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[self setNeedsDisplay];}int new=1;int old=0;-(void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event{ UITouch *tc=[to...
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UITouch *touch = [touches anyObject];CGPoint loc = [touch locationInView:self];// x yת³ÉcoViewÖеÄ×ø±ê CGFloat x = loc.x - 10;CoView *coView = (...
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NSMutableArray *newArray = [NSMutableArray arrayWithCapacity:[self count]]; for (int i = 0; i < [self count]; i++) { id oneValue = [self objectAtIndex:i]; ...// - (void)touchesBegan:(NSSet<UITouch > )touches withEvent:(UIEvent *)event{ NSMutableArray *arr = [[NSMutableArray alloc] initWithCapacity:12]; NSNumber *...