UIPageControl 样式设置 兼容 iOS14

2020-09-18  本文已影响0人  woo_5857

- (void)setPageControlImage {

//    UIPageIndicatorView

    self.pageControl.currentPageIndicatorTintColor = RGBACOLOR(0,0,0,0.0);

    self.pageControl.pageIndicatorTintColor = RGBACOLOR(0,0,0,0.0);

    if(@available(iOS14.0, *)) {

        UIView*fview1 =_pageControl;

        UIView*subView1 = fview1.subviews.firstObject;

        fview1 = subView1;

        subView1 = fview1.subviews.firstObject;

        fview1 = subView1;

        subView1 = fview1.subviews.firstObject;

        if(subView1 && [subView1isKindOfClass:[UIImageViewclass]]) {

            [self modfinPageControlSubViews:fview1];

        }

    }else{

        UIImage *inactiveImage = [UIImage imageNamed:@"online_image_loading_image_dot_2"];

        UIImage *activeImage = [UIImage imageNamed:@"online_image_loading_image_dot_1"];

        [self.pageControl setValue:inactiveImage forKeyPath:@"pageImage"];

        [self.pageControl setValue:activeImage forKeyPath:@"currentPageImage"];

    }

}

- (void)modfinPageControlSubViews:(UIView *)fView {

    UIImage *inactiveImage = [UIImage imageNamed:@"learning_index_page_control_image_normal"];

    UIImage *activeImage = [UIImage imageNamed:@"learning_index_page_control_image_current"];

    for(inti =0; i < [fView.subviewscount]; i++)  {

        UIImageView *dot = [fView.subviews objectAtIndex:i];

        [dot.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];

        dot.backgroundColor = [UIColor clearColor];

        if (i == _pageControl.currentPage) {

            UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, activeImage.size.width, activeImage.size.height)];

            imageView.image= activeImage;

            [dotaddSubview:imageView];

        }else{

            UIImageView*imageView = [[UIImageViewalloc]initWithFrame:CGRectMake(0,0, inactiveImage.size.width, inactiveImage.size.height)];

            imageView.image= inactiveImage;

            [dotaddSubview:imageView];

        }

   }

}

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