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UIImage *image = [UIImage imageNamed:@"logo_header.png"];
UIImageView *imageView = [[UIImageView alloc] initWithImage:image];
imageView.frame = CGRectMake(0, 10, 320, 28);
[self.navigationController.view addSubview:imageView];
我已經使用上面的代碼向主視圖中添加了圖像,如何從視圖中刪除它以便它在下一視圖中不可見?如何從我的導航主視圖中刪除我的圖像子視圖