終止應用程序由於未捕獲的異常 'NSInvalidArgumentException'，原因：「 - [QBDDXMLElement attributeFloatValueForName：withDefaultValue：]：

Question

- (void)completedWithResult:(Result *)result{ 
    // QuickBlox session creation result 
    if([result isKindOfClass:[QBAAuthSessionCreationResult class]]){ 

     // Success result 
     if(result.success){ 

      // Set QuickBlox Chat delegate 
      // 
      [QBChat instance].delegate = self; 

      QBUUser *user = [QBUUser user]; 
      user.ID = ((QBAAuthSessionCreationResult *)result).session.userID; 
      user.password = @"password"; 


      // Login to QuickBlox Chat 

      [[QBChat instance] loginWithUser:user]; 
     } 
     else 
     { 

      UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error" message:[[result errors] description] delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil]; 
      [alert show]; 
     } 
    } 
} 

- [QBDDXMLElement attributeFloatValueForName：withDefaultValue：]：無法識別的選擇發送到實例0x96c4fe0 2013年12月10日16：06：46.716 QUickBloxTestApp [5990：3907] 終止應用程序由於未捕獲的異常 'NSInvalidArgumentException'，原因： ' - [QBDDXMLElement attributeFloatValueForName：withDefaultValue：]：無法識別的選擇發送到實例0x96c4fe0' *

應用崩潰當它調用[[QBChat instanc e] loginWithUser：user];

Answer 1

查閱本指南http://quickblox.com/developers/IOS-how-to-connect-Quickblox-framework

您似乎忘記添加一些框架，如的libxml，libresolv庫，libz進行左右