我在webview中显示网页.现在如何从webview创建PDF？
@H_301_2@例如：webview加载URL是“www.google.co.in”.现在如何将此网页保存为图像并创建pdf？
@H_301_2@任何帮助将不胜感激
解决方法
尝试这样
@H_301_2@WebView有内置的方法称为setPictureListener使用该方法如下
webView1.setPictureListener(new PictureListener() {
public void onNewPicture(WebView view,Picture picture) {
if (picture != null) {
try {
bmp = pictureDrawable2Bitmap(new PictureDrawable(
picture));
} catch (Exception e) {
e.printStackTrace();
}
}
}
});
@H_301_2@为了获取位图,我已经使用了pictureDrawable2Bitmap,这里就是一个
private static Bitmap pictureDrawable2Bitmap(PictureDrawable pictureDrawable) {
Bitmap bitmap = Bitmap.createBitmap(
pictureDrawable.getIntrinsicWidth(),pictureDrawable.getIntrinsicHeight(),Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
canvas.drawPicture(pictureDrawable.getPicture());
return bitmap;
}
@H_301_2@现在你的位图已经准备就绪,现在设置webview客户端如下
webView1.setWebViewClient(new myWebClient());@H_301_2@这里是myWebClient
public class myWebClient extends WebViewClient {
@Override
public void onPageStarted(WebView view,String url,Bitmap favicon) {
// TODO Auto-generated method stub
super.onPageStarted(view,url,favicon);
}
@Override
public boolean shouldOverrideUrlLoading(WebView view,String url) {
// TODO Auto-generated method stub
view.loadUrl(url);
return true;
}
@Override
public void onPageFinished(WebView view,String url) {
// TODO Auto-generated method stub
super.onPageFinished(view,url);
Log.i("OnPageLoadFinished",url);
img.setImageBitmap(bmp);
}
@H_301_2@如页面加载完成后,我已经设置了图像位图,这是当前加载的网址在您的Webview
@H_301_2@现在Bitmap可以通过使用IText Library将该位图传递给Pdf
@H_301_2@下面是一个使用iText Use Below功能编写pdf的例子
public void SimplePDFTable() throws Exception {
File direct = new File(Environment.getExternalStorageDirectory()
.getAbsolutePath() + "/AamirPDF");
if (!direct.exists()) {
if (direct.mkdir()) {
Toast.makeText(MainActivity.this,"Folder Is created in sd card",Toast.LENGTH_SHORT)
.show();
}
}
String test = Environment.getExternalStorageDirectory()
.getAbsolutePath() + "/AamirPDF";
Document document = new Document();
PdfWriter.getInstance(document,new FileOutputStream(test
+ "/mypdf.pdf"));
document.open();
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG,100,stream);
byte[] byteArray = stream.toByteArray();
Image image = Image.getInstance(byteArray);
image.scaleToFit(PageSize.A4.getHeight(),PageSize.A4.getWidth());
document.add(image);
document.close();
}
@H_301_2@祝你好运
