我无法与 twitter 共享内容。每当我在我的应用程序中按下登录到 twitter 按钮时，它都会转到它授权我的应用程序的 web 视图，然后返回到登录页面，即（它不共享）。我给了我下面的代码...请帮助..
常量.java
package com.Background_fb_twitter;
public class Constants {
public static final String CONSUMER_KEY = "UBn5Lh4vUdxc1JqKCOujyw";
public static final String CONSUMER_SECRET= "elbHrX80tfsUsUFjvmjC4RUc4152uk4jR6MATQrxI";
public static final String REQUEST_URL = "https://api.twitter.com/oauth/request_token";
public static final String ACCESS_URL = "https://api.twitter.com/oauth/access_token";
public static final String AUTHORIZE_URL = "https://api.twitter.com/oauth/authorize";
public static final String OAUTH_CALLBACK_SCHEME = "x-oauthflow-twitter";
public static final String OAUTH_CALLBACK_HOST = "callback";
public static final String OAUTH_CALLBACK_URL = OAUTH_CALLBACK_SCHEME + "://" + OAUTH_CALLBACK_HOST;
}
OAuthRequestTokenTask.java
package com.Background_fb_twitter;
import oauth.signpost.OAuthConsumer;
import oauth.signpost.OAuthProvider;
import android.content.Context;
import android.content.Intent;
import twitter4j.Twitter;
import twitter4j.http.AccessToken;
import android.net.Uri;
import android.os.AsyncTask;
import android.util.Log;
/**
* An asynchronous task that communicates with Twitter to
* retrieve a request token.
* (OAuthGetRequestToken)
*
* After receiving the request token from Twitter,
* pop a browser to the user to authorize the Request Token.
* (OAuthAuthorizeToken)
*
*/
public class OAuthRequestTokenTask extends AsyncTask<Void, Void, Void> {
final String TAG = getClass().getName();
private Context context;
private OAuthProvider provider;
private OAuthConsumer consumer;
/**
*
* We pass the OAuth consumer and provider.
*
* @param context
* Required to be able to start the intent to launch the browser.
* @param provider
* The OAuthProvider object
* @param consumer
* The OAuthConsumer object
*/
public OAuthRequestTokenTask(Context context,OAuthConsumer consumer,OAuthProvider provider) {
this.context = context;
this.consumer = consumer;
this.provider = provider;
}
/**
*
* Retrieve the OAuth Request Token and present a browser to the user to authorize the token.
*
*/
@Override
protected Void doInBackground(Void... params) {
try {
Log.i(TAG, "Retrieving request token from Google servers");
final String url = provider.retrieveRequestToken(consumer, Constants.OAUTH_CALLBACK_URL);
Log.i(TAG, "Popping a browser with the authorize URL : " + url);
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url)).setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_NO_HISTORY | Intent.FLAG_FROM_BACKGROUND);
context.startActivity(intent);
} catch (Exception e) {
Log.e(TAG, "Error during OAUth retrieve request token", e);
}
return null;
}
}
PrepareRequestTokenActivity.java
package com.Background_fb_twitter;
import oauth.signpost.OAuth;
import oauth.signpost.OAuthConsumer;
import oauth.signpost.OAuthProvider;
import oauth.signpost.commonshttp.CommonsHttpOAuthConsumer;
import oauth.signpost.commonshttp.CommonsHttpOAuthProvider;
import android.app.Activity;
import twitter4j.Twitter;
import twitter4j.http.AccessToken;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
/**
* Prepares a OAuthConsumer and OAuthProvider
*
* OAuthConsumer is configured with the consumer key & consumer secret.
* OAuthProvider is configured with the 3 OAuth endpoints.
*
* Execute the OAuthRequestTokenTask to retrieve the request, and authorize the
* request.
*
* After the request is authorized, a callback is made here.
*
*/
public class PrepareRequestTokenActivity extends Activity {
final String TAG = getClass().getName();
private OAuthConsumer consumer;
private OAuthProvider provider;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
try {
this.consumer = new CommonsHttpOAuthConsumer(
Constants.CONSUMER_KEY, Constants.CONSUMER_SECRET);
this.provider = new CommonsHttpOAuthProvider(Constants.REQUEST_URL,
Constants.ACCESS_URL, Constants.AUTHORIZE_URL);
} catch (Exception e) {
Log.e(TAG, "Error creating consumer / provider", e);
}
Log.i(TAG, "Starting task to retrieve request token.");
new OAuthRequestTokenTask(this, consumer, provider).execute();
}
/**
* Called when the OAuthRequestTokenTask finishes (user has authorized the
* request token). The callback URL will be intercepted here.
*/
@Override
public void onNewIntent(Intent intent) {
super.onNewIntent(intent);
SharedPreferences prefs = PreferenceManager
.getDefaultSharedPreferences(this);
final Uri uri = intent.getData();
if (uri != null
&& uri.getScheme().equals(Constants.OAUTH_CALLBACK_SCHEME)) {
Log.i(TAG, "Callback received : " + uri);
Log.i(TAG, "Retrieving Access Token");
new RetrieveAccessTokenTask(this, consumer, provider, prefs)
.execute(uri);
finish();
}
}
public class RetrieveAccessTokenTask extends AsyncTask<Uri, Void, Void> {
private Context context;
private OAuthProvider provider;
private OAuthConsumer consumer;
private SharedPreferences prefs;
public RetrieveAccessTokenTask(Context context, OAuthConsumer consumer,
OAuthProvider provider, SharedPreferences prefs) {
this.context = context;
this.consumer = consumer;
this.provider = provider;
this.prefs = prefs;
}
/**
* Retrieve the oauth_verifier, and store the oauth and
* oauth_token_secret for future API calls.
*/
@Override
protected Void doInBackground(Uri... params) {
final Uri uri = params[0];
final String oauth_verifier = uri
.getQueryParameter(OAuth.OAUTH_VERIFIER);
try {
provider.retrieveAccessToken(consumer, oauth_verifier);
final Editor edit = prefs.edit();
edit.putString(OAuth.OAUTH_TOKEN, consumer.getToken());
edit.putString(OAuth.OAUTH_TOKEN_SECRET,
consumer.getTokenSecret());
edit.commit();
String token = prefs.getString(OAuth.OAUTH_TOKEN,
"1685102257-UObwXDCu5YvUNsmNchiTFRSMdHNQISdfXW0hN9Z");
String secret = prefs.getString(OAuth.OAUTH_TOKEN_SECRET,
"owKPgAVxlju9QcaGLZSCcponXqlGTQOxWnwWl22Avts");
consumer.setTokenWithSecret(token, secret);
context.startActivity(new Intent(context,
Background_fb_twitterActivity.class));
executeAfterAccessTokenRetrieval();
Log.i(TAG, "OAuth - Access Token Retrieved");
} catch (Exception e) {
Log.e(TAG, "OAuth - Access Token Retrieval Error", e);
}
return null;
}
private void executeAfterAccessTokenRetrieval() {
String msg = getIntent().getExtras().getString("tweet_msg");
try {
TwitterUtils.sendTweet(prefs, msg);
} catch (Exception e) {
Log.e(TAG, "OAuth - Error sending to Twitter", e);
}
}
}
}
share_text.java
package com.Background_fb_twitter;
import com.facebook.android.Facebook;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class share_text extends Activity {
private EditText edit;
private Button btns;
/** face book details */
static final String APP_ID = "158224494375077";
static final String[] PERMISSIONS = new String[] { "publish_stream" };
static final String TOKEN = "access_token";
static final String EXPIRES = "expires_in";
static final String KEY = "facebook-credentials";
static Facebook facebook1;
private boolean FB_LOGIN = false;
/** ---------------------------------- */
private SharedPreferences prefs1;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.share_alert);
this.prefs1 = PreferenceManager.getDefaultSharedPreferences(this);
edit = (EditText) findViewById(R.id.editText1);
btns = (Button) findViewById(R.id.button1);
btns.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String str = edit.getText().toString();
if (str != "") {
postToWall(str, share_text.this);
if (TwitterUtils.isAuthenticated(prefs1)) {
sendTweet(share_text.this, str);
}
} else {
edit.setError("Please Enter Text!");
}
}
});
}
public static void postToWall(String message, Context con) {
facebook1 = new Facebook(APP_ID);
String st = get_token__(con);
Bundle parameters = new Bundle();
parameters.putString("message", message);
parameters.putString("description", "topic share");
if (st.length() > 0) {
parameters.putString("access_token", "" + st);
}
try {
facebook1.request("me");
String response = facebook1.request("me/feed", parameters, "POST");
Log.d("Tests--->*************", "got response: " + response);
if (response == null
|| response.equals("")
|| response.equals("false")
|| response
.equalsIgnoreCase("{\"error\":{\"message\":\"An active access token must be used to query information about the current user.\",\"type\":\"OAuthException\",\"code\":2500}}")) {
showToast("Blank response. please loginf again in facebook",
con);
clear_fb_data(con);
} else {
showToast("Message posted to your facebook wall!", con);
}
} catch (Exception e) {
showToast("Failed to post to wall!", con);
e.printStackTrace();
}
}
private static String get_token__(Context con) {
// TODO Auto-generated method stub
SharedPreferences sharedPreferences = con.getSharedPreferences(KEY,
Context.MODE_PRIVATE);
return sharedPreferences.getString(TOKEN, null);
}
private static void clear_fb_data(Context con) {
// TODO Auto-generated method stub
SharedPreferences se = PreferenceManager
.getDefaultSharedPreferences(con);
Editor editor = se.edit();
editor.remove(TOKEN);
editor.remove(EXPIRES);
editor.commit();
}
private static void showToast(String message, Context con) {
Toast.makeText(con, message, Toast.LENGTH_SHORT).show();
}
/** twitter methods-------------------------- start */
private final static Handler mTwitterHandler = new Handler();
private static SharedPreferences prefs;
public static boolean TWEET_LOGIN = false;
final static Runnable mUpdateTwitterNotification = new Runnable() {
public void run() {
}
};
public static void sendTweet(Context con, final String msj) {
prefs = PreferenceManager.getDefaultSharedPreferences(con);
Thread t = new Thread() {
public void run() {
try {
TwitterUtils.sendTweet(prefs, msj);
mTwitterHandler.post(mUpdateTwitterNotification);
} catch (Exception ex) {
ex.printStackTrace();
Log.d("kiran-->send tweet:", ex.getMessage().toString());
}
}
};
t.start();
}
/** twitter methods-------------------------- end */
}
TwitterUtils.java
package com.Background_fb_twitter;
import oauth.signpost.OAuth;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.http.AccessToken;
import android.content.SharedPreferences;
import android.net.wifi.WifiConfiguration.Status;
import android.util.Log;
public class TwitterUtils {
public static boolean isAuthenticated(SharedPreferences prefs) {
String token = prefs.getString(OAuth.OAUTH_TOKEN, "1685102257-UObwXDCu5YvUNsmNchiTFRSMdHNQISdfXW0hN9Z");
String secret = prefs.getString(OAuth.OAUTH_TOKEN_SECRET, "owKPgAVxlju9QcaGLZSCcponXqlGTQOxWnwWl22Avts");
AccessToken a = new AccessToken(token, secret);
Twitter twitter = new TwitterFactory().getInstance();
twitter.setOAuthConsumer(Constants.CONSUMER_KEY,
Constants.CONSUMER_SECRET);
twitter.setOAuthAccessToken(a);
try {
twitter.getAccountSettings();
return true;
} catch (TwitterException e) {
return false;
}
}
public static void sendTweet(SharedPreferences prefs, String msg)
throws Exception {
String token = prefs.getString(OAuth.OAUTH_TOKEN, "1685102257-UObwXDCu5YvUNsmNchiTFRSMdHNQISdfXW0hN9Z");
String secret = prefs.getString(OAuth.OAUTH_TOKEN_SECRET, "owKPgAVxlju9QcaGLZSCcponXqlGTQOxWnwWl22Avts");
Log.d("kiran-> token", token);
Log.d("kiran-> secret", secret);
Log.d("kiran-> msg", msg);
try {
AccessToken a = new AccessToken(token, secret);
Log.d("acc_token :", "" + a);
Twitter twitter = new TwitterFactory().getInstance();
twitter.setOAuthConsumer(Constants.CONSUMER_KEY,
Constants.CONSUMER_SECRET);
twitter.setOAuthAccessToken(a);
twitter.updateStatus(""+msg);
} catch (Exception e) { // TODO: handleexception
Log.d("error dj-->", e.getMessage().toString());
}
// try {
// TwitterFactory factory = new TwitterFactory();
// Twitter twitter = factory.getInstance();
// //AccessToken accestoken = new AccessToken(token, secret);
// AccessToken accestoken = new AccessToken("hx6GH2dEk0APOeMKCBof1g", "UTufsnbngxKojsbEEfwLbCoqoSjSk3SeVEMge9YZk0");
//
// twitter.setOAuthAccessToken(accestoken);
// Status status = (Status) twitter.updateStatus(msg);
// System.out.println("it worked!");
// if (((twitter4j.Status) status).getId() == 0) {
// System.out
// .println("Error occured while posting tweets to twitter");
// }
//
// } catch (Exception e) {
// e.printStackTrace();
// Log.d("error dj-->", e.getMessage().toString());
// }
}
}
logcat 错误输出
08-27 12:52:18.522: I/com.Background_fb_twitter.OAuthRequestTokenTask(1433): Popping a browser with the authorize URL : https://api.twitter.com/oauth/authorize?oauth_token=PwL8lrboJD3RIlvc0abFjbEbJSokql1uyCnweyyKJI
08-27 12:53:19.532: I/com.Background_fb_twitter.PrepareRequestTokenActivity(1433): Callback received : x-oauthflow-twitter://callback?oauth_token=PwL8lrboJD3RIlvc0abFjbEbJSokql1uyCnweyyKJI&oauth_verifier=XouInhrvXs8shiqW9iNYZOwUPD3Bfm9y9xbScLWik
08-27 12:53:19.532: I/com.Background_fb_twitter.PrepareRequestTokenActivity(1433): Retrieving Access Token
08-27 12:53:34.872: I/global(1433): Loaded time zone names for en_US in 3472ms.
08-27 12:53:38.492: I/global(1433): Loaded time zone names for en_US in 3595ms.
08-27 12:53:38.502: W/ResponseProcessCookies(1433): Invalid cookie header: "set-cookie: guest_id=v1%3A137758820381898039; Domain=.twitter.com; Path=/; Expires=Thu, 27-Aug-2015 07:23:24 UTC". Unable to parse expires attribute: Thu, 27-Aug-2015 07:23:24 UTC
08-27 12:53:38.632: D/kiran-> token(1433): 1685102257-UObwXDCu5YvUNsmNchiTFRSMdHNQISdfXW0hN9Z
08-27 12:53:38.693: D/kiran-> secret(1433): owKPgAVxlju9QcaGLZSCcponXqlGTQOxWnwWl22Avts
08-27 12:53:38.803: D/acc_token :(1433): AccessToken{screenName='null', userId=0}
08-27 12:53:39.682: D/error dj-->(1433): 403:The request is understood, but it has been refused. An accompanying error message will explain why. This code is used when requests are being denied due to update limits (http://support.twitter.com/forums/10711/entries/15364).
08-27 12:53:39.682: D/error dj-->(1433): <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
08-27 12:53:39.682: D/error dj-->(1433): <HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
08-27 12:53:39.682: D/error dj-->(1433): <TITLE>ERROR: The requested URL could not be retrieved</TITLE>
08-27 12:53:39.682: D/error dj-->(1433): <STYLE type="text/css"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}PRE{font-family:sans-serif}--></STYLE>
08-27 12:53:39.682: D/error dj-->(1433): </HEAD><BODY>
08-27 12:53:39.682: D/error dj-->(1433): <H1>ERROR</H1>
08-27 12:53:39.682: D/error dj-->(1433): <H2>The requested URL could not be retrieved</H2>
08-27 12:53:39.682: D/error dj-->(1433): <HR noshade size="1px">
08-27 12:53:39.682: D/error dj-->(1433): <P>
08-27 12:53:39.682: D/error dj-->(1433): While trying to retrieve the URL:
08-27 12:53:39.682: D/error dj-->(1433): <A HREF="http://api.twitter.com/1/statuses/update.json">http://api.twitter.com/1/statuses/update.json</A>
08-27 12:53:39.682: D/error dj-->(1433): <P>
08-27 12:53:39.682: D/error dj-->(1433): The following error was encountered:
08-27 12:53:39.682: D/error dj-->(1433): <STRONG>
08-27 12:53:39.682: D/error dj-->(1433): Access Denied.
08-27 12:53:39.682: D/error dj-->(1433): </STRONG>
08-27 12:53:39.682: D/error dj-->(1433): <ADDRESS>
08-27 12:53:39.682: D/error dj-->(1433): Generated Tue, 27 Aug 2013 07:23:40 GMT by localhost (squid/2.7.STABLE9)
08-27 12:53:39.682: D/error dj-->(1433): </ADDRESS>
08-27 12:53:39.682: D/error dj-->(1433): </BODY></HTML>
08-27 12:53:39.682: I/com.Background_fb_twitter.PrepareRequestTokenActivity(1433): OAuth - Access Token Retrieved