WebView的使用

来源：互联网发布：ubuntu 主题编辑：程序博客网时间：2024/06/05 04:20
  webView= (WebView) findViewById(R.id.webview);        titleTV= (TextView) findViewById(R.id.title);        iconIV= (ImageView) findViewById(R.id.icon);        webView.loadUrl(url);        WebSettings webSettings= webView.getSettings();        webSettings.setJavaScriptEnabled(true);//支持js        webSettings.setSupportZoom(true);//支持缩放        webSettings.setDefaultTextEncodingName("utf-8");//设置编码格式        dialog=new Dialog(this);        dialog.setTitle("你点击了屏幕");        webView.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                //调用js方法，传递参数                //webView.loadUrl("javascript:invokedByJava('android')");            }        });        webView.setWebChromeClient(new WebChromeClient() {            @Override            public void onProgressChanged(WebView view, int newProgress) {                super.onProgressChanged(view, newProgress);                if (newProgress == 100) {                } else {                }            }            @Override            public void onReceivedTitle(WebView view, String title) {                super.onReceivedTitle(view, title);                titleTV.setText(title);            }            @Override            public void onReceivedIcon(WebView view, Bitmap icon) {                super.onReceivedIcon(view, icon);                iconIV.setImageBitmap(icon);            }        });        //阻止webView打开系统浏览器        webView.setWebViewClient(new WebViewClient() {            @Override            public boolean shouldOverrideUrlLoading(WebView view, String url) {                webView.loadUrl(url);                return true;            }        });        //监听网页中的下载        webView.setDownloadListener(new DownloadListener() {            @Override            public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {                if (TextUtils.isEmpty(url))                    return;                Uri uri = Uri.parse(url);                Intent intent = new Intent(Intent.ACTION_VIEW, uri);                startActivity(intent);            }        });        //webView调用js        webView.loadUrl("javascript:do()");        //js调用webView        webView.addJavascriptInterface(new JavascriptInterface(),"demo");
0 0