进度直到Web视图加载网页

Question

在我的应用程序中，Web视图需要一些时间来加载几个网页..是否可以显示进度，直到Web视图加载网页。我使用下面的代码来加载网页

do {
    let JSON = try NSJSONSerialization.JSONObjectWithData(validData, options: options) as! [String:AnyObject]

    if let error = JSON["error"] as? String {
        print(error)
        return .ServerError(error)
    }
}
catch let error as NSError {
    print(error)
}

Answer 1

要显示进度条，请在Activity中的oncreateview中使用此方法：

private  WebView web;
private KProgressHUD pDialog;

private void setPages() {

    web = (WebView) findViewById(R.id.web);

    // you can use progressbar or progressdialog or any other
    // progressview here 

    pDialog = KProgressHUD.create(activity)
            .setStyle(KProgressHUD.Style.SPIN_INDETERMINATE)
            .setDimAmount(0.5f);
    pDialog.setCancellable(true);
    pDialog.show();

    web.getSettings().setSupportZoom(true);
    web.getSettings().setBuiltInZoomControls(true);

    web.setWebViewClient(new WebViewClient() {

        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            return super.shouldOverrideUrlLoading(view, url);
        }

        @Override
        public void onPageFinished(WebView view, String url) {
            super.onPageFinished(view, url);

            pDialog.dismiss();

        }
    });

   web.loadUrl(YOUR_URL_HERE);
}