1、增加依赖common_utils、image_picker；2、增加Logger工具

example/pubspec.lock

@@ -71,6 +71,27 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.16.0"
+  common_utils:
+    dependency: transitive
+    description:
+      name: common_utils
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.0.2"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.3.3+1"
   crypto:
     dependency: transitive
     description:
@@ -85,6 +106,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.4"
+  decimal:
+    dependency: transitive
+    description:
+      name: decimal
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.2.0"
   dio:
     dependency: transitive
     description:
@@ -160,6 +188,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.4"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.7"
   flutter_spinkit:
     dependency: transitive
     description:
@@ -212,6 +247,41 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.0.0"
+  image_picker:
+    dependency: transitive
+    description:
+      name: image_picker
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.8.5+3"
+  image_picker_android:
+    dependency: transitive
+    description:
+      name: image_picker_android
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.8.5+2"
+  image_picker_for_web:
+    dependency: transitive
+    description:
+      name: image_picker_for_web
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.8"
+  image_picker_ios:
+    dependency: transitive
+    description:
+      name: image_picker_ios
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.8.5+6"
+  image_picker_platform_interface:
+    dependency: transitive
+    description:
+      name: image_picker_platform_interface
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.6.1"
   js:
     dependency: transitive
     description:
@@ -429,6 +499,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.2.4"
+  rational:
+    dependency: transitive
+    description:
+      name: rational
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.2.0"
   rxdart:
     dependency: transitive
     description:

lib/utils/log_utils.dart

+import 'package:logger/logger.dart';
+
+
+var logger = Logger(
+  printer: PrettyPrinter(),
+);
+
+var loggerNoStack = Logger(
+  printer: PrettyPrinter(methodCount: 0),
+);
+

pubspec.yaml

@@ -42,6 +42,10 @@ dependencies:
   octo_image: ^1.0.2
   # https://pub.dev/packages/cached_network_image
   cached_network_image: ^3.2.1
+  # https://pub.dev/packages/common_utils
+  common_utils: ^2.1.0
+  # https://pub.dev/packages/image_picker
+  image_picker: ^0.8.5+3