fix Everything is lost when the app is killed in background for android

location/drivers/android.c

@@ -132,18 +132,38 @@ static bool android_location_start(void *data)
    return true;
 }
 
+#ifdef __ANDROID__
+
 static void android_location_stop(void *data)
 {
-   struct android_app *android_app = (struct android_app*)g_android;
-   androidlocation_t *androidlocation = (androidlocation_t*)data;
-   JNIEnv *env = jni_thread_getenv();
-   if (!env)
+ androidlocation_t *androidlocation = (androidlocation_t*)data;
+   JNIEnv *env                     = jni_thread_getenv();
+
+   if (!androidlocation || !env)
       return;
 
+   // Check if the auto save state feature is enabled
+   settings_t* settings = config_get_ptr();
+   bool auto_save_state = settings->bools.auto_save_state;
+
+   if (auto_save_state)
+   {
+      // Make a save state
+      command_event(CMD_EVENT_SAVE_STATE, NULL);
+
+      // Flush the auto save state to disk
+      command_event(CMD_EVENT_AUTOSAVE_DELETE, NULL);
+   }
+
+   // Flush SRAM to disk
+   command_event(CMD_EVENT_SAVE_FILES, NULL);
+
+   // Stop the location service
+   struct android_app *android_app = (struct android_app*)g_android;
    CALL_VOID_METHOD(env, android_app->activity->clazz,
-         androidlocation->onLocationStop);
+                    androidlocation->onLocationStop);
 }
-
+#endif
 static bool android_location_get_position(void *data, double *latitude,
       double *longitude, double *horiz_accuracy,
       double *vert_accuracy)

location_driver.c

@@ -107,6 +107,24 @@ bool driver_location_start(void)
 
 void driver_location_stop(void)
 {
+#ifdef __ANDROID__
+   // Check if the auto save state feature is enabled
+   settings_t* settings = config_get_ptr();
+   bool auto_save_state = settings->bools.auto_save_state;
+
+   if (auto_save_state)
+   {
+      // Make a save state
+      command_event(CMD_EVENT_SAVE_STATE, NULL);
+
+      // Flush the auto save state to disk
+      command_event(CMD_EVENT_AUTOSAVE_DELETE, NULL);
+   }
+
+   // Flush SRAM to disk
+   command_event(CMD_EVENT_SAVE_FILES, NULL);
+#endif
+
    location_driver_state_t 
       *location_st              = &location_driver_st;
    if (     location_st
@@ -116,6 +134,8 @@ void driver_location_stop(void)
       location_st->driver->stop(location_st->data);
 }
 
+
+
 void driver_location_set_interval(unsigned interval_msecs,
       unsigned interval_distance)
 {