问同时在两个按钮中进行一次触摸

EN

-(void)viewDidLoad {
    self.myButton = /*initialize the button*/;
    [self.myButton addTarget:self action:@selector(callTwoMethods) forControlEvents:UIControlEventTouchUpInside];
}

-(void)callTwoMethods {
    [self methodOne];
    [self methodTwo];
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    if ([touches count] == 2) {
        //we are aware of two touches, so get them both
        UITouch *firstTouch = [[allTouches allObjects] objectAtIndex:0];
        UITouch *secondTouch = [[allTouches allObjects] objectAtIndex:1];

        CGPoint firstPoint = [firstTouch locationInView:self.view];
        CGPoint secondPoint = [secondTouch locationInView:self.view];

        if ([self.firstButton pointInside:firstPoint withEvent:event] && [self.secondButton secondPoint withEvent:event] || /*the opposite test for firstButton getting the first and secondButton getting the second touch*/) {
            //Do stuff
        }
    }