我正在尝试在Android应用中获得我的阅读和发布权限，它在网络对话框中第一次完美运行。下次成功授权后，表示您已经授权对话两次。
以下是创建会话对象的代码。
Session session = Session.getActiveSession();
if(session == null){
session = new Session.Builder(HomeActivity.this).setApplicationId(MyTouchTunesApplication.getSettings().getFacebookAppId()).build();
Session.setActiveSession(session);
}else{
Util.clearFacebookToken();
}
if(!session.isOpened() && !session.isClosed()){
ArrayList<String> permissions = new ArrayList<String>();
permissions.add("email");
session.openForRead(new Session.OpenRequest(HomeActivity.this).setCallback(statusCallback).setPermissions(permissions));
}else{
Session.setApplicationId(MyTouchTunesApplication.getSettings().getFacebookAppId());
Session.openActiveSession(HomeActivity.this, true, statusCallback);
}
我的回调方法
public void call(Session session, SessionState state, Exception exception) {
Log.d("session state", state.toString());
if(exception != null){
if(!exception.getMessage().contains("user")){
showError(exception.getMessage());
return;
}
}
if(session.isOpened() && state == SessionState.OPENED && !session.getPermissions().contains("publish_stream")){
final String[] PERMISSION_ARRAY_PUBLISH = {"publish_stream"};
final List<String> permissionList = Arrays.asList(PERMISSION_ARRAY_PUBLISH);
session.requestNewPublishPermissions(new NewPermissionsRequest(HomeActivity.this,permissionList ));
return;
}
if(session !=null && session.isOpened() && state == SessionState.OPENED_TOKEN_UPDATED){
mLoginCommand = new LoginCommand(HomeActivity.this, fbloginHandler, null, null, session.getAccessToken(), String.valueOf(session.getExpirationDate().getTime()));
mLoginCommand.execute();
}
}
当用户在授权应用程序后进行日志记录时，我没有获得所有权限，它只返回电子邮件权限，这就是我的状态在Statuscallback中出现故障的原因。我必须逐个收到电子邮件并发布，当用户发布status.i时，我不能对此实现表示怀疑，希望能有所帮助
感谢。
答案 0 :(得分：2)
我已经实现了这样的工作。
private void doSocialNetworkinWithFacebook()
{
// check for session
Session session=Session.getActiveSession();
if (session != null && session.isOpened())
{
// user is already login show
try
{
Session.OpenRequest request = new Session.OpenRequest(this);
request.setPermissions(Arrays.asList("email", "publish_actions"));
}
catch (Exception e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
Request.executeMeRequestAsync(session, new Request.GraphUserCallback()
{
// callback after Graph API response with user object
@Override
public void onCompleted(GraphUser user, Response response)
{
if (user != null)
{
Toast.makeText(activity, "Welcome "+user.getName(), Toast.LENGTH_SHORT).show();
// publishFeedDialog(session);
try
{
strFirstName = user.getFirstName().toString();
strLocation = user.getLocation().getProperty("name").toString();
strEmail = user.asMap().get("email").toString();
}
catch (Exception e)
{
// TODO Auto-generated catch block
e.printStackTrace();
strEmail="";
}
runOnUiThread(new Runnable()
{
public void run()
{
setUserInfoFromFacebook(strFirstName, strLocation, strEmail);
}
});
}
}
});
}
else
{
// user is not log in
//show login screen
// start Facebook Login
try
{
Session.OpenRequest request = new Session.OpenRequest(this);
request.setPermissions(Arrays.asList("email", "publish_actions"));
}
catch (Exception e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
Session.openActiveSession(activity, true, new Session.StatusCallback()
{
// callback when session changes state
@Override
public void call(final Session session, SessionState state, Exception exception)
{
//session.openForRead(new Session.OpenRequest(this).setPermissions(Arrays.asList("email")));
Log.d(TAG, "Session :"+session.toString());
Log.d(TAG, "Session is opened :"+session.isOpened());
if (session.isOpened())
{
// make request to the /me API
Request.executeMeRequestAsync(session, new Request.GraphUserCallback()
{
// callback after Graph API response with user object
@Override
public void onCompleted(GraphUser user, Response response)
{
if (user != null)
{
Toast.makeText(activity, "Welcome "+user.getName(), Toast.LENGTH_SHORT).show();
// publishFeedDialog(session);
try
{
strFirstName = user.getFirstName().toString();
strLocation = user.getLocation().getProperty("name").toString();
strEmail = user.asMap().get("email").toString();
}
catch (Exception e)
{
// TODO Auto-generated catch block
e.printStackTrace();
strEmail="";
}
runOnUiThread(new Runnable()
{
public void run()
{
setUserInfoFromFacebook(strFirstName, strLocation, strEmail);
}
});
}
}
});
}
else if(session.isClosed())
{
Toast.makeText(activity, "Unable to connect facebook, please try later..",Toast.LENGTH_SHORT).show();
}
}
});
}
}
答案 1 :(得分：1)
使用以下内容替换创建会话代码中的第二个if-else条件：
if (!session.isOpened() && !session.isClosed()) {
Session.OpenRequest request = new Session.OpenRequest(this);
request.setPermissions(Arrays.asList("email", "publish_actions"));
request.setCallback(statusCallback);
session.openForPublish(request);
}else{
Session.setApplicationId(MyTouchTunesApplication.getSettings().getFacebookAppId());
Session.openActiveSession(HomeActivity.this, true, statusCallback);
}
现在应该可以了。