我有一个 iPad 应用程序,我想在其中实现侧边栏功能,就像我们在 facebook 应用程序中一样。
我正在使用这个 Demo为此。
有了这个,我已经成功地实现了边栏功能并且它运行良好,但是我的第一个 View 并没有很好地显示我。
下面是截图。
正如您从屏幕截图中看到的那样,有一个黑色背景,当应用程序启动时,我的整个 View 并未全屏显示。
它应该像下面这样。
同样在单击按钮时,侧 View 显示如下。
它应该很小,因为我采用了宽度 = 300 和高度 = 768 的 View 大小。
但它显示的比那个大。
这是我在 appdelegate 中更改的代码。
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
[self createEditableCopyOfDatabaseIfNeeded];
// Override point for customization after application launch.
self.viewController = [[ViewController alloc] initWithNibName:@"ViewController" bundle:nil];
UINavigationController *navController = [[UINavigationController alloc]initWithRootViewController:self.viewController];
SlidingViewController *slidingView = [[SlidingViewController alloc]initWithNibName:@"SlidingViewController" bundle:nil];
self.slideMenuController = [[SlideMenuController alloc] initWithCenterViewController:navController];
self.slideMenuController.leftViewController = slidingView;
self.window.rootViewController = navController;
[self.window makeKeyAndVisible];
return YES;
}
- (IBAction)sideBarPressed:(id)sender
{
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
if (appDelegate.slideMenuController.position == TKSlidePositionCenter) {
[appDelegate.slideMenuController presentLeftViewControllerAnimated:YES];
} else {
[appDelegate.slideMenuController presentCenterViewControllerAnimated:YES];
}
}
我希望我的 iPad 仅在横向模式下使用它。
请告诉我这里有什么问题?
我被困在这里很长一段时间了。
我们将不胜感激。
提前致谢。
最佳答案
所以你需要使用 UISplitViewController 更好
//in app delegate do like this
//in appDelegate.h file
#import <UIKit/UIKit.h>
@interface AppDelegate : UIResponder <UIApplicationDelegate>
@property (strong, nonatomic) UIWindow *window;
@property (nonatomic, retain) UISplitViewController *splitViewCOntroller;
@end
//in appDelegate.m file
#import "AppDelegate.h"
#import "SplitMasterViewController.h" //create a UITableviewController
#import "SplitViewDetailController.h" //create a UIViewController
@implementation AppDelegate
@synthesize splitViewCOntroller = _splitViewCOntroller;
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
// Override point for customization after application launch.
SplitMasterViewController *masterController = [[SplitMasterViewController alloc]initWithNibName:@"SplitMasterViewController" bundle:nil]; //this is the master menu controller
UINavigationController *masterNavController = [[UINavigationController alloc]initWithRootViewController:masterController];
SplitViewDetailController *detailViewController = [[SplitViewDetailController alloc]initWithNibName:@"SplitViewDetailController" bundle:nil]; //this is the master detail controller
UINavigationController *detailNavController = [[UINavigationController alloc]initWithRootViewController:detailViewController];
masterController.detailViewController = detailViewController;
_splitViewCOntroller = [[UISplitViewController alloc]init]; //initilise split controller
_splitViewCOntroller.delegate = detailViewController; //set the delegate to detail controller
_splitViewCOntroller.viewControllers = [NSArray arrayWithObjects:masterNavController,detailNavController, nil]; //set the splitview controller
self.window.rootViewController = _splitViewCOntroller; //finally your splitviewcontroller as the root view controller
[self.window makeKeyAndVisible];
return YES;
}
//in SplitMasterViewController.h this must be a table that contains your side bar menu items
#import "ViewController.h" //comment this if it shows any error
#import "SplitViewDetailController.h"
@interface SplitMasterViewController : UITableViewController<UITableViewDataSource,UITableViewDelegate>
@property (nonatomic, retain) SplitViewDetailController *detailViewController; //to get the detailview from masterMenu controller
@property (nonatomic, retain) NSArray *Names;
@end
// in SplitMasterViewController.m file
#import "SplitMasterViewController.h"
#import "SplitViewDetailController.h"
@interface SplitMasterViewController ()
@end
@implementation SplitMasterViewController
@synthesize Names;
@synthesize detailViewController;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
Names = [[NSArray alloc] initWithObjects:@"apple", @"banana",
@"mango", @"grapes", nil];
[self.tableView selectRowAtIndexPath:
[NSIndexPath indexPathForRow:0 inSection:0]
animated:NO
scrollPosition:UITableViewScrollPositionMiddle];
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [Names count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"Cell";
UITableViewCell *cell = [tableView
dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[UITableViewCell alloc]
initWithStyle:UITableViewCellStyleDefault
reuseIdentifier:CellIdentifier];
}
// [self configureCell:cell atIndexPath:indexPath];
cell.textLabel.text = [Names objectAtIndex:indexPath.row];
return cell;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
SplitViewDetailController *detailController = self.detailViewController;
detailController.myLabel.text = [Names objectAtIndex:indexPath.row]; //set the name from the array
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
//in SplitViewDetailController.h
#import "ViewController.h"
@interface SplitViewDetailController : UIViewController<UISplitViewControllerDelegate>
@property (strong, nonatomic) id detailItem;
@property (strong, nonatomic) IBOutlet UILabel *myLabel;
@property (nonatomic, retain) UIBarButtonItem *leftBarButtonItem; //to show a button on left side
@end
//in SplitViewDetailController.m
#import "SplitViewDetailController.h"
@interface SplitViewDetailController ()
{
UIPopoverController *masterPopoverController;
}
@end
@implementation SplitViewDetailController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// _leftBarButtonItem = [[UIBarButtonItem alloc]initWithTitle:@"Menu" style:UIBarButtonItemStyleBordered target:self action:nil];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
//these are the call back to detail view controller to hide or show the button
- (void)splitViewController:(UISplitViewController *)splitController willHideViewController:(UIViewController *)viewController withBarButtonItem:(UIBarButtonItem *)barButtonItem forPopoverController:(UIPopoverController *)popoverController
{
_leftBarButtonItem = barButtonItem;
_leftBarButtonItem.style = UIBarButtonItemStyleBordered;
_leftBarButtonItem.title = @"Menu";
[self.navigationItem setLeftBarButtonItem:_leftBarButtonItem animated:YES];
}
// Called when the view is shown again in the split view, invalidating the button
- (void)splitViewController:(UISplitViewController *)splitController willShowViewController:(UIViewController *)viewController invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem
{
[self.navigationItem setLeftBarButtonItem:nil animated:YES];
}
@end
关于ios - 在 ios 中以横向模式显示 iPad 的侧边栏,如 facebook,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/22834254/