iOS UIMenuItem弹出菜单

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UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(pressClick:)];

[self.view addGestureRecognizer:longPress];

self.view.userInteractionEnabled = YES;

- (void)pressClick:(UILongPressGestureRecognizer *)recognizer

{

[self becomeFirstResponder];

[self popMemu];

}

- (BOOL)canBecomeFirstResponder

{

return YES;

}

- (BOOL)canPerformAction:(SEL)action withSender:(id)sender

{

// 自定义方法时才显示对就选项菜单，即屏蔽系统选项菜单

if (action == @selector(copyClick) || action == @selector(deleteClick) || action == @selector(moveClick))

{

return YES;

}

return NO;

}

- (void)popMemu

{

// @selector()括号中为该按钮触发的方法，该方法必须在UIVIewContrller中进行声明，就是投向的view所绑定的viewController类中必须实现这个方法

UIMenuItem *menuItem_1 = [[UIMenuItem alloc] initWithTitle:@"复制" action:@selector(copyClick)];

UIMenuItem *menuItem_2 = [[UIMenuItem alloc] initWithTitle:@"删除" action:@selector(deleteClick)];

UIMenuItem *menuItem_3 = [[UIMenuItem alloc] initWithTitle:@"移动" action:@selector(moveClick)];

UIMenuController *menuController = [UIMenuController sharedMenuController];

menuController.menuItems = [NSArray arrayWithObjects:menuItem_1, menuItem_2, menuItem_3, nil];

// touchpos_x, touchpos_y分别为长按那点的x和y坐标 self.view为将要展示弹出框的视图

CGFloat touchpos_x = 40.0;

CGFloat touchpos_y = 100.0;

[menuController setTargetRect:CGRectMake(touchpos_x, touchpos_y, 100.0, 40.0) inView:self.view];

[menuController setMenuVisible:YES animated:YES];

}

- (void)copyClick

{

NSLog(@"copy");

}

- (void)deleteClick

{

NSLog(@"delete");

}

- (void)moveClick

{

NSLog(@"move");

}

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