/**平台保障背景view*/
-(UIView *)platFormBGV{
if (!_platFormBGV) {
_platFormBGV = [[UIView alloc] init];
_platFormBGV.backgroundColor = [UIColor whiteColor];
_platFormBGV.frame = CGRectMake(0, self.view.frame.size.height, APP_SCREEN_WIDTH, 220);
// 左上和右上为圆角
UIBezierPath *cornerRadiusPath = [UIBezierPath bezierPathWithRoundedRect:_platFormBGV.bounds byRoundingCorners:UIRectCornerTopRight | UIRectCornerTopLeft cornerRadii:CGSizeMake(16, 16)];
CAShapeLayer *cornerRadiusLayer = [ [CAShapeLayer alloc ] init];
cornerRadiusLayer.frame = _platFormBGV.bounds;
cornerRadiusLayer.path = cornerRadiusPath.CGPath;
_platFormBGV.layer.mask = cornerRadiusLayer;
}
return _platFormBGV;
}
白色背景效果如下
image.png
