typedef struct XrEventDataRecommendedResolutionChangedANDROID {
    XrStructureType    type;
    const void*        next;
} XrEventDataRecommendedResolutionChangedANDROID;

// Created at app startup time.
XrInstance instance;
XrSystemId systemId; // Previously initialized.
uint32_t viewCountOutput; // Previously initialized.

// View configuration type the application uses.
XrViewConfigurationType viewConfigType;

// Poll events for recommended resolution changes.
XrEventDataBuffer event = {XR_TYPE_EVENT_DATA_BUFFER};
XrResult result = xrPollEvent(instance, &event);
if (result == XR_SUCCESS) {
  switch (event.type) {
    case XR_TYPE_EVENT_DATA_RECOMMENDED_RESOLUTION_CHANGED_ANDROID: {
        uint32_t viewCapacityInput = viewCountOutput;
        std::vector<XrViewConfigurationView> views(viewCapacityInput);
        result = xrEnumerateViewConfigurationViews(instance, systemId,
          viewConfigType, viewCapacityInput, &viewCountOutput, views.data());
        if(!XR_SUCCEEDED(result)) {
          // Handle error
        }

        // New recommended resolution is found in
        // views.recommendedImageRectWidth and views.recommendedImageRectHeight
        // Change the resolution for the viewConfigType
      break;
    }
    default:
      break;
  }
}