showAnimatedDialog<T extends Object?> function

Future<T?> showAnimatedDialog<T extends Object?>({required BuildContext context, bool barrierDismissible = false, required WidgetBuilder builder, dynamic animationType = DialogTransitionType.size, Curve curve = Curves.linear, Duration? duration, Alignment alignment = Alignment.center, Color? barrierColor, Axis? axis = Axis.horizontal})

Displays a Material dialog above the current contents of the app

Implementation

Future<T?> showAnimatedDialog<T extends Object?>({
  required BuildContext context,
  bool barrierDismissible = false,
  required WidgetBuilder builder,
  animationType = DialogTransitionType.size,
  Curve curve = Curves.linear,
  Duration? duration,
  Alignment alignment = Alignment.center,
  Color? barrierColor,
  Axis? axis = Axis.horizontal,
}) {
  assert(debugCheckHasMaterialLocalizations(context));

  final ThemeData theme = Theme.of(context);

  isShowing = true;
  return showGeneralDialog(
    context: context,
    pageBuilder: (BuildContext buildContext, Animation<double> animation,
        Animation<double> secondaryAnimation) {
      final Widget pageChild = Builder(builder: builder);
      return SafeArea(
        top: false,
        child: Builder(builder: (BuildContext context) {
          return Theme(data: theme, child: pageChild);
        }),
      );
    },
    barrierDismissible: barrierDismissible,
    barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
    barrierColor: barrierColor ?? Colors.black54,
    transitionDuration: duration ?? const Duration(milliseconds: 400),
    transitionBuilder: (BuildContext context, Animation<double> animation,
        Animation<double> secondaryAnimation, Widget child) {
      switch (animationType) {
        case DialogTransitionType.fade:
          return FadeTransition(opacity: animation, child: child);
        case DialogTransitionType.slideFromRight:
          return SlideTransition(
            transformHitTests: false,
            position: Tween<Offset>(
              begin: const Offset(1.0, 0.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: curve)).animate(animation),
            child: child,
          );
        case DialogTransitionType.slideFromLeft:
          return SlideTransition(
            transformHitTests: false,
            position: Tween<Offset>(
              begin: const Offset(-1.0, 0.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: curve)).animate(animation),
            child: child,
          );
        case DialogTransitionType.slideFromRightFade:
          return SlideTransition(
            position: Tween<Offset>(
              begin: const Offset(1.0, 0.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: curve)).animate(animation),
            child: FadeTransition(
              opacity: animation,
              child: child,
            ),
          );
        case DialogTransitionType.slideFromLeftFade:
          return SlideTransition(
            position: Tween<Offset>(
              begin: const Offset(-1.0, 0.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: curve)).animate(animation),
            child: FadeTransition(
              opacity: animation,
              child: child,
            ),
          );
        case DialogTransitionType.slideFromTop:
          return SlideTransition(
            transformHitTests: false,
            position: Tween<Offset>(
              begin: const Offset(0.0, -1.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: curve)).animate(animation),
            child: child,
          );
        case DialogTransitionType.slideFromTopFade:
          return SlideTransition(
            position: Tween<Offset>(
              begin: const Offset(0.0, -1.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: curve)).animate(animation),
            child: FadeTransition(
              opacity: animation,
              child: child,
            ),
          );
        case DialogTransitionType.slideFromBottom:
          return SlideTransition(
            transformHitTests: false,
            position: Tween<Offset>(
              begin: const Offset(0.0, 1.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: curve)).animate(animation),
            child: child,
          );
        case DialogTransitionType.slideFromBottomFade:
          return SlideTransition(
            position: Tween<Offset>(
              begin: const Offset(0.0, 1.0),
              end: Offset.zero,
            ).chain(CurveTween(curve: curve)).animate(animation),
            child: FadeTransition(
              opacity: animation,
              child: child,
            ),
          );
        case DialogTransitionType.scale:
          return ScaleTransition(
            alignment: alignment,
            scale: CurvedAnimation(
              parent: animation,
              curve: Interval(
                0.00,
                0.50,
                curve: curve,
              ),
            ),
            child: child,
          );
        case DialogTransitionType.fadeScale:
          return ScaleTransition(
            alignment: alignment,
            scale: CurvedAnimation(
              parent: animation,
              curve: Interval(
                0.00,
                0.50,
                curve: curve,
              ),
            ),
            child: FadeTransition(
              opacity: CurvedAnimation(
                parent: animation,
                curve: curve,
              ),
              child: child,
            ),
          );
        case DialogTransitionType.scaleRotate:
          return ScaleTransition(
            alignment: alignment,
            scale: CurvedAnimation(
              parent: animation,
              curve: Interval(
                0.00,
                0.50,
                curve: curve,
              ),
            ),
            child: CustomRotationTransition(
              alignment: alignment,
              turns: Tween<double>(begin: 1, end: 2).animate(CurvedAnimation(
                  parent: animation, curve: Interval(0.0, 1.0, curve: curve))),
              child: child,
            ),
          );
        case DialogTransitionType.rotate:
          return CustomRotationTransition(
            alignment: alignment,
            turns: Tween<double>(begin: 1, end: 2).animate(CurvedAnimation(
                parent: animation, curve: Interval(0.0, 1.0, curve: curve))),
            child: child,
          );
        case DialogTransitionType.fadeRotate:
          return CustomRotationTransition(
            alignment: alignment,
            turns: Tween<double>(begin: 1, end: 2).animate(CurvedAnimation(
                parent: animation, curve: Interval(0.0, 1.0, curve: curve))),
            child: FadeTransition(
              opacity: CurvedAnimation(
                parent: animation,
                curve: curve,
              ),
              child: child,
            ),
          );
        case DialogTransitionType.rotate3D:
          return Rotation3DTransition(
            alignment: alignment,
            turns: Tween<double>(begin: math.pi, end: 2.0 * math.pi).animate(
                CurvedAnimation(
                    parent: animation,
                    curve: Interval(0.0, 1.0, curve: curve))),
            child: FadeTransition(
              opacity: Tween<double>(begin: 0.0, end: 1.0).animate(
                  CurvedAnimation(
                      parent: animation,
                      curve: Interval(0.5, 1.0, curve: Curves.elasticOut))),
              child: child,
            ),
          );
        case DialogTransitionType.size:
          return Align(
            alignment: alignment,
            child: SizeTransition(
              sizeFactor: CurvedAnimation(
                parent: animation,
                curve: curve,
              ),
              axis: axis ?? Axis.vertical,
              child: child,
            ),
          );
        case DialogTransitionType.sizeFade:
          return Align(
            alignment: alignment,
            child: SizeTransition(
              sizeFactor: CurvedAnimation(
                parent: animation,
                curve: curve,
              ),
              child: FadeTransition(
                opacity: CurvedAnimation(
                  parent: animation,
                  curve: curve,
                ),
                child: child,
              ),
            ),
          );
        case DialogTransitionType.none:
          return child;
        default:
          return FadeTransition(opacity: animation, child: child);
      }
    },
  );
}