基础使用报错。

[sansanshow]

code

new Container(
    height: 120.0,
    child: new Swiper(
      itemBuilder: (BuildContext context,int index){
        return new Image.network("http://img.jandan.net/news/2018/09/2d5ff15b73f85dbd9ff302b9d4f85d4b.jpg", fit: BoxFit.fill,);
      },
      itemCount: 3,
      pagination: new SwiperPagination(),
      control: new SwiperControl(),
    ),
  );

错误信息（error）:

I/flutter ( 1831): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter ( 1831): The following NoSuchMethodError was thrown building AnimatedBuilder(animation:
I/flutter ( 1831): PageController#fda49(one client, offset 384000000000.0), dirty, state: _AnimatedState#b0c65):
I/flutter ( 1831): No top-level method 'Transform.scale' declared.
I/flutter ( 1831): Receiver: top-level
I/flutter ( 1831): Tried calling: Transform.scale(scale: 1.0, child: Instance of 'Image')
I/flutter ( 1831):
I/flutter ( 1831): When the exception was thrown, this was the stack:
I/flutter ( 1831): #0 _NoneloopPageViewState._buildAnimationItem. (package:flutter_swiper/src/swiper.dart)
I/flutter ( 1831): #1 AnimatedBuilder.build (package:flutter/src/widgets/transitions.dart:634:12)
I/flutter ( 1831): #2 _AnimatedState.build (package:flutter/src/widgets/transitions.dart:97:48)
I/flutter ( 1831): #3 StatefulElement.build (package:flutter/src/widgets/framework.dart:3722:27)
I/flutter ( 1831): #4 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3634:15)
I/flutter ( 1831): #5 Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter ( 1831): #6 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3614:5)
I/flutter ( 1831): #7 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3761:11)
I/flutter ( 1831): #8 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3609:5)
I/flutter ( 1831): #9 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter ( 1831): #10 Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter ( 1831): #11 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4646:14)
I/flutter ( 1831): #12 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter ( 1831): #13 Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter ( 1831): #14 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter ( 1831): #15 Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter ( 1831): #16 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3614:5)
I/flutter ( 1831): #17 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3609:5)
I/flutter ( 1831): #18 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter ( 1831): #19 Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter ( 1831): #20 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter ( 1831): #21 Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter ( 1831): #22 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3614:5)
I/flutter ( 1831): #23 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3609:5)
I/flutter ( 1831): #24 ParentDataElement.mount (package:flutter/src/widgets/framework.dart:3947:11)
I/flutter ( 1831): #25 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter ( 1831): #26 Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)

[lavanoped]

I think it's an issue of setting the size of the child (image). transform.scale happens before the child is even painted. The issue would probably the missing width of the image, since it takes time to load it from internet.

Regards,
Lavan