.id.rl_infodialog);
layout12 = getLayoutInflater()
.inflate(
R.layout.giverate,
rl_dialog,
false);
rl_dialog.addView(layout12);
rl_dialog.setAlpha(1);
img_back = (ImageView) findViewById(R.id.img_back);
img_back.setAlpha(0.8f);
}
edt_comment = (EditText) layout12
.findViewById(R.id.txt_description);
rb1234 = (RatingBar) layout12
.findViewById(R.id.rate1234);
Button btn_submit = (Button) layout12
.findViewById(R.id.btn_submit);
btn_submit
.setOnClickListener(new OnClickListener() {
@Override
public void onClick(
View v) {
// TODO
// Auto-generated
// method stub
layout12 = v;
View myView = findViewById(R.id.rl_back);
ViewGroup parent = (ViewGroup) myView
.getParent();
parent.removeView(myView);
img_back = (ImageView) findViewById(R.id.img_back);
try {
usercomment = edt_comment
.getText()
.toString()
.replace(
" ",
"%20");
if (usercomment
.equals(null)) {
usercomment = "";
}
userrate = String
.valueOf(rb1234
.getRating());
} catch (NullPointerException e) {
// TODO:
// handle
// exception
e.printStackTrace();
}
Log.d("comment",
""
+ usercomment);
Log.d("rate",
""
+ userrate);
new getratedetail()
.execute();
AlertDialog.Builder builder = new AlertDialog.Builder(
Review.this);
builder.setMessage(
"Thank you for giving your feedback")
.setTitle(
"Thanks");
builder.setNeutralButton(
android.R.string.ok,
new DialogInterface.OnClickListener() {
@Override
public void onClick(
DialogInterface dialog,
int id) {
dialog.cancel();
new getreviewdetail()
.execute();
}
});
AlertDialog alert = builder
.create();
alert.show();
}
});
Button btn_cancel = (Button) layout12
.findViewById(R.id.btn_cancel);
btn_cancel
.setOnClickListener(new OnClickListener() {
@Override
public void onClick(
View v) {
// TODO
// Auto-generated
// method stub
View myView = findViewById(R.id.rl_back);
ViewGroup parent = (ViewGroup) myView
.getParent();
parent.removeView(myView);
img_back = (ImageView) findViewById(R.id.img_back);
// img_back.setAlpha(0.0f);
}
});
}
} else {
edt_usermail
.setError("Enter valid email address");
}
}
});
// new changes
Button btn_cancel = (Button) layout12
.findViewById(R.id.btn_canceluser1);
btn_cancel.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
ImageView img_back = (ImageView) findViewById(R.id.img_back);
img_back.setAlpha(0.0f);
View myView = findViewById(R.id.rl_back);
ViewGroup parent = (ViewGroup) myView
.getParent();
parent.removeView(myView);
}
});
}
}
}
});
}
public class getratedetail extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(Void... params) {
URL hp = null;
try {
if (uservalue != null) {
hp = new URL(getString(R.string.liveurl)
+ "userfeedback.php?");
} else {
hp = new URL(getString(R.string.liveurl)
+ "userfeedback.php?res_id=" + id + "&&user_id="
+ user2 + "&&ratting=" + userrate + "&&comment="
+ usercomment);
}
Log.d("userurl", "" + hp);
URLConnection hpCon = hp.openConnection();
hpCon.connect();
InputStream input = hpCon.getInputStream();
Log.d("input", "" + input);
BufferedReader r = new BufferedReader(new InputStreamReader(
input));
String x = "";
// x = r.readLine();
String total = "";
while (x != null) {
total += x;
x = r.readLine();
}
Log.d("totalid", "" + total);
JSONObject j = new JSONObject("Massage");
Log.d("j", "" + j);
for (int i = 0; i < j.length(); i++) {
JSONObject Obj;
Obj = j.getJSONObject(String.valueOf(i));
User temp = new User();
temp.setId(Obj.getString("id"));
rest1.add(temp);
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NullPointerException e) {
// TODO: handle exception
}
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
}
}
public class getuserdetail extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(Void... params) {
URL hp = null;
try {
hp = new URL(getString(R.string.liveurl)
+ "adduser.php?username=" + username + "&&email="
+ useremailid);
Log.d("userurl", "" + hp);
URLConnection hpCon = hp.openConnection();
hpCon.connect();
InputStream input = hpCon.getInputStream();
Log.d("input", "" + input);
BufferedReader r = new BufferedReader(new InputStreamReader(
input));
String x = "";
// x = r.readLine();
String total = "";
while (x != null) {
total += x;
x = r.readLine();
}
Log.d("totalid", "" + total);
JSONArray j = new JSONArray(total);
Log.d("j", "" + j);
for (int i = 0; i < j.length(); i++) {
JSONObject Obj;
Obj = j.getJSONObject(i);
User temp = new User();
temp.setId(Obj.getString("id"));
rest1.add(temp);
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NullPointerException e) {
// TODO: handle exception
}
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
// if (progressDialog.isShowing()) {
// progressDialog.dismiss();
int start = 0;
User user = rest1.get(start);
user2 = user.getId();
Log.d("user1", "" + user2);
SharedPreferences.Editor editor = getSharedPreferences(
MY_PREFS_NAME, MODE_PRIVATE).edit();
editor.putString("score", "" + user2);
editor.commit();
}
}
public class getreviewdetail extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
progressDialog = new ProgressDialog(Review.this);
progressDialog.setMessage("Loading...");
progressDialog.setCancelable(true);
progressDialog.show();
}
@Override
protected Void doInBackground(Void... params) {
getdetailforNearMe();
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
if (progressDialog.isShowing()) {
progressDialog.dismiss();
int temp = 1;
for (int i = 0; i < rest.size(); i++) {
if (temp == 1) {
bgName.add("RED");
temp++;
} else if (temp == 2) {
bgName.add("BLUE");
temp++;
}
if (temp == 3) {
bgName.add("GREEN");
temp = 1;
}
}
list_review = (ListView) findViewById(R.id.list_review);
LazyAdapter lazy = new LazyAdapter(Review.this, rest);
list_review.setAdapter(lazy);
list_review.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// TODO Auto-generated method stub
list_review.setEnabled(false);
if (rl_back == null) {
RelativeLayout rl_dialog = (RelativeLayout) findViewById(R.id.rl_infodialog);
layout12 = getLayoutInflater().inflate(
R.layout.reviewclick_dialog, rl_dialog,
false);
rl_dialog.addView(layout12);
img_back = (ImageView) findViewById(R.id.img_back);
img_back.setAlpha(0.8f);
rl_dialog.setAlpha(1);
TextView txt_name_comment = (TextView) layout12
.findViewById(R.id.txt_nameuser);
txt_name_comment.setText(""
+ rest.get(position).getTitle());
try {
RatingBar rb = (RatingBar) layout12
.findViewById(R.id.rate1234);
rb.setRating(Float.parseFloat(rest
.get(position).getRatting()));
} catch (NumberFormatException e) {
// TODO: handle exception
}
TextView txt_comment_desc = (TextView) layout12
.findViewById(R.id.txt_comment_desc);
txt_comment_desc.setText(""
+ rest.get(position).getAddress());
Button btn_ok = (Button) layout12
.findViewById(R.id.btn_ok);
btn_ok.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
list_review.setEnabled(true);
ImageView img_back = (ImageView) findViewById(R.id.img_back);
img_back.setAlpha(0.0f);
View myView = findViewById(R.id.rl_back);
ViewGroup parent = (ViewGroup) myView
.getParent();
parent.removeView(myView);
}
});
}
}
});
}
}
}
private void getdetailforNearMe() {
// TODO Auto-generated method stub
URL hp = null;
try {
rest.clear();
hp = new URL(getString(R.string.liveurl)
+ "userfeedback.php?value=" + id);
Log.d("URL", "" + hp);
URLConnection hpCon = hp.openConnection();
hpCon.connect();
InputStream input = hpCon.getInputStream();
Log.d("input", "" + input);
BufferedReader r = new BufferedReader(new InputStreamReader(input));
String x = "";
x = r.readLine();
String total = "";
while (x != null) {
total += x;
x = r.readLine();
}
Log.d("URL", "" + total);
JSONObject jObject = new JSONObject(total);
JSONArray j = jObject.getJSONArray("userfeedback");
Log.d("URL1", "" + j);
for (int i = 0; i < j.length(); i++) {
JSONObject Obj = j.getJSONObject(i);
Restgetset temp = new Restgetset();
temp.setTitle(Obj.getString("username"));
temp.setAddress(Obj.getString("comment"));
temp.setRatting(Obj.getString("ratting"));
rest.add(temp);
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Error = e.getMessage();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Error = e.getMessage();
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Error = e.getMessage();
} catch (NullPointerException e) {
// TODO: handle exception
Error = e.getMessage();
}
}
public class LazyAdapter extends BaseAdapter {
private Activity activity;
private ArrayList<Restgetset> data;
private LayoutInflater inflater = null;
Typeface tf1 = Typeface.createFromAsset(Review.this.getAssets(),
"fonts/OpenSans-Regular.ttf");
String s;
public LazyAdapter(Activity a, ArrayList<Restgetset> str) {
activity = a;
data = str;
inflater = (LayoutInflater) activity
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return data.size();
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View vi = convertView;
if (convertView == null) {
// vi = inflater.inflate(R.layout.reviewcell, null);
String temp = bgName.get(position);
if (temp.equals("RED")) {
vi = inflater.inflate(R.layout.reviewcell, null);
} else if (temp.equals("BLUE")) {
vi = inflater.inflate(R.layout.reviewcell1, null);
} else if (temp.equals("GREEN")) {
vi = inflater.inflate(R.layout.reviewcell2, null);
}
}
try {
String namefirst = data.get(position).getTitle();
s = namefirst.substring(0, 1).toUpperCase();
TextView txt_first = (TextView) vi.findViewById(R.id.txt_first);
txt_first.setText("" + s);
} catch (StringIndexOutOfBoundsException e) {
// TODO: handle exception
}
TextView txt_name = (TextView) vi.findViewById(R.id.text_name);
txt_name.setText(data.get(position).getTitle());
txt_name.setTypeface(tf1);
TextView txt_comment = (TextView) vi.findViewById(R.id.txt_review);
txt_comment.setText(data.get(position).getAddress());
txt_comment.setTypeface(tf1);
try {
RatingBar rb = (RatingBar) vi.findViewById(R.id.rate1);
rb.setRating(Float.parseFloat(data.get(position).getRatting()));
} catch (NumberFormatException e) {
// TODO: handle exception
}
return vi;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.review, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item)
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}