如何从android应用程序将图像发布到facebook

如何从android应用程序将图像发布到facebook,android,facebook,image,Android,Facebook,Image,可能重复: 我是facebook android sdk的新手。我已经将sdk作为android项目添加到eclipse中。在我的应用程序中有一个图像和一个按钮。我想在按下按钮时将图像上传到facebook。我读过很多关于这方面的帖子。但我不知道该怎么做。有什么帮助吗?试试这个 Button mButton=(Button)findViewById(R.id.button); mButton.setOnClickListener(new View.OnClickListener() {

可能重复:

我是facebook android sdk的新手。我已经将sdk作为android项目添加到eclipse中。在我的应用程序中有一个图像和一个按钮。我想在按下按钮时将图像上传到facebook。我读过很多关于这方面的帖子。但我不知道该怎么做。有什么帮助吗?

试试这个

Button mButton=(Button)findViewById(R.id.button);

mButton.setOnClickListener(new View.OnClickListener() {
         public void onClick(View v) {
             Facebook mFacebook=new Facebook(yourAppID)

    byte[] data = null;
    Bitmap bi = BitmapFactory.decodeFile(imageLink);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bi.compress(Bitmap.CompressFormat.PNG, 100, baos);
    data = baos.toByteArray();

    Bundle params = new Bundle();
    params.putString("method", "photos.upload");
    params.putByteArray("picture", data);

    AsyncFacebookRunner mAsyncRunner = new AsyncFacebookRunner(mFacebook);
    mAsyncRunner.request(null, params, "POST",
            new SampleUploadListener(), null);
         }
     });

public class SampleUploadListener extends BaseRequestListener {

    @SuppressWarnings("unused")
    public void onComplete(final String response, final Object state) {
        try {
            Log.d("Facebook-Example", "Response: " + response.toString());
            JSONObject json = Util.parseJson(response);
            String src = json.getString("src");

            PublishImage.this.runOnUiThread(new Runnable() {
                public void run() {
                    Toast.makeText(getApplicationContext(),
                            "Successfully Uploaded", Toast.LENGTH_SHORT)
                            .show();
                }
            });
        } catch (JSONException e) {
            Log.w("Facebook-Example", "JSON Error in response");
        } catch (FacebookError e) {
            Log.w("Facebook-Example", "Facebook Error: " + e.getMessage());
        }
    }
}

public abstract class BaseRequestListener implements RequestListener {

    public void onFacebookError(FacebookError e, final Object state) {
        Log.e("Facebook", e.getMessage());
        e.printStackTrace();
    }

    public void onFileNotFoundException(FileNotFoundException e,
            final Object state) {
        Log.e("Facebook", e.getMessage());
        e.printStackTrace();
    }

    public void onIOException(IOException e, final Object state) {
        Log.e("Facebook", e.getMessage());
        e.printStackTrace();
    }

    public void onMalformedURLException(MalformedURLException e,
            final Object state) {
        Log.e("Facebook", e.getMessage());
        e.printStackTrace();
    }

}

将图像存储在位图中。并使用以下代码

HttpClient httpClient = new DefaultHttpClient();
HttpContext localContext = new BasicHttpContext();
HttpPost httpPost = new HttpPost(
        "https://graph.facebook.com/me/photos?access_token="
                + AccessTokens.fbaccesstoken);
MultipartEntity entity = new MultipartEntity(
        HttpMultipartMode.BROWSER_COMPATIBLE);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
bitmap.compress(CompressFormat.JPEG, 100, bos);
byte[] data = bos.toByteArray();
entity.addPart("source", new ByteArrayBody(data, "myImage.jpg"));
entity.addPart("message", new StringBody(caption.getText()
        .toString()));
httpPost.setEntity(entity);
HttpResponse response = httpClient.execute(httpPost,localContext);

@上面链接中的SpK,在接受的答案中,缺少很多代码,你能帮我找出如何实现graph api
https://graph.facebook.com/me/photos?access_token=
试试这个,行吗?有了它,我应该把这个代码放在哪里?它应该放在eventlistener的onclick方法中吗?而且,它似乎需要某种形式的会话。如何启动会话我在我的代码中做了更改,将其放在你的onclick方法中。它在FaceBookLoginPage和SampleUploadListener上显示错误现在它在
PublishImage
上显示错误,而不是PublishImage,给它你的类名在WorkPlace(facebook)上做同样的事情有什么想法吗?