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POStatusCallback not called after requestNewReadPermissions then requestNewPublishPermissions
 

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    <p>I am developing an Android App that integrates with Facebook. I would like to:</p> <ol> <li>Let the user login with Facebook</li> <li>Get the user's email address on Facebook (could be a <a href="https://developers.facebook.com/blog/post/355/">proxied email address</a>, which is fine)</li> <li>Post to the user's wall/timeline on his/her behalf</li> </ol> <p>Technically, that would be to:</p> <ol> <li>Authenticate the user</li> <li>Request the <a href="http://developers.facebook.com/docs/reference/login/email-permissions/"><code>email</code> permission</a></li> <li>Request the <a href="http://developers.facebook.com/docs/reference/login/extended-permissions/"><code>publish_stream</code> permission</a></li> </ol> <h3>1. Authenticate the user</h3> <p>I called <a href="http://developers.facebook.com/docs/reference/android/3.0/Session#openActiveSession%28Activity,%20boolean,%20StatusCallback%29"><code>Session.openActiveSession()</code></a> with a <a href="http://developers.facebook.com/docs/reference/android/3.0/Session.StatusCallback"><code>Session.StatusCallback</code></a> (I already checked that there is no active opened session beforehand):</p> <pre><code>final Session.StatusCallback sessionStatusCallback = new Session.StatusCallback() { public void call(final Session session, SessionState state, Exception exception) { // If there is an exception... if(exception != null) { // Handle fail case here. return; } // If session is just opened... if(state == SessionState.OPENED) { // Handle success case here. return; } }; }; // Start Facebook Login. Session.openActiveSession(activity, true, sessionStatusCallback); </code></pre> <p>My callback is called after successful login. So far so good.</p> <h3>2. Request the <a href="http://developers.facebook.com/docs/reference/login/email-permissions/"><code>email</code> permission</a></h3> <p>This is my status callback:</p> <pre><code>new Session.StatusCallback() { public void call(final Session session, SessionState state, Exception exception) { // If there is an exception... if(exception != null) { // Handle fail case here. return; } // If token is just updated... if(state == SessionState.OPENED_TOKEN_UPDATED) { // Handle success case here. return; } }; }; </code></pre> <p>I request the permission with <a href="http://developers.facebook.com/docs/reference/android/3.0/Session#requestNewReadPermissions%28NewPermissionsRequest%29"><code>Session.requestNewReadPermissions()</code></a>:</p> <pre><code>final Session session = Session.getActiveSession(); final static String[] PERMISSION_ARRAY_READ = {"email"}; final List&lt;String&gt; permissionList = Arrays.asList(PERMISSION_ARRAY_READ); // If all required permissions are available... if(session.getPermissions().containsAll(permissionList)) { // Handle success case here. return; } // Request permissions. session.requestNewReadPermissions(new Session.NewPermissionsRequest(activity, permissionList)); </code></pre> <p>My callback is called after permission is granted. So far so good.</p> <h3>3. Request the <a href="http://developers.facebook.com/docs/reference/login/extended-permissions/"><code>publish_stream</code> permission</a></h3> <p>This is my status callback:</p> <pre><code>new Session.StatusCallback() { public void call(final Session session, SessionState state, Exception exception) { // If there is an exception... if(exception != null) { // Handle fail case here. return; } // If token is just updated... if(state == SessionState.OPENED_TOKEN_UPDATED) { // Handle success case here. return; } }; }; </code></pre> <p>I request the permission with <a href="http://developers.facebook.com/docs/reference/android/3.0/Session#requestNewPublishPermissions%28NewPermissionsRequest%29"><code>Session.requestNewPublishPermissions()</code></a>:</p> <pre><code>final Session session = Session.getActiveSession(); final static String[] PERMISSION_ARRAY_PUBLISH = {"publish_stream"}; final List&lt;String&gt; permissionList = Arrays.asList(PERMISSION_ARRAY_PUBLISH); // If all required permissions are available... if(session.getPermissions().containsAll(permissionList)) { // Handle success case here. return; } // Request permissions. session.requestNewPublishPermissions(new Session.NewPermissionsRequest(activity, permissionList)); </code></pre> <p>This time, my callback is <strong>not</strong> called after permission is granted.</p> <h3>Investigation</h3> <p>Upon further investigation, I found that my callback is triggered by <a href="https://github.com/facebook/facebook-android-sdk/blob/sdk-version-3.0/facebook/src/com/facebook/Session.java#L1160-1164"><code>com.facebook.Session#postStateChange(SessionState, SessionState, Exception)</code></a>:</p> <pre><code>void postStateChange(final SessionState oldState, final SessionState newState, final Exception exception) { if (oldState == newState &amp;&amp; exception == null) { return; } /* ... */ } </code></pre> <p>Since <code>oldState</code> and <code>newState</code> are equal (both being <a href="http://developers.facebook.com/docs/reference/android/3.0/SessionState#OPENED_TOKEN_UPDATED"><code>SessionState.OPENED_TOKEN_UPDATED</code></a>, my callback is not called.</p> <h3>Question</h3> <p>How can I receive any notification after permission is granted for the 2nd time? Am I supposed to <a href="http://developers.facebook.com/docs/reference/android/3.0/Session#close%28%29"><code>close()</code></a> the session and <a href="http://developers.facebook.com/docs/reference/android/3.0/Session#openActiveSessionFromCache%28Context%29">re-open it from cache</a>?</p> <h3>Additional info</h3> <p>My Facebook Android SDK 3.0 is download from <a href="https://developers.facebook.com/resources/facebook-android-sdk-3.0.zip">here</a>, which is stated in Facebook's <a href="http://developers.facebook.com/docs/getting-started/facebook-sdk-for-android/3.0/">Getting Started with the Facebook SDK for Android</a>.</p>
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