AutoLayout does not work

[genglei01]

I find the following code in the lib:

  [_containerView removeConstraints:_containerView.constraints];
  [_containerView addConstraints:
   [NSLayoutConstraint constraintsWithVisualFormat:@"V:|[contentView]|"
                                           options:0
                                           metrics:nil
                                             views:views]];

  [_containerView addConstraints:
   [NSLayoutConstraint constraintsWithVisualFormat:@"H:|[contentView]|"
                                           options:0
                                           metrics:nil
                                             views:views]];

It means constraints are used for contentview,but do not set translatesAutoresizingMaskIntoConstraints to false, I think the constraints do not works. translatesAutoresizingMaskIntoConstraints

I think should add the following code:

     [contentView setTranslatesAutoresizingMaskIntoConstraints:NO];