如何从android应用程序将图像发布到facebook
可能重复: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() {
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?