Day.03.09 MMDrawerController 侧滑

MsgViewController.m

#import "MsgViewController.h"

#import "AppDelegate.h"

@interface MsgViewController ()

@end

@implementation MsgViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemBookmarks target:self action:@selector(showLeft:)];

}

- (void)showLeft:(UIButton *)button{

//1.获取App单例的delegate属性 --> AppDelegate类对应的单例对象
    AppDelegate *appDelegate = [UIApplication sharedApplication].delegate;
    
    //2.
    [appDelegate.menuVC showLeftVC];
}
@end

AppDelegate.h

#import 
#import "MenuViewController.h"

@interface AppDelegate : UIResponder 

@property (strong, nonatomic) UIWindow *window;

@property (strong,nonatomic)MenuViewController *menuVC;

@end

AppDelegate.m

#import "AppDelegate.h"

#import "MsgViewController.h"
#import "ContactsViewController.h"
#import "DynamicViewController.h"

#import "LeftViewController.h"

@interface AppDelegate ()

@end

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    
    self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
    
    self.window.backgroundColor = [UIColor whiteColor];
    
    [self.window makeKeyAndVisible];
    
    /*——————————————————————————————————————————————————————————————————————————————-*/
    
    //1.视图控制器
    MsgViewController *msg = [[MsgViewController alloc]init];
    
    ContactsViewController *contacts = [[ContactsViewController alloc]init];
    
    DynamicViewController *dynamic = [[DynamicViewController alloc]init];
    
    
    //2.导航控制器
    UINavigationController *nav1 = [[UINavigationController alloc]initWithRootViewController:msg];
    
    UINavigationController *nav2 = [[UINavigationController alloc]initWithRootViewController:contacts];
    
    UINavigationController *nav3 = [[UINavigationController alloc]initWithRootViewController:dynamic];
    
    //定制item
    msg.title = @"消息";
    contacts.title = @"联系人";
    dynamic.title = @"动态";
    
    msg.view.backgroundColor = [UIColor redColor];
    contacts.view.backgroundColor = [UIColor grayColor];
    dynamic.view.backgroundColor = [UIColor orangeColor];
    
    msg.tabBarItem = [[UITabBarItem alloc]initWithTabBarSystemItem:    UITabBarSystemItemRecents tag:101];
    
    contacts.tabBarItem = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemTopRated tag:102];
    
    dynamic.tabBarItem = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemHistory tag:103];
    
    //3.标签控制器
    UITabBarController *tbc = [[UITabBarController alloc]init];
    
    tbc.viewControllers = @[nav1,nav2,nav3];
    
//    self.window.rootViewController = tbc;
    
    LeftViewController *leftVC = [[LeftViewController alloc]init];
    
    _menuVC = [[MenuViewController alloc]initWithCenterViewController:tbc leftViewController:leftVC];
    
    self.window.rootViewController = _menuVC;

    
    return YES;
}
@end

MenuViewController.h

#import 

@interface MenuViewController : UIViewController

@property (nonatomic,strong)UIViewController *leftViewController;

@property (nonatomic,strong)UIViewController *centerViewController;

/**
 *  通过视图控制器创建侧滑控制器
 *
 *  @param centerViewController 中心视图控制器
 *  @param leftViewController   左侧视图控制器
 *
 *  @return 侧滑控制器
 */
- (instancetype)initWithCenterViewController:(UIViewController *)centerViewController
                          leftViewController:(UIViewController *)leftViewController;


/**
 *  左侧滑和还原功能
 */
- (void)showLeftVC;

/**
 *  显示中心控制器
 */
- (void)showCenterVC;

@end

MenuViewController.m

#import "MenuViewController.h"

#define KScreenWidth [UIScreen mainScreen].bounds.size.width
#define KSCreenHeight [UIScreen mainScreen].bounds.size.height

#define KLeftSpace KScreenWidth/5*4


@interface MenuViewController ()

@end

@implementation MenuViewController

- (instancetype)initWithCenterViewController:(UIViewController *)centerViewController
                          leftViewController:(UIViewController *)leftViewController{

    if (self = [super init]) {
        
        _centerViewController = centerViewController;
        
        _leftViewController = leftViewController;
        
        /**
         *  现在位于视图控制器MenuViewController的M文件中
         
            父视图就是self.view 也就是MenuVC的根视图
         
            left view 在下 center view 在上 当调用侧滑事件时,center view 向右平移
         */
    }
    return self;
}

- (instancetype)initWithCenterViewController:(UIViewController *)centerViewController{

    if (self = [super init]) {
        
        _centerViewController = centerViewController;
    }
    return self;
}


- (void)viewDidLoad {
    [super viewDidLoad];

    if (_leftViewController) {
        
        [self.view addSubview:_leftViewController.view];
    }
    [self.view addSubview:_centerViewController.view];
}


- (void)showLeftVC{

//判断中央控制器的view的偏移量
    
    //如果为0 --> 没有侧滑 --> 开始侧滑
    if (_centerViewController.view.frame.origin.x == 0) {
        
        [UIView animateWithDuration:0.3 animations:^{
            
            _centerViewController.view.frame = CGRectMake(KLeftSpace, 0, _centerViewController.view.frame.size.width, _centerViewController.view.frame.size.height);
            
        }];
        
    }
        else{
        
            [self showCenterVC];
        }
    
}

- (void)showCenterVC{

 [UIView animateWithDuration:0.3 animations:^{
     
     _centerViewController.view.frame = self.view.bounds;
 }];
    
}

@end

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