android在线查看pdf文档下载

pdfShowWebView = (WebView) findViewById(R.id.pdf_show_webview); pdfShowWebView.setWebViewClient(new WebViewClient() { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { // 返回值是true的时候控制去WebView打开，为false调用系统浏览器或第三方浏览器 view.loadUrl(url); return true; } }); WebSettings settings = pdfShowWebView.getSettings(); settings.setSavePassword(false); settings.setJavaScriptEnabled(true); settings.setAllowFileAccessFromFileURLs(true); settings.setAllowUniversalAccessFromFileURLs(true); settings.setBuiltInZoomControls(true); pdfShowWebView.setWebChromeClient(new WebChromeClient()); if (!"".equals(docPath)) { byte[] bytes = null; try {// 获取以字符编码为utf-8的字符 bytes = docPath.getBytes("UTF-8"); } catch (UnsupportedEncodingException e1) { e1.printStackTrace(); } if (bytes != null) { docPath = new BASE64Encoder().encode(bytes);// BASE64转码 } } pdfShowWebView.loadUrl("file:///android_asset/pdfjs/web/viewer.html?file="+ docPath);