为什么方法getOAuthAccessToken总是在twitter4j api中触发异常?

| 我正在按照很多说明从我的应用进行一条简单的推文。我已经在Twitter上注册了它,但是我无法发布一条推文。我可以登录,但不能更新我的状态。这是登录代码
private void twitterLogOn() {
        Twitter twitter = new TwitterFactory().getInstance();
        try {

            twitter.setOAuthConsumer(consumerKey, consumerSecret);
            rToken = twitter.getOAuthRequestToken(myCallBack);
            startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(rToken.getAuthenticationURL())));
        } catch (IllegalStateException e) {
            // access token is already available, or consumer key/secret is not
            // set.
            if (!twitter.getAuthorization().isEnabled()) {
                System.out.println(\"OAuth consumer key/secret is not set.\");
                finish();
            }
        } catch (Exception e) {
            Toast.makeText(Configuration.this,getString(R.string.networkError), Toast.LENGTH_SHORT).show();
        }
    }
这似乎工作正常,但是登录后我返回到我的应用程序时,应该执行下一个代码,总是以Toast异常结束。
public void onResume() {    
        super.onResume();

        Uri uri = getIntent().getData();

        if (uri != null) {    
            oauthVerifier = uri.getQueryParameter(\"oauth_verifier\");

            try {    
                Twitter tt = new TwitterFactory().getInstance(); // Do I need this new twitter instance?
                tt.setOAuthConsumer(consumerKey, consumerSecret);
                AccessToken at = tt.getOAuthAccessToken(rToken, oauthVerifier); // Gives the error

                       // Do tweet here ...

                } catch (Exception e) {
                    Toast.makeText(Configuration.this, \"Network Host not responding\",Toast.LENGTH_SHORT).show();
                }
            }
    }
那里有任何好的鹰眼可以告诉我我做错了什么吗?这是引发异常的行
AccessToken at = tt.getOAuthAccessToken(rToken, oauthVerifier);
提前致谢! 编辑 堆栈跟踪:(在某处读取,这只是隐藏401错误)
07-24 12:49:31.931: WARN/System.err(18441): Received authentication challenge is nullRelevant discussions can be on the Internet at:
07-24 12:49:31.931: WARN/System.err(18441):     http://www.google.co.jp/search?q=9ddbeb3a or
07-24 12:49:31.931: WARN/System.err(18441):     http://www.google.co.jp/search?q=5c9c15a6
07-24 12:49:31.931: WARN/System.err(18441): TwitterException{exceptionCode=[9ddbeb3a-5c9c15a6 c8a7b39b-36e69ae1], statusCode=-1, retryAfter=-1, rateLimitStatus=null, featureSpecificRateLimitStatus=null, version=2.2.3}
07-24 12:49:31.931: WARN/System.err(18441):     at twitter4j.internal.http.HttpClientImpl.request(HttpClientImpl.java:204)
07-24 12:49:31.931: WARN/System.err(18441):     at twitter4j.internal.http.HttpClientWrapper.request(HttpClientWrapper.java:65)
07-24 12:49:31.931: WARN/System.err(18441):     at twitter4j.internal.http.HttpClientWrapper.post(HttpClientWrapper.java:102)
07-24 12:49:31.931: WARN/System.err(18441):     at twitter4j.auth.OAuthAuthorization.getOAuthAccessToken(OAuthAuthorization.java:142)
07-24 12:49:31.931: WARN/System.err(18441):     at twitter4j.auth.OAuthAuthorization.getOAuthAccessToken(OAuthAuthorization.java:160)
07-24 12:49:31.931: WARN/System.err(18441):     at twitter4j.TwitterBaseImpl.getOAuthAccessToken(TwitterBaseImpl.java:349)
07-24 12:49:31.931: WARN/System.err(18441):     at com.my.app.TwitterTweetActivity.onResume(TwitterTweetActivity.java:76)
07-24 12:49:31.931: WARN/System.err(18441):     at com.my.app.TwitterTweetActivity.onResume(TwitterTweetActivity.java:64)
07-24 12:49:31.931: WARN/System.err(18441):     at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1149)
07-24 12:49:31.931: WARN/System.err(18441):     at android.app.Activity.performResume(Activity.java:3833)
07-24 12:49:31.931: WARN/System.err(18441):     at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2215)
07-24 12:49:31.941: WARN/System.err(18441):     at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2240)
07-24 12:49:31.941: WARN/System.err(18441):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1773)
07-24 12:49:31.941: WARN/System.err(18441):     at android.app.ActivityThread.access$1500(ActivityThread.java:123)
07-24 12:49:31.941: WARN/System.err(18441):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:936)
07-24 12:49:31.941: WARN/System.err(18441):     at android.os.Handler.dispatchMessage(Handler.java:99)
07-24 12:49:31.941: WARN/System.err(18441):     at android.os.Looper.loop(Looper.java:123)
07-24 12:49:31.941: WARN/System.err(18441):     at android.app.ActivityThread.main(ActivityThread.java:3812)
07-24 12:49:31.941: WARN/System.err(18441):     at java.lang.reflect.Method.invokeNative(Native Method)
07-24 12:49:31.941: WARN/System.err(18441):     at java.lang.reflect.Method.invoke(Method.java:507)
07-24 12:49:31.941: WARN/System.err(18441):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
07-24 12:49:31.941: WARN/System.err(18441):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
07-24 12:49:31.941: WARN/System.err(18441):     at dalvik.system.NativeStart.main(Native Method)
07-24 12:49:31.941: WARN/System.err(18441): Caused by: java.io.IOException: Received authentication challenge is null
07-24 12:49:31.941: WARN/System.err(18441):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.processAuthHeader(HttpURLConnectionImpl.java:1153)
07-24 12:49:31.941: WARN/System.err(18441):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.processResponseHeaders(HttpURLConnectionImpl.java:1095)
07-24 12:49:31.951: WARN/System.err(18441):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.retrieveResponse(HttpURLConnectionImpl.java:1048)
07-24 12:49:31.951: WARN/System.err(18441):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:726)
07-24 12:49:31.951: WARN/System.err(18441):     at twitter4j.internal.http.HttpResponseImpl.<init>(HttpResponseImpl.java:35)
07-24 12:49:31.951: WARN/System.err(18441):     at twitter4j.internal.http.HttpClientImpl.request(HttpClientImpl.java:168)
07-24 12:49:31.951: WARN/System.err(18441):     ... 22 more
该方法的API:getOAuthREquestToken     
已邀请:
我自己解决了,只花了4个小时!! 我不确定原因100%,但我知道此修复程序有效。 固定: 在此活动的清单中,您需要使其成为一个实例:
 <activity
        android:name=\".TwitterTweetActivity\"
        android:launchMode=\"singleInstance\">
        <intent-filter>
            <action android:name=\"android.intent.action.VIEW\" />
            <category android:name=\"android.intent.category.DEFAULT\" />
            <category android:name=\"android.intent.category.BROWSABLE\" />
            <data android:scheme=\"your-unique-schema-01-android\" />
        </intent-filter>
    </activity>
现在,当您的活动恢复时,您需要使用browser5ѭ从浏览器返回它,如下所示:
 @Override
protected void onResume() {
    super.onResume();
    dealWithTwitterResponse(getIntent());
}
替换为:
@Override
protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);
    dealWithTwitterResponse(intent);
}
它应该工作! 推理(如果我错了,请纠正我): 所以问题是您的
rToken
对象与创建时的对象不同... 当您创建Twitter实例并获取
rToken
对象时,这就是您的活动。然后,活动进入后台(onPause),同时浏览器启动供用户登录。 重新创建活动时,rToken对象不同,因此,这就是why10ѭ方法引发错误的原因。 额外信用: 我刚刚编写了一个与之匹配的教程:如何从Users Acc发送Android Tweet     
原因是在身份验证返回后,您创建了活动的另一个实例,并在其onResume方法中使用了rToken,该方法为null。     

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