build(android): migrate RTC dependencies to official Maven repositories

Author: zhangwei

Android/APIExample-Audio/cloud_build.sh

@@ -33,8 +33,7 @@ else
   fi
 fi
 
-#change android maven to china repos
-sed -ie "s#google()#maven { url \"https\://maven.aliyun.com/repository/public\" }\n        google()#g" settings.gradle
+# Maven repositories are configured in settings; mirror only the Gradle distribution.
 sed -ie "s#https://services.gradle.org/distributions#https://mirrors.cloud.tencent.com/gradle#g" gradle/wrapper/gradle-wrapper.properties
 
 set_local_property() {

Android/APIExample-Audio/settings.gradle

@@ -14,6 +14,16 @@ pluginManagement {
 dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {
+        // Resolve RTC SDK modules and their infrastructure dependencies from the official source.
+        exclusiveContent {
+            forRepository {
+                maven { url = 'https://download.agora.io/maven/' }
+            }
+            filter {
+                includeGroup("io.agora.rtc")
+                includeGroup("io.agora.infra")
+            }
+        }
         google()
         mavenCentral()
     }

Android/APIExample-Compose/cloud_build.sh

@@ -33,8 +33,7 @@ else
   fi
 fi
 
-#change android maven to china repos
-sed -ie "s#google()#maven { url = uri(\"https://maven.aliyun.com/repository/public\") }\n        google()#g" settings.gradle.kts
+# Maven repositories are configured in settings; mirror only the Gradle distribution.
 sed -ie "s#https://services.gradle.org/distributions#https://mirrors.cloud.tencent.com/gradle#g" gradle/wrapper/gradle-wrapper.properties
 
 set_local_property() {

Android/APIExample-Compose/settings.gradle.kts

@@ -14,6 +14,16 @@ pluginManagement {
 dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {
+        // Resolve RTC SDK modules and their infrastructure dependencies from the official source.
+        exclusiveContent {
+            forRepository {
+                maven { url = uri("https://download.agora.io/maven/") }
+            }
+            filter {
+                includeGroup("io.agora.rtc")
+                includeGroup("io.agora.infra")
+            }
+        }
         google()
         mavenCentral()
     }

Android/APIExample/cloud_build.sh

@@ -30,11 +30,6 @@ else
   fi
 fi
 
-#change android maven to china repos
-#sed -ie "s#google()#maven { url \"https\://maven.aliyun.com/repository/public\" }\n        google()#g" settings.gradle
-#sed -ie "s#https://services.gradle.org/distributions#https://mirrors.cloud.tencent.com/gradle#g"
-# gradle/wrapper/gradle-wrapper.properties
-
 set_local_property() {
   key="$1"
   value="$2"

Android/APIExample/settings.gradle

@@ -14,6 +14,16 @@ pluginManagement {
 dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {
+        // Resolve RTC SDK modules and their infrastructure dependencies from the official source.
+        exclusiveContent {
+            forRepository {
+                maven { url = 'https://download.agora.io/maven/' }
+            }
+            filter {
+                includeGroup("io.agora.rtc")
+                includeGroup("io.agora.infra")
+            }
+        }
         google()
         mavenCentral()
         maven {
@@ -29,4 +39,4 @@ if (simpleFilter.toBoolean()) {
 }
 if (streamEncrypt.toBoolean()) {
     include ':agora-stream-encrypt'
-}
+}

docs/ai/project-matrix.md

@@ -15,6 +15,19 @@ change contract; this document defines the stable project inventory and dependen
 | macOS AppKit | `macOS/` | `AgoraRtcEngine_macOS` in `Podfile` | `macOS/AGENTS.md` |
 | Windows MFC | `windows/APIExample/` | Local `../../sdk` or public `Agora_Native_SDK_for_Windows_*_FULL.zip` | `windows/AGENTS.md` |
 
+## Android SDK source
+
+All three Android projects resolve `io.agora.rtc` and `io.agora.infra` exclusively
+from [the official Agora Maven repository](https://download.agora.io/maven/) when a local
+`../../sdk` directory is absent. Repository routing is declared in each project's
+`settings.gradle` or `settings.gradle.kts`; use the fixed `rtc_sdk_version` from
+`gradle.properties`. Plugin and other third-party dependency repositories are separate.
+
+The checked-in settings are included in source packages. Cloud build adapters do
+not inject an Aliyun Maven repository for RTC dependencies. Validate Maven resolution
+without a local SDK and with a fresh dependency cache; compiling with a bundled SDK does
+not validate the public repository.
+
 ## Scope Rules
 
 - SDK version, dependency, credential plumbing, CI, and packaging changes require review of