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특정보기 컨트롤러에 도구 모음 단추가 있고 다른보기 컨트롤러에서 사라질 필요가 있습니다. 어떻게 할 수 있어요 !!하나의보기 컨트롤러에서 도구 모음 단추뿐만 아니라 다른 사람에게 표시
- (void)viewWillDisappear:(BOOL)animated {} - (void)viewDidDisappear:(BOOL)animated {}
: 내가 작업 할 수
- (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; //Initialize the toolbar toolbar = [[UIToolbar alloc] init]; toolbar.barStyle = UIBarStyleDefault; //Set the toolbar to fit the width of the app. [toolbar sizeToFit]; //Caclulate the height of the toolbar CGFloat toolbarHeight = [toolbar frame].size.height; //Get the bounds of the parent view CGRect rootViewBounds = self.parentViewController.view.bounds; //Get the height of the parent view. CGFloat rootViewHeight = CGRectGetHeight(rootViewBounds); //Get the width of the parent view, CGFloat rootViewWidth = CGRectGetWidth(rootViewBounds); //Create a rectangle for the toolbar CGRect rectArea = CGRectMake(0, rootViewHeight - toolbarHeight, rootViewWidth, toolbarHeight); //Reposition and resize the receiver [toolbar setFrame:rectArea]; //Create a button UIBarButtonItem *infoButton = [[UIBarButtonItem alloc] initWithTitle:@"Info" style:UIBarButtonItemStyleBordered target:self action:@selector(info_clicked:)]; [toolbar setItems:[NSArray arrayWithObjects:infoButton,nil]]; //Add the toolbar as a subview to the navigation controller. [self.navigationController.view addSubview:toolbar]; //Reload the table view [self.tableView reloadData]; } - (void) info_clicked:(id)sender { //Initialize the Info View Controller if(ivControllerToolbar == nil) ivControllerToolbar = [[InfoViewController alloc] initWithNibName:@"InfoView" bundle:[NSBundle mainBundle]]; ivControllerToolbar.isViewPushed = NO; //Initialize the navigation controller with the info view controller if(infoNavController == nil) infoNavController = [[UINavigationController alloc] initWithRootViewController:ivControllerToolbar]; //Present the navigation controller. [self.navigationController presentModalViewController:infoNavController animated:YES]; }
: 여기 내 코드는? 그리고 어떻게 알 수 있습니까?