ipad搭建

app.h

@class ViewController;@class DetailViewController;@interface AppDelegate : UIResponder@property (strong, nonatomic) UIWindow *window;

@property(nonatomic,strong)ViewController *rootVC;

@property(nonatomic,strong)DetailViewController *detailVC;

@property(nonatomic,strong)UISplitViewController *splitVC;


app.m

#import "ViewController.h"

#import "DetailViewController.h"

@interface AppDelegate ()

@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

self.rootVC = [[ViewController alloc]initWithStyle:UITableViewStylePlain ];

self.rootVC.navigationItem.title = @"导航视图";

UINavigationController *rootNav = [[UINavigationController alloc]initWithRootViewController:self.rootVC];

self.detailVC = [[DetailViewController alloc]init];

self.detailVC.navigationItem.title = @"详情";

UINavigationController *detailNav = [[UINavigationController alloc]initWithRootViewController:self.detailVC];

self.splitVC = [[UISplitViewController alloc]init];

self.splitVC.viewControllers = @[rootNav,detailNav];

self.splitVC.delegate = self.detailVC;

self.window.rootViewController = self.splitVC;

return YES;

ViewController.m

#import "AppDelegate.h"

@interface ViewController ()

{

NSArray *_arr;

}

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

_arr = @[@"1",@"2",@"3"];

}

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

return 1;

}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

return _arr.count;

}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

static NSString *str = @"str";

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:str];

if (!cell) {

cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:str];

}

cell.textLabel.text = _arr[indexPath.row];

return cell;

}


DetailViewController.h

@interface DetailViewController : UIViewController

DetailViewController.m

#import "AppDelegate.h"

#import "ViewController.h"

@interface DetailViewController ()

@end

@implementation DetailViewController

- (void)viewDidLoad {

[super viewDidLoad];

self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc]initWithTitle:@"主菜单" style:UIBarButtonItemStylePlain target:self action:@selector(showPopOverController:)];

AppDelegate *app = (AppDelegate *)[UIApplication sharedApplication].delegate;

app.splitVC.displayModeButtonItem.title = @"显示导航栏";

self.navigationItem.leftBarButtonItem = app.splitVC.displayModeButtonItem;

}

-(void)showPopOverController:(UIBarButtonItem *)sender

{

ViewController *rootVC = [[ViewController alloc]initWithStyle:UITableViewStylePlain];

UIPopoverController *popCtl = [[UIPopoverController alloc]initWithContentViewController:rootVC];

popCtl.popoverContentSize = CGSizeMake(200, 300);

popCtl.backgroundColor = [UIColor clearColor];

popCtl.delegate = self;

[popCtl presentPopoverFromBarButtonItem:sender permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];

}

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