Xcode 4.2 Xibドロップダウンメニュー

Question

.xibファイルを作成しましたが、少し問題があります。

I did a videoここで私がどこにいるのかを教えてください。私が使用しているソフトウェアは、Xcode 4.2とそのiOSアプリケーションです。ここで

が私の見解・H・M

#import <UIKit/UIKit.h> 

@interface myview : UIViewController <UITableViewDelegate, UITableViewDataSource, UIPickerViewDelegate, UIPickerViewDataSource>  

@property (strong, nonatomic) IBOutlet UITableView* tableView; 
@property (strong, nonatomic) IBOutlet UIPickerView* pickerView; 
@property (strong, nonatomic) NSMutableArray* tableData; 
@property (strong, nonatomic) NSMutableArray* pickerData; 

@end 


#import "myview.h" 

@implementation myview 
@synthesize tableView, pickerView, tableData, pickerData; 

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil 
{ 
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; 
    if (self) { 
     // Custom initialization 
    } 
    return self; 
} 

- (void)didReceiveMemoryWarning 
{ 
    // Releases the view if it doesn't have a superview. 
    [super didReceiveMemoryWarning]; 

    // Release any cached data, images, etc that aren't in use. 
} 

#pragma mark - View lifecycle 

- (void)viewDidLoad 
{ 
    [super viewDidLoad]; 
    // Do any additional setup after loading the view from its nib. 
} 

- (void)viewDidUnload 
{ 
    [super viewDidUnload]; 

    tableView.delegate = self; 
    tableView.dataSource = self; 
    pickerView.delegate = self; 
    pickerView.dataSource = self; 

    tableData = [[NSMutableArray alloc] init]; // table starts empty 
    pickerData = [[NSMutableArray alloc] initWithObjects:@"1", @"2", @"3", @"4", @"5", nil]; // picker starts with values 1, 2, 3, 4, 5 

    [tableView reloadData]; 
    [pickerView reloadAllComponents]; // Release any retained subviews of the main view. 
    // e.g. self.myOutlet = nil; 
} 

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation 
{ 
    // Return YES for supported orientations 
    return (interfaceOrientation == UIInterfaceOrientationPortrait); 
} 


- (NSInteger)numberOfSectionsInTableView:(UITableView*)tableView { 
    //The number of sections in UITableView 
    return 1; 
} 

- (NSInteger)tableView:(UITableView*)tableView numberOfRowsInSection:(NSInteger)section { 
    // The number of rows in the UITableView 
    return [tableData count]; 
} 

- (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { 
    static NSString *cellIdentifier = @"cell"; 

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier]; 
    if (cell == nil) { 
     cell = [ [UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cellIdentifier]; 

    } 

    // Set the table cell text to the appropriate value in tableDate 
    cell.textLabel.text = [tableData objectAtIndex:indexPath.row]; 

    return cell; 

} 

- (void)tableView:(UITableView*)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { 
    // Whatever happens when you select a table view row. 
} 

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView 
{ 
    // The number of sections in the UIPickerView 
    return 1; 
} 

- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component 
{ 
    // The number of rows in the UIPickerView 
    return [pickerData count]; 
} 

- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component 
{ 
    // The data for each row in the UIPickerView 
    return [pickerData objectAtIndex:row]; 
} 

- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component 
{ 
    // whatever you want to happen when a row is selected. 

    // here I am assuming you want to remove from the picker and add to the table on selection 
    [tableData addObject:[pickerData objectAtIndex:row]]; 
    [pickerData removeObjectAtIndex:row]; 

    [tableView reloadData]; 
    [pickerView reloadAllComponents]; 
} 
@end 

Answer 1

にコードのコピーである私は、私は正確な問題が何であるかわからないが、それはほとんどであるこれは、超古いです知っていて、ビデオが削除されます確かにあなたに関連して私たちのすべてのインスタンス化に関連してviewDidUnload ...これはあなたのviewDidLoadでこれを行う必要があります。