Add namespace to build.gradle (#85)

Fixes #84

Follows changes from:
 * flutter/packages@6284c2d
 * flutter/packages@a86beaf

Author: jonasfj

CHANGELOG.md

@@ -1,3 +1,6 @@
+# 0.5.5
+* Adds a namespace in `build.gradle` for compatibility with AGP 8.0.
+
 # 0.5.4
 * Added MacOS desktop support.
 * Added Windows desktop support.

android/build.gradle

@@ -25,6 +25,11 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
+    // Conditional for compatibility with AGP <4.2.
+    if (project.android.hasProperty("namespace")) {
+        namespace 'dev.google.webcrypto'
+    }
+
     compileSdkVersion 31
 
     // We depend on cmake for the native parts.

pubspec.yaml

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 name: webcrypto
-version: 0.5.4
+version: 0.5.5
 description: Cross-platform implementation of Web Cryptography APIs for Flutter.
 repository: https://github.com/google/webcrypto.dart