extra argument 'error' in callというエラーが解決できません。
以下のコードの、
swift
1 let results: NSArray! = memoContext.executeFetchRequest(memoRequest, error: nil)
の部分でエラーが出ています。
Xcode7.1でswift2を使用しています。
どのように書き換えたら解決できますでしょうか。
swift
1import UIKit 2import CoreData 3 4class ViewController: UIViewController { 5 6 var memoField: UITextField! 7 8 var memos: [NSString] = [] 9 var dates: [NSDate] = [] 10 11 12 override func viewDidLoad() { 13 super.viewDidLoad() 14 15 // text field 16 memoField = UITextField(frame: CGRectMake(100, 100, 200, 30)) 17 memoField.borderStyle = UITextBorderStyle.RoundedRect 18 self.view.addSubview(memoField) 19 20 // write button 21 let writeBtn: UIButton = UIButton(frame: CGRectMake(100, 150, 200, 30)) 22 writeBtn.backgroundColor = UIColor.magentaColor() 23 writeBtn.setTitle("write", forState: UIControlState.Normal) 24 writeBtn.addTarget(self, action: "writeData", forControlEvents: UIControlEvents.TouchUpInside) 25 self.view.addSubview(writeBtn) 26 27 // read button 28 let readBtn: UIButton = UIButton(frame: CGRectMake(100, 200, 200, 30)) 29 readBtn.backgroundColor = UIColor.orangeColor() 30 readBtn.setTitle("read", forState: UIControlState.Normal) 31 readBtn.addTarget(self, action: "readData", forControlEvents: UIControlEvents.TouchUpInside) 32 self.view.addSubview(readBtn) 33 34 } 35 36 override func didReceiveMemoryWarning() { 37 super.didReceiveMemoryWarning() 38 } 39 40 func writeData() { 41 let appDel: AppDelegate = UIApplication.sharedApplication().delegate as! AppDelegate 42 let memoContext: NSManagedObjectContext = appDel.managedObjectContext 43 let memoEntity: NSEntityDescription! = NSEntityDescription.entityForName("TodoData", inManagedObjectContext: memoContext) 44 let newData = TodoData(entity: memoEntity, insertIntoManagedObjectContext: memoContext) 45 newData.todo = memoField.text! 46 newData.time = NSDate() 47 } 48 49 func readData() { 50 let appDel: AppDelegate = UIApplication.sharedApplication().delegate as! AppDelegate 51 let memoContext: NSManagedObjectContext = appDel.managedObjectContext 52 let memoRequest: NSFetchRequest = NSFetchRequest(entityName: "TodoData") 53 memoRequest.returnsObjectsAsFaults = false 54 let results: NSArray! = memoContext.executeFetchRequest(memoRequest, error: nil) 55 56 57 memos = [] 58 dates = [] 59 60 for data in results { 61 memos.append(data.todo) 62 dates.append(data.time) 63 } 64 65 } 66}
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