bump to 3.1.0-nullsafety.1

CHANGELOG.md

+## 3.1.0-nullsafety.1
+* Android支持通过H5冷启动app传递<wx-open-launch-app>中的extinfo数据
+* Android新加<meta-data>handleWeChatRequestByFluwx</meta-data>。
+
 ## 3.0.0-nullsafety.2
 * Fix trailing , issue
 

example/android/app/src/main/AndroidManifest.xml

@@ -25,7 +25,7 @@
             </intent-filter>
             <meta-data
                 android:name="handleWeChatRequestByFluwx"
-                android:value="false" />
+                android:value="true" />
         </activity>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->

pubspec.yaml

 name: fluwx
 description: The capability of implementing WeChat SDKs in Flutter. With Fluwx, developers can use WeChatSDK easily, such as sharing, payment, lanuch mini program and etc.
-version: 3.0.0-nullsafety.2
+version: 3.1.0-nullsafety.1
 homepage: https://github.com/JarvanMo/fluwx
 
 environment: