iOS QQ侧滑菜单(高仿)
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//联系人:石虎 QQ: 1224614774昵称:嗡嘛呢叭咪哄
UITabBarController做QQ侧滑菜单效果:
首先要了解UITabBarController的层级结构:
UITabBarController加载的其它UIViewController的View都是被添加在UITransitionView上(这是一个私有API),UITransitionView在self.view的0层,UITabBar在的第一层。
所以我的思路是这样的:
- UITransitionView与UITabBar转移到一个新的View1上去,作为滑动的部分;
- 在View1与self.view之间再添加一个View2,作为菜单的容器;
- 给View1添加相应的手势响应;
代码:
#import <UIKit/UIKit.h>@protocol SlideTab_VC_TCVDelegate <NSObject>@optional-(void)didOpenMenu:(UIView*)menu;-(void)didCloseMenu:(UIView*)menu;@end@interface SlideTab_VC : UITabBarController@property(strong, nonatomic)UIView *mMenuV;@property(weak, nonatomic)id <SlideTab_VC_TCVDelegate> mDelegate;-(void)openMenu;-(void)closeMenu;@end
#import "SlideTab_VC.h"#define DEVICE_W [UIScreen mainScreen].bounds.size.width@interface SlideTab_VC ()<UITabBarDelegate>{ CGFloat _centerMaxX;}@property(strong, nonatomic)UIView *mTransitionView;@property(strong, nonatomic)UITapGestureRecognizer *mTapGester;@property(assign, nonatomic)BOOL mMenuIsOpen;@property(strong, nonatomic)UITabBar *mTabBar;@end@implementation SlideTab_VC- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. self.view.backgroundColor = [UIColor purpleColor]; _mMenuIsOpen = NO; _centerMaxX = DEVICE_W*3/2-80.0f; [self initMTransitionView]; [self addGestureForMTransitionView];}#pragma mark 菜单懒加载-(void)setMMenuV:(UIView *)mMenuV{ if (mMenuV!=nil) { _mMenuV = mMenuV; [self.view insertSubview:_mMenuV atIndex:0]; }}#pragma mark 打开菜单-(void)openMenu{ CGPoint center = self.mTransitionView.center; center.x = _centerMaxX; [UIView animateWithDuration:0.15f animations:^{ self.mTransitionView.center = center; if (_mDelegate != nil&& [_mDelegate respondsToSelector:@selector(didOpenMenu:)]) { [_mDelegate didOpenMenu:_mMenuV]; } }]; [self mTransitionSubViewsEnable:NO];}#pragma mark 关闭菜单-(void)closeMenu{ CGPoint center = self.mTransitionView.center; center.x = DEVICE_W/2; [UIView animateWithDuration:0.15f animations:^{ self.mTransitionView.center = center; } completion:^(BOOL finished) { [self mTransitionSubViewsEnable:YES]; if (_mDelegate != nil&& [_mDelegate respondsToSelector:@selector(didCloseMenu:)]) { [_mDelegate didCloseMenu:_mMenuV]; } }];}#pragma mark Transition用户交互使能-(void)mTransitionSubViewsEnable:(BOOL)enable{ for (UIView *tmp in self.mTransitionView.subviews) { tmp.userInteractionEnabled = enable; } if (enable) { [self.mTransitionView removeGestureRecognizer:_mTapGester]; }else{ [self.mTransitionView addGestureRecognizer:_mTapGester]; }}#pragma mark 配置mTransitionView-(void)initMTransitionView{ for (UIView *tmp in self.view.subviews) { [tmp removeFromSuperview]; [self.mTransitionView addSubview:tmp]; } [self.view addSubview:self.mTransitionView];}#pragma mark 拖动手势动作-(void)panAction:(UIPanGestureRecognizer*)pan{ CGPoint location = [pan translationInView:pan.view.superview]; CGPoint center = self.mTransitionView.center; if (pan.state==UIGestureRecognizerStateEnded) { if (center.x<_centerMaxX*0.5+DEVICE_W*0.25){ [self closeMenu]; }else{ [self openMenu]; } }else if(pan.state==UIGestureRecognizerStateChanged){ if (location.x<0) {//向左滑 center.x = center.x+location.x<=DEVICE_W/2? DEVICE_W/2 : center.x+location.x; }else{ center.x = center.x+location.x>=_centerMaxX? _centerMaxX : center.x+location.x; } self.mTransitionView.center = center; [pan setTranslation:CGPointMake(0, 0) inView:pan.view.superview]; }}#pragma mark 添加手势-(void)addGestureForMTransitionView{ UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(panAction:)]; [_mTransitionView addGestureRecognizer:pan]; _mTapGester = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapAction)];}#pragma mark--懒加载-(UIView *)mTransitionView{ if (_mTransitionView==nil) { _mTransitionView = [[UIView alloc]initWithFrame:self.view.bounds]; } return _mTransitionView;}-(void)tapAction{ CGFloat x = _mTransitionView.center.x; if (x>=_centerMaxX) { [self closeMenu]; }}@end
谢谢!!!
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