update version v2.2.2 (#77)

Author: nslogx

CHANGELOG.md

@@ -1,3 +1,7 @@
+## [2.2.2] - 2020.12.28
+
+* fixed [#77](https://github.com/kokohuang/flutter_easyloading/issues/77)
+
 ## [2.2.1] - 2020.11.30
 
 * fixed bugs

README-zh_CN.md

@@ -16,7 +16,7 @@
 
 ```yaml
 dependencies:
-  flutter_easyloading: ^2.2.1
+  flutter_easyloading: ^2.2.2
 ```
 
 ## 导入

README.md

@@ -16,7 +16,7 @@ Add this to your package's `pubspec.yaml` file:
 
 ```yaml
 dependencies:
-  flutter_easyloading: ^2.2.1
+  flutter_easyloading: ^2.2.2
 ```
 
 ## Import

example/ios/Podfile.lock

@@ -1,21 +1,15 @@
 PODS:
   - Flutter (1.0.0)
-  - flutter_boost (0.0.2):
-    - Flutter
 
 DEPENDENCIES:
   - Flutter (from `Flutter`)
-  - flutter_boost (from `.symlinks/plugins/flutter_boost/ios`)
 
 EXTERNAL SOURCES:
   Flutter:
     :path: Flutter
-  flutter_boost:
-    :path: ".symlinks/plugins/flutter_boost/ios"
 
 SPEC CHECKSUMS:
   Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
-  flutter_boost: a7cfa776b75329d5e7d101d0cd33e75042bcde69
 
 PODFILE CHECKSUM: f32fb4e7c14f8b3ca19a369d7be425dd9241af27
 

lib/src/easy_loading.dart

@@ -274,6 +274,14 @@ class EasyLoading {
       value >= 0.0 && value <= 1.0,
       'progress value should be 0.0 ~ 1.0',
     );
+
+    if (_getInstance().loadingStyle == EasyLoadingStyle.custom) {
+      assert(
+        _getInstance().progressColor != null,
+        'while loading style is custom, progressColor should not be null',
+      );
+    }
+
     if (_getInstance().w == null || _getInstance().progressKey == null) {
       if (_getInstance().key != null) await dismiss(animation: false);
       GlobalKey<EasyLoadingProgressState> _progressKey =
@@ -435,10 +443,6 @@ class EasyLoading {
         indicatorColor != null,
         'while loading style is custom, indicatorColor should not be null',
       );
-      assert(
-        progressColor != null,
-        'while loading style is custom, progressColor should not be null',
-      );
       assert(
         textColor != null,
         'while loading style is custom, textColor should not be null',