Create a marker to indicate that first boot has happened

android/service/platform_api_stub.cpp

@@ -21,9 +21,17 @@
 #include "anbox_rpc.pb.h"
 #include "anbox_bridge.pb.h"
 
+#include <fstream>
+
+#include <sys/stat.h>
+
 #define LOG_TAG "Anboxd"
 #include <cutils/log.h>
 
+namespace {
+constexpr const char *first_boot_marker_path{"/data/.anbox_initialized"};
+}
+
 namespace anbox {
 PlatformApiStub::PlatformApiStub(const std::shared_ptr<rpc::Channel> &rpc_channel) :
     rpc_channel_(rpc_channel) {
@@ -32,7 +40,13 @@ PlatformApiStub::PlatformApiStub(const std::shared_ptr<rpc::Channel> &rpc_channe
 void PlatformApiStub::boot_finished() {
     protobuf::bridge::EventSequence seq;
     auto event = seq.mutable_boot_finished();
-    (void) event;
+
+    struct stat st;
+    if (stat(first_boot_marker_path, &st) != 0) {
+      event->set_first_boot_done(true);
+      std::ofstream marker(first_boot_marker_path);
+    }
+
     rpc_channel_->send_event(seq);
 }
 

src/anbox/bridge/platform_api_skeleton.cpp

@@ -63,9 +63,8 @@ void PlatformApiSkeleton::get_clipboard_data(anbox::protobuf::rpc::Void const *r
 }
 
 void PlatformApiSkeleton::handle_boot_finished_event(const anbox::protobuf::bridge::BootFinishedEvent &event) {
-  (void)event;
-
-  if (boot_finished_handler_) boot_finished_handler_();
+  if (boot_finished_handler_)
+    boot_finished_handler_();
 }
 
 void PlatformApiSkeleton::handle_window_state_update_event(const anbox::protobuf::bridge::WindowStateUpdateEvent &event) {

src/anbox/protobuf/anbox_bridge.proto

@@ -58,6 +58,7 @@ message ClipboardData {
 }
 
 message BootFinishedEvent {
+    optional bool first_boot_done = 1;
 }
 
 message WindowStateUpdateEvent {