xuyisheng / flutter_dojo Goto Github PK

`Compiler message:
lib/widgets/touchinteractions/dragtarget.dart:73:28: Error: The argument type 'Null Function(double)' can't be assigned to the parameter type 'void Function(Object)'.

• 'Object' is from 'dart:core'.
  onLeave: (double value) {
  ^
  Target kernel_snapshot failed: Exception: Errors during snapshot creation: null
  build failed.

FAILURE: Build failed with an exception.

• Where:
  Script 'D:\Flutter\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 801

• What went wrong:
  Execution failed for task ':app:compileFlutterBuildDebug'.

Process 'command 'D:\Flutter\flutter\bin\flutter.bat'' finished with non-zero exit value 1

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.`

Describe the bug
Flutter版本1.22.3，项目运行不了

Compiler message:
Error: Could not resolve the package 'image' in 'package:image/image.dart'.
lib/category/animation/simulation/particle.dart:9:8: Error: Not found: 'package:image/image.dart'
import 'package:image/image.dart' as image;
^
lib/category/animation/simulation/particle.dart:92:28: Error: Type 'image.Image' not found.
void separatePixels(List<image.Image> blankLayers, image.Image fullImage, int width, int height) {
^^^^^^^^^^^
lib/category/animation/simulation/particle.dart:92:54: Error: Type 'image.Image' not found.
void separatePixels(List<image.Image> blankLayers, image.Image fullImage, int width, int height) {
^^^^^^^^^^^
lib/category/animation/simulation/particle.dart:103:10: Error: Type 'image.Image' not found.
Future<image.Image> convertWidget2Image() async {
^^^^^^^^^^^
lib/category/animation/simulation/particle.dart:111:30: Error: Type 'image.Image' not found.
Widget convertImage2Widget(image.Image png) {
^^^^^^^^^^^
lib/category/animation/simulation/particle.dart:82:11: Error: 'Image' isn't a type.
image.Image fullImage = await convertWidget2Image();
^^^^^
lib/category/animation/simulation/particle.dart:85:16: Error: 'Image' isn't a type.
List<image.Image> blankLayers = List.generate(widget.numberOfLayers, (i) => image.Image(width, height));
^^^^^
lib/category/animation/simulation/particle.dart:85:81: Error: Method not found: 'Image'.
List<image.Image> blankLayers = List.generate(widget.numberOfLayers, (i) => image.Image(width, height));
^^^^^
lib/category/animation/simulation/particle.dart:92:34: Error: 'Image' isn't a type.
void separatePixels(List<image.Image> blankLayers, image.Image fullImage, int width, int height) {
^^^^^
lib/category/animation/simulation/particle.dart:92:60: Error: 'Image' isn't a type.
void separatePixels(List<image.Image> blankLayers, image.Image fullImage, int width, int height) {
^^^^^
lib/category/animation/simulation/particle.dart:108:12: Error: Method not found: 'decodeImage'.
return image.decodeImage(pngBytes);
^^^^^^^^^^^
lib/category/animation/simulation/particle.dart:111:36: Error: 'Image' isn't a type.
Widget convertImage2Widget(image.Image png) {
^^^^^
lib/category/animation/simulation/particle.dart:112:41: Error: Method not found: 'encodePng'.
Uint8List data = Uint8List.fromList(image.encodePng(png));
^^^^^^^^^
lib/category/widgets/touchinteractions/dragtarget.dart:86:28: Error: The argument type 'Null Function(double)' can't be assigned to the parameter type 'void Function(Object)'.

• 'Object' is from 'dart:core'.
  onLeave: (double value) {
  ^

问一下用的依赖的是flutter什么版本，dart是什么版本

titlte需要修复，识别不了最新flutter,时间选择器有点丑，我还以为flutter自带炫酷的时间选择器啊

代码多的时候，看的有点眼疼。所以，想问一下，可不可以增加代码缩放的功能？类似于 as 里面的那样。

Describe the bug
ItemLayout这个布局中，和Overflow还有flutter feed 列表

run flutter doctor

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如题

源文件的名称是下划线区分单词，而跳转markdown显示源代码的时候却是
MaterialPageRoute( builder: (context) => MarkdownPage(codePath + title.toLowerCase() + '.dart'), )
直接将‘页面标题’转为小写字母，导致很多界面，点击查看源码的时候打开的路径异常而无法获取到正确的源码文件，从而没法实现跳转。