1

Android.bp

@@ -1,16 +1,11 @@
-java_library_static {
+android_app {
-    name: "libmqttv5",
+    name: "SystemMqttService",
     srcs: [
-        "src/main/java/org/eclipse/paho/mqttv5/client/**/*.java",
+        "src/**/*.java",
-        "src/main/java/org/eclipse/paho/mqttv5/common/**/*.java",
+        "mqtt/**/*.java",   // 这里把 MQTT v5 源码编译进去
-        "src/main/java/org/eclipse/paho/mqttv5/internal/**/*.java",
-        "src/main/java/org/eclipse/paho/mqttv5/util/**/*.java",
-    ],
-    javac_flags: [
-        "-Xlint:all",
-        "-Werror",
-    ],
-    visibility: [
-        "//frameworks/base/services/core",
     ],
+    platform_apis: true,
+    privileged: true,          // 安装到 /system/priv-app
+    certificate: "platform",   // 用 platform key 签名，拿到系统权限
+    sdk_version: "system_current",
 }

AndroidManifest.xml

@@ -0,0 +1,26 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.mqtt"
+    android:versionCode="1"
+    android:versionName="1.0">
+
+    <!-- 系统服务所需权限 -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.WAKE_LOCK"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
+    <uses-permission android:name="android.permission.READ_PRIVILEGED_PHONE_STATE" />
+
+    <application
+        android:persistent="true"
+        android:label="SystemMqttService"
+        android:hasCode="true"
+        android:directBootAware="true"
+        android:allowBackup="false"
+        android:theme="@android:style/Theme.NoDisplay">
+
+        <service
+            android:name=".SystemMqttService"
+            android:enabled="true"
+            android:exported="false"
+            android:foregroundServiceType="dataSync|connectedDevice"/>
+    </application>
+</manifest>