我有下表中Back4App(解析)Android的解析指针返回空数据
匹配:ID(字符串),MAXPLAYERS(智力),运动(的parseObject)
问题是,当我尝试有时会得到所有的匹配对象(我不知道为什么有时候会跑,其他人不会跑)我得到的运动分析对象没有数据。其他时间,正如我所说的,我认为对象是正确的。这里是代码:
public String saveMatch(Match match) throws ParseException {
ParseObject parseObject = new ParseObject("match");
parseObject.put(COLUMN_MAX_PLAYERS, match.getMaxPlayer());
//ParseObject sport = new ParseObject("Sport");
//sport.setObjectId(match.getSport().getId());
//parseObject.put("sport", sport);
//I change to the next code but the problem continue.
ParseObject sport = ParseObject.createWithoutData(TableSport.TABLE_NAME,match.getSport().getId());
parseObject.put(COLUMN_SPORT, sport);
parseObject.save();
return parseObject.getObjectId();
}
@Override
public ArrayList<Match> getAllMatches() throws ParseException, ParseObjectException {
ParseQuery<ParseObject> query = ParseQuery.getQuery(TABLE_NAME);
List<ParseObject> objects = query.find();
return parseAllObjectsToMatchList(objects);
}
private ArrayList<Match> parseAllObjectsToMatchList(List<ParseObject> objects) throws ParseException, ParseObjectException {
ArrayList<Match> matches = new ArrayList<>();
for (int i = 0; i < objects.size(); i++){
matches.add(parseObjectToMatch(objects.get(i)));
}
return matches;
}
private Match parseObjectToMatch(ParseObject object) throws ParseException, ParseObjectException {
try{
Match match = new Match();
match.setId(object.getObjectId());
match.setMaxPlayer(object.getInt(COLUMN_MAX_PLAYERS));
ParseObject objectSport = object.getParseObject(COLUMN_SPORT);
if(objectSport!= null){
Sport sport = (sportDatabaseManager.parseObjectToSport(objectSport));
match.setSport(sport);
}
return match;
}catch (Exception e){
throw new ParseObjectException();
}
}
private Sport parseObjectToSport(ParseObject parseObject) throws ParseObjectException {
try{
ParseFile parseFile = parseObject.getParseFile(TableSport.COLUMN_IMAGE);
Sport sport = new Sport();
sport.setId(parseObject.getObjectId());
sport.setName(parseObject.getString(TableSport.COLUMN_NAME));
sport.setSumary(parseObject.getString(TableSport.COLUMN_SUMARY));
sport.setDescription(parseObject.getString(TableSport.COLUMN_DESCRIPTION));
sport.setImage(parseFile.getUrl());
return sport;
}catch (Exception e){
throw new ParseObjectException();
}
}
fetchIfNeeded()返回的对象,但它是空的。没有估计的数据。有没有解决方案 – Charu