webview加载自定义上下文菜单

WebSettings webSettings = webView.getSettings();
webSettings.setJavaScriptEnabled(true);
webSettings.setDomStorageEnabled(true);

webView.setOnLongClickListener(new View.OnLongClickListener() {
    @Override
    public boolean onLongClick(View v) {
        WebView.HitTestResult hitTestResult = webView.getHitTestResult();
        if (hitTestResult.getType() == WebView.HitTestResult.SRC_ANCHOR_TYPE) {
            showCustomContextMenu();
            return true;
        }
        return false;
    }
});

private void showCustomContextMenu() {
    PopupMenu popupMenu = new PopupMenu(this, webView);
    popupMenu.inflate(R.menu.custom_context_menu);
    popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
        @Override
        public boolean onMenuItemClick(MenuItem item) {
            switch (item.getItemId()) {
                case R.id.action_open_link_in_new_tab:
                    // 在新标签页中打开链接
                    break;
                case R.id.action_copy_link_address:
                    // 复制链接地址
                    break;
                case R.id.action_share_link:
                    // 分享链接
                    break;
            }
            return false;
        }
    });
    popupMenu.show();
}