10.0.2.2 is the ip i use in my android code to connect to the server
also running on my computer. I dont get any responses from the server
(the server is tested and works). Anyone have any ideas why?
On Apr 2, 7:11 am, Digit <[EMAIL PROTECTED]> wrote:
> you can't write to C: because the emulator emulates a real phone. on a real
> phone, there is no C: drive to access at all.
> from the outside however, you can use "adb push" and "adb pull" to transfer
> files from/to the emulator (or use the Eclipse plugin's file browser as
> well)
>
> another alternative is to send data to an "outside" server. use the address
> 10.0.2.2 in the emulator to connect to your machine's own localhost (i.e.
> 127.0.0.1) and have a server running there to collect the data.
>
> On Wed, Apr 2, 2008 at 7:48 AM, yizhao <[EMAIL PROTECTED]> wrote:
>
> > I can't write to the C: drive?! That sucks. Are there any other
> > alternatives? I need the Android app to relay info to the outside
> > world (app write data that outside programs consume). These are the
> > two ways I came up with : ).
>
> > When I said I couldn't find this file, I meant the computer file
> > system. How do I access /data/data/<your.app.namespace>/files/
> > out.txt? Can an independent java program be able to read from this
> > file?
>
> > As for the http post, from an independent client, it works (I had to
> > of course change 0.0.2.2 to localhost). The post hits a webapp
> > implemented in Web Works. I have this code sitting inside the
> > onCreate() method of an Activity. It doesn't give any on screen
> > exceptions. Just no result on the server side.
>
> > Thanks again,
> > Yi
>
> > On Apr 2, 1:24 am, "Dan U." <[EMAIL PROTECTED]> wrote:
> > > ok, here's my advice:
>
> > > - You won't be able to write to your c: drive afaik.
> > > - You can't find the file on the file system? Do you mean your
> > > computers file system or the emulators file system? It should be on
> > > the emulator in /data/data/<your.app.namespace>/files/out.txt.
> > > - I don't think there would be a permissions problem for either the
> > > file or http examples you gave.
> > > - Your http post code looks ok at first glance. Are you getting any
> > > exceptions with it?
>
> > > Why do you need to write something to C: anyway? Are you working on
> > > some kind of development tool?
>
> > > On Apr 1, 9:54 pm, yizhao <[EMAIL PROTECTED]> wrote:
>
> > > > Hi everyone,
>
> > > > I have an app that needs to write to a file that is accessible from
> > > > programs outside of Android. The snippet of code is as follows:
>
> > > > OutputStreamWriter osw = new
> > > > OutputStreamWriter( openFileOutput( "out.txt",
> > > > MODE_WORLD_READABLE ) );
> > > > osw.write( "picture taken: " + picId );
> > > > osw.flush();
> > > > osw.close();
>
> > > > Android doesn't allow me to write to the outside, for example the C:
> > > > drive and I'm not able to find this file anywhere on the file system.
> > > > I'm guessing its some kind of permissions problem. I would like to be
> > > > able to write to anywhere on the file system I want. Is that
> > > > possible?
>
> > > > Also, since what I tried above didn't work, I also tried writing a
> > > > Http Post and posting the info to a webapp. This code works
> > > > independently but when put inside an Activitie's onCreate() method, it
> > > > doesn't work. Again, I'm guessing it has to do with permissions:
>
> > > > String data =
> > > > URLEncoder.encode( "signinUserAccount.userName", "UTF-8" ) + "=" +
> > > > URLEncoder.encode("a", "UTF-8");
> > > > data += "&" +
> > > > URLEncoder.encode("signinUserAccount.password", "UTF-8") + "=" +
> > > > URLEncoder.encode("b", "UTF-8");
>
> > > > URL url = new URL("http://10.0.2.2:8080/GoogleCamAF/
> > > > userAccountView.action");
> > > > URLConnection conn = url.openConnection();
> > > > conn.setDoOutput(true);
> > > > OutputStreamWriter wr = new
> > > > OutputStreamWriter(conn.getOutputStream());
> > > > wr.write(data);
> > > > wr.flush();
>
> > > > Any advice would be greatly appreciated!
>
> > > > Yi
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