iphone - 切换 View Controller ，但旧屏幕仍保留在后面

Question

我有这个方法，通常有效，但最近它给我带来了麻烦。

我想做的是切换 View 而不需要任何动画。由于某种原因，每当我切换 View 时，旧屏幕都会留下一些东西，例如按钮或文本字段。

如何在每次切换 View 时让这些消失？

这是我到目前为止所拥有的

.h

@class HighScoreViewController;

@interface StartUpScreen : UIViewController {
    HighScoreViewController *highScoreViewController;
@property (nonatomic, retain) HighScoreViewController *highScoreViewController;
@end

.m

#import "HighScoreViewController.h"

@implementation StartUpScreen

-(void) viewDidLoad {
    UIButton *highScoreButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];
    highScoreButton.frame = CGRectMake(219, 0, 99, 55);
    [highScoreButton addTarget:self
                        action:@selector(goToHighScoresViewController)
              forControlEvents:UIControlEventTouchDown];
    [self.view addSubview:highScoreButton];
}

-(void)goToHighScoresViewController {
    HighScoreViewController *highScore = [[HighScoreViewController alloc] initWithNibName:@"HighScoreViewController" bundle:nil];
    self.highScoreViewController = highScore;

    //[self presentModalViewController:highScore animated:YES];

    [self.view insertSubview:highScore.view atIndex:0];
    [highScore release];
}

Answer 1

取消注释

[self presentModalViewController:highScore animated:NO];

并注释掉:

[self.view insertSubview:highScore.view atIndex:0];

线条和一切都会很好。