iOS clicks Create ripple Effect

iOS Click to create ripple effect by Wusheying

-(void) viewdidload{[Super Viewdidload];    Rippleview = [[UIView alloc] initWithFrame: (cgrect) {0,0,300,300}];    Rippleview.backgroundcolor = [[Uicolor blackcolor] colorwithalphacomponent:0.3];    RippleView.layer.cornerRadius = 150;    Rippleview.layer.maskstobounds=true; rippleview.alpha=0;}    -(void) Touchesbegan: (Nsset *) touches withevent: (uievent *) event{[super Touchesbegan:touches withevent:event];    Uitouch *touch = [touches anyobject];    Cgpoint location = [Touch LocationInView:self.view];    [Self.view Addsubview:rippleview];    Rippleview.center = location;    Rippleview.transform = Cgaffinetransformmakescale (0.5, 0.5);                         [UIView animatewithduration:0.1 animations:^{rippleview.alpha=1;                     self.view.alpha=0.3;    }]; [UIView animatewithduration:0.7 delay:0 Options:uiviewanimationoptioncurve  Easeinout animations:^{                       Rippleview.transform = Cgaffinetransformmakescale (a);                         rippleview.alpha=0;                     Self.view.alpha=1;                     } completion:^ (BOOL finished) {[Rippleview Removefromsuperview]; }];}