flutter_portal

• Fix Layer ... was previously used as oldLayer assertion error in debug mode, and page being blank in release mode #91

• Export some methods
• Fix Flutter 3.0 warnings

• Upgrade to Flutter 3.0
• Export Filled anchor #74 (thanks @mityax)

• Fix _debugCheckLeaderBeforeFollower(forwardLayers, inverseLayers)': LeaderLayer anchor must come before FollowerLayer in paint order, but the reverse was true. (@fzyzcjy)
• Aligned.backup is always used even if it should not; cause: getFollowerOffset's portalRect argument is wrong #63 (@fzyzcjy)
• CustomRenderFollowerLayer._computeLinkedOffset is wrong especially when having a RepaintBoundary at ancestor which is quite common #62 (@fzyzcjy)
• _RenderPortalTargetTheater.applyPaintTransform is wrong when using operations like globalToLocal(ancestor: something); it only works correctly with globalToLocal() without ancestors param #61 (@fzyzcjy)
• localToGlobal or similar methods are wrong for widgets in the subtree of portal follower #65 (@fzyzcjy)
• Touch (click) events are drifted (shifted incorrectly) for PortalTargets #64 (@fzyzcjy)
• Allow the follower partially follow the target in selected axis; allow align relative to Portal #17 (@fzyzcjy)
• Shift portal follower to be inside the bounds of portal #67 (@fzyzcjy)
• Extract the composited transform ("leader/follower") in this library to beautify the code and allow users to use them directly #70 (@fzyzcjy)

• Fix broken images in pub

• New anchoring logic for advanced use cases #44 (@creativecreatorormaybenot for the main PR, @fzyzcjy for Flutter stable compatibility)
• Allow PortalEntry that binds to a ancestor but not nearest Portal #45 (@fzyzcjy)
• Enhance scope searching strategy: Defaults to "main" scope if provided #51 (@fzyzcjy)
• Sync those modified-from-Flutter code with latest Flutter code and some refactor (@fzyzcjy #50)
• Add debugLabel to ease debugging (@fzyzcjy)
• Fix Failed assertion: '_lastOffset != null' in various cases, which should exist in Flutter 2.8~2.10 and flutter_portal from old to new (@fzyzcjy #56)
• New readme and documentations (@fzyzcjy)

update flutter constraints

Migrate to NNBD (#23)

• Improved the dart-doc of Portal and PortalEntry

• Added and improved the examples

• Fixed a bug where changing the visibility of a portal destroys the state of child

• Adding a way to delay the disappearance of a portal entry:

  PortalEntry(
    visible: visible,
    closeDuration: Duration(seconds: 2),
    portal: ...,
    child: ...
  )
  

  With this code, when visible changes to false, the portal will stay visible for an extra 2 seconds.

  This can be useful to implement leave animations. For example, the following implement a fade-out transition:

  PortalEntry(
    visible: visible,
    closeDuration: Duration(seconds: 2),
    portal: AnimatedOpacity(
      duration: Duration(seconds: 2),
      opacity: visible ? 1 : 0,
      child: Container(color: Colors.red),
    ),
    child: ...
  )
  

• Update to support latest Flutter version

• Changed the algorithm behind how portals/overlays are rendered.
  This fixes some problems when combined with LayoutBuilder

• Removed the generic parameter of PortalEntry

Initial implementation

Improve package description

Fix pub badge