UITapGestureRecognizer *singleTap = [[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(sigleTappedPickerView:)];
[singleTap setNumberOfTapsRequired:1];
[selfaddGestureRecognizer:singleTap];
singleTap.delegate =self;
- (void)sigleTappedPickerView:(UIGestureRecognizer *)sender
{
//取得所點擊的點的座標
CGPoint point = [senderlocationInView:self];
// 判斷該點在不在區域內
if (CGRectContainsPoint(CGRectMake(0,FIXED_PICKER_SELECTED_ORIGNALY,FIXED_PICKER_SELECTED_WIDTH, FIXED_PICKER_SELECTED_HEIGHT), point))
{
///// Do what you want
}
}
)
UITouch類中包含如下成員函數:
- (CGPoint)locationInView:(UIView *)view:函數返回一個CGPoint類型的值,表示觸摸在view這個視圖上的位置,這裏返回的位置是針對view的座標系的。調用時傳入的view參數爲空的話,返回的時觸摸點在整個窗口的位置。
CGRectContainsPoint :一個點是否包含在矩形中