UIPopoverController 的使用

#import "ViewController.h"

#import "RYColorSelectController.h"

#import "RYMenuViewController.h"

#import "RYTitleViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

//设置菜单按钮

UIBarButtonItem *leftItem=[[UIBarButtonItem alloc]initWithTitle:@"菜单" style:UIBarButtonItemStylePlain target:self action:@selector(menuClick:)];

self.navigationItem.leftBarButtonItem=leftItem;

UIButton *btn=[[UIButton alloc]init];

[btn setTitle:@"主题" forState:UIControlStateNormal];

[btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];

[btn sizeToFit];

self.navigationItem.titleView=btn;

[btn addTarget:self action:@selector(titleClick:) forControlEvents:UIControlEventTouchUpInside];

}

-(void)titleClick:(UIButton*)sender

{

RYTitleViewController *title=[[RYTitleViewController alloc]init];

title.view.backgroundColor=[[UIColor alloc]initWithRed:arc4random_uniform(256)/255.0 green:arc4random_uniform(256)/255.0 blue:arc4random_uniform(256)/255.0 alpha:1];

UIPopoverController* pop=[[UIPopoverController alloc]initWithContentViewController:title];

//第一种添加方式

[pop presentPopoverFromRect:sender.bounds inView:sender permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];

}

-(void)menuClick:(UIBarButtonItem*)sender

{

RYMenuViewController *title=[[RYMenuViewController alloc]init];

title.view.backgroundColor=[[UIColor alloc]initWithRed:arc4random_uniform(256)/255.0 green:arc4random_uniform(256)/255.0 blue:arc4random_uniform(256)/255.0 alpha:1];

UIPopoverController* pop=[[UIPopoverController alloc]initWithContentViewController:title];

//第二种添加方式

//    //设置穿透哪些控件 当pop出来的控制器覆盖在其他的控件上的时候,设置被覆盖的控件也可以被点击

//    selectColorPopover.passthroughViews = @[self.btnClick];

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

}

@end

#import <UIKit/UIKit.h>

@interface RYMenuViewController : UITableViewController

@end

#import "RYMenuViewController.h"

@interface RYMenuViewController ()<UITableViewDataSource,UITableViewDelegate>

@property(nonatomic,strong)NSArray *allData;

@end

@implementation RYMenuViewController

- (void)viewDidLoad {

[super viewDidLoad];

self.tableView.dataSource=self;

self.tableView.delegate=self;

///设置展示界面大小

self.preferredContentSize = CGSizeMake(100, 200);

}

-(NSArray*)allData

{

if (_allData==nil) {

_allData=@[@"博客",@"好友",@"拖拉机",@"shangpin"];

}

return _allData;

}

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

{

return  self.allData.count;

}

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

{

static NSString*inderface=@"cell";

UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:inderface];

if (!cell) {

cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:inderface];

}

cell.textLabel.text=self.allData[indexPath.row];

return cell;

}

@end

#import <UIKit/UIKit.h>

@interface RYTitleViewController : UIViewController

@end

#import "RYTitleViewController.h"

@interface RYTitleViewController ()

@end

@implementation RYTitleViewController

- (void)viewDidLoad {

[super viewDidLoad];

///设置展示界面大小

self.preferredContentSize = CGSizeMake(100, 100);

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}