diff --git a/client/react-native/android/.settings/org.eclipse.buildship.core.prefs b/client/react-native/android/.settings/org.eclipse.buildship.core.prefs
index 889f0faf06..e67d5d87e0 100644
--- a/client/react-native/android/.settings/org.eclipse.buildship.core.prefs
+++ b/client/react-native/android/.settings/org.eclipse.buildship.core.prefs
@@ -1,3 +1,3 @@
-#Fri Nov 09 15:06:42 CET 2018
-connection.project.dir=
+#Fri Nov 16 16:53:15 CET 2018
 eclipse.preferences.version=1
+connection.project.dir=
diff --git a/client/react-native/android/app/.classpath b/client/react-native/android/app/.classpath
index 3589094139..eb19361b57 100644
--- a/client/react-native/android/app/.classpath
+++ b/client/react-native/android/app/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-10/"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8/"/>
 	<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
 	<classpathentry kind="output" path="bin/default"/>
 </classpath>
diff --git a/client/react-native/android/app/.settings/org.eclipse.buildship.core.prefs b/client/react-native/android/app/.settings/org.eclipse.buildship.core.prefs
index 4ec4776b69..c4438f2427 100644
--- a/client/react-native/android/app/.settings/org.eclipse.buildship.core.prefs
+++ b/client/react-native/android/app/.settings/org.eclipse.buildship.core.prefs
@@ -1,2 +1,2 @@
-#Fri Nov 09 15:06:42 CET 2018
+#Fri Nov 16 16:53:16 CET 2018
 connection.project.dir=..
diff --git a/client/react-native/android/app/src/main/java/chat/berty/core/CoreModule.java b/client/react-native/android/app/src/main/java/chat/berty/core/CoreModule.java
index 53d504d3b3..59ed8e9d67 100644
--- a/client/react-native/android/app/src/main/java/chat/berty/core/CoreModule.java
+++ b/client/react-native/android/app/src/main/java/chat/berty/core/CoreModule.java
@@ -153,4 +153,31 @@ public void stopBot(Promise promise) {
             promise.reject(err);
         }
     }
+
+    @ReactMethod
+    public void getLocalGRPCInfos(Promise promise) {
+        promise.resolve(Core.getLocalGRPCInfos());
+    }
+
+    @ReactMethod
+    public void startLocalGRPC(Promise promise) {
+        try {
+            Core.startLocalGRPC();
+            promise.resolve(null);
+        } catch (Exception err) {
+            this.logger.format(Level.ERROR, this.getName(), "Unable to update start local gRPC: %s", err);
+            promise.reject(err);
+        }
+    }
+
+    @ReactMethod
+    public void stopLocalGRPC(Promise promise) {
+        try {
+            Core.stopLocalGRPC();
+            promise.resolve(null);
+        } catch (Exception err) {
+            this.logger.format(Level.ERROR, this.getName(), "Unable to update stop local gRPC: %s", err);
+            promise.reject(err);
+        }
+    }
 }
diff --git a/client/react-native/android/ble/.settings/org.eclipse.buildship.core.prefs b/client/react-native/android/ble/.settings/org.eclipse.buildship.core.prefs
index b1886adb46..bdbaa7165a 100644
--- a/client/react-native/android/ble/.settings/org.eclipse.buildship.core.prefs
+++ b/client/react-native/android/ble/.settings/org.eclipse.buildship.core.prefs
@@ -1,2 +1,3 @@
-connection.project.dir=..
+#Fri Nov 16 16:53:16 CET 2018
 eclipse.preferences.version=1
+connection.project.dir=..
diff --git a/client/react-native/android/core/.settings/org.eclipse.buildship.core.prefs b/client/react-native/android/core/.settings/org.eclipse.buildship.core.prefs
new file mode 100644
index 0000000000..c4438f2427
--- /dev/null
+++ b/client/react-native/android/core/.settings/org.eclipse.buildship.core.prefs
@@ -0,0 +1,2 @@
+#Fri Nov 16 16:53:16 CET 2018
+connection.project.dir=..
diff --git a/client/react-native/android/core/core-sources.jar b/client/react-native/android/core/core-sources.jar
index 76a2610cea..8ba011ad92 100644
Binary files a/client/react-native/android/core/core-sources.jar and b/client/react-native/android/core/core-sources.jar differ