Method _updateActionBar

packages/core/ui/frame/index.ios.ts:272–302

(page?: Page, disableNavBarAnimation = false)

	}

	public _updateActionBar(page?: Page, disableNavBarAnimation = false): void {
		super._updateActionBar(page);

		if (!this._ios || (page && this.currentPage && this.currentPage.modal === page)) {
			return;
		}

		page = page || this.currentPage;
		const newValue = this._getNavBarVisible(page);
		const disableNavBarAnimationCache = this._ios._disableNavBarAnimation;

		if (disableNavBarAnimation) {
			this._ios._disableNavBarAnimation = true;
		}

		// when showing/hiding navigationbar, the page needs a relayout to avoid overlapping or hidden layouts
		const needsPageLayout = this._ios.showNavigationBar !== newValue;
		this._ios.showNavigationBar = newValue;

		if (disableNavBarAnimation) {
			this._ios._disableNavBarAnimation = disableNavBarAnimationCache;
		}

		if (this._ios.controller?.navigationBar) {
			this._ios.controller.navigationBar.userInteractionEnabled = this.navigationQueueIsEmpty();
		}

		if (needsPageLayout && page) {
			page.requestLayout();
		}
	}

	public _getNavBarVisible(page: Page): boolean {
		switch (this.actionBarVisibility) {