Add support for focus awareness

platform/android/export/export.cpp

@@ -772,6 +772,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 		bool screen_support_xlarge = p_preset->get("screen/support_xlarge");
 
 		int xr_mode_index = p_preset->get("xr_features/xr_mode");
+		bool focus_awareness = p_preset->get("xr_features/focus_awareness");
 
 		String plugins_names = get_plugins_names(get_enabled_plugins(p_preset));
 
@@ -928,6 +929,11 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 							}
 						}
 
+						if (tname == "meta-data" && attrname == "value" && value == "oculus_focus_aware_value") {
+							// Update the focus awareness meta-data value
+							string_table.write[attr_value] = xr_mode_index == /* XRMode.OVR */ 1 && focus_awareness ? "true" : "false";
+						}
+
 						if (tname == "meta-data" && attrname == "value" && value == "plugins_value" && !plugins_names.empty()) {
 							// Update the meta-data 'android:value' attribute with the list of enabled plugins.
 							string_table.write[attr_value] = plugins_names;
@@ -1449,6 +1455,7 @@ public:
 		r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "xr_features/xr_mode", PROPERTY_HINT_ENUM, "Regular,Oculus Mobile VR"), 0));
 		r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "xr_features/degrees_of_freedom", PROPERTY_HINT_ENUM, "None,3DOF and 6DOF,6DOF"), 0));
 		r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "xr_features/hand_tracking", PROPERTY_HINT_ENUM, "None,Optional,Required"), 0));
+		r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "xr_features/focus_awareness"), false));
 		r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "one_click_deploy/clear_previous_install"), false));
 		r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "custom_template/debug", PROPERTY_HINT_GLOBAL_FILE, "*.apk"), ""));
 		r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "custom_template/release", PROPERTY_HINT_GLOBAL_FILE, "*.apk"), ""));
@@ -1848,6 +1855,31 @@ public:
 			err += "\n";
 		}
 
+		// Validate the Xr features are properly populated
+		int xr_mode_index = p_preset->get("xr_features/xr_mode");
+		int degrees_of_freedom = p_preset->get("xr_features/degrees_of_freedom");
+		int hand_tracking = p_preset->get("xr_features/hand_tracking");
+		bool focus_awareness = p_preset->get("xr_features/focus_awareness");
+		if (xr_mode_index != /* XRMode.OVR*/ 1) {
+			if (degrees_of_freedom > 0) {
+				valid = false;
+				err += TTR("\"Degrees Of Freedom\" is only valid when \"Xr Mode\" is \"Oculus Mobile VR\".");
+				err += "\n";
+			}
+
+			if (hand_tracking > 0) {
+				valid = false;
+				err += TTR("\"Hand Tracking\" is only valid when \"Xr Mode\" is \"Oculus Mobile VR\".");
+				err += "\n";
+			}
+
+			if (focus_awareness) {
+				valid = false;
+				err += TTR("\"Focus Awareness\" is only valid when \"Xr Mode\" is \"Oculus Mobile VR\".");
+				err += "\n";
+			}
+		}
+
 		r_error = err;
 		return valid;
 	}

platform/android/java/app/AndroidManifest.xml

@@ -45,6 +45,9 @@
             android:resizeableActivity="false"
             tools:ignore="UnusedAttribute" >
 
+            <!-- Focus awareness metadata populated at export time if the user enables it in the 'Xr Features' section. -->
+            <meta-data android:name="com.oculus.vr.focusaware" android:value="oculus_focus_aware_value" />
+
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />