Specifying UISegmentedControlNoSegment to UISegmentedControl's selectedSegmentIndex has no Effect on iOS 13

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后悔当初
后悔当初 2020-12-20 18:25

I am the maintainer of STAControls which subclasses various UIControls, one of which is UISegmentedControl. Within that project\'s sample app, I ha

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  •  萌比男神i
    2020-12-20 19:16

    Resolved and added a work around in STASegmentedControl. I did the following:

    - (void)setSelectedSegmentIndex:(NSInteger)selectedSegmentIndex {
        if (@available(iOS 13.0, *)) {
            if (selectedSegmentIndex == UISegmentedControlNoSegment && self.selectedSegmentIndex >= 0
                && !self.handlingNoSegment)
            {
                self.handlingNoSegment = YES;
                NSUInteger index = self.selectedSegmentIndex;
                NSString *title = [self titleForSegmentAtIndex:self.selectedSegmentIndex];
                [self removeSegmentAtIndex:self.selectedSegmentIndex animated:NO];
                [self insertSegmentWithTitle:title atIndex:index animated:NO];
            }
            self.handlingNoSegment = NO;
        }
        [super setSelectedSegmentIndex:selectedSegmentIndex];
    }
    

    Consult this link for the entire commit.

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