我正在使用facebook sdk通过我的应用登录。我所遵循的代码见
<https://developers.facebook.com/docs/android/login-with-facebook/>
但是当我点击按钮“使用facebook登录”时，按钮不会改变。该按钮应更改为“退出”。我正在跟踪log cat
02-02 12:43:49.349: D/dalvikvm(26836): GC_CONCURRENT freed 3788K, 32% free 10586K/15363K, paused 17ms+9ms, total 142ms
02-02 12:43:49.349: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.359: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.359: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.369: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.369: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.399: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.399: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.399: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.409: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.419: D/AbsListView(26836): [unregisterDoubleTapMotionListener]
02-02 12:43:49.439: I/MotionRecognitionManager(26836): .unregisterListener : / listener count = 0->0,
02-02 12:43:49.439: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.459: W/CursorWrapperInner(26836): Cursor finalized without prior close()
02-02 12:43:49.489: E/SpannableStringBuilder(26836): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
02-02 12:43:49.489: E/SpannableStringBuilder(26836): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
02-02 12:43:55.569: I/MainFragment(26836): Logged out...
02-02 12:43:55.619: I/MainFragment(26836): Logged out...
Log cat未显示“登录”已执行。
答案 0 :(得分：0)
我建议您使用easyfacebookandroidsdk.jar库，请参阅此step by step procedure。
顾名思义，它比facebook sdk容易。 通过制作一个新项目来试试这个。