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src/graphics/vulkan.rs

@@ -42,6 +42,9 @@ pub fn initialize_xr_graphics(
 
     let xr_entry = super::xr_entry();
 
+    #[cfg(target_os = "android")]
+    xr_entry.initialize_android_loader().unwrap();
+
     let available_extensions = xr_entry.enumerate_extensions()?;
     assert!(available_extensions.khr_vulkan_enable2);
     info!("available xr exts: {:#?}", available_extensions);
@@ -102,6 +105,8 @@ pub fn initialize_xr_graphics(
     let device_extensions = vec![
         ash::extensions::khr::Swapchain::name(),
         ash::extensions::khr::DrawIndirectCount::name(),
+        #[cfg(target_os = "android")]
+        ash::extensions::khr::TimelineSemaphore::name(),
     ];
     info!(
         "creating vulkan instance with these extensions: {:#?}",

src/lib.rs

@@ -201,10 +201,17 @@ impl PluginGroup for DefaultXrPlugins {
             .add_before::<RenderPlugin, _>(OpenXrPlugin)
             .add_after::<OpenXrPlugin, _>(OpenXrInput::new(XrControllerType::OculusTouch))
             .set(WindowPlugin {
+                #[cfg(not(target_os = "android"))]
                 primary_window: Some(Window {
                     present_mode: PresentMode::AutoNoVsync,
                     ..default()
                 }),
+                #[cfg(target_os = "android")]
+                primary_window: None,
+                #[cfg(target_os = "android")]
+                exit_condition: bevy::window::ExitCondition::DontExit,
+                #[cfg(target_os = "android")]
+                close_when_requested: true,
                 ..default()
             })
     }