IOS code for distinguishing single-and double-finger-presses

How can we distinguish between single-finger and double-finger tap?

Directly run the Code. If uikit is used, modify the function name. The following code is cocos2d.

// Gametouches = [[nsmutableset alloc] init];-(void) cctouchesbegan :( nsset *) touches withevent :( uievent *) event {If (touches. count = 1) {[gametouches addobject: [touches anyobject]; If (gametouches. allobjects. count = 2) {[self jump]; // dual-finger tap [gametouches removeallobjects] ;}} else {[self jump]; // multiple-finger tap }}- (void) cctouchesended :( nsset *) touches withevent :( uievent *) event {If (gametouches. allobjects. count = 1) {[self fire]; // single-finger tap} [gametouches removeallobjects];}-(void) cctouchescancelled :( nsset *) touches withevent :( uievent *) event {[self cctouchesended: touches withevent: event];}