我收到了令牌语法错误，AnnotationName 预期出现在以下行：
query.findInBackground(new FindCallback<ParseUser>() {
一段时间以来我一直在尝试排除故障，但仍然遇到困难。
下面是我的完整代码
public class Fragment1 extends Fragment {
public interface Constants {
String LOG = "com.dooba.beta";
}
private String currentUserId;
private ArrayAdapter<String> namesArrayAdapter;
private ArrayList<String> names;
private ArrayList<Images> alProfilePicture;
private ListView usersListView;
private Button logoutButton;
String userGender = ParseUser.getCurrentUser().getString("Gender");
String activityName = ParseUser.getCurrentUser().getString("ActivityName");
Number maxDistance = ParseUser.getCurrentUser().getNumber("Maximum_Distance");
String userLookingGender = ParseUser.getCurrentUser().getString("Looking_Gender");
Number minimumAge = ParseUser.getCurrentUser().getNumber("Minimum_Age");
Number maximumAge = ParseUser.getCurrentUser().getNumber("Maximum_Age");
Number userage = ParseUser.getCurrentUser().getNumber("Age");
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setConversationsList();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment1_layout, container, false);
return view;
}
private void setConversationsList() {
currentUserId = ParseUser.getCurrentUser().getObjectId();
names = new ArrayList<String>();
alProfilePicture = new ArrayList<Images>();
// String userActivitySelectionName = null;
ParseQuery<ParseUser> query = ParseUser.getQuery();
// query.whereEqualTo("ActivityName",userActivitySelectionName);
query.whereNotEqualTo("objectId", ParseUser.getCurrentUser().getObjectId());
// users with Gender = currentUser.Looking_Gender
query.whereEqualTo("Gender", userLookingGender);
// users with Looking_Gender = currentUser.Gender
query.whereEqualTo("Looking_Gender", userGender);
query.setLimit(1);
query.whereEqualTo("ActivityName", activityName);
//query.whereGreaterThanOrEqualTo("Age", minimumAge);
//query.whereLessThanOrEqualTo("Age", maximumAge);
query.orderByDescending("Name");
Log.d(Constants.LOG, "");
query.findInBackground(new FindCallback() {
@Override
public void done(java.util.List<ParseObject> objects,
ParseException e) {
ParseQuery<ParseObject> query = ParseQuery.getQuery("User");
ParseFile image = object.getParseFile("ProfilePicture");
ParseImageView imageView = (ParseImageView) getView().findViewById(R.id.profilePictureResult);
// The placeholder will be used before and during the fetch, to be replaced by the fetched image
// data.
imageView.setPlaceholder(getResources().getDrawable(R.drawable.profile_pict));
imageView.setParseFile(image);
imageView.loadInBackground(new GetDataCallback() {
@Override
public void done(byte[] data, ParseException e) {
Log.i("ParseImageView",
"Fetched! Data length: " + data.length + ", or exception: " + e.getMessage());
}
});
}
query.findInBackground(new FindCallback<ParseUser>() {
public void done(List<ParseUser> userlistname, ParseException e) {
if (e == null) {
for (int i=0; i<userlistname.size(); i++) {
names.add(userlistname.get(i).get("Name").toString());
// names.add(userList.get(i).getParseObject("ProfilePicture").;
}
usersListView = (ListView)getActivity().findViewById(R.id.userlistname);
namesArrayAdapter =
new ArrayAdapter<String>(getActivity().getApplicationContext(),
R.layout.user_list_item, names);
usersListView.setAdapter(namesArrayAdapter);
usersListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a, View v, int i, long l) {
openConversation(names, i);
}
});
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error loading user list",
Toast.LENGTH_LONG).show();
}
}
});
}
public void openConversation(ArrayList<String> names, int pos) {
ParseQuery<ParseUser> query = ParseUser.getQuery();
query.whereEqualTo("Name", names.get(pos));
query.findInBackground(new FindCallback<ParseUser>() {
public void done(List<ParseUser> user, ParseException e) {
if (e == null) {
Intent intent = new Intent(getActivity().getApplicationContext(), MessagingActivity.class);
intent.putExtra("RECIPIENT_ID", user.get(0).getObjectId());
startActivity(intent);
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error finding that user",
Toast.LENGTH_SHORT).show();
}
}
});
}
}
预先感谢，祝一切顺利。
Update
In response to Rod_Algonquin
In response to Haresh
Update 2
code
public class Fragment1 extends Fragment {
public interface Constants {
String LOG = "com.dooba.beta";
}
private String currentUserId;
private ArrayAdapter<String> namesArrayAdapter;
private ArrayList<String> names;
private ArrayList<Images> alProfilePicture;
private ListView usersListView;
private Button logoutButton;
String userGender = ParseUser.getCurrentUser().getString("Gender");
String activityName = ParseUser.getCurrentUser().getString("ActivityName");
Number maxDistance = ParseUser.getCurrentUser().getNumber("Maximum_Distance");
String userLookingGender = ParseUser.getCurrentUser().getString("Looking_Gender");
Number minimumAge = ParseUser.getCurrentUser().getNumber("Minimum_Age");
Number maximumAge = ParseUser.getCurrentUser().getNumber("Maximum_Age");
Number userage = ParseUser.getCurrentUser().getNumber("Age");
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setConversationsList();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment1_layout, container, false);
return view;
}
private void setConversationsList() {
currentUserId = ParseUser.getCurrentUser().getObjectId();
names = new ArrayList<String>();
alProfilePicture = new ArrayList<Images>();
// String userActivitySelectionName = null;
ParseQuery<ParseUser> query = ParseUser.getQuery();
// query.whereEqualTo("ActivityName",userActivitySelectionName);
query.whereNotEqualTo("objectId", ParseUser.getCurrentUser().getObjectId());
// users with Gender = currentUser.Looking_Gender
query.whereEqualTo("Gender", userLookingGender);
// users with Looking_Gender = currentUser.Gender
query.whereEqualTo("Looking_Gender", userGender);
query.setLimit(1);
query.whereEqualTo("ActivityName", activityName);
//query.whereGreaterThanOrEqualTo("Age", minimumAge);
//query.whereLessThanOrEqualTo("Age", maximumAge);
query.orderByDescending("Name");
Log.d(Constants.LOG, "");
query.findInBackground(new FindCallback<ParseObject>() {
public void done(ParseObject object,ParseException e) {
ParseQuery<ParseObject> query = ParseQuery.getQuery("User");
ParseFile image = object.getParseFile("ProfilePicture");
ParseImageView imageView = (ParseImageView) getView().findViewById(R.id.profilePictureResult);
// The placeholder will be used before and during the fetch, to be replaced by the fetched image
// data.
imageView.setPlaceholder(getResources().getDrawable(R.drawable.profile_pict));
imageView.setParseFile(image);
imageView.loadInBackground(new GetDataCallback() {
@Override
public void done(byte[] data, ParseException e) {
Log.i("ParseImageView",
"Fetched! Data length: " + data.length + ", or exception: " + e.getMessage());
}
});
}
@Override
public void done(List<ParseObject> objects, ParseException e) {
// TODO Auto-generated method stub
}});
query.findInBackground(new FindCallback<ParseUser>() {
public void done(List<ParseUser> userlistname, ParseException e) {
if (e == null) {
for (int i=0; i<userlistname.size(); i++) {
names.add(userlistname.get(i).get("Name").toString());
}
usersListView = (ListView)getActivity().findViewById(R.id.userlistname);
namesArrayAdapter =
new ArrayAdapter<String>(getActivity().getApplicationContext(),
R.layout.user_list_item, names);
usersListView.setAdapter(namesArrayAdapter);
usersListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a, View v, int i, long l) {
openConversation(names, i);
}
});
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error loading user list",
Toast.LENGTH_LONG).show();
}
}
});
}
public void openConversation(ArrayList<String> names, int pos) {
ParseQuery<ParseUser> query = ParseUser.getQuery();
query.whereEqualTo("Name", names.get(pos));
query.findInBackground(new FindCallback<ParseUser>() {
public void done(List<ParseUser> user, ParseException e) {
if (e == null) {
Intent intent = new Intent(getActivity().getApplicationContext(), MessagingActivity.class);
intent.putExtra("RECIPIENT_ID", user.get(0).getObjectId());
startActivity(intent);
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error finding that user",
Toast.LENGTH_SHORT).show();
}
}
});
}
}
Update:
更新代码4
我遇到 2 个问题： 1）对象无法解析
2）
下面的错误只是黄色下划线，但在 Activity 加载时不会呈现The method done1(List<ParseUser>, ParseException) from the type new FindCallback<ParseUser>(){} is never used locally
update 5
public class Fragment1 extends Fragment {
public interface Constants {
String LOG = "com.dooba.beta";
}
private String currentUserId;
private ArrayAdapter<String> namesArrayAdapter;
private ArrayList<String> names;
private ArrayList<String> age;
private ArrayList<String> headline;
private ArrayList<String> activityname;
private ArrayList<Images> alProfilePicture;
private ListView usersListView;
private Button logoutButton;
String userGender = ParseUser.getCurrentUser().getString("Gender");
String activityName = ParseUser.getCurrentUser().getString("ActivityName");
Number maxDistance = ParseUser.getCurrentUser().getNumber(
"Maximum_Distance");
String userLookingGender = ParseUser.getCurrentUser().getString(
"Looking_Gender");
Number minimumAge = ParseUser.getCurrentUser().getNumber("Minimum_Age");
Number maximumAge = ParseUser.getCurrentUser().getNumber("Maximum_Age");
Number userage = ParseUser.getCurrentUser().getNumber("Age");
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setConversationsList();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment1_layout, container,
false);
return view;
}
private void setConversationsList() {
currentUserId = ParseUser.getCurrentUser().getObjectId();
names = new ArrayList<String>();
age = new ArrayList<String>();
headline = new ArrayList<String>();
activityname = new ArrayList<String>();
alProfilePicture = new ArrayList<Images>();
// String userActivitySelectionName = null;
ParseQuery<ParseUser> query = ParseUser.getQuery();
// query.whereEqualTo("ActivityName",userActivitySelectionName);
query.whereNotEqualTo("objectId", ParseUser.getCurrentUser()
.getObjectId());
// users with Gender = currentUser.Looking_Gender
query.whereEqualTo("Gender", userLookingGender);
// users with Looking_Gender = currentUser.Gender
query.whereEqualTo("Looking_Gender", userGender);
query.setLimit(1);
query.whereEqualTo("ActivityName", activityName);
// query.whereGreaterThanOrEqualTo("Age", minimumAge);
// query.whereLessThanOrEqualTo("Age", maximumAge);
query.orderByDescending("Name");
Log.d(Constants.LOG, "");
query.findInBackground(new FindCallback<ParseUser>() {
@Override
public void done(List<ParseUser> users,ParseException e) {
// Do whatever you need to extract object from "users"
ParseQuery<ParseObject> query = ParseQuery.getQuery("User");
ParseFile image = object.getParseFile("ProfilePicture");
ParseImageView imageView = (ParseImageView) getView().findViewById(R.id.profilePictureResult);
// The placeholder will be used before and during the fetch, to be replaced by the fetched image
// data.
imageView.setPlaceholder(getResources().getDrawable(R.drawable.profile_pict));
imageView.setParseFile(image);
imageView.loadInBackground(new GetDataCallback() {
@Override
public void done(byte[] data, ParseException e) {
Log.i("ParseImageView",
"Fetched! Data length: " + data.length + ", or exception: " + e.getMessage());
}
});
}
});
query.findInBackground(new FindCallback<ParseUser>() {
public void done(List<ParseUser> userlistname, ParseException e) {
if (e == null) {
for (int i = 0; i < userlistname.size(); i++) {
names.add(userlistname.get(i).get("Name").toString());
}
usersListView = (ListView) getActivity().findViewById(
R.id.userlistname);
namesArrayAdapter = new ArrayAdapter<String>(getActivity()
.getApplicationContext(), R.layout.user_list_item,
names);
usersListView.setAdapter(namesArrayAdapter);
usersListView
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a,
View v, int i, long l) {
openConversation(names, i);
}
});
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error loading user list", Toast.LENGTH_LONG)
.show();
}
}
});
}
query.findInBackground(new FindCallback<ParseUser>() {
public void done(List<ParseUser> userlistheadline, ParseException e) {
if (e == null) {
for (int i = 0; i < userlistheadline.size(); i++) {
headline.add(userlistheadline.get(i).get("Headline")
.toString());
}
usersListView = (ListView) getActivity().findViewById(
R.id.userlistheadline);
namesArrayAdapter = new ArrayAdapter<String>(getActivity()
.getApplicationContext(), R.layout.user_list_all,
headline);
usersListView.setAdapter(namesArrayAdapter);
usersListView
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a,
View v, int i, long l) {
openConversation(names, i);
}
});
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error loading user list", Toast.LENGTH_LONG)
.show();
}
}
});
}
query.findInBackground(new FindCallback<ParseUser>() {
public void done2(List<ParseUser> userlistage, ParseException e) {
if (e == null) {
for (int i = 0; i < userlistage.size(); i++) {
age.add(userlistage.get(i).get("Age").toString());
}
usersListView = (ListView) getActivity().findViewById(
R.id.userlistage);
namesArrayAdapter = new ArrayAdapter<String>(getActivity()
.getApplicationContext(), R.layout.user_list_item,
age);
usersListView.setAdapter(namesArrayAdapter);
usersListView
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a,
View v, int i, long l) {
openConversation(names, i);
}
});
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error loading user list", Toast.LENGTH_LONG)
.show();
}
}
});
}
query.findInBackground(new FindCallback<ParseUser>() {
public void done3(List<ParseUser> userlistactivity, ParseException e) {
if (e == null) {
for (int i = 0; i < userlistactivity.size(); i++) {
activityname.add(userlistactivity.get(i)
.get("ActivityName").toString());
}
usersListView = (ListView) getActivity().findViewById(
R.id.userlistactivityname);
namesArrayAdapter = new ArrayAdapter<String>(getActivity()
.getApplicationContext(), R.layout.user_list_item,
activityname);
usersListView.setAdapter(namesArrayAdapter);
usersListView
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a,
View v, int i, long l) {
openConversation(names, i);
}
});
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error loading user list", Toast.LENGTH_LONG)
.show();
}
}
});
}
public void openConversation(ArrayList<String> names, int pos) {
ParseQuery<ParseUser> query = ParseUser.getQuery();
query.whereEqualTo("Name", names.get(pos));
query.findInBackground(new FindCallback<ParseUser>() {
public void done(List<ParseUser> user, ParseException e) {
if (e == null) {
Intent intent = new Intent(getActivity()
.getApplicationContext(), MessagingActivity.class);
intent.putExtra("RECIPIENT_ID", user.get(0).getObjectId());
startActivity(intent);
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error finding that user", Toast.LENGTH_SHORT)
.show();
}
}
});
}
}
任何帮助都会非常有用
尝试替换此代码，希望这能帮助您解决问题。
public class Fragment1 extends Fragment {
public interface Constants {
String LOG = "com.dooba.beta";
}
private String currentUserId;
private ArrayAdapter<String> namesArrayAdapter;
private ArrayList<String> names;
private ArrayList<String> age;
private ArrayList<String> headline;
private ArrayList<String> activityname;
private ArrayList<Images> alProfilePicture;
private ListView usersListView;
private Button logoutButton;
String userGender = ParseUser.getCurrentUser().getString("Gender");
String activityName = ParseUser.getCurrentUser().getString("ActivityName");
Number maxDistance = ParseUser.getCurrentUser().getNumber(
"Maximum_Distance");
String userLookingGender = ParseUser.getCurrentUser().getString(
"Looking_Gender");
Number minimumAge = ParseUser.getCurrentUser().getNumber("Minimum_Age");
Number maximumAge = ParseUser.getCurrentUser().getNumber("Maximum_Age");
Number userage = ParseUser.getCurrentUser().getNumber("Age");
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setConversationsList();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment1_layout, container,
false);
return view;
}
private void setConversationsList() {
currentUserId = ParseUser.getCurrentUser().getObjectId();
names = new ArrayList<String>();
age = new ArrayList<String>();
headline = new ArrayList<String>();
activityname = new ArrayList<String>();
alProfilePicture = new ArrayList<Images>();
// String userActivitySelectionName = null;
ParseQuery<ParseUser> query = ParseUser.getQuery();
// query.whereEqualTo("ActivityName",userActivitySelectionName);
query.whereNotEqualTo("objectId", ParseUser.getCurrentUser()
.getObjectId());
// users with Gender = currentUser.Looking_Gender
query.whereEqualTo("Gender", userLookingGender);
// users with Looking_Gender = currentUser.Gender
query.whereEqualTo("Looking_Gender", userGender);
query.setLimit(1);
query.whereEqualTo("ActivityName", activityName);
// query.whereGreaterThanOrEqualTo("Age", minimumAge);
// query.whereLessThanOrEqualTo("Age", maximumAge);
query.orderByDescending("Name");
Log.d(Constants.LOG, "");
ParseQuery<ParseObject> queryo = ParseQuery.getQuery("User");
queryo.whereNotEqualTo("objectId", ParseUser.getCurrentUser()
.getObjectId());
// users with Gender = currentUser.Looking_Gender
queryo.whereEqualTo("Gender", userLookingGender);
// users with Looking_Gender = currentUser.Gender
queryo.whereEqualTo("Looking_Gender", userGender);
queryo.setLimit(1);
queryo.whereEqualTo("ActivityName", activityName);
// query.whereGreaterThanOrEqualTo("Age", minimumAge);
// query.whereLessThanOrEqualTo("Age", maximumAge);
queryo.orderByDescending("Name");
queryo.findInBackground(new FindCallback<ParseObject>() {
@Override
public void done(List<ParseObject> object, ParseException e) {
// TODO Auto-generated method stub
ParseFile image = object.getParseFile("ProfilePicture");
ParseImageView imageView = (ParseImageView) getView()
.findViewById(R.id.profilePictureResult);
// The placeholder will be used before and during the fetch, to
// be replaced by the fetched image
// data.
imageView.setPlaceholder(getResources().getDrawable(
R.drawable.profile_pict));
imageView.setParseFile(image);
imageView.loadInBackground(new GetDataCallback() {
@Override
public void done(byte[] data, ParseException e) {
Log.i("ParseImageView",
"Fetched! Data length: " + data.length
+ ", or exception: " + e.getMessage());
}
});
}
});
query.findInBackground(new FindCallback<ParseUser>() {
public void done(List<ParseUser> userlistname, ParseException e) {
if (e == null) {
for (int i = 0; i < userlistname.size(); i++) {
names.add(userlistname.get(i).get("Name").toString());
}
usersListView = (ListView) getActivity().findViewById(
R.id.userlistname);
namesArrayAdapter = new ArrayAdapter<String>(getActivity()
.getApplicationContext(), R.layout.user_list_item,
names);
usersListView.setAdapter(namesArrayAdapter);
usersListView
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a,
View v, int i, long l) {
openConversation(names, i);
}
});
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error loading user list", Toast.LENGTH_LONG)
.show();
}
}
public void done1(List<ParseUser> userlistheadline, ParseException e) {
if (e == null) {
for (int i = 0; i < userlistheadline.size(); i++) {
headline.add(userlistheadline.get(i).get("Headline")
.toString());
}
usersListView = (ListView) getActivity().findViewById(
R.id.userlistheadline);
namesArrayAdapter = new ArrayAdapter<String>(getActivity()
.getApplicationContext(), R.layout.user_list_all,
headline);
usersListView.setAdapter(namesArrayAdapter);
usersListView
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a,
View v, int i, long l) {
openConversation(names, i);
}
});
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error loading user list", Toast.LENGTH_LONG)
.show();
}
}
public void done2(List<ParseUser> userlistage, ParseException e) {
if (e == null) {
for (int i = 0; i < userlistage.size(); i++) {
age.add(userlistage.get(i).get("Age").toString());
}
usersListView = (ListView) getActivity().findViewById(
R.id.userlistage);
namesArrayAdapter = new ArrayAdapter<String>(getActivity()
.getApplicationContext(), R.layout.user_list_item,
age);
usersListView.setAdapter(namesArrayAdapter);
usersListView
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a,
View v, int i, long l) {
openConversation(names, i);
}
});
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error loading user list", Toast.LENGTH_LONG)
.show();
}
}
public void done3(List<ParseUser> userlistactivity, ParseException e) {
if (e == null) {
for (int i = 0; i < userlistactivity.size(); i++) {
activityname.add(userlistactivity.get(i)
.get("ActivityName").toString());
}
usersListView = (ListView) getActivity().findViewById(
R.id.userlistactivityname);
namesArrayAdapter = new ArrayAdapter<String>(getActivity()
.getApplicationContext(), R.layout.user_list_item,
activityname);
usersListView.setAdapter(namesArrayAdapter);
usersListView
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a,
View v, int i, long l) {
openConversation(names, i);
}
});
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error loading user list", Toast.LENGTH_LONG)
.show();
}
}
});
}
public void openConversation(ArrayList<String> names, int pos) {
ParseQuery<ParseUser> query = ParseUser.getQuery();
query.whereEqualTo("Name", names.get(pos));
query.findInBackground(new FindCallback<ParseUser>() {
public void done(List<ParseUser> user, ParseException e) {
if (e == null) {
Intent intent = new Intent(getActivity()
.getApplicationContext(), MessagingActivity.class);
intent.putExtra("RECIPIENT_ID", user.get(0).getObjectId());
startActivity(intent);
} else {
Toast.makeText(getActivity().getApplicationContext(),
"Error finding that user", Toast.LENGTH_SHORT)
.show();
}
}
});
}
}