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Migration guide: minMaxHeightIncludesSafeArea

Deprecation schedule:

  • October 16, 2018: minMaxHeightIncludesSafeArea will be disabled by default.
  • October 23, 2018: minMaxHeightIncludesSafeArea will be marked deprecated.
  • November 23, 2018: minMaxHeightIncludesSafeArea will be deleted.

minMaxHeightIncludesSafeArea is a behavioral flag on `MDCFlexibleHeaderView that must be disabled to ensure iPhone X compatibility.

When this property is enabled (the legacy behavior), the minimumHeight and maximumHeight values are expected to include the device's top safe area insets in their value. This means it is the responsibility of the client to update these height values with the values of the top safe area insets.

When you disable this property you are expected to set minimumHeight and maximumHeight to only the height of the content that would be displayed below the top safe area insets.

We intend to eventually disable minMaxHeightIncludesSafeArea by default and remove the property altogether. As such, you are encouraged to proactively disable this property now anywhere that you use a FlexibleHeader.

Example usage:

Swift

headerViewController.headerView.minMaxHeightIncludesSafeArea = false
headerViewController.headerView.maximumHeight = 128
headerViewController.headerView.minimumHeight = 56

Objective-C

headerViewController.headerView.minMaxHeightIncludesSafeArea = NO;
headerViewController.headerView.maximumHeight = 128;
headerViewController.headerView.minimumHeight = 56;