cupertino_will_pop_scope 1.2.0

Enables 'onWillPop' callbacks on Cupertino page transitions and improves visual feedback of rejected "Swipe to go back" gestures.

[1.2.0]

• [BREAKING] Renamed ConditionalWillPopScope's shouldAddCallbacks to shouldAddCallback.
• Changed all properties of ConditionalWillPopScope to be required.
• Changed the logic for dismissing the swipe back gesture on iOS to use the "drag cancelled" handler, instead of the "darg ended" handler.

[1.1.0]

• Updated with latest version of Flutter's route.dart file.
• Update sample app to use ElevatedButton instead of the deprecated RaisedButton widget.
• Changed ConditionalWillPopScope.onWillPop to be optional.
• Migrated to Null Safety.

[1.0.4]

• Fixed documentation.

[1.0.3]

• Fixed formatting.

[1.0.2]

• Fixed Flutter's own asserts, which fail Pub.dev's static analysis.
• Updated the package description.

[1.0.1]

• Introduced a new ConditionalWillPopScope widget which makes it possible to add willPop callbacks conditionally.
• Added a small time delay before calling the route's willPop callbacks, to accomodate for the screen's "rewind" animation.
• Increased the distance a screen is allowed to be dragged before the gesture is terminated. (From 33% to 42%.)
• Updated the example app and docs.

[1.0.0]

• Initial release.