无法创建电子表格

Question

这里是我的代码：

SpreadsheetService spreadsheet= new SpreadsheetService("v1"); 
    spreadsheet.setProtocolVersion(SpreadsheetService.Versions.V3); 

    try { 
     spreadsheet.setUserCredentials("username", "password"); 
     URL metafeedUrl = new URL("https://spreadsheets.google.com/feeds/spreadsheets/private/full"); 
     SpreadsheetFeed feed = spreadsheet.getFeed(metafeedUrl, SpreadsheetFeed.class); 

     List<SpreadsheetEntry> spreadsheets = feed.getEntries(); 
     for (SpreadsheetEntry service : spreadsheets) {    
      System.out.println(service.getTitle().getPlainText()); 
     } 
    } catch (AuthenticationException e) {   
     e.printStackTrace(); 
    } 

但它似乎并没有工作。它总是在电子表格的构造函数中崩溃。我使用这些库：

• GDATA，客户端1.0
• GDATA，客户荟萃1.0
• GDATA核-1.0
• GDATA，电子表格3.0
• GDATA，数据表单元3.0
• 番石榴13.0.1

谁能告诉我什么可以可能是错误的？

Answer 1

它在Spreadsheet的构造函数中崩溃？不是SpreadsheetService？ Spreadsheet的实例在哪里创建？我想可能是幕后的某个地方。无论如何，正如一位评论者所说，请检查logcat。如果你完全不知道它崩溃的地方（它应该告诉你，如果你阅读出现的文字墙），只要将logcat绝对放在任何地方都可以。

static final String MESSAGE = "SPREADSHEET TEST MESSAGE:"; 
SpreadsheetService spreadsheet= new SpreadsheetService("v1"); 
Log.d(MESSAGE, "spreadsheet was created successfully."); 
spreadsheet.setProtocolVersion(SpreadsheetService.Versions.V3); 
Log.d(MESSAGE, "setProtocolVersion done successfully."); 

try { 
    spreadsheet.setUserCredentials("username", "password"); 
    Log.d(MESSAGE, "set credentials worked."); 
    URL metafeedUrl = new URL("https://spreadsheets.google.com/feeds/spreadsheets/private/full"); 
    Log.d(MESSAGE, "metafeedUrl was created successfully."); 
    SpreadsheetFeed feed = spreadsheet.getFeed(metafeedUrl, SpreadsheetFeed.class); 
    Log.d(MESSAGE, "feed was created, too."); 
    List<SpreadsheetEntry> spreadsheets = feed.getEntries(); 
    Log.d(MESSAGE, "spreadsheets List was created successfully."); 
    for (SpreadsheetEntry service : spreadsheets) {    
     System.out.println(service.getTitle().getPlainText()); 
    } 
    Log.d(MESSAGE, "The for-loop worked."); 
} catch (AuthenticationException e) {   
    e.printStackTrace(); 
} 

它看起来很愚蠢，但你可以删除所有的信息，一旦它的工作。我通常只会做这种事情，如果我不知道所有圣洁的事情是什么，它应该产生更多的结果，而不只是盯着屏幕。

无论如何，看看它失败的地方，并从那里弄清楚。一旦你了解得更清楚，也许会问一个更清晰的问题。