我正在学习目标C.现在我对UISplitViewController和显示/隐藏主视图按钮很好奇。我看过很多教程,但我做错了什么,我不知道它是什么。我的按钮不隐藏主视图。我在两天内绝对打破了我的想法。现在我构建了这个示例项目来询问您的建议。 在我的模式中我有:TabBarVC,SplitVC,TableViewVC和ViewVC。所有控制器都是我的习惯。 MyTabBarViewController首先来临。我有与UISplitViewController选项卡。iOS:UISplitViewController显示/隐藏主视图按钮不起作用
MySplitViewController.m
#import "MySplitViewController.h"
#import "MyTabBarViewController.h"
#import "MyDetailViewController.h"
@interface MySplitViewController()
@end
@implementation MySplitViewController
- (void)viewDidLoad {
[super viewDidLoad];
MyTabBarViewController *masterVC = [self.storyboard instantiateViewControllerWithIdentifier:@"myTableVC"];
MyDetailViewController *detailVC = [self.storyboard instantiateViewControllerWithIdentifier:@"myDetailVC"];
NSArray *newViewControllersArray = [NSArray arrayWithObjects:masterVC, detailVC, nil];
self.viewControllers = newViewControllersArray;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
@end
MyTableViewController.m
#import "MyTableViewController.h"
@interface MyTableViewController()
@end
@implementation MyTableViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.dataArray = [[NSArray alloc] initWithObjects:@"1", @"2", nil];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return [self.dataArray count];
}
//configure the cell
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"myCell"];
cell.textLabel.text = [self.dataArray objectAtIndex:indexPath.row];
return cell;
}
@end
MyDetailViewController.h
#import <UIKit/UIKit.h>
@interface MyDetailViewController : UIViewController <UISplitViewControllerDelegate>
@property (weak, nonatomic) IBOutlet UIBarButtonItem *showHideMasterVC;
@property (nonatomic, strong) UIPopoverController *popover;
@end
MyDetailViewController.m
#import "MyDetailViewController.h"
@interface MyDetailViewController()
@end
@implementation MyDetailViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(void)splitViewController:(UISplitViewController *)svc
willHideViewController:(UIViewController *)aViewController
withBarButtonItem:(UIBarButtonItem *)barButtonItem
forPopoverController:(UIPopoverController *)pc
{
//Grab a reference to the popover
self.popover = pc;
}
-(void)splitViewController:(UISplitViewController *)svc
willShowViewController:(UIViewController *)aViewController
invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem
{
//Nil out the pointer to the popover.
_popover = nil;
}
@end
这是我的整个项目与故事板:MyProject
对不起,很多代码,但请帮助我或我疯了。谢谢! PS顺便说一下,有可能在NavigationController之外显示/隐藏主视图按钮,例如在某些视图上? (无效)splitViewController(UISplitViewController *)svc willHideViewController和 - (void)splitViewController(UISplitViewController *)svc willShowViewController在iOS8中已弃用。
那么有人可以纠正我的项目我应该怎样解决我的问题?
嗨!对不起,我没有明白你的观点,我应该如何做到这一点,而不使用废弃的方法? – user3742622 2015-02-24 21:15:00
您不需要弃用的方法。只需添加'self.navigationItem.leftBarButtonItem = self.splitViewController。displayModeButtonItem;'。 – SFF 2015-02-24 21:18:46
哇!它是如此容易!非常感谢!!! – user3742622 2015-02-24 21:25:11