iOS按钮长按

UILongPressGestureRecognizer *longPressGR =

[[UILongPressGestureRecognizer alloc] initWithTarget:self

action:@selector(handleLongPress:)];

longPressGR.allowableMovement=NO;

longPressGR.minimumPressDuration = 0.2;

[btn addGestureRecognizer:longPressGR];

[longPressGR release];

//响应的事件

-(IBAction)handleLongPress:(id)sender{

UIButton *button=(UIButton*)[(UILongPressGestureRecognizer *)sender view];

NSInteger ttag=[button tag];

}