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我正在为使用android studio的应用程序编写代码，至此我能够从Google电子表格中检索数据。 我用下面的代码：无法使用Android Studio更新Google电子表格API的行。
package com.example.tolotrasamuel.aluoneapp;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerException;
import android.app.Activity;
import android.content.Intent;
import android.os.AsyncTask;
import android.util.Log;
import com.google.gdata.client.spreadsheet.SpreadsheetService;
import com.google.gdata.data.spreadsheet.ListEntry;
import com.google.gdata.data.spreadsheet.ListFeed;
import com.google.gdata.data.spreadsheet.WorksheetEntry;
import com.google.gdata.data.spreadsheet.WorksheetFeed;
import com.google.gdata.util.AuthenticationException;
import com.google.gdata.util.ServiceException;
public class GetDataAsyncTask extends AsyncTask<Activity, Void, Void> {
Activity myActivity;
@Override
protected Void doInBackground(Activity... arg0) {
// TODO Auto-generated method stub
myActivity = arg0[0];
try {
getData();
} catch (AuthenticationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ServiceException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (URISyntaxException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
String xmlString = XMLCreator.CreateSpreadSheetToXML();
FileOperations.StoreData(xmlString);
// Log.d("hello",xmlString);
} catch (ParserConfigurationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (TransformerException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void result) {
// TODO Auto-generated method stub
Intent i = new Intent(myActivity.getApplicationContext(),TransApp.class);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
myActivity.startActivity(i);
myActivity.overridePendingTransition(0, 0);
myActivity.finish();
}
private void getData() throws AuthenticationException,
MalformedURLException, IOException, ServiceException,
URISyntaxException {
// TODO Auto-generated method stub
SpreadsheetService service = new SpreadsheetService(
"MySpreadsheetIntegration-v1");
service.setProtocolVersion(SpreadsheetService.Versions.V3);
URL SPREADSHEET_URL = new URL(
"https://spreadsheets.google.com/feeds/worksheets/1ZNbR2eECA3PX9RSfFw7R0H50JpALJC50CQLSvvS-ySw/public/full");
WorksheetFeed feed = service.getFeed(SPREADSHEET_URL,
WorksheetFeed.class);
List<WorksheetEntry> worksheets = feed.getEntries();
WorksheetEntry worksheet = worksheets.get(0);
Log.d("hello", "Worksheet name is "
+ worksheet.getTitle().getPlainText());
// URL listFeedUrl = worksheet.getListFeedUrl();
URL listFeedUrl = new URI(worksheet.getListFeedUrl().toString())
.toURL();
Log.d("hello", "URL is \n " + listFeedUrl.toString());
ListFeed listFeed = service.getFeed(listFeedUrl, ListFeed.class);
ArrayList<String> CategoryArray = new ArrayList<String>();
ArrayList<String> ShuttleArray = new ArrayList<String>();
ArrayList<String> Email1_Array = new ArrayList<String>();
ArrayList<String> Email2_Array = new ArrayList<String>();
ArrayList<String> RouteArray = new ArrayList<String>();
ArrayList<String> TimeArray = new ArrayList<String>();
ArrayList<String> S_No_Array = new ArrayList<String>();
ArrayList<String> Off1_Array = new ArrayList<String>();
ArrayList<String> Cohort_Array = new ArrayList<String>();
ArrayList<String> NumberStud_Array = new ArrayList<String>();
ArrayList<String> Res2_Array = new ArrayList<String>();
ArrayList<String> Mob1_Array = new ArrayList<String>();
ArrayList<String> Mob2_Array = new ArrayList<String>();
ArrayList<String> Tag_Array = new ArrayList<String>();
ArrayList<String> Day_Array = new ArrayList<String>();
ListEntry TempList = listFeed.getEntries().get(0);
for(String tag:TempList.getCustomElements().getTags()){
Tag_Array.add(tag);
}
for (ListEntry row : listFeed.getEntries()) {
for (String tag : row.getCustomElements().getTags()) {
if (tag.equals("s.no.")) {
S_No_Array.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("route")) {
RouteArray.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("time")) {
TimeArray.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("category")) {
CategoryArray.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("shuttle")) {
ShuttleArray.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("o1")) {
Off1_Array.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("cohort")) {
Cohort_Array.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("numberofstudents")) {
NumberStud_Array.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("r2")) {
Res2_Array.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("m1")) {
Mob1_Array.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("m2")) {
Mob2_Array.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("e1")) {
Email1_Array.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("e2")) {
Email2_Array.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
if (tag.equals("day")) {
Day_Array.add(ProperValue(row.getCustomElements()
.getValue(tag)));
}
}
}
XMLParserClass.CategoryArray = CategoryArray;
XMLParserClass.ShuttleArray = ShuttleArray;
XMLParserClass.Email1_Array = Email1_Array;
XMLParserClass.Email2_Array = Email2_Array;
XMLParserClass.RouteArray = RouteArray;
XMLParserClass.Off1_Array = Off1_Array;
XMLParserClass.Cohort_Array = Cohort_Array;
XMLParserClass.TimeArray = TimeArray;
XMLParserClass.NumberStud_Array = NumberStud_Array;
XMLParserClass.Res2_Array = Res2_Array;
XMLParserClass.Mob1_Array = Mob1_Array;
XMLParserClass.Mob2_Array = Mob2_Array;
XMLParserClass.Tag_Array = Tag_Array;
XMLParserClass.Day_Array = Day_Array;
}
public String ProperValue(String input) {
if (input == null) {
return new String("");
} else {
return input;
}
}
}
这完美的作品，但是当我试图编辑电子表格的行，它给了我一个错误： 我用下面的代码：
package com.example.tolotrasamuel.newapispreadsheet;
import android.app.Activity;
import android.content.Intent;
import android.os.AsyncTask;
import android.util.Log;
import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.gdata.client.spreadsheet.*;
import com.google.gdata.data.spreadsheet.*;
import com.google.gdata.util.*;
import java.io.File;
import java.io.IOException;
import java.net.*;
import java.security.GeneralSecurityException;
import java.util.*;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerException;
/**
* Created by Tolotra Samuel on 23/08/2016.
*/
public class SisUpdateMe extends AsyncTask<Activity, Object, Void> {
Activity myActivity;
@Override
protected Void doInBackground(Activity... arg0) {
// TODO Auto-generated method stub
myActivity = arg0[0];
try {
updateaction();
} catch (AuthenticationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ServiceException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (URISyntaxException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
public static void updateaction()
throws AuthenticationException, MalformedURLException, IOException, ServiceException,URISyntaxException {
SpreadsheetService service =
new SpreadsheetService("MySpreadsheetIntegration-v1");
service.setProtocolVersion(SpreadsheetService.Versions.V3);
File p12 = new File("./key.p12");
HttpTransport httpTransport = new NetHttpTransport();
JacksonFactory jsonFactory = new JacksonFactory();
String[] SCOPESArray = {"https://spreadsheets.google.com/feeds", "https://spreadsheets.google.com/feeds/1En7qJ5aG2U9fEMSoh-wW1FXoqzNWQfMB4v6-vcN5pVg/private/full", "https://docs.google.com/feeds"};
final List SCOPES = Arrays.asList(SCOPESArray);
GoogleCredential credential = null;
try {
credential = new GoogleCredential.Builder()
.setTransport(httpTransport)
.setJsonFactory(jsonFactory)
.setServiceAccountId("732698423440-ucindhfeddmul5f2dmp42kuv18r3mecq.apps.googleusercontent.com")
.setServiceAccountScopes(SCOPES)
.setServiceAccountPrivateKeyFromP12File(p12)
.build();
} catch (GeneralSecurityException e) {
e.printStackTrace();
}
service.setOAuth2Credentials(credential);
// TODO: Authorize the service object for a specific user (see other sections)
// Define the URL to request. This should never change.
URL SPREADSHEET_FEED_URL = new URL(
"https://spreadsheets.google.com/feeds/worksheets/1En7qJ5aG2U9fEMSoh-wW1FXoqzNWQfMB4v6-vcN5pVg/private/full");
WorksheetFeed worksheetFeed = service.getFeed(
SPREADSHEET_FEED_URL, WorksheetFeed.class);
List<WorksheetEntry> worksheets = worksheetFeed.getEntries();
WorksheetEntry worksheet = worksheets.get(0);
Log.d("hello", "Worksheet name is "
+ worksheet.getTitle().getPlainText());
// Fetch the list feed of the worksheet.
URL listFeedUrl = new URI(worksheet.getListFeedUrl().toString())
.toURL();
Log.d("hello", "URL is \n " + listFeedUrl.toString());
ListFeed listFeed = service.getFeed(listFeedUrl, ListFeed.class);
// TODO: Choose a row more intelligently based on your app's needs.
ListEntry row = listFeed.getEntries().get(0);
// Update the row's data.
row.getCustomElements().setValueLocal("route", "Sarah");
row.getCustomElements().setValueLocal("day", "Hunt");
row.getCustomElements().setValueLocal("shuttle", "32");
row.getCustomElements().setValueLocal("category", "154");
// Save the row using the API.
row.update();
}
}
我不知道我在哪里做错了。我认为这是验证问题。 如果你能帮忙，我会很高兴。