iPad开发专有API-UIPopoverViewController和UISplitViewController

iPad专有api：漂浮视图控制器UIPopoverViewController和分割视图控制器UISplitViewController

----------------------------------UIPopoverViewController----------------------------------

AppDelegate.m

UINavigationController *navi;

if ([[UIDevice currentDevice]userInterfaceIdiom]==UIUserInterfaceIdiomPad)
{//Ipad设备
navi = [[UINavigationController alloc]initWithRootViewController:[IpadViewController new]];
}
else
{
navi = [[UINavigationController alloc]initWithRootViewController:[IphoneViewController new]];
}

self.window.rootViewController = navi;

IpadViewController.m

#import "IpadViewController.h"
#import "ListViewController.h"

@interface IpadViewController ()
{
UIPopoverController *_leftPopController;
}
@end

@implementation IpadViewController

- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
self.title = @"Ipad";
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc]initWithTitle:@"Pop" style:UIBarButtonItemStyleDone target:self action:@selector(jumpLeftPop:)];
}

-(void)jumpLeftPop:(id)sender
{
if (_leftPopController == nil)
{
ListViewController *list = [ListViewController new];
UINavigationController *nav = [[UINavigationController alloc]initWithRootViewController:list];
//漂浮视图控制器
_leftPopController = [[UIPopoverController alloc]initWithContentViewController:nav];
_leftPopController.delegate = self;
_leftPopController.popoverContentSize = CGSizeMake(320, 300);
list.pop = _leftPopController;
}
[_leftPopController presentPopoverFromBarButtonItem:sender permittedArrowDirections:UIPopoverArrowDirectionUp animated:YES];//模态显示
}

ListViewController.m

#import "ListViewController.h"

@interface ListViewController ()

@end

@implementation ListViewController

- (void)viewDidLoad
{
self.title = @"选择你喜欢的颜色";
_listTableView = [[UITableView alloc]initWithFrame:self.view.frame style:UITableViewStylePlain];
_listTableView.delegate = self;
_listTableView.dataSource = self;
[self.view addSubview:_listTableView];

[super viewDidLoad];
// Do any additional setup after loading the view.

self.dataSourse = [[NSMutableArray alloc]initWithArray: @[@"red",@"yellow",@"blue",@"green",@"gray"]];

}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return  self.dataSourse.count;
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *identifier = @"cellIdentifier";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
if (cell == nil)
{
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
}
cell.textLabel.text = [self.dataSourse objectAtIndex:indexPath.row];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
return cell;
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
[self.pop dismissPopoverAnimated:YES];
}

-----------------------------------------SliptViewControllerDemo-----------------------------------------

AppDelegate.m

MasterViewController *master = [[MasterViewController alloc]init];
UINavigationController *navMaster = [[UINavigationController alloc]initWithRootViewController:master];
DetailViewController *detail = [[DetailViewController alloc]init];
UINavigationController *navDetail = [[UINavigationController alloc]initWithRootViewController:detail];
//分割视图控制器
UISplitViewController *split = [[UISplitViewController alloc]init];
split.viewControllers = @[navMaster,navDetail];
split.delegate = detail;//设置代理
split.tabBarItem = detail.tabBarItem;//设置Item
self.window.rootViewController = split;

DetailViewController.h

@interface DetailViewController : UIViewController<UIPopoverControllerDelegate,UISplitViewControllerDelegate>

@property(nonatomic,retain)UIPopoverController *pop;

@end

DetailViewController.m

#import "DetailViewController.h"
#import "ModelViewController.h"

@interface DetailViewController ()
{
ModelViewController *_modelController;
UISegmentedControl *_segment;
}
@end

@implementation DetailViewController

- (void)viewDidLoad
{
[super viewDidLoad];
self.title = @"detail";
self.view.backgroundColor = [UIColor whiteColor];

_segment = [[UISegmentedControl alloc]initWithItems:@[@"one",@"two",@"three",@"four"]];
_segment.frame = CGRectMake(350,100, 320, 40);
_segment.selectedSegmentIndex = 0;
[self.view addSubview:_segment];

UIButton *nextBtn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
nextBtn.frame = CGRectMake(350, 200, 200, 40);
[nextBtn setTitle:@"nextController" forState:0];
[nextBtn addTarget:self action:@selector(nextContrller:) forControlEvents:7];
[self.view addSubview:nextBtn];

}

-(void)nextContrller:(id)sender
{
if (_modelController==nil)
{
_modelController = [[ModelViewController alloc]init];
}
_modelController.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;//转出动画样式
switch (_segment.selectedSegmentIndex)
{
case 0:
{
_modelController.modalPresentationStyle = UIModalPresentationFullScreen;//全屏，默认样式，IPhone只能全屏
break;
}
case 1:
{
_modelController.modalPresentationStyle = UIModalPresentationPageSheet;//竖屏全屏，横屏宽768
break;
}
case 2:
{
_modelController.modalPresentationStyle = UIModalPresentationFormSheet;//不是全屏的，固定540*620
break;
}
case 3:
{
_modelController.modalPresentationStyle = UIModalPresentationCurrentContext;//detailController控制器自身显示大小有关，全屏自身控制器
break;
}
default:
break;
}

[self presentViewController:_modelController animated:YES completion:nil];
}

#pragma mark 分割视图控制器DelegateMethods
- (void)splitViewController:(UISplitViewController *)svc
willHideViewController:(UIViewController *)aViewController
withBarButtonItem:(UIBarButtonItem *)barButtonItem
forPopoverController:(UIPopoverController *)pc
{
barButtonItem.title = @"主页列表";
self.navigationItem.leftBarButtonItem = barButtonItem;
self.pop = pc;
}

- (void)splitViewController: (UISplitViewController*)svc
willShowViewController:(UIViewController *)aViewController
invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem
{
self.navigationItem.leftBarButtonItem = nil;
self.pop = nil;
}
@end

MasterViewController.h

@interface MasterViewController : UIViewController<UITableViewDataSource,UITableViewDelegate>
@property(nonatomic,retain)NSMutableArray *dataSourse;
@property(nonatomic,retain)UITableView *listTableView;
@end

MasterViewController.m

#import "MasterViewController.h"

@interface MasterViewController ()

@end

@implementation MasterViewController

- (void)viewDidLoad
{
self.title = @"master";
_listTableView = [[UITableView alloc]initWithFrame:self.view.frame style:UITableViewStylePlain];
_listTableView.delegate = self;
_listTableView.dataSource = self;
[self.view addSubview:_listTableView];
[super viewDidLoad];
self.dataSourse = [[NSMutableArray alloc]initWithArray: @[@"red",@"yellow",@"blue",@"green",@"gray"]];
}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return  self.dataSourse.count;
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *identifier = @"cellIdentifier";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
if (cell == nil)
{
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
}
cell.textLabel.text = [self.dataSourse objectAtIndex:indexPath.row];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
return cell;
}

@end