update build.gradle, so it may work with flutter plugins without namespaces

refilc/android/app/build.gradle

@@ -39,13 +39,13 @@ def debugKeystoreProperties = new Properties()
 def debugKeystorePropertiesFile = rootProject.file("debugkey.properties")
 debugKeystoreProperties.load(new FileInputStream(debugKeystorePropertiesFile))
 
+// magical code that fixes builds
 subprojects {
     afterEvaluate { project ->
         if (project.hasProperty('android')) {
             project.android {
-                if (!hasProperty('namespace') || namespace == null || namespace.isEmpty()) {
-                    // Assign a default namespace based on the project name or group
-                    namespace = project.group.toString() ?: "com.example.${project.name}"
+                if (namespace == null) {
+                    namespace project.group
                 }
             }
         }

refilc/android/build.gradle

@@ -27,6 +27,20 @@ allprojects {
             url "${project(':background_fetch').projectDir}/libs"
         }
     }
+
+    // magical code that fixes builds
+    subprojects {
+        afterEvaluate { project ->
+            if (project.hasProperty('android')) {
+                project.android {
+                    if (namespace == null) {
+                        namespace project.group
+                    }
+                }
+            }
+        }
+    }
+
 }
 
 subprojects {