Hi Megha,
Thanks for your example.
My question is how to get asset htm file's length,
AssetManager.openFd(String fileName).getLength() will get an error to
tell cannot open the htm file.
Thanks.
Anthony
On 8月22日, 上午4时21分, "Megha Joshi" <[EMAIL PROTECTED]> wrote:
> On Wed, Aug 20, 2008 at 4:46 PM, Megha Joshi <[EMAIL PROTECTED]> wrote:
> > For security reasons, WebView does not allow "file:" access any more.
>
> > If you want the link to be loaded in your activity, you should provide a
> > WebViewClient and implement shouldOverrideUrlLoading with { return false; }
>
> This option does not work anymore, sorry for the confusion!
>
> So the only way to load local file contents into WebView, is as Gil pointed
> out ...by loading the contents with loadData()/
>
> Sample code:
> static final int MAXFILESIZE = 8096;
> String path = uri.getPath();
> File f = new File(path);
> final long length = f.length();
> if (!f.exists() || length > MAXFILESIZE) {
> return;
> }
>
> // typecast to int is safe as long as MAXFILESIZE < MAXINT
> byte[] array = new byte[(int)length];
>
> try {
> InputStream is = new FileInputStream(f);
> is.read(array);
> is.close();
> } catch (FileNotFoundException ex) {
> // Checked for file existance already, so this should not happen
> return;
> } catch (IOException ex) {
> // read or close failed
> Log.e(LOGTAG, "Failed to access file: " + path, ex);
> return;
> }
> mWebView.loadData(new String(array), mimeType, null);
>
> There is a 8KB limit on the file size. So if your data is more that 8KB, you
> should create a content provider
> for your files and then the use the ContentResolver.openContentURI()...
>
>
>
> > On Wed, Aug 20, 2008 at 4:34 PM, [EMAIL PROTECTED] <
> > [EMAIL PROTECTED]> wrote:
>
> >> I used WebView to display rich content emails (I'm writing a mail
> >> client). It worked well loading URI such as
> >> file://sdcard/filewhateveryouwant.xxx
> >> ...
> >> Now I upgraded to 0.9 and Android OS is displaying me a page with "The
> >> requested file was not found."
>
> >> Maybe a PERMISSION issue?
>
> >> On 19 Ago, 20:36, "Megha Joshi" <[EMAIL PROTECTED]> wrote:
> >> > Browser does not support viewing local files...
>
> >> > On Tue, Aug 19, 2008 at 12:38 AM, Peli <[EMAIL PROTECTED]> wrote:
>
> >> > > Is it possible to open a local file in the browser?
>
> >> > > In the Android browser, I tried menu / go to:
> >> > > file:///sdcard/test.html
>
> >> > > I always receive the error message:
> >> > > "Web page not available.
> >> > > The web page at file:///sdcard/test.html could not be loaded as:
> >> > > The requested file was not found."
>
> >> > > even though the files exist in /sdcard/test.html.
> >> > > Do I have to use a different URL, or put files into a different
> >> > > folder?
>
> >> > > Peli
>
> >> > > PS: From within an application, there seems to be a way to load local
> >> > > files:
>
> >> > > "The prefix "file:///android_asset/" will cause WebView to load
> >> > > content from the current application's assets folder."
> >> > >http://code.google.com/android/reference/android/webkit/WebView.html
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