点击弹出导航导航按钮菜单

点击导航按钮弹出菜单的实现。弹出菜单框的代码大部分我都是照搬别人的，我的在原有的基础上添加了点击其他地方，菜单收回的效果。

弹出菜单的实现：

要有两个属性

@property (strong,
nonatomic) UIImageView *menuView;

@property (assign,
nonatomic)BOOL menuIsOpen;

然后创建菜单,你可以根据你得需求来改变菜单的大小和菜单里面的内容

- (void)createMenu {

    _menuView = [[UIImageView
alloc]initWithFrame:CGRectMake(0, 60, 125, 120)];

    _menuView.image = [UIImage
imageNamed:@"menu"];

    _menuView.userInteractionEnabled =
YES;

    _menuView.hidden =
YES;

    [self.view
addSubview:_menuView];

}

以下是点击按钮发生的事件

- (IBAction)addMenu:(id)sender {

    if (self.menuIsOpen ==
NO) {

        self.menuView.hidden =
NO;

        self.menuIsOpen =
YES;

    }else if (self.menuIsOpen ==
YES){

        self.menuView.hidden =
YES;

        self.menuIsOpen =
NO;

    }

}

接着是点击其他地方收回菜单

- (void)viewDidLoad { 

    [super
viewDidLoad];

    

    //添加手势

    UITapGestureRecognizer *tapGR = [[UITapGestureRecognizer
alloc] initWithTarget:self
action:@selector(menuHide:)];

   
//设置触发操作需要的点按次数

    tapGR.numberOfTapsRequired = 1;

   
//设置需要几根手指来触发这个操作，默认是一根

    tapGR.numberOfTouchesRequired = 1;

    //tapGR.cancelsTouchesInView = NO;

    [self.view
addGestureRecognizer:tapGR];

    

    NSLog(@"text");

    [self
createMenu];

}

（我用的是点击菜单以外的地方都会回收菜单，有好的其他方法也可以跟我分享）

- (void)menuHide:(UITapGestureRecognizer *)gr{

   
//打印触点的坐标

    CGPoint point = [gr
locationInView:self.view];

    CGMutablePathRef pathRef =
CGPathCreateMutable();

    CGPathMoveToPoint(pathRef,
NULL, 0, 60);

    CGPathMoveToPoint(pathRef,
NULL, 0, 180);

    CGPathMoveToPoint(pathRef,
NULL, 125, 180);

    CGPathMoveToPoint(pathRef,
NULL, 125, 60);

    CGPathMoveToPoint(pathRef,
NULL, 0, 60);

    if (!CGPathContainsPoint(pathRef,
NULL, point, NO)) {

        self.menuView.hidden =
YES;

        self.menuIsOpen =
NO;

    }

    

    NSLog(@"%@",
NSStringFromCGPoint(point));

}