Android ParseQueryAdapter未获取项目
我有一个ListView,我使用Parse.com获取数据,我使用ParseQueryAdapter获取ListView。但是我看不到适配器正在获取数据 这是我的密码Android ParseQueryAdapter未获取项目,android,parse-platform,Android,Parse Platform,我有一个ListView,我使用Parse.com获取数据,我使用ParseQueryAdapter获取ListView。但是我看不到适配器正在获取数据 这是我的密码 public class MainActivity extends ActionBarActivity { private ArrayList<Date> dateHeaders; private HashMap<Date,ArrayList<Sessions>> dateCo
public class MainActivity extends ActionBarActivity {
private ArrayList<Date> dateHeaders;
private HashMap<Date,ArrayList<Sessions>> dateContent;
private ParseQueryAdapter<Sessions> sessionsQueryAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.d("test", "query");
Parse.enableLocalDatastore(this);
Parse.initialize(this, "xxx", "xxx");
ParseObject.registerSubclass(Sessions.class);
//sessionHeaderFetch();
ParseQueryAdapter.QueryFactory<Sessions> factory = new ParseQueryAdapter.QueryFactory<Sessions>(){
@Override
public ParseQuery<Sessions> create() {
ParseQuery<Sessions> query = Sessions.getQuery();
query.include("sessionId");
query.include("Location");
Log.d("test", "query");
return query;
}
};
sessionsQueryAdapter = new ParseQueryAdapter<Sessions>(this, factory){
public View getItemView(Sessions sessions, View view, ViewGroup parent){
if(view == null){
view = View.inflate(getContext(), R.layout.session_list_item, null);
}
Log.d("test", "adapter");
TextView teamName = (TextView) view.findViewById(R.id.teamName);
TextView location = (TextView) view.findViewById(R.id.location);
TextView time = (TextView) view.findViewById(R.id.netsTime);
TextView slots = (TextView) view.findViewById(R.id.slots);
TextView bookedSlots = (TextView) view.findViewById(R.id.players);
TextView openSlots = (TextView) view.findViewById(R.id.openSlots);
teamName.setText(sessions.getSessionId());
location.setText(sessions.getLocation());
time.setText((CharSequence) sessions.getNetsDate());
slots.setText(sessions.getSlots());
bookedSlots.setText(sessions.getOpenSlots());
openSlots.setText(sessions.getOpenSlots());
return view;
}
};
sessionsQueryAdapter.setAutoload(false);
sessionsQueryAdapter.setPaginationEnabled(false);
ListView listView = (ListView) findViewById(R.id.expandableListView);
sessionsQueryAdapter.setTextKey("sessionId");
listView.setAdapter(sessionsQueryAdapter);
}
}
公共类MainActivity扩展了ActionBarActivity{
私有ArrayList日期头;
私有HashMap数据内容;
专用ParseQueryAdapter会话QueryAdapter;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.d(“测试”、“查询”);
enableLocalDatastore(this);
初始化(这是“xxx”,“xxx”);
ParseObject.registerSubclass(Sessions.class);
//sessionHeaderFetch();
ParseQueryAdapter.QueryFactory=新建ParseQueryAdapter.QueryFactory(){
@凌驾
公共ParseQuery创建(){
ParseQuery=Sessions.getQuery();
查询。包括(“sessionId”);
查询。包括(“位置”);
Log.d(“测试”、“查询”);
返回查询;
}
};
sessionsQueryAdapter=新的ParseQueryAdapter(此,工厂){
公共视图getItemView(会话、视图视图、视图组父级){
如果(视图==null){
视图=视图.充气(getContext(),R.layout.session\u list\u项,null);
}
Log.d(“测试”、“适配器”);
TextView teamName=(TextView)view.findViewById(R.id.teamName);
TextView位置=(TextView)view.findViewById(R.id.location);
TextView时间=(TextView)view.findViewById(R.id.netsTime);
TextView插槽=(TextView)view.findViewById(R.id.slots);
TextView bookedSlots=(TextView)view.findViewById(R.id.players);
TextView openSlots=(TextView)view.findviewbyd(R.id.openSlots);
teamName.setText(sessions.getSessionId());
setText(sessions.getLocation());
time.setText((CharSequence)sessions.getNetsDate());
slots.setText(sessions.getSlots());
bookedSlots.setText(sessions.getOpenSlots());
setText(sessions.getOpenSlots());
返回视图;
}
};
sessionsQueryAdapter.setAutoload(false);
SessionQueryAdapter.setPaginationEnabled(false);
ListView ListView=(ListView)findViewById(R.id.expandableListView);
sessionsQueryAdapter.setTextKey(“sessionId”);
setAdapter(sessionsQueryAdapter);
}
}
与其他getter和setter一样,我在解析模型类中也有以下方法
public static ParseQuery<Sessions> getQuery() {
Log.d("test", "inside query");
return ParseQuery.getQuery(Sessions.class);
}
publicstaticparsequerygetquery(){
Log.d(“测试”、“内部查询”);
返回ParseQuery.getQuery(Sessions.class);
}
解析类
@ParseClassName("Sessions")
public class Sessions extends ParseObject {
public Sessions(){
}
public String sessionId;
public String location;
public String netNo;
public String userId;
public int slots;
public int openSlots;
public Date netsDate;
public String getSessionId() {
return getString("SessionId");
}
public void setSessionId(String sessionId) {
put("SessionId", sessionId);
}
public String getLocation() {
return getString("Location");
}
public void setLocation(String location) {
put("Location", location);
}
public String getNetNo() {
return getString("NetNo");
}
public void setNetNo(String netNo) {
put("NetNo", netNo);
}
public String getUserId() {
return getString("UserId");
}
public void setUserId(String userId) {
put("UserId", userId);
}
public int getSlots() {
return getInt("Slots");
}
public void setSlots(int slots) {
put("Slots", slots);
}
public int getOpenSlots() {
return getInt("OpenSlots");
}
public void setOpenSlots(int openSlots) {
put("OpenSlots", openSlots);
}
public Date getNetsDate() {
return getDate("NetsDate");
}
public void setNetsDate(Date netsDate) {
put("NetsDate", netsDate);
}
public static ParseQuery<Sessions> getQuery() {
Log.d("test", "inside query");
return ParseQuery.getQuery(Sessions.class);
}
}
@ParseClassName(“会话”)
公共类会话扩展了ParseObject{
公开会议(){
}
公共字符串sessionId;
公共字符串位置;
公共字符串netNo;
公共字符串用户标识;
公共int插槽;
公共int开放式插槽;
公开日期;
公共字符串getSessionId(){
返回getString(“SessionId”);
}
public void setSessionId(字符串sessionId){
put(“SessionId”,SessionId);
}
公共字符串getLocation(){
返回getString(“位置”);
}
公共void集合位置(字符串位置){
放置(“位置”,位置);
}
公共字符串getNetNo(){
返回getString(“NetNo”);
}
公共void setNetNo(字符串netNo){
put(“NetNo”,NetNo);
}
公共字符串getUserId(){
返回getString(“UserId”);
}
public void setUserId(字符串userId){
put(“UserId”,UserId);
}
公共int getSlots(){
返回getInt(“插槽”);
}
公共无效设置槽(int槽){
放置(“插槽”,插槽);
}
public int getOpenSlots(){
返回getInt(“OpenSlots”);
}
public void setOpenSlots(int openSlots){
put(“OpenSlots”,OpenSlots);
}
公共日期getNetsDate(){
返回getDate(“NetsDate”);
}
公共无效设置netsDate(日期netsDate){
put(“NetsDate”,NetsDate);
}
公共静态ParseQuery getQuery(){
Log.d(“测试”、“内部查询”);
返回ParseQuery.getQuery(Sessions.class);
}
}
在聊天中与我共享代码后,我相信这是最适合您的解决方案:
将您的parseIO更改为:
public class ParseIO {
public void sessionFetch(Date headers, final ParseIOListener<Sessions> listener){
ParseQuery<Sessions> query = ParseQuery.getQuery(Sessions.class);
query.whereEqualTo("NetsDate",headers);
final ArrayList<Sessions> sessionsData = new ArrayList<Sessions>();
query.findInBackground(new FindCallback<Sessions>() {
@Override
public void done(List<Sessions> sessionsObjects, com.parse.ParseException e) {
if (e == null) {
for (Sessions session : sessionsObjects) {
sessionsData.add(session);
}
listener.onDataRetrieved(sessionsData);
} else {
listener.onDataRetrieveFail(e);
}
}
});
}
public void sessionHeaderFetch(final ParseIOListener<Date> listener){
Log.d("test", "session fetch entry");
ParseQuery<Sessions> query = ParseQuery.getQuery(Sessions.class);
final ArrayList<Date> sessionHeaders = new ArrayList<Date>();
query.findInBackground(new FindCallback<Sessions>() {
@Override
public void done(List<Sessions> sessionsObjects, com.parse.ParseException e) {
if (e == null) {
Log.d("test", "Retrieved -- hello" + sessionsObjects.size() + " sessions");
for (Sessions session : sessionsObjects) {
sessionHeaders.add(session.getNetsDate());
}
Log.d("test", "Parse fetched headers" + sessionHeaders.size());
listener.onDataRetrieved(sessionHeaders);
} else {
Log.d("test", "Error: " + e.getMessage());
listener.onDataRetrieveFail(e);
}
}
});
}
public interface ParseIOListener<T>{
void onDataRetrieved(ArrayList<T> listOfData);
void onDataRetrieveFail(ParseException e);
}
}
公共类解析{
public void sessionFetch(日期头,最终ParseIOListener侦听器){
ParseQuery=ParseQuery.getQuery(Sessions.class);
查询。whereEqualTo(“netdate”,标题);
最终ArrayList会话数据=新ArrayList();
query.findInBackground(新的FindCallback(){
@凌驾
public void done(列出sessionobjects,com.parse.ParseException e){
如果(e==null){
对于(会话:会话对象){
sessionsData.add(会话);
}
已检索listener.ondata(sessionsData);
}否则{
listener.onDataRetrieveFail(e);
}
}
});
}
public void sessionHeaderFetch(最终ParseIOListener侦听器){
Log.d(“测试”、“会话获取条目”);
ParseQuery=ParseQuery.getQuery(Sessions.class);
final ArrayList sessionHeaders=new ArrayList();
query.findInBackground(新的FindCallback(){
@凌驾
public void done(列出sessionobjects,com.parse.ParseException e){
如果(e==null){
d(“test”,“Retrieved--hello”+sessionsObjects.size()+“sessions”);
对于(会话:会话对象){
会话he
sessionHeaderFetch(new ParseIOListener<Date>() {
@Override
public void onDataRetrieved(ArrayList<Date> listOfData) {
//here you have your listOfData
}
@Override
public void onDataRetrieveFail(ParseException e) {
//error. Log it out and handle it here
}
});