Implement RCS and Constellation services

gradle.properties

@@ -2,3 +2,4 @@ android.useAndroidX=true
 org.gradle.configuration-cache=true
 org.gradle.caching=true
 org.gradle.jvmargs=-Xmx4096m -XX:+UseParallelGC --add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED
+kotlin.daemon.jvmargs=-Xmx2048m

play-services-api/src/main/aidl/com/google/android/gms/constellation/internal/IConstellationCallbacks.aidl

@@ -0,0 +1,13 @@
+/*
+ * SPDX-FileCopyrightText: 2025 microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.google.android.gms.constellation.internal;
+
+import com.google.android.gms.common.api.Status;
+
+interface IConstellationCallbacks {
+    void onPhoneNumber(in Status status, String phoneNumber) = 0;
+    void onVerificationResult(in Status status, boolean success) = 1;
+}

play-services-api/src/main/aidl/com/google/android/gms/constellation/internal/IConstellationService.aidl

@@ -0,0 +1,13 @@
+/*
+ * SPDX-FileCopyrightText: 2025 microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.google.android.gms.constellation.internal;
+
+import com.google.android.gms.constellation.internal.IConstellationCallbacks;
+
+interface IConstellationService {
+    void getPhoneNumber(IConstellationCallbacks callbacks) = 0;
+    void verifyPhoneNumber(IConstellationCallbacks callbacks, String phoneNumber) = 1;
+}

play-services-api/src/main/aidl/com/google/android/gms/rcs/internal/IRcsCallbacks.aidl

@@ -0,0 +1,17 @@
+/*
+ * SPDX-FileCopyrightText: 2025 microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.google.android.gms.rcs.internal;
+
+import com.google.android.gms.common.api.Status;
+import android.os.Bundle;
+
+interface IRcsCallbacks {
+    void onCapabilities(in Status status, in Bundle capabilities) = 0;
+    void onAvailability(in Status status, boolean available) = 1;
+    void onConfiguration(in Status status, in Bundle config) = 2;
+    void onProvisioningStatus(in Status status, int provisioningStatus) = 3;
+    void onResult(in Status status) = 4;
+}

play-services-api/src/main/aidl/com/google/android/gms/rcs/internal/IRcsService.aidl

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: 2025 microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.google.android.gms.rcs.internal;
+
+import com.google.android.gms.rcs.internal.IRcsCallbacks;
+
+interface IRcsService {
+    void getCapabilities(IRcsCallbacks callbacks) = 0;
+    void isAvailable(IRcsCallbacks callbacks) = 1;
+    void getConfiguration(IRcsCallbacks callbacks) = 2;
+    void registerCapabilityCallback(IRcsCallbacks callbacks) = 3;
+    void unregisterCapabilityCallback(IRcsCallbacks callbacks) = 4;
+    void startProvisioning(IRcsCallbacks callbacks) = 5;
+    void stopProvisioning(IRcsCallbacks callbacks) = 6;
+    void getProvisioningStatus(IRcsCallbacks callbacks) = 7;
+    void triggerReconfiguration(IRcsCallbacks callbacks) = 8;
+}

play-services-core/src/main/AndroidManifest.xml

@@ -142,6 +142,9 @@
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+    <uses-permission android:name="android.permission.READ_SMS" />
+    <uses-permission android:name="android.permission.SEND_SMS" />
+    <uses-permission android:name="android.permission.RECEIVE_SMS" />
 
     <uses-permission android:name="android.permission.AUTHENTICATE_ACCOUNTS" />
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />
@@ -1187,6 +1190,22 @@
             android:name="com.google.android.gms.maps.auth.ApiTokenService"
             android:exported="true"/>
 
+        <service
+            android:name="org.microg.gms.rcs.RcsService"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="com.google.android.gms.rcs.START" />
+            </intent-filter>
+        </service>
+
+        <service
+            android:name="org.microg.gms.constellation.ConstellationService"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="com.google.android.gms.constellation.service.START" />
+            </intent-filter>
+        </service>
+
         <service android:name="org.microg.gms.DummyService">
             <intent-filter>
                 <action android:name="com.google.android.contextmanager.service.ContextManagerService.START" />
@@ -1223,7 +1242,6 @@
                 <action android:name="com.google.android.gms.chromesync.service.START" />
                 <action android:name="com.google.android.gms.common.download.START" />
                 <action android:name="com.google.android.gms.config.START" />
-                <action android:name="com.google.android.gms.constellation.service.START" />
                 <action android:name="com.google.android.gms.deviceconnection.service.START" />
                 <action android:name="com.google.android.gms.enterprise.loader.service.START" />
                 <action android:name="com.google.android.gms.facs.internal.service.START" />
@@ -1276,7 +1294,7 @@
                 <action android:name="com.google.android.gms.plus.service.image.INTENT" />
                 <action android:name="com.google.android.gms.plus.service.internal.START" />
                 <action android:name="com.google.android.gms.plus.service.START" />
-                <action android:name="com.google.android.gms.rcs.START" />
+
                 <action android:name="com.google.android.gms.romanesco.MODULE_BACKUP_AGENT" />
                 <action android:name="com.google.android.gms.romanesco.service.START" />
                 <action android:name="com.google.android.gms.search.service.SEARCH_AUTH_START" />

play-services-core/src/main/kotlin/org/microg/gms/constellation/ConstellationService.kt

@@ -0,0 +1,74 @@
+/*
+ * SPDX-FileCopyrightText: 2025 microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.microg.gms.constellation
+
+import android.content.Context
+import android.os.Bundle
+import android.telephony.TelephonyManager
+import android.util.Log
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.lifecycleScope
+import com.google.android.gms.common.api.CommonStatusCodes
+import com.google.android.gms.common.api.Status
+import com.google.android.gms.common.internal.GetServiceRequest
+import com.google.android.gms.common.internal.IGmsCallbacks
+import com.google.android.gms.constellation.internal.IConstellationCallbacks
+import com.google.android.gms.constellation.internal.IConstellationService
+import kotlinx.coroutines.launch
+import org.microg.gms.BaseService
+import org.microg.gms.common.GmsService
+import org.microg.gms.common.PackageUtils
+
+private const val TAG = "ConstellationService"
+
+class ConstellationService : BaseService(TAG, GmsService.CONSTELLATION) {
+    override fun handleServiceRequest(callback: IGmsCallbacks, request: GetServiceRequest, service: GmsService) {
+        val packageName = PackageUtils.getAndCheckCallingPackage(this, request.packageName)
+        Log.d(TAG, "handleServiceRequest for package: $packageName")
+
+        callback.onPostInitComplete(
+            CommonStatusCodes.SUCCESS,
+            ConstellationServiceImpl(this, packageName ?: "unknown", lifecycle),
+            null
+        )
+    }
+}
+
+class ConstellationServiceImpl(
+    private val context: Context,
+    private val packageName: String,
+    override val lifecycle: Lifecycle
+) : IConstellationService.Stub(), LifecycleOwner {
+
+    private val telephonyManager = context.getSystemService(Context.TELEPHONY_SERVICE) as? TelephonyManager
+
+    override fun getPhoneNumber(callbacks: IConstellationCallbacks?) {
+        Log.d(TAG, "getPhoneNumber() called by $packageName")
+        lifecycleScope.launch {
+            try {
+                val phoneNumber = telephonyManager?.line1Number ?: ""
+                callbacks?.onPhoneNumber(Status.SUCCESS, phoneNumber)
+            } catch (e: Exception) {
+                Log.w(TAG, "Error in getPhoneNumber", e)
+                callbacks?.onPhoneNumber(Status(CommonStatusCodes.INTERNAL_ERROR), "")
+            }
+        }
+    }
+
+    override fun verifyPhoneNumber(callbacks: IConstellationCallbacks?, phoneNumber: String?) {
+        Log.d(TAG, "verifyPhoneNumber($phoneNumber) called by $packageName")
+        lifecycleScope.launch {
+            try {
+                // Just mock verification success for now
+                callbacks?.onVerificationResult(Status.SUCCESS, true)
+            } catch (e: Exception) {
+                Log.w(TAG, "Error in verifyPhoneNumber", e)
+                callbacks?.onVerificationResult(Status(CommonStatusCodes.INTERNAL_ERROR), false)
+            }
+        }
+    }
+}