Examples with JsPromptResult android.webkit.JsPromptResult used on opensource projects

Example 11 with JsPromptResult

use of android.webkit.JsPromptResult in project BookReader by JustWayward.

the class ProgressWebView method initWebview.

private void initWebview(String url) {
    mWebView.addJavascriptInterface(this, "android");
    WebSettings webSettings = mWebView.getSettings();
    webSettings.setJavaScriptEnabled(true);
    // 设置可以访问文件
    webSettings.setAllowFileAccess(true);
    // 设置可以支持缩放
    webSettings.setSupportZoom(true);
    // 设置默认缩放方式尺寸是far
    webSettings.setDefaultZoom(WebSettings.ZoomDensity.MEDIUM);
    // 设置出现缩放工具
    webSettings.setBuiltInZoomControls(false);
    webSettings.setDefaultFontSize(16);
    mWebView.loadUrl(url);
    // 设置WebViewClient
    mWebView.setWebViewClient(new WebViewClient() {

        // url拦截
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            // 使用自己的WebView组件来响应Url加载事件，而不是使用默认浏览器器加载页面
            view.loadUrl(url);
            // 相应完成返回true
            return true;
        // return super.shouldOverrideUrlLoading(view, url);
        }

        // 页面开始加载
        @Override
        public void onPageStarted(WebView view, String url, Bitmap favicon) {
            mProgressBar.setVisibility(View.VISIBLE);
            super.onPageStarted(view, url, favicon);
        }

        // 页面加载完成
        @Override
        public void onPageFinished(WebView view, String url) {
            mProgressBar.setVisibility(View.GONE);
            super.onPageFinished(view, url);
        }

        // WebView加载的所有资源url
        @Override
        public void onLoadResource(WebView view, String url) {
            super.onLoadResource(view, url);
        }

        @Override
        public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
            // view.loadData(errorHtml, "text/html; charset=UTF-8", null);
            super.onReceivedError(view, errorCode, description, failingUrl);
        }
    });
    // 设置WebChromeClient
    mWebView.setWebChromeClient(new WebChromeClient() {

        @Override
        public // 处理javascript中的alert
        boolean onJsAlert(WebView view, String url, String message, final JsResult result) {
            return super.onJsAlert(view, url, message, result);
        }

        @Override
        public // 处理javascript中的confirm
        boolean onJsConfirm(WebView view, String url, String message, final JsResult result) {
            return super.onJsConfirm(view, url, message, result);
        }

        @Override
        public // 处理javascript中的prompt
        boolean onJsPrompt(WebView view, String url, String message, String defaultValue, final JsPromptResult result) {
            return super.onJsPrompt(view, url, message, defaultValue, result);
        }

        // 设置网页加载的进度条
        @Override
        public void onProgressChanged(WebView view, int newProgress) {
            mProgressBar.setProgress(newProgress);
            super.onProgressChanged(view, newProgress);
        }

        // 设置程序的Title
        @Override
        public void onReceivedTitle(WebView view, String title) {
            super.onReceivedTitle(view, title);
        }
    });
    mWebView.setOnKeyListener(new OnKeyListener() {

        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (event.getAction() == KeyEvent.ACTION_DOWN) {
                if (keyCode == KeyEvent.KEYCODE_BACK && mWebView.canGoBack()) {
                    // 表示按返回键
                    // 后退
                    mWebView.goBack();
                    // 已处理
                    return true;
                }
            }
            return false;
        }
    });
}